CN203263466U - Anastomosis nail of surgery department anastomat and combined forming groove thereof - Google Patents

Anastomosis nail of surgery department anastomat and combined forming groove thereof Download PDF

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Publication number
CN203263466U
CN203263466U CN 201320302514 CN201320302514U CN203263466U CN 203263466 U CN203263466 U CN 203263466U CN 201320302514 CN201320302514 CN 201320302514 CN 201320302514 U CN201320302514 U CN 201320302514U CN 203263466 U CN203263466 U CN 203263466U
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China
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nail
grooving
anastomosis staple
ejector pin
pin piece
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Chinese (zh)
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张祖仁
张奕奕
徐维华
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SHANGHAI MEDICAL INSTRUMENTS CO Ltd
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SHANGHAI MEDICAL INSTRUMENTS CO Ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/064—Surgical staples, i.e. penetrating the tissue
    • A61B17/0644—Surgical staples, i.e. penetrating the tissue penetrating the tissue, deformable to closed position
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/0682—Surgical staplers, e.g. containing multiple staples or clamps for applying U-shaped staples or clamps, e.g. without a forming anvil

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

The utility mode discloses an anastomosis nail of a surgery department anastomat and a combined forming groove of the anastomosis nail of the surgery department anastomat. After a nail anvil forming groove and a nail pushing block forming groove are close to each other, the combined forming groove is formed. When tissue with different thicknesses are anastomosed, the distance between the nail anvil forming groove and the nail pushing block forming groove of the combined forming groove decreases continually, therefore, the double-spiral anastomosis nail is formed after two nail legs of the anastomosis nail are respectively bent to be spiral along the combined forming groove continually decreased in distance, and finally the forming height of the anastomosis nail can meet the clamping thickness requirements of the tissue with different thicknesses. Thus, a nail storehouse provided with the anastomosis nails different in nail leg lengths does not need to be replaced to use for the different-clamping-thickness tissue to be anastomosed.

Description

The anastomosis staple of surgical stapling and combination type grooving thereof
Technical field
This utility model relates to anastomosis staple and the grooving thereof that uses in various surgical staplings, specially refer to the anastomosis staple and the grooving thereof that use in straight shape anastomat or straight shape Endo-GIA, also specially refer to the anastomosis staple and the grooving thereof that use in arc-shaped cutting anastomat, also specially refer to the anastomosis staple and the grooving thereof that use in the circular anastomosis device, also specially refer to the anastomosis staple and the grooving thereof that use in the mirror surgical incision anastomat of chamber, relate more specifically to the anastomosis staple and the grooving thereof that use in various Motorized surgical anastomats.
Background technology
Various surgical staplings are used for replacing surgical operation to adopt the free-hand identical operation of needlework, be widely used in the operations such as the end end of human body alimentary canal organ, respiratory tract organ and apparatus urogenitalis official rank Organ and tissue, distolateral and side to side anastomosis, form operation, the operation of close incisions and the operation of clamping or cutting of passage, be specially adapted to appear the anastomosis operation with the Organ and tissue of operating difficulties, can reduce operating time, improve the operation quality.
straight shape Endo-GIA as United States Patent (USP) publicity 20050222616, the arc-shaped cutting anastomat of United States Patent (USP) publicity 20050247753, the chamber mirror Endo-GIA of United States Patent (USP) publicity 20100200639, the circular anastomosis device of United States Patent (USP) publicity 20110101065, the straight shape anastomat of United States Patent (USP) publicity 20130015230, the various electronic surgical stapling of United States Patent (USP) publicity 20130018361 and other are various manual, or electronic, or surge, or introduce in pneumatic surgical stapling: surgical stapling is by nail bin groupware, nail-anvil assembly and operating mechanism form.Nail bin is arranged in nail bin groupware and be arranged on nail bin interior anastomosis staple and ejector pin piece, and can be according to using needs that cutter are installed.On the surface of the nail anvil in nail-anvil assembly, the nail anvil grooving that forms after indent is arranged.The position of the anastomosis staple in the lip-deep nail anvil grooving of nail anvil and nail bin is mutually corresponding.The content of above-mentioned United States Patent (USP) publicity is incorporated this description by reference into.
The anastomosis staple of above-mentioned various surgical staplings and the effect of nail anvil grooving in the use procedure of surgical stapling are: when operating mechanism will be after between nail anvil that the clamp tissue of coincideing is being drawn close mutually and nail bin, operating mechanism is released anastomosis staple by promoting the ejector pin piece in nail bin, the nail tip of anastomosis staple is penetrated clamped after the tissue that coincide, anastomosis staple flexural deformation on the nail anvil grooving on nail anvil, the anastomosis staple of U-shaped is bent to B shape, reach the operation purpose that tissue is coincide.
As what introduce in United States Patent (USP) publicity 20070194082 and 20080061109: as shown in the accompanying drawing 1 of this utility model application, side 3 and bottom surface 4 that the lip-deep nail anvil grooving 2 of the nail anvil 1 of known various surgical staplings forms after by indent on the surface of nail anvil 1 form.The side 3 of nail anvil grooving 2 and the intersection of bottom surface 4 form two anastomosis staple guide lines 5 and 6 of nail anvil grooving 2.Nail anvil grooving 2 forms opening contour curve 7 on nail anvil 1 surface.As shown in the accompanying drawing 2 of this utility model application, anastomosis staple 8 in the nail bin of known various surgical staplings (not shown) takes the shape of the letter U, be comprised of a straight nail beam 9 and two straight nail lower limbs 10 and 11, there are respectively nail tip 12 and 13 in the end of wherein following closely lower limb 10 and 11.As the accompanying drawing 3 of this utility model application to as shown in accompanying drawing 5, when ejector pin piece 14 is released anastomosis staple 8 in nail bin (not shown), the nail tip 12 and 13 of the anastomosis staple 8 of U-shaped is pressed on the bottom surface 4 of nail anvil grooving 2 of nail anvil 1, make two of anastomosis staple 8 nail lower limbs 10 of U-shaped and the anastomosis staple 15 that the 11 anastomosis staple guide lines 5 and 6 along nail anvil grooving 2 bend to B shape, reach the operation purpose of will tissue coincideing.In order to reach the best surgical effect that tissue is coincide, need to be with nail tip 12 and 13 middle parts near nail beam 9 of B shape anastomosis staple 15, thereby the nail lower limb 10 that requires U-shaped anastomosis staple 8 is mutually suitable with the grip thickness of the tissue that coincide with 11 length, makes U-shaped anastomosis staple 8 bend to more complete B shape anastomosis staple 15 (as shown in the accompanying drawing 5 of this utility model application).The content of above-mentioned United States Patent (USP) publicity is incorporated this description by reference into.
The clamp tissue thickness range of surgical stapling in clinical use is generally 1mm-2.5mm.The nail leg length of this thickest tissue and the anastomosis staple of thin tissue of be used for coincideing differs the 2.5mm left and right.If the grip thickness of the nail lower limb 17 of anastomosis staple 16 coincide tissue relative to 18 length is shorter, after anastomosis staple 16 bending formings, nail tip 19 and 20 is obviously not as good as the middle part (as shown in the accompanying drawing 6 of this utility model application) of following closely beam 21, being coincide not organize is enough clamped by anastomosis staple 16, makes sealing and the haemostatic effect of the tissue that coincide relatively poor.If the grip thickness of the nail lower limb 23 of anastomosis staple 22 coincide tissue relative to 24 length is longer, after anastomosis staple 22 bending formings, nail tip 25 and 26 is crossed the middle part (as shown in the accompanying drawing 7 of this utility model application) of nail beam 27, the nail tip 25 and 26 of anastomosis staple 22 passes by the tissue that coincide, and can scratch surrounding tissue.In order to reach the best surgical effect that tissue is coincide, known various surgical stapling is for the different U-shaped anastomosis staples of following closely leg lengths of organization need use that coincide of waiting of different grip thickness, therefore need first to determine to wait the thickness of tissue that coincide in operation, then change the nail bin of the U-shaped anastomosis staple that different nail leg lengths are housed.Because the specification of the nail bin of the U-shaped anastomosis staple that different nail leg lengths are housed is limited, generally that clamp tissue thickness every 0.5mm is divided into a specification, in addition, the suitable grip thickness of organizing of waiting to coincide of various soft or hard thickness is difficult to prediction, therefore the anastomosis staple of the surgical stapling of this style and grooving thereof are difficult to satisfy the requirements of operation of tissue of coincideing of waiting of various soft or hard thickness of coincideing, thereby have reduced surgical effect, increased operating difficulty and operation cost.particularly for various Motorized surgical anastomats, owing to needing first to clamp the tissue of waiting to coincide to determine to treat the thickness of identical tissue by examination in operation, change again the nail bin of the anastomosis staple that different nail leg lengths are housed, cause frequent starting and the braking of Motorized surgical anastomat, the starting current of motor and starting power are the rated current of motor and several times of rated power, thereby need the jumbo battery of configuration and jumbo motor, as introducing in United States Patent (USP) publicity 20130110088, the sensor and the chip that even need the configuration detection grip thickness, make the volume of Motorized surgical anastomat larger, weight is heavier, cost is higher.Therefore anastomosis staple and the grooving thereof of surgical stapling also need improve.
As shown in the accompanying drawing 5 of this utility model application, U-shaped anastomosis staple 8 bends to two nail rings 28 and 29 of the rear formation of anastomosis staple 15 of B shape, make the clamp force distribution of the identical tissue of quilt between nail lower limb and nail beam in two nail rings 28 and 29, namely be distributed in respectively on the length less than half nail beam 9.If nail ring 28 and 29 is less, be conducive to by the sealing of anastomosis and hemostasis, but slower by the organization healing of anastomosis; If nail ring 28 and 29 is larger, be conducive to by the organization healing of anastomosis, but relatively poor by the sealing of anastomosis and haemostatic effect.In general, the identical edge that is organized coincideing requires to be conducive to by the sealing of anastomosis and hemostasis, requires to be conducive to by the organization healing of anastomosis in the identical edge to the tissue that coincide.In order to reach such surgical effect, as introducing in United States Patent (USP) publicity 20070194082, need that the U-shaped anastomosis staple of different nail lower limb height is housed in same nail bin or on same nail anvil the distribution different depth grooving or nail anvil and nail bin are made stairstepping, the anastomosis staple of the surgical stapling of this style and grooving thereof have increased the difficulty of processing and the installation of apparatus, thereby have increased the cost of apparatus.Therefore anastomosis staple and the grooving thereof of surgical stapling also need improve.
Obviously can be found out by above-mentioned, a large amount of not in specie surgical staplings have been designed now, and the anastomosis staple of new surgical stapling and the development work of grooving thereof are still continuing, so that the surgical stapling that used in a large number every year in the world is improved further, both reached the reliable operation purpose of coincideing of tissue, reached again easy to use, cost-effective purpose.
The utility model content
The purpose of this utility model is to propose a kind of anastomosis staple and combination type grooving thereof of surgical stapling, when realizing that the ejector pin piece is released anastomosis staple in the nail bin, nail anvil grooving and ejector pin piece grooving rear formation combination type grooving close to each other, thus can determine according to the thickest degree of the identical tissue of surgical stapling needs the nail leg length of anastomosis staple.When the organizing of the thickest degree of coincideing, two of anastomosis staple nail lower limbs are respectively along the bending of nail anvil grooving until the nail tip of two nail lower limbs of anastomosis staple during near the nail beam of anastomosis staple, and the forming height of anastomosis staple can satisfy the requirement of grip thickness of the tissue of identical the thickest degree.When the organizing of the thinner thickness that coincide, the nail tip of two nail lower limbs of anastomosis staple is near after the nail beam of anastomosis staple, continued to release in nail bin by the ejector pin piece, the nail anvil grooving of combination type grooving and the distance between ejector pin piece grooving constantly reduce simultaneously, the combination type grooving that makes two of anastomosis staple nail lower limbs constantly reduce along spacing respectively forms the Double-spiral anastomosis staple after bending to spiral type, until the forming height of anastomosis staple can satisfy the requirement of grip thickness of the tissue of identical various thinner thicknesses.Therefore, identical the organizing for the treatment of for different grip thickness do not need to change the nail bins that use the anastomosis staple that different nail leg lengths are housed, the nail bin of anastomosis staple of identical nail leg length is housed applicable to the tissue that coincide of waiting of the different grip thickness of coincideing, both reached the reliable operation purpose of coincideing of tissue, reach again purpose easy to use, cost saving, be specially adapted to various Motorized surgical anastomats.
Another purpose of the present utility model is to propose a kind of anastomosis staple and combination type grooving thereof of surgical stapling, be organized in each wait coincideing by the requirements of operation of anastomotic position according to various: the larger technical schemes of clamping force of the Double-spiral anastomosis staple that had formed after both can having selected two nail lower limbs of anastomosis staple to bend to spiral type respectively, with the surgical effect of the sealing and the hemostasis that reach the tissue that is conducive to be coincide; Also can select two of anastomosis staple nail lower limbs to bend to respectively the less technical scheme of clamping force of the Double-spiral anastomosis staple that forms after spiral type, with the surgical effect of the organization healing that reaches the tissue that is conducive to be coincide.
The purpose of this utility model is achieved through the following technical solutions:
The anastomosis staple of surgical stapling and combination type grooving thereof are comprised of the nail anvil grooving that forms after indent on the nail anvil surface and the anastomosis staple and the ejector pin piece that are arranged in nail bin.
Anastomosis staple is comprised of a nail beam and two nail lower limbs, and there is respectively nail tip the end of two nail lower limbs.The middle part of the nail beam of anastomosis staple can be protruded to two directions of following closely the nail tip of lower limbs, makes a nail beam and two nail lower limbs of anastomosis staple be W shape.The nail beam of anastomosis staple also can be straight, makes a nail beam and two nail lower limbs of anastomosis staple take the shape of the letter U.The cross section of the nail silk of anastomosis staple can be circle, polygon or other geometries.
The position of the anastomosis staple in the lip-deep nail anvil grooving of nail anvil and nail bin is mutually corresponding.
The anastomosis staple of surgical stapling of the present utility model and combination type grooving thereof have the longitudinal fluting that anastomosis staple is installed on the end face of ejector pin piece.There is respectively ejector pin piece grooving the both sides that the longitudinal fluting of anastomosis staple is installed on the end face of ejector pin piece.
After nail anvil and nail bin are drawn close mutually, when the ejector pin piece is released anastomosis staple in the nail bin, nail anvil grooving and ejector pin piece grooving rear formation combination type grooving close to each other.
After the ejector pin piece was pressed on respectively the nail tip of two of anastomosis staple nail lower limbs on the nail anvil grooving, two nail lower limbs of anastomosis staple were crooked along the nail anvil grooving respectively, made the nail tip of two nail lower limbs of anastomosis staple near the nail beams of anastomosis staple, with the anastomosis staple bending forming.If the nail tip of two nail lower limbs is continued to release in nail bin by the ejector pin piece near the anastomosis staple of nail beam, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, make two of anastomosis staple to follow closely the combination type grooving continuation bending that lower limbs constantly reduce along spacing respectively, two are followed closely form the Double-spiral anastomosis staple after lower limbs bend to respectively spiral type.
The nail anvil grooving of the anastomosis staple of surgical stapling of the present utility model and combination type grooving thereof is comprised of lip-deep two grooves of nail anvil.Two groove arrangement of nail anvil grooving are on the longitudinal axis of nail anvil grooving.Two grooves have respectively nail mouth at the middle part of nail anvil grooving.The nail mouth of two grooves of nail anvil grooving can be connected mutually, also can be separated from each other.The longitudinal length of each groove of nail anvil grooving can be greater than 1/2nd of the longitudinal length of nail anvil grooving, also can be less than 1/2nd of the longitudinal length of nail anvil grooving, can also equal the nail anvil grooving longitudinal length 1/2nd.When identical grip thickness, the longitudinal length of the groove of nail anvil grooving is longer, and the radius of curvature that anastomosis staple is shaped is larger, thereby the Forming Resistance of anastomosis staple is less, and namely the identical operating physical force of surgical stapling is less.
The nail mouth of two grooves of nail anvil grooving can lay respectively at the both sides of the longitudinal axis of nail anvil grooving.After the ejector pin piece is pressed on respectively the nail tip of two of anastomosis staple nail lower limbs on the nail anvil grooving, two nail lower limbs of anastomosis staple are crooked along the nail anvil grooving respectively, the nail tip that makes two of anastomosis staple nail lower limbs near the both sides of the nail beam of anastomosis staple, forms the larger Double-spiral anastomosis staple in spiral shell footpath after two nail lower limbs bend to respectively spiral type respectively.If the nail tip of two nail lower limbs is continued to release in nail bin by the ejector pin piece near the larger Double-spiral anastomosis staple in spiral shell footpath of nail beam both sides, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, make two nail lower limbs of anastomosis staple continue bending along the combination type grooving that spacing constantly reduces respectively, form the less Double-spiral anastomosis staple in spiral shell footpath.
The nail mouth of two grooves of nail anvil grooving also can all be positioned on the longitudinal axis of nail anvil grooving.After the ejector pin piece is pressed on respectively the nail tip of two of anastomosis staple nail lower limbs on the nail anvil grooving, two nail lower limbs of anastomosis staple are crooked along the nail anvil grooving respectively, near the middle part of the nail beam of described anastomosis staple, two nail lower limbs form B shape anastomosis staple after bending to respectively annular to the nail tip that makes two of anastomosis staple nail lower limbs respectively.If the nail tip of two nail lower limbs is continued to release in nail bin by the ejector pin piece near the B shape anastomosis staple at nail beam middle part, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, make two of anastomosis staple to follow closely the combination type grooving continuation bending that lower limbs constantly reduce along spacing respectively, two are followed closely form the Double-spiral anastomosis staple after lower limbs bend to respectively spiral type.
Ejector pin piece grooving on the end face that is positioned at the ejector pin piece of the anastomosis staple of surgical stapling of the present utility model and combination type grooving thereof is along the shape that vertically can be middle part indent, two ends protrusion of ejector pin piece grooving; Also can be the shape that protrude on one side, another side has a down dip gradually; Can also be the shape that protrude at middle part and two ends; Can also be the shape that protrude at the middle part, both sides have a down dip gradually.
The anastomosis staple of surgical stapling of the present utility model and combination type grooving thereof can be selected above-mentioned same technical scheme at the ejector pin piece grooving of the longitudinal fluting both sides of ejector pin piece.For example: the ejector pin piece grooving of longitudinal fluting both sides that can be positioned at the ejector pin piece vertically can be along ejector pin piece grooving the shape that the middle part is recessed, protrude at two ends; Also can be positioned at the ejector pin piece grooving of longitudinal fluting both sides of ejector pin piece along the shape that vertically being on one side of ejector pin piece grooving protrudes, another side has a down dip gradually, the protrusion position of ejector pin piece grooving of longitudinal fluting one side that wherein is positioned at the ejector pin piece is corresponding across the longitudinal fluting of ejector pin piece with the position that has a down dip gradually of the ejector pin piece grooving of the longitudinal fluting opposite side that is positioned at the ejector pin piece; Can also be positioned at the ejector pin piece grooving of ejector pin piece both sides along the shape that vertically is middle part and two ends protrusion of ejector pin piece grooving; The ejector pin piece grooving that can also be positioned at ejector pin piece both sides vertically is along ejector pin piece grooving the shape that protrude at the middle part, both sides have a down dip gradually.
Ejector pin piece grooving in the anastomosis staple of surgical stapling of the present utility model and combination type grooving thereof can be positioned at also that the ejector pin piece grooving of longitudinal fluting one side of ejector pin piece is selected above-mentioned wherein a kind of technical scheme, the ejector pin piece grooving that is positioned at the longitudinal fluting opposite side of ejector pin piece is selected above-mentioned wherein another kind of technical scheme.For example: the anastomosis staple of surgical stapling of the present utility model and combination type grooving thereof can be positioned at the ejector pin piece longitudinal fluting one side ejector pin piece grooving along ejector pin piece grooving vertically be the shape that the middle part is recessed, protrude at two ends, be positioned at the ejector pin piece grooving of longitudinal fluting opposite side of ejector pin piece along vertically being on one side of ejector pin piece grooving protrudes, another side has a down dip gradually shape; Also can be positioned at the ejector pin piece longitudinal fluting one side ejector pin piece grooving along ejector pin piece grooving vertically be the shape that the middle part is recessed, protrude at two ends, be positioned at the ejector pin piece grooving of longitudinal fluting opposite side of ejector pin piece along the shape that vertically is middle part and two ends protrusion of ejector pin piece grooving; Can also be positioned at the ejector pin piece longitudinal fluting one side ejector pin piece grooving along ejector pin piece grooving vertically be the shape that the middle part is recessed, protrude at two ends, the ejector pin piece grooving of longitudinal fluting opposite side that is positioned at the ejector pin piece vertically is along ejector pin piece grooving the shape that protrude at the middle part, both sides have a down dip gradually; Can also be positioned at the ejector pin piece grooving of longitudinal fluting one side of ejector pin piece along the shape that vertically being on one side of ejector pin piece grooving protrudes, another side has a down dip gradually, be positioned at the ejector pin piece grooving of longitudinal fluting opposite side of ejector pin piece along the shape that vertically is middle part and two ends protrusion of ejector pin piece grooving; Can also be positioned at the ejector pin piece grooving of longitudinal fluting one side of ejector pin piece along the shape that vertically being on one side of ejector pin piece grooving protrudes, another side has a down dip gradually, the ejector pin piece grooving of longitudinal fluting opposite side that is positioned at the ejector pin piece vertically is along ejector pin piece grooving the shape that protrude at the middle part, both sides have a down dip gradually; Can also be positioned at the ejector pin piece longitudinal fluting one side ejector pin piece grooving along ejector pin piece grooving vertically be the shape that protrude at middle part and two ends, the ejector pin piece grooving of longitudinal fluting opposite side that is positioned at the ejector pin piece vertically is along ejector pin piece grooving the shape that middle part protrusion, both sides have a down dip gradually.
The ejector pin piece grooving of the longitudinal fluting both sides of the ejector pin piece of surgical stapling of the present utility model can be in the outside parallel with the longitudinal fluting that anastomosis staple is installed without sidewall.If the nail tip of two nail lower limbs is continued to release in nail bin by the ejector pin piece near the anastomosis staple of nail beam, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, make two of anastomosis staple nail lower limbs respectively under the constraint of the nail beam of anastomosis staple, the combination type grooving that constantly reduces along spacing continues bending, forms the larger Double-spiral anastomosis staple of pitch.
The ejector pin piece grooving of the longitudinal fluting both sides of the ejector pin piece of surgical stapling of the present utility model also can have sidewall in the outside parallel with the longitudinal fluting that anastomosis staple is installed.If the nail tip of two nail lower limbs is continued to release in nail bin by the ejector pin piece near the anastomosis staple of nail beam, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, make two of anastomosis staple nail lower limbs respectively under the constraint of the sidewall of the nail beam of anastomosis staple and ejector pin piece grooving, the combination type grooving that constantly reduces along spacing continues bending, forms the less Double-spiral anastomosis staple of pitch.
The ejector pin piece grooving of the longitudinal fluting both sides of the ejector pin piece of surgical stapling of the present utility model can also be in the outside parallel with the longitudinal fluting that anastomosis staple is installed, and a side has sidewall, opposite side without sidewall.If the nail tip of two nail lower limbs is continued to release in nail bin by the ejector pin piece near the anastomosis staple of nail beam, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, make one of anastomosis staple nail lower limb under the constraint of the sidewall of the nail beam of anastomosis staple and ejector pin piece grooving, another root nail lower limb is under the constraint of the nail beam of anastomosis staple, the combination type grooving that constantly reduces along spacing continues crooked, forms the Double-spiral anastomosis staple of the larger spiral staple lower limb of the less spiral staple lower limb of pitch and another root pitch.
According to the anastomosis staple of above-mentioned surgical stapling of the present utility model and the technical characterictic of combination type grooving thereof, can realize following various technical scheme, and can reach following various technique effect:
Following scheme one lays respectively at the both sides of the longitudinal axis of nail anvil grooving to the nail mouth of two grooves of the nail anvil grooving of scheme eight, and the longitudinal length of each groove of nail anvil grooving is greater than 1/2nd of the longitudinal length of nail anvil grooving.Following scheme nine to the nail mouth of two grooves of the nail anvil grooving of scheme 16 lays respectively on the longitudinal axis of nail anvil grooving.When identical grip thickness, scheme one is longer to the longitudinal length of the groove of the nail anvil grooving of scheme 16 than scheme nine to the longitudinal length of the groove of the nail anvil grooving of scheme eight, the radius of curvature that makes anastomosis staple be shaped is larger, and two nail lower limbs that are conducive to reduce the Forming Resistance of anastomosis staple and anastomosis staple bend to respectively the clamping forces after spiral type.
The anastomosis staple of following scheme one to scheme four and scheme nine to scheme 12 adopts W shape anastomosis staple.The anastomosis staple of following scheme five to scheme eight and scheme 13 to scheme 16 adopts the U-shaped anastomosis staple.Because protrude to the directions of the nail tip of two nail lower limbs at the middle part of the nail beam of W shape anastomosis staple, make anastomosis staple be shaped after the nail beam less with the gap between the nail lower limb, be conducive to improve two clamping forces of following closely after lower limbs bend to respectively spiral type of anastomosis staple.
Scheme one: a nail beam and two nail lower limbs of anastomosis staple are W shape.Ejector pin piece grooving vertically is along ejector pin piece grooving the shape that the middle part is recessed, protrude at two ends.There is sidewall in the ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed.If the nail tip of two nail lower limbs is continued to release in nail bin by the ejector pin piece near the larger Double-spiral anastomosis staple in spiral shell footpath of nail beam both sides, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, two nail lower limbs that make the larger Double-spiral anastomosis staple in spiral shell footpath are under the constraint of the sidewall of the nail beam of Double-spiral anastomosis staple and ejector pin piece grooving, the combination type grooving that constantly reduces along spacing respectively continues crooked, forms the less Double-spiral anastomosis staple in spiral shell footpath.
Vertically be due to ejector pin piece grooving along ejector pin piece grooving the shape that the middle part is recessed, protrude at two ends, make two of Double-spiral anastomosis staple nail lower limbs bending spiral spiral shell footpaths under the constraint of ejector pin piece grooving less, be conducive to improve two clamping forces of following closely after lower limbs bend to respectively spiral type of Double-spiral anastomosis staple, but the Forming Resistance of anastomosis staple is larger.
There is sidewall in the both sides outside parallel with the longitudinal fluting that anastomosis staple is installed due to ejector pin piece grooving, make two of anastomosis staple nail lower limbs bending spiral pitch under the constraint of the sidewall of the nail beam of Double-spiral anastomosis staple and ejector pin piece grooving less, two nail lower limbs that are conducive to improve the Double-spiral anastomosis staple bend to respectively the clamping forces after spiral type.
Scheme two: a nail beam and two nail lower limbs of anastomosis staple are W shape.Ejector pin piece grooving vertically is along ejector pin piece grooving the shape that the middle part is recessed, protrude at two ends.The ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed is without sidewall.If the nail tip of two nail lower limbs is continued to release in nail bin by the ejector pin piece near the larger Double-spiral anastomosis staple in spiral shell footpath of nail beam both sides, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, make two nail lower limbs of the larger Double-spiral anastomosis staple in spiral shell footpath under the constraint of the nail beam of Double-spiral anastomosis staple, the combination type grooving that constantly reduces along spacing respectively continues crooked, forms the less Double-spiral anastomosis staple in spiral shell footpath.
Compare with scheme one, due to the ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed without sidewall, make two nail lower limbs bending spiral pitch under the constraint of the nail beam of Double-spiral anastomosis staple of Double-spiral anastomosis staple larger, be conducive to reduce by two clamping forces of following closely after lower limbs bend to respectively spiral type of Double-spiral anastomosis staple.
Scheme three: a nail beam and two nail lower limbs of anastomosis staple are W shape.Ejector pin piece grooving is along the shape that vertically being on one side of ejector pin piece grooving protrudes, another side has a down dip gradually, and the protrusion position of ejector pin piece grooving of longitudinal fluting one side that wherein is positioned at the ejector pin piece is corresponding across the longitudinal fluting of ejector pin piece with the position that has a down dip gradually of the ejector pin piece grooving of the longitudinal fluting opposite side that is positioned at the ejector pin piece.There is sidewall in the ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed.If the nail tip of two nail lower limbs is continued to release in nail bin by the ejector pin piece near the larger Double-spiral anastomosis staple in spiral shell footpath of nail beam both sides, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, two nail lower limbs that make the larger Double-spiral anastomosis staple in spiral shell footpath are under the constraint of the sidewall of the nail beam of Double-spiral anastomosis staple and ejector pin piece grooving, the combination type grooving that constantly reduces along spacing respectively continues crooked, forms the less Double-spiral anastomosis staple in spiral shell footpath.
Compare with scheme one, due to ejector pin piece grooving along vertically being on one side of ejector pin piece grooving protrudes, another side has a down dip gradually shape, make two of Double-spiral anastomosis staple nail lower limbs bending spiral spiral shell footpaths under the guiding of the ejector pin piece grooving that has a down dip gradually larger, two nail lower limbs that are conducive to reduce the Double-spiral anastomosis staple bend to respectively clamping force after spiral type and the Forming Resistance of anastomosis staple.
Scheme four: a nail beam and two nail lower limbs of anastomosis staple are W shape.Ejector pin piece grooving is along the shape that vertically being on one side of ejector pin piece grooving protrudes, another side has a down dip gradually, and the protrusion position of ejector pin piece grooving of longitudinal fluting one side that wherein is positioned at the ejector pin piece is corresponding across the longitudinal fluting of ejector pin piece with the position that has a down dip gradually of the ejector pin piece grooving of the longitudinal fluting opposite side that is positioned at the ejector pin piece.The ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed is without sidewall.If the nail tip of two nail lower limbs is continued to release in nail bin by the ejector pin piece near the larger Double-spiral anastomosis staple in spiral shell footpath of nail beam both sides, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, make two nail lower limbs of the larger Double-spiral anastomosis staple in spiral shell footpath under the constraint of the nail beam of Double-spiral anastomosis staple, the combination type grooving that constantly reduces along spacing respectively continues crooked, forms the less Double-spiral anastomosis staple in spiral shell footpath.
Compare with scheme two, due to ejector pin piece grooving along vertically being on one side of ejector pin piece grooving protrudes, another side has a down dip gradually shape, make two of Double-spiral anastomosis staple nail lower limbs bending spiral spiral shell footpaths under the guiding of the ejector pin piece grooving that has a down dip gradually larger, two nail lower limbs that are conducive to reduce the Double-spiral anastomosis staple bend to respectively clamping force after spiral type and the Forming Resistance of anastomosis staple.
Compare with scheme three, due to the ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed without sidewall, make two nail lower limbs bending spiral pitch under the constraint of the nail beam of Double-spiral anastomosis staple of Double-spiral anastomosis staple larger, be conducive to reduce by two clamping forces of following closely after lower limbs bend to respectively spiral type of Double-spiral anastomosis staple.
Scheme five: a nail beam and two nail lower limbs of anastomosis staple take the shape of the letter U.Ejector pin piece grooving vertically is along ejector pin piece grooving the shape that the middle part is recessed, protrude at two ends.There is sidewall in the ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed.If the nail tip of two nail lower limbs is continued to release in nail bin by the ejector pin piece near the larger Double-spiral anastomosis staple in spiral shell footpath of nail beam both sides, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, two nail lower limbs that make the larger Double-spiral anastomosis staple in spiral shell footpath are under the constraint of the sidewall of the nail beam of Double-spiral anastomosis staple and ejector pin piece grooving, the combination type grooving that constantly reduces along spacing respectively continues crooked, forms the less Double-spiral anastomosis staple in spiral shell footpath.
Vertically be due to ejector pin piece grooving along ejector pin piece grooving the shape that the middle part is recessed, protrude at two ends, make two of Double-spiral anastomosis staple nail lower limbs bending spiral spiral shell footpaths under the constraint of ejector pin piece grooving less, be conducive to improve two clamping forces of following closely after lower limbs bend to respectively spiral type of Double-spiral anastomosis staple, but the Forming Resistance of anastomosis staple is larger.
There is sidewall in the both sides outside parallel with the longitudinal fluting that anastomosis staple is installed due to ejector pin piece grooving, make two of anastomosis staple nail lower limbs bending spiral pitch under the constraint of the sidewall of the nail beam of Double-spiral anastomosis staple and ejector pin piece grooving less, two nail lower limbs that are conducive to improve the Double-spiral anastomosis staple bend to respectively the clamping forces after spiral type.
Scheme six: a nail beam and two nail lower limbs of anastomosis staple take the shape of the letter U.Ejector pin piece grooving vertically is along ejector pin piece grooving the shape that the middle part is recessed, protrude at two ends.The ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed is without sidewall.If the nail tip of two nail lower limbs is continued to release in nail bin by the ejector pin piece near the larger Double-spiral anastomosis staple in spiral shell footpath of nail beam both sides, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, make two nail lower limbs of the larger Double-spiral anastomosis staple in spiral shell footpath under the constraint of the nail beam of Double-spiral anastomosis staple, the combination type grooving that constantly reduces along spacing respectively continues crooked, forms the less Double-spiral anastomosis staple in spiral shell footpath.
Compare with scheme five, due to the ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed without sidewall, make two nail lower limbs bending spiral pitch under the constraint of the nail beam of Double-spiral anastomosis staple of Double-spiral anastomosis staple larger, be conducive to reduce by two clamping forces of following closely after lower limbs bend to respectively spiral type of Double-spiral anastomosis staple.
Scheme seven: a nail beam and two nail lower limbs of anastomosis staple take the shape of the letter U.Ejector pin piece grooving is along the shape that vertically being on one side of ejector pin piece grooving protrudes, another side has a down dip gradually, and the protrusion position of ejector pin piece grooving of longitudinal fluting one side that wherein is positioned at the ejector pin piece is corresponding across the longitudinal fluting of ejector pin piece with the position that has a down dip gradually of the ejector pin piece grooving of the longitudinal fluting opposite side that is positioned at the ejector pin piece.There is sidewall in the ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed.If the nail tip of two nail lower limbs is continued to release in nail bin by the ejector pin piece near the larger Double-spiral anastomosis staple in spiral shell footpath of nail beam both sides, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, two nail lower limbs that make the larger Double-spiral anastomosis staple in spiral shell footpath are under the constraint of the sidewall of the nail beam of Double-spiral anastomosis staple and ejector pin piece grooving, the combination type grooving that constantly reduces along spacing respectively continues crooked, forms the less Double-spiral anastomosis staple in spiral shell footpath.
Compare with scheme five, due to ejector pin piece grooving along vertically being on one side of ejector pin piece grooving protrudes, another side has a down dip gradually shape, make two of Double-spiral anastomosis staple nail lower limbs bending spiral spiral shell footpaths under the guiding of the ejector pin piece grooving that has a down dip gradually larger, two nail lower limbs that are conducive to reduce the Double-spiral anastomosis staple bend to respectively clamping force after spiral type and the Forming Resistance of anastomosis staple.
Scheme eight: a nail beam and two nail lower limbs of anastomosis staple take the shape of the letter U.Ejector pin piece grooving is along the shape that vertically being on one side of ejector pin piece grooving protrudes, another side has a down dip gradually, and the protrusion position of ejector pin piece grooving of longitudinal fluting one side that wherein is positioned at the ejector pin piece is corresponding across the longitudinal fluting of ejector pin piece with the position that has a down dip gradually of the ejector pin piece grooving of the longitudinal fluting opposite side that is positioned at the ejector pin piece.The ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed is without sidewall.If the nail tip of two nail lower limbs is continued to release in nail bin by the ejector pin piece near the larger Double-spiral anastomosis staple in spiral shell footpath of nail beam both sides, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, make two nail lower limbs of the larger Double-spiral anastomosis staple in spiral shell footpath under the constraint of the nail beam of Double-spiral anastomosis staple, the combination type grooving that constantly reduces along spacing respectively continues crooked, forms the less Double-spiral anastomosis staple in spiral shell footpath.
Compare with scheme six, due to ejector pin piece grooving along vertically being on one side of ejector pin piece grooving protrudes, another side has a down dip gradually shape, make two of Double-spiral anastomosis staple nail lower limbs bending spiral spiral shell footpaths under the guiding of the ejector pin piece grooving that has a down dip gradually larger, two nail lower limbs that are conducive to reduce the Double-spiral anastomosis staple bend to respectively clamping force after spiral type and the Forming Resistance of anastomosis staple.
Compare with scheme seven, due to the ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed without sidewall, make two nail lower limbs bending spiral pitch under the constraint of the nail beam of Double-spiral anastomosis staple of Double-spiral anastomosis staple larger, be conducive to reduce by two clamping forces of following closely after lower limbs bend to respectively spiral type of Double-spiral anastomosis staple.
Scheme nine: a nail beam and two nail lower limbs of anastomosis staple are W shape.Ejector pin piece grooving is along the shape that vertically is middle part and two ends protrusion of ejector pin piece grooving.There is sidewall in the ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed.If the nail tip of nail lower limb is continued to release in nail bin by the ejector pin piece near the B shape anastomosis staple of nail beam, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, make two of anastomosis staple nail lower limbs under the constraint of the sidewall of the nail beam of anastomosis staple and ejector pin piece grooving, crooked along the continuous combination type grooving continuation that reduces of spacing respectively, with the crooked rear Double-spiral anastomosis staple that forms of two nail lower limbs difference of anastomosis staple.
Due to the shape that vertically be middle part and two ends protrusion of ejector pin piece grooving along ejector pin piece grooving, make under the guiding of the ejector pin piece grooving that two of anastomosis staple nail lower limbs protrude at longitudinal middle part and two ends bending spiral spiral shell footpath less, two nail lower limbs that are conducive to improve the Double-spiral anastomosis staple bend to respectively the clamping forces after spiral type.
There is sidewall in the both sides outside parallel with the longitudinal fluting that anastomosis staple is installed due to ejector pin piece grooving, make two of anastomosis staple nail lower limbs bending spiral pitch under the constraint of the sidewall of the nail beam of anastomosis staple and ejector pin piece grooving less, two nail lower limbs that are conducive to improve the Double-spiral anastomosis staple bend to respectively the clamping forces after spiral type.
Scheme ten: a nail beam and two nail lower limbs of anastomosis staple are W shape.Ejector pin piece grooving is along the shape that vertically is middle part and two ends protrusion of ejector pin piece grooving.The ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed is without sidewall.If the nail tip of nail lower limb is continued to release in nail bin by the ejector pin piece near the B shape anastomosis staple of nail beam, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, make two of anastomosis staple nail lower limbs only under the constraint of the nail beam of anastomosis staple, crooked along the continuous combination type grooving continuation that reduces of spacing respectively, with the crooked rear Double-spiral anastomosis staple that forms of two nail lower limbs difference of anastomosis staple.
Compare with scheme nine, due to the ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed without sidewall, make two of anastomosis staple nail lower limbs only under the constraint of the nail beam of anastomosis staple bending spiral pitch larger, two nail lower limbs that are conducive to reduce the Double-spiral anastomosis staple bend to respectively the clamping forces after spiral type.
Scheme 11: a nail beam and two nail lower limbs of anastomosis staple are W shape.Ejector pin piece grooving vertically is along ejector pin piece grooving the shape that protrude at the middle part, both sides have a down dip gradually.There is sidewall in the ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed.If the nail tip of nail lower limb is continued to release in nail bin by the ejector pin piece near the B shape anastomosis staple of nail beam, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, make two of anastomosis staple nail lower limbs under the constraint of the sidewall of the nail beam of anastomosis staple and ejector pin piece grooving, crooked along the continuous combination type grooving continuation that reduces of spacing respectively, with the crooked rear Double-spiral anastomosis staple that forms of two nail lower limbs difference of anastomosis staple.
Compare with scheme nine, vertically be due to ejector pin piece grooving along ejector pin piece grooving the shape that protrude at the middle part, both sides have a down dip gradually, make two of anastomosis staple nail lower limbs bending spiral spiral shell footpaths under the guiding of the ejector pin piece grooving that has a down dip gradually larger, two nail lower limbs that are conducive to reduce the Double-spiral anastomosis staple bend to respectively clamping force after spiral type and the Forming Resistance of anastomosis staple.
Scheme 12: a nail beam and two nail lower limbs of anastomosis staple are W shape.Ejector pin piece grooving vertically is along ejector pin piece grooving the shape that protrude at the middle part, both sides have a down dip gradually.The ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed is without sidewall.If the nail tip of nail lower limb is continued to release in nail bin by the ejector pin piece near the B shape anastomosis staple of nail beam, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, make two of anastomosis staple nail lower limbs only under the constraint of the nail beam of anastomosis staple, crooked along the continuous combination type grooving continuation that reduces of spacing respectively, with the crooked rear Double-spiral anastomosis staple that forms of two nail lower limbs difference of anastomosis staple.
Compare with scheme ten, vertically be due to ejector pin piece grooving along ejector pin piece grooving the shape that protrude at the middle part, both sides have a down dip gradually, make two of anastomosis staple nail lower limbs bending spiral spiral shell footpaths under the guiding of the ejector pin piece grooving that has a down dip gradually larger, two nail lower limbs that are conducive to reduce the Double-spiral anastomosis staple bend to respectively clamping force after spiral type and the Forming Resistance of anastomosis staple.
Compare with scheme 11, due to the ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed without sidewall, make two of anastomosis staple nail lower limbs only under the constraint of the nail beam of anastomosis staple bending spiral pitch larger, two nail lower limbs that are conducive to reduce the Double-spiral anastomosis staple bend to respectively the clamping forces after spiral type.
Scheme 13: a nail beam and two nail lower limbs of anastomosis staple take the shape of the letter U.Ejector pin piece grooving is along the shape that vertically is middle part and two ends protrusion of ejector pin piece grooving.There is sidewall in the ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed.If the nail tip of nail lower limb is continued to release in nail bin by the ejector pin piece near the B shape anastomosis staple of nail beam, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, make two of anastomosis staple nail lower limbs under the constraint of the sidewall of the nail beam of anastomosis staple and ejector pin piece grooving, crooked along the continuous combination type grooving continuation that reduces of spacing respectively, with the crooked rear Double-spiral anastomosis staple that forms of two nail lower limbs difference of anastomosis staple.
Due to the shape that vertically be middle part and two ends protrusion of ejector pin piece grooving along ejector pin piece grooving, make under the guiding of the ejector pin piece grooving that two of anastomosis staple nail lower limbs protrude at longitudinal middle part and two ends bending spiral spiral shell footpath less, two nail lower limbs that are conducive to improve the Double-spiral anastomosis staple bend to respectively the clamping forces after spiral type.
There is sidewall in the both sides outside parallel with the longitudinal fluting that anastomosis staple is installed due to ejector pin piece grooving, make two of anastomosis staple nail lower limbs bending spiral pitch under the constraint of the sidewall of the nail beam of anastomosis staple and ejector pin piece grooving less, two nail lower limbs that are conducive to improve the Double-spiral anastomosis staple bend to respectively the clamping forces after spiral type.
Scheme 14: a nail beam and two nail lower limbs of anastomosis staple take the shape of the letter U.Ejector pin piece grooving is along the shape that vertically is middle part and two ends protrusion of ejector pin piece grooving.The ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed is without sidewall.If the nail tip of nail lower limb is continued to release in nail bin by the ejector pin piece near the B shape anastomosis staple of nail beam, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, make two of anastomosis staple nail lower limbs only under the constraint of the nail beam of anastomosis staple, crooked along the continuous combination type grooving continuation that reduces of spacing respectively, with the crooked rear Double-spiral anastomosis staple that forms of two nail lower limbs difference of anastomosis staple.
Compare with scheme 13, due to the ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed without sidewall, make two of anastomosis staple nail lower limbs only under the constraint of the nail beam of anastomosis staple bending spiral pitch larger, two nail lower limbs that are conducive to reduce the Double-spiral anastomosis staple bend to respectively the clamping forces after spiral type.
Scheme 15: a nail beam and two nail lower limbs of anastomosis staple take the shape of the letter U.Ejector pin piece grooving vertically is along ejector pin piece grooving the shape that protrude at the middle part, both sides have a down dip gradually.There is sidewall in the ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed.If the nail tip of nail lower limb is continued to release in nail bin by the ejector pin piece near the B shape anastomosis staple of nail beam, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, make two of anastomosis staple nail lower limbs under the constraint of the sidewall of the nail beam of anastomosis staple and ejector pin piece grooving, crooked along the continuous combination type grooving continuation that reduces of spacing respectively, with the crooked rear Double-spiral anastomosis staple that forms of two nail lower limbs difference of anastomosis staple.
Compare with scheme 13, vertically be due to ejector pin piece grooving along ejector pin piece grooving the shape that protrude at the middle part, both sides have a down dip gradually, make two of anastomosis staple nail lower limbs bending spiral spiral shell footpaths under the guiding of the ejector pin piece grooving that has a down dip gradually larger, two nail lower limbs that are conducive to reduce the Double-spiral anastomosis staple bend to respectively clamping force after spiral type and the Forming Resistance of anastomosis staple.
Scheme 16: a nail beam and two nail lower limbs of anastomosis staple take the shape of the letter U.Ejector pin piece grooving vertically is along ejector pin piece grooving the shape that protrude at the middle part, both sides have a down dip gradually.The ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed is without sidewall.If the nail tip of nail lower limb is continued to release in nail bin by the ejector pin piece near the B shape anastomosis staple of nail beam, the distance between the nail anvil grooving of combination type grooving and ejector pin piece grooving constantly reduces, make two of anastomosis staple nail lower limbs only under the constraint of the nail beam of anastomosis staple, crooked along the continuous combination type grooving continuation that reduces of spacing respectively, with the crooked rear Double-spiral anastomosis staple that forms of two nail lower limbs difference of anastomosis staple.
Compare with scheme 14, vertically be due to ejector pin piece grooving along ejector pin piece grooving the shape that protrude at the middle part, both sides have a down dip gradually, make two of anastomosis staple nail lower limbs bending spiral spiral shell footpaths under the guiding of the ejector pin piece grooving that has a down dip gradually larger, two nail lower limbs that are conducive to reduce the Double-spiral anastomosis staple bend to respectively clamping force after spiral type and the Forming Resistance of anastomosis staple.
Compare with scheme 15, due to the ejector pin piece grooving both sides outside parallel with the longitudinal fluting that anastomosis staple is installed without sidewall, make two of anastomosis staple nail lower limbs only under the constraint of the nail beam of anastomosis staple bending spiral pitch larger, two nail lower limbs that are conducive to reduce the Double-spiral anastomosis staple bend to respectively the clamping forces after spiral type.
if being positioned at the ejector pin piece grooving of longitudinal fluting one side of ejector pin piece, the ejector pin piece grooving in the anastomosis staple of surgical stapling of the present utility model and combination type grooving thereof adopts above-mentioned wherein a kind of technical scheme, the ejector pin piece grooving that is positioned at the longitudinal fluting opposite side of ejector pin piece adopts above-mentioned wherein another kind of technical scheme, perhaps the ejector pin piece grooving of ejector pin piece both sides has sidewall in a side of the outside parallel with the longitudinal fluting that anastomosis staple is installed, opposite side is without sidewall, can be so that the ejector pin piece grooving that is positioned at ejector pin piece both sides of the anastomosis staple of surgical stapling of the present utility model and combination type grooving thereof reaches the technique effect of the ejector pin piece grooving of above-mentioned appropriate technical solution separately.
The anastomosis staple of the surgical stapling of various schemes of the present utility model and combination type grooving thereof, requirements of operation according to the tissue that coincide, also can mix use with anastomosis staple and the grooving thereof of the surgical stapling of other type, for example, certain circle or certain row select anastomosis staple and the combination type grooving thereof of the surgical stapling in various scheme of the present utility model, and separately circle or another row select anastomosis staple and the grooving thereof of the surgical stapling of the anastomosis staple of the surgical stapling in various scheme of the present utility model and combination type grooving or other type.
Description of drawings
Fig. 1 means the outside drawing of known nail anvil grooving;
Fig. 2 means the outside drawing of the anastomosis staple of known U-shaped;
Fig. 3 means that the ejector pin piece is pressed on outside drawing on the nail anvil grooving with the nail tip of the anastomosis staple of known U-shaped;
Fig. 4 means that the anastomosis staple of known U-shaped bends to the outside drawing of the anastomosis staple of B shape on the nail anvil grooving;
Fig. 5 means the outside drawing of the anastomosis staple of the known B of bending to shape;
Outside drawing when Fig. 6 means after the nail tip bending forming of known anastomosis staple not as good as the middle part of nail beam;
Fig. 7 means the outside drawing of crossing the middle part of nail beam after the nail tip bending forming of known anastomosis staple;
Fig. 8 means the outside drawing of the nail anvil grooving of this utility model the first embodiment to the eight embodiment;
Fig. 9 means the outside drawing of the W shape anastomosis staple of this utility model the first embodiment to the four embodiment and the 9th embodiment to the 12 embodiment;
Figure 10 means the outside drawing of the ejector pin piece of this utility model the first embodiment;
Figure 11 means that the W shape anastomosis staple of this utility model the first embodiment is arranged on the outside drawing on the ejector pin piece;
The ejector pin piece that Figure 12 represents Figure 10 is pressed on outside drawing on the nail anvil grooving with the nail tip of two nail lower limbs of anastomosis staple;
Two of the anastomosis staple nail lower limbs that Figure 13 means Figure 12 respectively along the bending of nail anvil grooving until the nail tip of two nail lower limbs of anastomosis staple near the cutaway view of the nail beam both sides of anastomosis staple;
Figure 14 represents that the anastomosis staple of Figure 13 on the ejector pin piece is bent to the outside drawing of the larger Double-spiral anastomosis staple in spiral shell footpath;
Figure 15 means that the anastomosis staple of Figure 13 is bent to the top view of the larger Double-spiral anastomosis staple in spiral shell footpath;
It is crooked that Figure 16 means that combination type grooving that two of the anastomosis staple nail lower limbs of Figure 13 constantly reduce along spacing respectively continues, and two nail lower limbs of anastomosis staple are bent to respectively spiral cutaway view;
Figure 17 means that two nail lower limbs of the anastomosis staple of Figure 16 are bent to the less spiral outside drawing in spiral shell footpath;
Figure 18 means that the anastomosis staple of Figure 16 is bent to the top view of the less Double-spiral anastomosis staple in spiral shell footpath;
Figure 19 means the outside drawing of the ejector pin piece of this utility model the second embodiment;
Figure 20 means that the W shape anastomosis staple of this utility model the second embodiment is arranged on the outside drawing on the ejector pin piece;
The ejector pin piece that Figure 21 represents Figure 19 is pressed on outside drawing on the nail anvil grooving with the nail tip of two nail lower limbs of anastomosis staple;
Two of the anastomosis staple nail lower limbs that Figure 22 means Figure 21 respectively along the bending of nail anvil grooving until the nail tip of two nail lower limbs of anastomosis staple near the cutaway view of the nail beam both sides of anastomosis staple;
It is crooked that Figure 23 means that combination type grooving that two of the anastomosis staple nail lower limbs of Figure 22 constantly reduce along spacing respectively continues, and two nail lower limbs of anastomosis staple are bent to respectively spiral cutaway view;
Figure 24 means that two nail lower limbs of the anastomosis staple of Figure 23 are bent to the less spiral outside drawing in spiral shell footpath;
Figure 25 means that the anastomosis staple of Figure 23 is bent to the top view of the less Double-spiral anastomosis staple in spiral shell footpath;
Figure 26 means the outside drawing of the ejector pin piece of this utility model the 3rd embodiment;
Figure 27 means that the W shape anastomosis staple of this utility model the 3rd embodiment is arranged on the outside drawing on the ejector pin piece;
The ejector pin piece that Figure 28 represents Figure 26 is pressed on outside drawing on the nail anvil grooving with the nail tip of two nail lower limbs of anastomosis staple;
Two of the anastomosis staple nail lower limbs that Figure 29 means Figure 28 respectively along the bending of nail anvil grooving until the nail tip of two nail lower limbs of anastomosis staple near the cutaway view of the nail beam both sides of anastomosis staple;
It is crooked that Figure 30 means that combination type grooving that two of the anastomosis staple nail lower limbs of Figure 29 constantly reduce along spacing respectively continues, and two nail lower limbs of anastomosis staple are bent to respectively spiral cutaway view;
Figure 31 means that two nail lower limbs of the anastomosis staple of Figure 30 are bent to the less spiral outside drawing in spiral shell footpath;
Figure 32 means that the anastomosis staple of Figure 30 is bent to the top view of the less Double-spiral anastomosis staple in spiral shell footpath;
Figure 33 means the outside drawing of the ejector pin piece of this utility model the 4th embodiment;
Figure 34 means that the W shape anastomosis staple of this utility model the 4th embodiment is arranged on the outside drawing on the ejector pin piece;
The ejector pin piece that Figure 35 represents Figure 33 is pressed on outside drawing on the nail anvil grooving with the nail tip of two nail lower limbs of anastomosis staple;
Two of the anastomosis staple nail lower limbs that Figure 36 means Figure 35 respectively along the bending of nail anvil grooving until the nail tip of two nail lower limbs of anastomosis staple near the cutaway view of the nail beam both sides of anastomosis staple;
It is crooked that Figure 37 means that combination type grooving that two of the anastomosis staple nail lower limbs of Figure 36 constantly reduce along spacing respectively continues, and two nail lower limbs of anastomosis staple are bent to respectively spiral cutaway view;
Figure 38 means that two nail lower limbs of the anastomosis staple of Figure 37 are bent to the less spiral outside drawing in spiral shell footpath;
Figure 39 means that the anastomosis staple of Figure 37 is bent to the top view of the less Double-spiral anastomosis staple in spiral shell footpath;
Figure 40 means the outside drawing of the U-shaped anastomosis staple of this utility model the 5th embodiment to the eight embodiment and the 13 embodiment to the 16 embodiment;
Figure 41 means the outside drawing of the ejector pin piece of this utility model the 5th embodiment;
Figure 42 means that the U-shaped anastomosis staple of this utility model the 5th embodiment is arranged on the outside drawing on the ejector pin piece;
The ejector pin piece that Figure 43 represents Figure 41 is pressed on outside drawing on the nail anvil grooving with the nail tip of two nail lower limbs of anastomosis staple;
Two of the anastomosis staple nail lower limbs that Figure 44 means Figure 43 respectively along the bending of nail anvil grooving until the nail tip of two nail lower limbs of anastomosis staple near the cutaway view of the nail beam both sides of anastomosis staple;
Figure 45 represents that the anastomosis staple of Figure 44 on the ejector pin piece is bent to the outside drawing of the larger Double-spiral anastomosis staple in spiral shell footpath;
Figure 46 means that the anastomosis staple of Figure 44 is bent to the top view of the larger Double-spiral anastomosis staple in spiral shell footpath;
It is crooked that Figure 47 means that combination type grooving that two of the anastomosis staple nail lower limbs of Figure 45 constantly reduce along spacing respectively continues, and two nail lower limbs of anastomosis staple are bent to respectively spiral cutaway view;
Figure 48 means that two nail lower limbs of the anastomosis staple of Figure 46 are bent to the less spiral outside drawing in spiral shell footpath;
Figure 49 means that the anastomosis staple of Figure 46 is bent to the top view of the less Double-spiral anastomosis staple in spiral shell footpath;
Figure 50 means the outside drawing of the ejector pin piece of this utility model the 6th embodiment;
Figure 51 means that the U-shaped anastomosis staple of this utility model the 6th embodiment is arranged on the outside drawing on the ejector pin piece;
The ejector pin piece that Figure 52 represents Figure 50 is pressed on outside drawing on the nail anvil grooving with the nail tip of two nail lower limbs of anastomosis staple;
Two of the anastomosis staple nail lower limbs that Figure 53 means Figure 52 respectively along the bending of nail anvil grooving until the nail tip of two nail lower limbs of anastomosis staple near the cutaway view of the nail beam both sides of anastomosis staple;
It is crooked that Figure 54 means that combination type grooving that two of the anastomosis staple nail lower limbs of Figure 53 constantly reduce along spacing respectively continues, and two nail lower limbs of anastomosis staple are bent to respectively spiral cutaway view;
Figure 55 means that two nail lower limbs of the anastomosis staple of Figure 54 are bent to the less spiral outside drawing in spiral shell footpath;
Figure 56 means that the anastomosis staple of Figure 54 is bent to the top view of the less Double-spiral anastomosis staple in spiral shell footpath;
Figure 57 means the outside drawing of the ejector pin piece of this utility model the 7th embodiment;
Figure 58 means that the U-shaped anastomosis staple of this utility model the 7th embodiment is arranged on the outside drawing on the ejector pin piece;
The ejector pin piece that Figure 59 represents Figure 57 is pressed on outside drawing on the nail anvil grooving with the nail tip of two nail lower limbs of anastomosis staple;
Two of the anastomosis staple nail lower limbs that Figure 60 means Figure 59 respectively along the bending of nail anvil grooving until the nail tip of two nail lower limbs of anastomosis staple near the cutaway view of the nail beam both sides of anastomosis staple;
It is crooked that Figure 61 means that combination type grooving that two of the anastomosis staple nail lower limbs of Figure 60 constantly reduce along spacing respectively continues, and two nail lower limbs of anastomosis staple are bent to respectively spiral cutaway view;
Figure 62 means that two nail lower limbs of the anastomosis staple of Figure 61 are bent to the less spiral outside drawing in spiral shell footpath;
Figure 63 means that the anastomosis staple of Figure 61 is bent to the top view of the less Double-spiral anastomosis staple in spiral shell footpath;
Figure 64 means the outside drawing of the ejector pin piece of this utility model the 8th embodiment;
Figure 65 means that the U-shaped anastomosis staple of this utility model the 8th embodiment is arranged on the outside drawing on the ejector pin piece;
The ejector pin piece that Figure 66 represents Figure 64 is pressed on outside drawing on the nail anvil grooving with the nail tip of two nail lower limbs of anastomosis staple;
Two of the anastomosis staple nail lower limbs that Figure 67 means Figure 66 respectively along the bending of nail anvil grooving until the nail tip of two nail lower limbs of anastomosis staple near the cutaway view of the nail beam both sides of anastomosis staple;
It is crooked that Figure 68 means that combination type grooving that two of the anastomosis staple nail lower limbs of Figure 67 constantly reduce along spacing respectively continues, and two nail lower limbs of anastomosis staple are bent to respectively spiral cutaway view;
Figure 69 means that two nail lower limbs of the anastomosis staple of Figure 68 are bent to the less spiral outside drawing in spiral shell footpath;
Figure 70 means that the anastomosis staple of Figure 69 is bent to the top view of the less Double-spiral anastomosis staple in spiral shell footpath;
Figure 71 means the outside drawing of the nail anvil grooving of this utility model the 9th embodiment to the 16 embodiment;
Figure 72 means the outside drawing of the ejector pin piece of this utility model the 9th embodiment;
Figure 73 means that the W shape anastomosis staple of this utility model the 9th embodiment is arranged on the outside drawing on the ejector pin piece;
The ejector pin piece that Figure 74 represents Figure 72 is pressed on outside drawing on the nail anvil grooving with the nail tip of two nail lower limbs of anastomosis staple;
Two of the anastomosis staple nail lower limbs that Figure 75 means Figure 74 respectively along the bending of nail anvil grooving until the nail tip of two nail lower limbs of anastomosis staple near the cutaway view of the nail beam of anastomosis staple;
Figure 76 means that the anastomosis staple of Figure 75 on the ejector pin piece is bent to the outside drawing of B shape anastomosis staple;
It is crooked that Figure 77 means that combination type grooving that two of the anastomosis staple nail lower limbs of Figure 75 constantly reduce along spacing respectively continues, and two nail lower limbs of anastomosis staple are bent to respectively spiral cutaway view;
Figure 78 means that two nail lower limbs of the anastomosis staple of Figure 77 are bent to spiral outside drawing;
Figure 79 means that the anastomosis staple of Figure 77 is bent to the top view of Double-spiral anastomosis staple;
Figure 80 means the outside drawing of the ejector pin piece of this utility model the tenth embodiment;
Figure 81 means that the W shape anastomosis staple of this utility model the tenth embodiment is arranged on the outside drawing on the ejector pin piece;
The ejector pin piece that Figure 82 represents Figure 80 is pressed on outside drawing on the nail anvil grooving with the nail tip of two nail lower limbs of anastomosis staple;
Two of the anastomosis staple nail lower limbs that Figure 83 means Figure 82 respectively along the bending of nail anvil grooving until the nail tip of two nail lower limbs of anastomosis staple near the cutaway view of the nail beam of anastomosis staple;
It is crooked that Figure 84 means that combination type grooving that two of the anastomosis staple nail lower limbs of Figure 83 constantly reduce along spacing respectively continues, and two nail lower limbs of anastomosis staple are bent to respectively spiral cutaway view;
Figure 85 means that two nail lower limbs of the anastomosis staple of Figure 84 are bent to spiral outside drawing;
Figure 86 means that the anastomosis staple of Figure 84 is bent to the top view of Double-spiral anastomosis staple;
Figure 87 means the outside drawing of the ejector pin piece of this utility model the 11 embodiment;
Figure 88 means that the W shape anastomosis staple of this utility model the 11 embodiment is arranged on the outside drawing on the ejector pin piece;
The ejector pin piece that Figure 89 represents Figure 87 is pressed on outside drawing on the nail anvil grooving with the nail tip of two nail lower limbs of anastomosis staple;
Two of the anastomosis staple nail lower limbs that Figure 90 means Figure 89 respectively along the bending of nail anvil grooving until the nail tip of two nail lower limbs of anastomosis staple near the cutaway view of the nail beam of anastomosis staple;
It is crooked that Figure 91 means that combination type grooving that two of the anastomosis staple nail lower limbs of Figure 90 constantly reduce along spacing respectively continues, and two nail lower limbs of anastomosis staple are bent to respectively spiral cutaway view;
Figure 92 means that two nail lower limbs of the anastomosis staple of Figure 91 are bent to spiral outside drawing;
Figure 93 means that the anastomosis staple of Figure 91 is bent to the top view of Double-spiral anastomosis staple;
Figure 94 means the outside drawing of the ejector pin piece of this utility model the 12 embodiment;
Figure 95 means that the W shape anastomosis staple of this utility model the 12 embodiment is arranged on the outside drawing on the ejector pin piece;
The ejector pin piece that Figure 96 represents Figure 94 is pressed on outside drawing on the nail anvil grooving with the nail tip of two nail lower limbs of anastomosis staple;
Two of the anastomosis staple nail lower limbs that Figure 97 means Figure 96 respectively along the bending of nail anvil grooving until the nail tip of two nail lower limbs of anastomosis staple near the cutaway view of the nail beam of anastomosis staple;
It is crooked that Figure 98 means that combination type grooving that two of the anastomosis staple nail lower limbs of Figure 97 constantly reduce along spacing respectively continues, and two nail lower limbs of anastomosis staple are bent to respectively spiral cutaway view;
Figure 99 means that two nail lower limbs of the anastomosis staple of Figure 98 are bent to spiral outside drawing;
Figure 100 means that the anastomosis staple of Figure 98 is bent to the top view of Double-spiral anastomosis staple;
Figure 101 means the outside drawing of the ejector pin piece of this utility model the 13 embodiment;
Figure 102 means that the U-shaped anastomosis staple of this utility model the 13 embodiment is arranged on the outside drawing on the ejector pin piece;
The ejector pin piece that Figure 103 means Figure 101 is pressed on outside drawing on the nail anvil grooving with the nail tip of two nail lower limbs of anastomosis staple;
Two of the anastomosis staple nail lower limbs that Figure 104 means Figure 103 respectively along the bending of nail anvil grooving until the nail tip of two nail lower limbs of anastomosis staple near the cutaway view of the nail beam of anastomosis staple;
Figure 105 means that the anastomosis staple of Figure 104 on the ejector pin piece is bent to the front view of B shape anastomosis staple;
It is crooked that Figure 106 means that combination type grooving that two of the anastomosis staple nail lower limbs of Figure 104 constantly reduce along spacing respectively continues, and two nail lower limbs of anastomosis staple are bent to respectively spiral cutaway view;
Figure 107 means that two nail lower limbs of the anastomosis staple of Figure 106 are bent to spiral outside drawing;
Figure 108 means that the anastomosis staple of Figure 106 is bent to the top view of Double-spiral anastomosis staple;
Figure 109 means the outside drawing of the ejector pin piece of this utility model the 14 embodiment;
Figure 110 means that the U-shaped anastomosis staple of this utility model the 14 embodiment is arranged on the outside drawing on the ejector pin piece;
The ejector pin piece that Figure 111 means Figure 109 is pressed on outside drawing on the nail anvil grooving with the nail tip of two nail lower limbs of anastomosis staple;
Two of the anastomosis staple nail lower limbs that Figure 112 means Figure 111 respectively along the bending of nail anvil grooving until the nail tip of two nail lower limbs of anastomosis staple near the cutaway view of the nail beam of anastomosis staple;
It is crooked that Figure 113 means that combination type grooving that two of the anastomosis staple nail lower limbs of Figure 112 constantly reduce along spacing respectively continues, and two nail lower limbs of anastomosis staple are bent to respectively spiral cutaway view;
Figure 114 means that two nail lower limbs of the anastomosis staple of Figure 113 are bent to spiral outside drawing;
Figure 115 means that the anastomosis staple of Figure 113 is bent to the top view of Double-spiral anastomosis staple;
Figure 116 means the outside drawing of the ejector pin piece of this utility model the 15 embodiment;
Figure 117 means that the U-shaped anastomosis staple of this utility model the 15 embodiment is arranged on the outside drawing on the ejector pin piece;
The ejector pin piece that Figure 118 means Figure 116 is pressed on outside drawing on the nail anvil grooving with the nail tip of two nail lower limbs of anastomosis staple;
Two of the anastomosis staple nail lower limbs that Figure 119 means Figure 118 respectively along the bending of nail anvil grooving until the nail tip of two nail lower limbs of anastomosis staple near the cutaway view of the nail beam of anastomosis staple;
It is crooked that Figure 120 means that combination type grooving that two of the anastomosis staple nail lower limbs of Figure 119 constantly reduce along spacing respectively continues, and two nail lower limbs of anastomosis staple are bent to respectively spiral cutaway view;
Figure 121 means that two nail lower limbs of the anastomosis staple of Figure 120 are bent to spiral outside drawing;
Figure 122 means that the anastomosis staple of Figure 120 is bent to the top view of Double-spiral anastomosis staple;
Figure 123 means the outside drawing of the ejector pin piece of this utility model the 16 embodiment;
Figure 124 means that the U-shaped anastomosis staple of this utility model the 16 embodiment is arranged on the outside drawing on the ejector pin piece;
The ejector pin piece that Figure 125 means Figure 123 is pressed on outside drawing on the nail anvil grooving with the nail tip of two nail lower limbs of anastomosis staple;
Two of the anastomosis staple nail lower limbs that Figure 126 means Figure 125 respectively along the bending of nail anvil grooving until the nail tip of two nail lower limbs of anastomosis staple near the cutaway view of the nail beam of anastomosis staple;
It is crooked that Figure 127 means that combination type grooving that two of the anastomosis staple nail lower limbs of Figure 126 constantly reduce along spacing respectively continues, and two nail lower limbs of anastomosis staple are bent to respectively spiral cutaway view;
Figure 128 means that two nail lower limbs of the anastomosis staple of Figure 127 are bent to spiral outside drawing;
Figure 129 means that the anastomosis staple of Figure 127 is bent to the top view of Double-spiral anastomosis staple;
Figure 130 means the outside drawing of the ejector pin piece of this utility model the 17 embodiment;
Figure 131 means the outside drawing of the ejector pin piece of this utility model the 18 embodiment;
Figure 132 means the outside drawing of the ejector pin piece of this utility model the 19 embodiment;
Figure 133 means the outside drawing of the ejector pin piece of this utility model the 20 embodiment;
Figure 134 means the outside drawing of the ejector pin piece of this utility model the 21 embodiment;
Figure 135 means the outside drawing of the ejector pin piece of this utility model the 22 embodiment;
Figure 136 means the outside drawing of the ejector pin piece of this utility model the 23 embodiment;
Figure 137 means the outside drawing of the ejector pin piece of this utility model the 24 embodiment;
Figure 138 means the outside drawing of the ejector pin piece of this utility model the 25 embodiment;
Figure 139 means the outside drawing of the ejector pin piece of this utility model the 26 embodiment;
Figure 140 means the outside drawing of the ejector pin piece of this utility model the 27 embodiment;
Figure 141 means the outside drawing of the ejector pin piece of this utility model the 28 embodiment.
The specific embodiment
The below uses way of example, states by reference to the accompanying drawings the anastomosis staple of surgical stapling of the present utility model and the most preferred embodiment of combination type grooving thereof.Scope of the present utility model will be pointed out in the claims.Will be appreciated that some or all accompanying drawing is all for the explanation sketch of most preferred embodiment of the present utility model is described, and the full-size(d) of part shown in not depicting.With reference to being described in detail of most preferred embodiment, understand with will be more readily apparent from reach this utility model above-mentioned with practical ways other objects and advantages.
For the ease of the anastomosis staple of the surgical stapling that illustrates the various embodiment of this utility model and technical characterictic, technical scheme and the technique effect of combination type grooving thereof, below nail anvil grooving and ejector pin piece in various embodiment only illustrate the part in corresponding component in surgical stapling, the content in each piece United States Patent (USP) publicity that global shape in various surgical staplings of nail anvil grooving and ejector pin piece, 26S Proteasome Structure and Function are quoted in can the background technology with reference to this description.
Fig. 8 means the nail anvil grooving of this utility model the first embodiment to the eight embodiment: nail anvil grooving 30 is comprised of lip-deep two grooves 32 and 33 of nail anvil 31.Two grooves 32 and 33 have respectively nail mouth 34 and 35 at the middle part of nail anvil grooving 30.Two grooves 32 and 33 nail mouth 34 and 35 lay respectively at the both sides of the longitudinal axis 36 of nail anvil grooving 30.Two grooves 32 of nail anvil grooving 30 and 33 are arranged on the longitudinal axis 36 of nail anvil grooving 30.Two grooves 32 of nail anvil grooving 30 and 33 nail mouth 34 and 35 are connected mutually.Each groove 32 or 33 longitudinal length are greater than 1/2nd of the longitudinal length of nail anvil grooving 30.
Fig. 9 means the W shape anastomosis staple of this utility model the first embodiment to the four embodiment and the 9th embodiment to the 12 embodiment: anastomosis staple 37 is comprised of a nail beam 38 and two nail lower limbs 39 and 40, and there are respectively nail tip 41 and 42 in two ends of following closely lower limb 39 and 40.The middle part of the nail beam 38 of anastomosis staple 37 protrudes 43 to the nail tip 41 of two nail lower limbs 39 and 40 and 42 direction, makes a nail beam 38 and two nail lower limbs 39 and 40 of anastomosis staple 37 be W shape.
Figure 10 to Figure 18 means anastomosis staple and the combination type grooving thereof of the surgical stapling of this utility model the first embodiment: ejector pin piece grooving 44 is vertically along ejector pin piece grooving 44 that the middle part is recessed 45,46 and 47 shape is protruded at two ends.There are sidewall 49 and 50 in the ejector pin piece grooving 44 both sides outside parallel with the longitudinal fluting 48 that W shape anastomosis staple 37 is installed.When ejector pin piece 51, the nail tip 41 and 42 of two of anastomosis staple 37 nail lower limbs 39 and 40 is penetrated respectively and clamped be pressed on nail anvil grooving 30 after (Figure 12) wait the tissue (not shown) that coincide, two nail lower limbs 39 and 40 of anastomosis staple 37 are respectively along 30 bendings of nail anvil grooving, make the nail tip 41 of two of anastomosis staple 37 nail lower limbs 39 and 40 and the both sides of 42 close nail beams 38, bend to two spiral shell larger spiral type 53 and 54 (Figure 13 to Figure 15) in footpath of Double-spiral anastomosis staple 52.if two nail lower limbs 39 and 40 nail tip 41 and the 42 larger Double-spiral anastomosis staples 52 in spiral shell footpath near nail beam 38 both sides are continued to release in nail bin (not shown) by ejector pin piece 51, the distance between the nail anvil grooving 30 of combination type grooving 55 and ejector pin piece grooving 44 constantly reduces, make two nail lower limbs 53 and 54 of the larger Double-spiral anastomosis staple 52 in spiral shell footpath under the constraint of the sidewall 49 of the nail beam 38 of Double-spiral anastomosis staple 52 and ejector pin piece grooving 44 and 50, the combination type grooving 55 that constantly reduces along spacing respectively continues crooked, two nail lower limbs 53 and 54 are bent to respectively two less spiral types 57 and 58 (Figure 16 and Figure 17) in spiral shell footpath of Double-spiral anastomosis staple 56.Figure 18 for complete coincide after, less Double-spiral anastomosis staple 56 stitchings in spiral shell footpath are in the shape of being organized by coincideing on (not shown).
Be vertically due to ejector pin piece grooving 44 along ejector pin piece grooving 44 that the middle part is recessed 45,46 and 47 shape is protruded at two ends, make two of Double-spiral anastomosis staple 52 nail lower limbs 53 and 54 under the constraint of ejector pin piece grooving 44 bending spiral type 57 and 58 spiral shell footpath less, be conducive to improve two clamping forces of following closely after lower limbs 53 and 54 bend to respectively spiral type 57 and 58 of Double-spiral anastomosis staple 52, but the Forming Resistance of anastomosis staple 37 is larger.
There are sidewall 49 and 50 in the both sides outside parallel with the longitudinal fluting 48 that anastomosis staple 37 is installed due to ejector pin piece grooving 44, make two of Double-spiral anastomosis staple 52 nail lower limbs 53 and 54 under the constraint of the sidewall 49 of the nail beam 38 of Double-spiral anastomosis staple 52 and ejector pin piece grooving 44 and 50 bending spiral type 57 and 58 pitch less, two nail lower limbs 53 and 54 that are conducive to improve Double-spiral anastomosis staple 52 bend to respectively the clamping forces behind spiral type 57 and 58.
Figure 19 to Figure 25 means anastomosis staple and the combination type grooving thereof of the surgical stapling of this utility model the second embodiment: ejector pin piece grooving 59 is vertically along ejector pin piece grooving 59 that the middle part is recessed 60,61 and 62 shape is protruded at two ends.The ejector pin piece grooving 59 both sides outside parallel with the longitudinal fluting 63 that W shape anastomosis staple 37 is installed is without sidewall.if the larger Double-spiral anastomosis staple 52 (Figure 22) in spiral shell footpath is continued to release in nail bin (not shown) by ejector pin piece 64, the distance between the nail anvil grooving 30 of combination type grooving 65 and ejector pin piece grooving 59 constantly reduces, make two nail lower limbs 53 and 54 of the larger Double-spiral anastomosis staple 52 in spiral shell footpath under the constraint of the nail beam 38 of Double-spiral anastomosis staple 52, the combination type grooving 65 that constantly reduces along spacing respectively continues crooked, two nail lower limbs 53 and 54 are bent to respectively two less spiral types 67 and 68 (Figure 23 and Figure 24) in spiral shell footpath of Double-spiral anastomosis staple 66.Figure 25 for complete coincide after, less Double-spiral anastomosis staple 66 stitchings in spiral shell footpath are in the shape of being organized by coincideing on (not shown).
Compare with the first embodiment, due to the ejector pin piece grooving 59 both sides outside parallel with the longitudinal fluting 63 that anastomosis staple 37 is installed without sidewall, make two of Double-spiral anastomosis staple 52 nail lower limbs 53 and 54 under the constraint of the nail beam 38 of Double-spiral anastomosis staple 52 bending spiral type 67 and 68 pitch larger, two nail lower limbs 53 and 54 that are conducive to reduce Double-spiral anastomosis staple 52 bend to respectively the clamping forces behind spiral type 67 and 68.
Figure 26 to Figure 32 means anastomosis staple and the combination type grooving thereof of the surgical stapling of this utility model the 3rd embodiment: Yi Bian ejector pin piece grooving 69 along vertically being of ejector pin piece grooving 69 protrude 70, another side has a down dip 71 shape gradually, the protrusion position 70 of ejector pin piece grooving 69 of longitudinal fluting 73 1 sides that wherein is positioned at ejector pin piece 72 is corresponding across the longitudinal fluting 73 of ejector pin piece 72 with the position 71 that has a down dip gradually of the ejector pin piece grooving 69 of longitudinal fluting 73 opposite sides that are positioned at ejector pin piece 72.There are sidewall 74 and 75 in the ejector pin piece grooving 69 both sides outside parallel with the longitudinal fluting 73 that W shape anastomosis staple 37 is installed.if the larger Double-spiral anastomosis staple 52 (Figure 29) in spiral shell footpath is continued to release in nail bin (not shown) by ejector pin piece 72, the distance between the nail anvil grooving 30 of combination type grooving 76 and ejector pin piece grooving 69 constantly reduces, make two nail lower limbs 53 and 54 of the larger Double-spiral anastomosis staple 52 in spiral shell footpath under the constraint of the sidewall 74 of the nail beam 38 of Double-spiral anastomosis staple 52 and ejector pin piece grooving 69 and 75, the combination type grooving 76 that constantly reduces along spacing respectively continues crooked, two nail lower limbs 53 and 54 are bent to respectively two less spiral types 78 and 79 (Figure 30 and Figure 31) in spiral shell footpath of Double-spiral anastomosis staple 77.Figure 32 for complete coincide after, less Double-spiral anastomosis staple 77 stitchings in spiral shell footpath are in the shape of being organized by coincideing on (not shown).
Compare with the first embodiment, due to ejector pin piece grooving 69 along vertically being of ejector pin piece grooving 69 protrude on one side 70, another side has a down dip 71 shape gradually, the two nail lower limbs 53 and 54 that make the larger Double-spiral anastomosis staple 52 in spiral shell footpath under the guiding of 71 the ejector pin piece grooving 69 of having a down dip gradually bending spiral type 78 and 79 spiral shell footpath larger, two nail lower limbs 53 and 54 that are conducive to reduce Double-spiral anastomosis staple 52 bend to respectively clamping force behind spiral type 78 and 79 and the Forming Resistance of anastomosis staple 37.
Figure 33 to Figure 39 means anastomosis staple and the combination type grooving thereof of the surgical stapling of this utility model the 4th embodiment: Yi Bian ejector pin piece grooving 80 along vertically being of ejector pin piece grooving 80 protrude 81, another side has a down dip 82 shape gradually, the protrusion position 81 of ejector pin piece grooving 80 of longitudinal fluting 84 1 sides that wherein is positioned at ejector pin piece 83 is corresponding across the longitudinal fluting 84 of ejector pin piece 83 with the position 82 that has a down dip gradually of the ejector pin piece grooving 80 of longitudinal fluting 84 opposite sides that are positioned at ejector pin piece 83.The ejector pin piece grooving 80 both sides outside parallel with the longitudinal fluting 84 that W shape anastomosis staple 37 is installed is without sidewall.if the larger Double-spiral anastomosis staple 52 (Figure 36) in spiral shell footpath is continued to release in nail bin (not shown) by ejector pin piece 83, the distance between the nail anvil grooving 30 of combination type grooving 85 and ejector pin piece grooving 80 constantly reduces, make two nail lower limbs 53 and 54 of the larger Double-spiral anastomosis staple 52 in spiral shell footpath under the constraint of the nail beam 38 of Double-spiral anastomosis staple 52, the combination type grooving 85 that constantly reduces along spacing respectively continues crooked, two nail lower limbs 53 and 54 are bent to respectively two less spiral types 87 and 88 (Figure 37 and Figure 38) in spiral shell footpath of Double-spiral anastomosis staple 86.Figure 39 for complete coincide after, less Double-spiral anastomosis staple 86 stitchings in spiral shell footpath are in the shape of being organized by coincideing on (not shown).
Compare with the second embodiment, due to ejector pin piece grooving 80 along vertically being of ejector pin piece grooving 80 protrude on one side 81, another side has a down dip 82 shape gradually, the two nail lower limbs 53 and 54 that make the larger Double-spiral anastomosis staple 52 in spiral shell footpath under the guiding of 82 the ejector pin piece grooving 80 of having a down dip gradually bending spiral type 87 and 88 spiral shell footpath larger, two nail lower limbs 53 and 54 that are conducive to reduce Double-spiral anastomosis staple 52 bend to respectively clamping force behind spiral type 87 and 88 and the Forming Resistance of anastomosis staple 37.
Compare with the 3rd embodiment, due to the ejector pin piece grooving 80 both sides outside parallel with the longitudinal fluting 84 that anastomosis staple 37 is installed without sidewall, the two nail lower limbs 53 and 54 that make the larger Double-spiral anastomosis staple 52 in spiral shell footpath under the constraint of the nail beam 38 of Double-spiral anastomosis staple 52 bending spiral type 87 and 88 pitch larger, two nail lower limbs 53 and 54 that are conducive to reduce Double-spiral anastomosis staple 52 bend to respectively the clamping forces behind spiral type 87 and 88.
Figure 40 represents the U-shaped anastomosis staple of this utility model the 5th embodiment to the eight embodiment and the 13 embodiment to the 16 embodiment: anastomosis staple 89 is comprised of a nail beam 90 and two nail lower limbs 91 and 92, and there are respectively nail tip 93 and 94 in two ends of following closely lower limb 91 and 92.The nail beam 90 of anastomosis staple 89 is straight, makes a nail beam 90 and two nail lower limbs 91 and 92 of anastomosis staple 89 take the shape of the letter U.Compare with anastomosis staple 37, because one of anastomosis staple 89 nail beam 90 and two nail lower limbs 91 and 92 take the shape of the letter U, does not protrude to the nail tip 93 of two nail lower limbs 91 and 92 and 94 direction at the middle part of the nail beam 90 of anastomosis staple 89, gap after making anastomosis staple 89 be shaped between nail beam 90 and nail lower limb is larger, is conducive to reduce by two clamping forces of following closely after lower limbs 91 and 92 bend to respectively spiral type of anastomosis staple 89.
Figure 41 to Figure 49 means anastomosis staple and the combination type grooving thereof of the surgical stapling of this utility model the 5th embodiment: ejector pin piece grooving 95 is vertically along ejector pin piece grooving 95 that the middle part is recessed 96,97 and 98 shape is protruded at two ends.There are sidewall 100 and 101 in the ejector pin piece grooving 95 both sides outside parallel with the longitudinal fluting 99 that U-shaped anastomosis staple 89 is installed.when ejector pin piece 102, the nail tip 93 and 94 of two of anastomosis staple 89 nail lower limbs 91 and 92 is penetrated respectively and clamped be pressed on nail anvil grooving 30 after (Figure 43) wait the tissue (not shown) that coincide, two of anastomosis staple 89 nail lower limbs 91 and 92 are respectively along two grooves 32 and 33 bendings of nail anvil grooving 30, the nail tip 93 and 94 that makes two of anastomosis staple 89 nail lower limbs 91 and 92 is respectively near the both sides of the nail beam 90 of anastomosis staple 89, two nail lower limbs 91 and 92 bend to respectively spiral type 103 and the 104 larger Double-spiral anastomosis staples 105 (Figure 44 to Figure 46) in rear formation spiral shell footpath.if the larger Double-spiral anastomosis staple 105 in spiral shell footpath is continued to release in nail bin (not shown) by ejector pin piece 102, the distance between the nail anvil grooving 30 of combination type grooving 106 and ejector pin piece grooving 95 constantly reduces, make two nail lower limbs 103 and 104 of the larger Double-spiral anastomosis staple 105 in spiral shell footpath under the constraint of the sidewall 100 of the nail beam 90 of Double-spiral anastomosis staple 105 and ejector pin piece grooving 95 and 101, the combination type grooving 106 that constantly reduces along spacing respectively continues crooked, two nail lower limbs 103 and 104 are bent to respectively two less spiral types 108 and 109 (Figure 47 and Figure 48) in spiral shell footpath of Double-spiral anastomosis staple 107.Figure 49 for complete coincide after, less Double-spiral anastomosis staple 107 stitchings in spiral shell footpath are in the shape of being organized by coincideing on (not shown).
Be vertically due to ejector pin piece grooving 95 along ejector pin piece grooving 95 that the middle part is recessed 96,97 and 98 shape is protruded at two ends, make two of Double-spiral anastomosis staple 105 nail lower limbs 103 and 104 under the constraint of ejector pin piece grooving 95 bending spiral type 108 and 109 spiral shell footpath less, be conducive to improve two clamping forces of following closely after lower limbs 103 and 104 bend to respectively spiral type 108 and 109 of Double-spiral anastomosis staple 105, but the Forming Resistance of anastomosis staple 89 is larger.
There are sidewall 100 and 101 in the both sides outside parallel with the longitudinal fluting 99 that anastomosis staple 89 is installed due to ejector pin piece grooving 95, make two of anastomosis staple 89 nail lower limbs 91 and 92 under the constraint of the sidewall 100 of the nail beam 90 of Double-spiral anastomosis staple 105 and ejector pin piece grooving 95 and 101 bending spiral type 108 and 109 pitch less, two nail lower limbs 103 and 104 that are conducive to improve Double-spiral anastomosis staple 105 bend to respectively the clamping forces behind spiral type 108 and 109.
Figure 50 to Figure 56 means anastomosis staple and the combination type grooving thereof of the surgical stapling of this utility model the 6th embodiment: ejector pin piece grooving 110 is vertically along ejector pin piece grooving 110 that the middle part is recessed 111,112 and 113 shape is protruded at two ends.The ejector pin piece grooving 110 both sides outside parallel with the longitudinal fluting 114 that U-shaped anastomosis staple 89 is installed is without sidewall.if the larger Double-spiral anastomosis staple 105 (Figure 53) in spiral shell footpath is continued to release in the nail bin (not shown) by ejector pin piece 115, the distance between the nail anvil grooving 30 of combination type grooving 116 and ejector pin piece grooving 110 constantly reduces, make two nail lower limbs 103 and 104 of the larger Double-spiral anastomosis staple 105 in spiral shell footpath under the constraint of the nail beam 90 of Double-spiral anastomosis staple 105, the combination type grooving 116 that constantly reduces along spacing respectively continues crooked, two nail lower limbs 103 and 104 are bent to respectively two less spiral types 118 and 119 (Figure 54 and Figure 55) in spiral shell footpath of Double-spiral anastomosis staple 117.Figure 56 for complete coincide after, less Double-spiral anastomosis staple 117 stitchings in spiral shell footpath are in the shape of being organized by coincideing on (not shown).
Compare with the 5th embodiment, due to the ejector pin piece grooving 110 both sides outside parallel with the longitudinal fluting 114 that anastomosis staple 89 is installed without sidewall, make two of Double-spiral anastomosis staple 105 nail lower limbs 103 and 104 under the constraint of the nail beam 90 of Double-spiral anastomosis staple 105 bending spiral type 118 and 119 pitch larger, two nail lower limbs 103 and 104 that are conducive to reduce Double-spiral anastomosis staple 105 bend to respectively the clamping forces behind spiral type 118 and 119.
Figure 57 to Figure 63 means anastomosis staple and the combination type grooving thereof of the surgical stapling of this utility model the 7th embodiment: Yi Bian ejector pin piece grooving 120 along vertically being of ejector pin piece grooving 120 protrude 121, another side has a down dip 122 shape gradually, the protrusion position 121 of ejector pin piece grooving 120 of longitudinal fluting 124 1 sides that wherein is positioned at ejector pin piece 123 is corresponding across the longitudinal fluting 124 of ejector pin piece 123 with the position 122 that has a down dip gradually of the ejector pin piece grooving 120 of longitudinal fluting 124 opposite sides that are positioned at ejector pin piece 123.There are sidewall 125 and 126 in the ejector pin piece grooving 120 both sides outside parallel with the longitudinal fluting 123 that U-shaped anastomosis staple 89 is installed.if the larger Double-spiral anastomosis staple 105 (Figure 60) in spiral shell footpath is continued to release in the nail bin (not shown) by ejector pin piece 123, the distance between the nail anvil grooving 30 of combination type grooving 127 and ejector pin piece grooving 120 constantly reduces, make two nail lower limbs 103 and 104 of the larger Double-spiral anastomosis staple 105 in spiral shell footpath under the constraint of the sidewall 125 of the nail beam 90 of Double-spiral anastomosis staple 105 and ejector pin piece grooving 120 and 126, the combination type grooving 127 that constantly reduces along spacing respectively continues crooked, two nail lower limbs 103 and 104 are bent to respectively two less spiral types 129 and 130 (Figure 61 and Figure 62) in spiral shell footpath of Double-spiral anastomosis staple 128.Figure 63 for complete coincide after, less Double-spiral anastomosis staple 128 stitchings in spiral shell footpath are in the shape of being organized by coincideing on (not shown).
Compare with the 5th embodiment, due to ejector pin piece grooving 120 along vertically being of ejector pin piece grooving 120 protrude on one side 121, another side has a down dip 122 shape gradually, make two of Double-spiral anastomosis staple 105 nail lower limbs 103 and 104 under the guiding of 122 the ejector pin piece grooving 120 of having a down dip gradually bending spiral type 129 and 130 spiral shell footpath larger, two nail lower limbs 103 and 104 that are conducive to reduce Double-spiral anastomosis staple 105 bend to respectively clamping force behind spiral type 129 and 130 and the Forming Resistance of anastomosis staple 37.
Figure 64 to Figure 70 means anastomosis staple and the combination type grooving thereof of the surgical stapling of this utility model the 8th embodiment: Yi Bian ejector pin piece grooving 131 along vertically being of ejector pin piece grooving 131 protrude 132, another side has a down dip 133 shape gradually, the protrusion position 132 of ejector pin piece grooving 131 of longitudinal fluting 135 1 sides that wherein is positioned at ejector pin piece 134 is corresponding across the longitudinal fluting 135 of ejector pin piece 134 with the position 133 that has a down dip gradually of the ejector pin piece grooving 131 of longitudinal fluting 135 opposite sides that are positioned at ejector pin piece 134.The ejector pin piece grooving 131 both sides outside parallel with the longitudinal fluting 135 that U-shaped anastomosis staple 89 is installed is without sidewall.if the larger Double-spiral anastomosis staple 105 (Figure 67) in spiral shell footpath is continued to release in the nail bin (not shown) by ejector pin piece 134, the distance between the nail anvil grooving 30 of combination type grooving 136 and ejector pin piece grooving 131 constantly reduces, make two nail lower limbs 103 and 104 of the larger Double-spiral anastomosis staple 105 in spiral shell footpath under the constraint of the nail beam 89 of Double-spiral anastomosis staple 105, the combination type grooving 136 that constantly reduces along spacing respectively continues crooked, two nail lower limbs 103 and 104 are bent to respectively two less spiral types 138 and 139 (Figure 68 and Figure 69) in spiral shell footpath of Double-spiral anastomosis staple 137.Figure 70 for complete coincide after, less Double-spiral anastomosis staple 137 stitchings in spiral shell footpath are in the shape of being organized by coincideing on (not shown).
Compare with the 6th embodiment, due to ejector pin piece grooving 131 along vertically being of ejector pin piece grooving 131 protrude on one side 132, another side has a down dip 133 shape gradually, make two of Double-spiral anastomosis staple 105 nail lower limbs 103 and 104 under the guiding of 133 the ejector pin piece grooving 131 of having a down dip gradually bending spiral type 138 and 139 spiral shell footpath larger, two nail lower limbs 103 and 104 that are conducive to reduce Double-spiral anastomosis staple 105 bend to respectively clamping force behind spiral type 138 and 139 and the Forming Resistance of anastomosis staple 37.
Compare with the 7th embodiment, due to the ejector pin piece grooving 131 both sides outside parallel with the longitudinal fluting 135 that anastomosis staple 89 is installed without sidewall, make two of Double-spiral anastomosis staple 105 nail lower limbs 103 and 104 under the constraint of the nail beam 90 of Double-spiral anastomosis staple 105 bending spiral type 138 and 139 pitch larger, two nail lower limbs 103 and 104 that are conducive to reduce Double-spiral anastomosis staple 105 bend to respectively the clamping forces behind spiral type 138 and 139.
Figure 71 means the nail anvil grooving of this utility model the 9th embodiment to the 16 embodiment: nail anvil grooving 140 is comprised of lip-deep two grooves 142 and 143 of nail anvil 141.Two grooves 142 and 143 have respectively nail mouth 144 and 145 at the middle part of nail anvil grooving 140.Two grooves 142 of nail anvil grooving 140 and 143 are arranged on the longitudinal axis 146 of nail anvil grooving 140.Two grooves 142 and 143 nail mouth 144 and 145 are connected on the longitudinal axis 146 of nail anvil grooving 140 mutually.When identical grip thickness, the groove 142 of the nail anvil grooving 140 of the 9th embodiment to the 16 embodiment and 143 longitudinal length are shorter than the longitudinal length of the groove 32 of the nail anvil grooving 30 of the first embodiment to the eight embodiment and 33, the radius of curvature that makes anastomosis staple be shaped is less, makes the Forming Resistance of anastomosis staple larger.
Figure 72 to Figure 79 means anastomosis staple and the combination type grooving thereof of the surgical stapling of this utility model the 9th embodiment: ejector pin piece grooving 147 is along the shape that vertically is middle part 148 and two ends protrusion 149 and 150 of ejector pin piece grooving 147.There are sidewall 152 and 153 in the ejector pin piece grooving 147 both sides outside parallel with the longitudinal fluting 151 that W shape anastomosis staple 37 is installed.When ejector pin piece 154, the nail tip 41 and 42 of two of anastomosis staple 37 nail lower limbs 39 and 40 is penetrated respectively and clamped be pressed on nail anvil grooving 140 after (Figure 74) wait the tissue (not shown) that coincide, two nail lower limbs 39 and 40 of anastomosis staple 37 are respectively along 140 bendings of nail anvil grooving, make two nail tip 41 and 42 close 38, two nail lower limbs 39 and 40 of nail beams of following closely lower limb 39 and 40 of anastomosis staple 37 bend to respectively annular 155 and 156 rear formation B shape anastomosis staple 157 (Figure 75 and Figure 76).If B shape anastomosis staple 157 is continued to release in the nail bin (not shown) by ejector pin piece 154, the distance between the nail anvil grooving 140 of combination type grooving 158 and ejector pin piece grooving 147 constantly reduces, make two of anastomosis staple 157 nail lower limbs 155 and 156 under the constraint of the sidewall 152 of the nail beam 38 of anastomosis staple 157 and ejector pin piece grooving 147 and 153, the combination type grooving 158 that constantly reduces along spacing respectively continues crooked, two nail lower limbs 155 and 156 is bent to respectively the spiral type 160 and 161 (Figure 77 and Figure 78) of Double-spiral anastomosis staple 159.Figure 79 for complete coincide after, 159 stitchings of Double-spiral anastomosis staple are in the shape of being organized by coincideing on (not shown).
Due to the shapes that vertically are middle part 148 and two ends 149 and 150 protrusions of ejector pin piece grooving 147 along ejector pin piece grooving 147, make two of anastomosis staple 37 nail lower limbs 39 and 40 under the guiding of longitudinal middle part 148 and two ends 149 and the 150 ejector pin piece groovings 147 that protrude bending spiral type 160 and 161 spiral shell footpath less, be conducive to improve two clamping forces of following closely after lower limbs 155 and 156 bend to respectively spiral type 160 and 161 of B shape anastomosis staple 157, but the Forming Resistance of B shape anastomosis staple 157 is larger.
There are sidewall 152 and 153 in the both sides outside parallel with the longitudinal fluting 151 that anastomosis staple 37 is installed due to ejector pin piece grooving 147, make two of anastomosis staple 37 nail lower limbs 39 and 40 under the constraint of the sidewall 152 of the nail beam 38 of anastomosis staple 37 and ejector pin piece grooving 147 and 153 bending spiral type 160 and 161 pitch less, two nail lower limbs 155 and 156 that are conducive to improve B shape anastomosis staple 157 bend to respectively the clamping forces behind spiral type 160 and 161.
Figure 80 to Figure 86 means anastomosis staple and the combination type grooving thereof of the surgical stapling of this utility model the tenth embodiment: ejector pin piece grooving 162 is along the shapes that vertically are middle part 163 and two ends 164 and 165 protrusions of ejector pin piece grooving 162.The ejector pin piece grooving 162 both sides outside parallel with the longitudinal fluting 166 that W shape anastomosis staple 37 is installed is without sidewall.If B shape anastomosis staple 157 (Figure 83) is continued to release in the nail bin (not shown) by ejector pin piece 167, the distance between the nail anvil grooving 140 of combination type grooving 168 and ejector pin piece grooving 162 constantly reduces, make two of anastomosis staple 157 nail lower limbs 155 and 156 only under the constraint of the nail beam 38 of anastomosis staple 157, the combination type grooving 168 that constantly reduces along spacing respectively continues crooked, two nail lower limbs 155 and 156 is bent to respectively two spiral types 170 and 171 (Figure 84 and Figure 85) of Double-spiral anastomosis staple 169.Figure 86 for complete coincide after, 169 stitchings of Double-spiral anastomosis staple are in the shape of being organized by coincideing on (not shown).
Compare with the 9th embodiment, due to the ejector pin piece grooving 162 both sides outside parallel with the longitudinal fluting 166 that anastomosis staple 37 is installed without sidewall, make two of anastomosis staple 157 nail lower limbs 155 and 156 only under the constraint of the nail beam 38 of anastomosis staple 157 bending spiral type 170 and 171 pitch larger, two nail lower limbs 155 and 156 that are conducive to reduce B shape anastomosis staple 157 bend to respectively the clamping forces behind spiral type 170 and 171.
Figure 87 to Figure 93 means anastomosis staple and the combination type grooving thereof of the surgical stapling of this utility model the 11 embodiment: ejector pin piece grooving 172 is along be vertically that the middle part protrudes 173, both sides have a down dip gradually 174 and 175 the shape of ejector pin piece grooving 172.There are sidewall 177 and 178 in the ejector pin piece grooving 172 both sides outside parallel with the longitudinal fluting 176 that W shape anastomosis staple 37 is installed.if B shape anastomosis staple 157 (Figure 90) is continued to release in the nail bin (not shown) by ejector pin piece 179, the distance between the nail anvil grooving 140 of combination type grooving 180 and ejector pin piece grooving 172 constantly reduces, make two of anastomosis staple 157 nail lower limbs 155 and 156 under the constraint of the sidewall 177 of the nail beam 38 of anastomosis staple 157 and ejector pin piece grooving 172 and 178, the combination type grooving 180 that constantly reduces along spacing respectively continues crooked, two nail lower limbs 155 and 156 are bent to respectively two spiral types 182 and 183 (Figure 91 and Figure 92) of Double-spiral anastomosis staple 181.Figure 93 for complete coincide after, 181 stitchings of Double-spiral anastomosis staple are in the shape of being organized by coincideing on (not shown).
Compare with the 9th embodiment, due to vertically be middle part protrude 173, both sides gradually have a down dip 174 and 175 the shape of ejector pin piece grooving 172 along ejector pin piece grooving 172, make two of anastomosis staple 157 nail lower limbs 155 and 156 under the guiding of 174 and 175 the ejector pin piece grooving 172 of having a down dip gradually bending spiral type 182 and 183 spiral shell footpath larger, two nail lower limbs 155 and 156 that are conducive to reduce B shape anastomosis staple 157 bend to respectively clamping force behind spiral type 182 and 183 and the Forming Resistance of anastomosis staple 157.
Figure 94 to Figure 100 means anastomosis staple and the combination type grooving thereof of the surgical stapling of this utility model the 12 embodiment: ejector pin piece grooving 184 is along be vertically that the middle part protrudes 185, both sides have a down dip gradually 186 and 187 the shape of ejector pin piece grooving 184.The ejector pin piece grooving 184 both sides outside parallel with the longitudinal fluting 188 that W shape anastomosis staple 37 is installed is without sidewall.If B shape anastomosis staple 157 (Figure 97) is continued to release in the nail bin (not shown) by ejector pin piece 189, the distance between the nail anvil grooving 140 of combination type grooving 190 and ejector pin piece grooving 184 constantly reduces, make two of anastomosis staple 157 nail lower limbs 155 and 156 under the constraint of the nail beam 38 of anastomosis staple 157, the combination type grooving 190 that constantly reduces along spacing respectively continues crooked, two nail lower limbs 155 and 156 is bent to respectively two spiral types 192 and 193 (Figure 98 and Figure 99) of Double-spiral anastomosis staple 191.Figure 100 for complete coincide after, 191 stitchings of Double-spiral anastomosis staple are in the shape of being organized by coincideing on (not shown).
Compare with the tenth embodiment, due to vertically be middle part protrude 185, both sides gradually have a down dip 186 and 187 the shape of ejector pin piece grooving 184 along ejector pin piece grooving 184, make two of anastomosis staple 157 nail lower limbs 155 and 156 under the guiding of 186 and 187 the ejector pin piece grooving 184 of having a down dip gradually bending spiral type 192 and 193 spiral shell footpath larger, two nail lower limbs 155 and 156 that are conducive to reduce B shape anastomosis staple 157 bend to respectively clamping force behind spiral type 192 and 193 and the Forming Resistance of anastomosis staple.
Compare with the 11 embodiment, due to the ejector pin piece grooving 184 both sides outside parallel with the longitudinal fluting 188 that anastomosis staple 37 is installed without sidewall, make two of anastomosis staple 157 nail lower limbs 155 and 156 under the constraint of the nail beam 38 of anastomosis staple 157 bending spiral type 192 and 193 pitch larger, two nail lower limbs 155 and 156 that are conducive to reduce B shape anastomosis staple 157 bend to respectively the clamping forces behind spiral type 192 and 193.
Figure 101 to Figure 108 means anastomosis staple and the combination type grooving thereof of the surgical stapling of this utility model the 13 embodiment: ejector pin piece grooving 194 is along the shapes that vertically are middle part 195 and two ends 196 and 197 protrusions of ejector pin piece grooving 194.There are sidewall 199 and 200 in the ejector pin piece grooving 194 both sides outside parallel with the longitudinal fluting 198 that U-shaped anastomosis staple 89 is installed.When ejector pin piece 201, the nail tip 93 and 94 of two of anastomosis staple 89 nail lower limbs 91 and 92 is penetrated respectively and clamped be pressed on nail anvil grooving 140 after (Figure 103) wait the tissue (not shown) that coincide, two of anastomosis staple 89 nail lower limbs 91 and 92 are respectively along two grooves 142 and 143 bendings of nail anvil grooving 140, make two nail tips 93 and 94 of following closely lower limb 91 and 92 of anastomosis staple 89 bend to respectively annular 202 and 203 rear formation B shape anastomosis staple 204 (Figure 104 and Figure 105) near 90, two nail lower limbs 91 and 92 of nail beam of anastomosis staple 89 respectively.if B shape anastomosis staple 204 is continued to release in the nail bin (not shown) by ejector pin piece 201, the distance between the nail anvil grooving 140 of combination type grooving 205 and ejector pin piece grooving 194 constantly reduces, make two of anastomosis staple 204 nail lower limbs 202 and 203 under the constraint of the sidewall 199 of the nail beam 90 of anastomosis staple 204 and ejector pin piece grooving 194 and 200, the combination type grooving 205 that constantly reduces along spacing respectively continues crooked, two nail lower limbs 202 and 203 are bent to respectively two spiral types 207 and 208 (Figure 106 and Figure 107) of Double-spiral anastomosis staple 206.Figure 108 for complete coincide after, 206 stitchings of Double-spiral anastomosis staple are in the shape of being organized by coincideing on (not shown).
Due to the shapes that vertically are middle part 195 and two ends 196 and 197 protrusions of ejector pin piece grooving 194 along ejector pin piece grooving 194, make two of anastomosis staple 204 nail lower limbs 202 and 203 under the guiding of longitudinal middle part 195 and two ends 196 and the 197 ejector pin piece groovings 194 that protrude bending spiral type 207 and 208 spiral shell footpath less, be conducive to improve two clamping forces of following closely after lower limbs 202 and 203 bend to respectively spiral type 207 and 208 of Double-spiral anastomosis staple 204, but the Forming Resistance of B shape anastomosis staple 204 is larger.
There are sidewall 199 and 200 in the both sides outside parallel with the longitudinal fluting 198 that anastomosis staple 89 is installed due to ejector pin piece grooving 194, make two of anastomosis staple 204 nail lower limbs 202 and 203 under the constraint of the sidewall 199 of the nail beam 90 of anastomosis staple 204 and ejector pin piece grooving 194 and 200 bending spiral type 207 and 208 pitch less, two nail lower limbs 202 and 203 that are conducive to improve Double-spiral anastomosis staple 204 bend to respectively the clamping forces behind spiral type 207 and 208.
Figure 109 to Figure 115 means anastomosis staple and the combination type grooving thereof of the surgical stapling of this utility model the 14 embodiment: ejector pin piece grooving 209 is along the shapes that vertically are middle part 210 and two ends 211 and 212 protrusions of ejector pin piece grooving 209.The ejector pin piece grooving 209 both sides outside parallel with the longitudinal fluting 213 that U-shaped anastomosis staple 89 is installed is without sidewall.If B shape anastomosis staple 204 (Figure 112) is continued to release in the nail bin (not shown) by ejector pin piece 214, the distance between the nail anvil grooving 140 of combination type grooving 215 and ejector pin piece grooving 209 constantly reduces, make two of anastomosis staple 204 nail lower limbs 202 and 203 under the constraint of the nail beam 90 of anastomosis staple 204, the combination type grooving 215 that constantly reduces along spacing respectively continues crooked, two nail lower limbs 202 and 203 is bent to respectively two spiral types 217 and 218 (Figure 113 and Figure 114) of Double-spiral anastomosis staple 216.Figure 115 for complete coincide after, 216 stitchings of Double-spiral anastomosis staple are in the shape of being organized by coincideing on (not shown).
Compare with the 13 embodiment, due to the ejector pin piece grooving 209 both sides outside parallel with the longitudinal fluting 213 that anastomosis staple 89 is installed without sidewall, make two of anastomosis staple 204 nail lower limbs 202 and 203 under the constraint of the nail beam 90 of anastomosis staple 204 bending spiral type 217 and 218 pitch larger, two nail lower limbs 202 and 203 that are conducive to reduce B shape anastomosis staple 204 bend to respectively the clamping forces behind spiral type 217 and 218.
Figure 116 to Figure 122 means anastomosis staple and the combination type grooving thereof of the surgical stapling of this utility model the 15 embodiment: ejector pin piece grooving 219 is along be vertically that the middle part protrudes 220, both sides have a down dip gradually 221 and 222 the shape of ejector pin piece grooving 219.There are sidewall 224 and 225 in the ejector pin piece grooving 219 both sides outside parallel with the longitudinal fluting 223 that U-shaped anastomosis staple 89 is installed.if B shape anastomosis staple 204 (Figure 119) is continued to release in the nail bin (not shown) by ejector pin piece 226, the distance between the nail anvil grooving 140 of combination type grooving 227 and ejector pin piece grooving 219 constantly reduces, make two of anastomosis staple 204 nail lower limbs 202 and 203 under the constraint of the sidewall 224 of the nail beam 90 of anastomosis staple 204 and ejector pin piece grooving 219 and 225, the combination type grooving 227 that constantly reduces along spacing respectively continues crooked, two nail lower limbs 202 and 203 are bent to respectively two spiral types 229 and 230 (Figure 120 and Figure 121) of Double-spiral anastomosis staple 228.Figure 122 for complete coincide after, 228 stitchings of Double-spiral anastomosis staple are in the shape of being organized by coincideing on (not shown).
Compare with the 13 embodiment, due to vertically be middle part protrude 220, both sides gradually have a down dip 221 and 222 the shape of ejector pin piece grooving 219 along ejector pin piece grooving 219, make two of anastomosis staple 204 nail lower limbs 202 and 203 under the guiding of 221 and 222 the ejector pin piece grooving 219 of having a down dip gradually bending spiral type 229 and 230 spiral shell footpath larger, two nail lower limbs 202 and 203 that are conducive to reduce B shape anastomosis staple 204 bend to respectively clamping force behind spiral type 229 and 230 and the Forming Resistance of anastomosis staple.
Figure 123 to Figure 129 means anastomosis staple and the combination type grooving thereof of the surgical stapling of this utility model the 16 embodiment: ejector pin piece grooving 231 is along be vertically that the middle part protrudes 232, both sides have a down dip gradually 233 and 234 the shape of ejector pin piece grooving 231.The ejector pin piece grooving 231 both sides outside parallel with the longitudinal fluting 235 that U-shaped anastomosis staple 89 is installed is without sidewall.If B shape anastomosis staple 204 (Figure 126) is continued to release in the nail bin (not shown) by ejector pin piece 236, the distance between the nail anvil grooving 140 of combination type grooving 237 and ejector pin piece grooving 231 constantly reduces, make two of anastomosis staple 204 nail lower limbs 202 and 203 under the constraint of the nail beam 90 of anastomosis staple 204, the combination type grooving 237 that constantly reduces along spacing respectively continues crooked, two nail lower limbs 202 and 203 is bent to respectively two spiral types 239 and 240 (Figure 127 and Figure 128) of Double-spiral anastomosis staple 238.Figure 129 for complete coincide after, 238 stitchings of Double-spiral anastomosis staple are in the shape of being organized by coincideing on (not shown).
Compare with the 14 embodiment, due to vertically be middle part protrude 232, both sides gradually have a down dip 233 and 234 the shape of ejector pin piece grooving 231 along ejector pin piece grooving 231, make two of anastomosis staple 204 nail lower limbs 202 and 203 under the guiding of 233 and 234 the ejector pin piece grooving 231 of having a down dip gradually bending spiral type 239 and 240 spiral shell footpath larger, two nail lower limbs 202 and 203 that are conducive to reduce B shape anastomosis staple 204 bend to respectively clamping force behind spiral type 239 and 240 and the Forming Resistance of anastomosis staple 204.
Compare with the 15 embodiment, due to the ejector pin piece grooving 231 both sides outside parallel with the longitudinal fluting 234 that anastomosis staple 89 is installed without sidewall, make two of anastomosis staple 204 nail lower limbs 202 and 203 under the constraint of the nail beam 90 of anastomosis staple 204 bending spiral type 239 and 240 pitch larger, two nail lower limbs 202 and 203 that are conducive to reduce B shape anastomosis staple 204 bend to respectively the clamping forces behind spiral type 239 and 240.
The ejector pin piece grooving that the ejector pin piece grooving that ejector pin piece grooving in the anastomosis staple of surgical stapling of the present utility model and combination type grooving thereof also can be positioned at longitudinal fluting one side of ejector pin piece adopts above-mentioned wherein a kind of embodiment, be positioned at the longitudinal fluting opposite side of ejector pin piece adopts above-mentioned wherein another kind of embodiment, makes the ejector pin piece grooving that is positioned at ejector pin piece both sides of the anastomosis staple of surgical stapling of the present utility model and combination type grooving thereof reach separately the technique effect of the ejector pin piece grooving of above-mentioned corresponding embodiment.As an example of ejector pin piece that the U-shaped anastomosis staple is installed example (the ejector pin piece that W shape anastomosis staple is installed can be similarly):
As shown in Figure 130, the 17 embodiment that the two side is arranged be positioned at ejector pin piece 241 longitudinal fluting one side ejector pin piece grooving along ejector pin piece grooving vertically be the shape that the middle part is recessed, protrude at two ends, be positioned at the ejector pin piece grooving of longitudinal fluting opposite side of ejector pin piece 241 along vertically being on one side of ejector pin piece grooving protrudes, another side has a down dip gradually shape.
As shown in Figure 131, without the 18 embodiment of sidewall be positioned at ejector pin piece 242 longitudinal fluting one side ejector pin piece grooving along ejector pin piece grooving vertically be the shape that the middle part is recessed, protrude at two ends, be positioned at the ejector pin piece grooving of longitudinal fluting opposite side of ejector pin piece 242 along vertically being on one side of ejector pin piece grooving protrudes, another side has a down dip gradually shape.
As shown in Figure 132, the 19 embodiment that the two side is arranged be positioned at ejector pin piece 243 longitudinal fluting one side ejector pin piece grooving along ejector pin piece grooving vertically be the shape that protrude at middle part and two ends, the ejector pin piece grooving of longitudinal fluting opposite side that is positioned at ejector pin piece 243 vertically is along ejector pin piece grooving the shape that middle part protrusion, both sides have a down dip gradually.
As shown in Figure 133, without the 20 embodiment of sidewall be positioned at ejector pin piece 244 longitudinal fluting one side ejector pin piece grooving along ejector pin piece grooving vertically be the shape that protrude at middle part and two ends, the ejector pin piece grooving of longitudinal fluting opposite side that is positioned at ejector pin piece 244 vertically is along ejector pin piece grooving the shape that middle part protrusion, both sides have a down dip gradually.
The ejector pin piece grooving of the ejector pin piece both sides in the anastomosis staple of surgical stapling of the present utility model and combination type grooving thereof can also be in the outside parallel with the longitudinal fluting that anastomosis staple is installed, one side has sidewall, opposite side without sidewall, makes the ejector pin piece grooving that is positioned at ejector pin piece both sides of the anastomosis staple of surgical stapling of the present utility model and combination type grooving thereof reach separately the technique effect of the ejector pin piece grooving of above-mentioned corresponding embodiment.As an example of ejector pin piece that the U-shaped anastomosis staple is installed example (the ejector pin piece that W shape anastomosis staple is installed can be similarly):
As shown in Figure 134, the 21 embodiment be positioned at ejector pin piece 245 longitudinal fluting one side the ejector pin piece grooving that sidewall is arranged along ejector pin piece grooving vertically be the shape that the middle part is recessed, protrude at two ends, be positioned at ejector pin piece 245 the longitudinal fluting opposite side vertically be along ejector pin piece grooving the shape that the middle part is recessed, protrude at two ends without the ejector pin piece grooving of sidewall.
As shown in Figure 135, the 22 embodiment be longitudinal fluting one side that is positioned at ejector pin piece 246 ejector pin piece grooving that sidewall arranged along ejector pin piece grooving vertically be the shape that the middle part is recessed, protrude at two ends, the longitudinal fluting opposite side that is positioned at ejector pin piece 246 without the ejector pin piece grooving of sidewall along vertically being on one side of ejector pin piece grooving protrudes, another side has a down dip gradually shape.
As shown in Figure 136, the 23 embodiment be longitudinal fluting one side that is positioned at ejector pin piece 247 without the ejector pin piece grooving of sidewall along ejector pin piece grooving vertically be the shape that the middle part is recessed, protrude at two ends, the ejector pin piece grooving that the longitudinal fluting opposite side that is positioned at ejector pin piece 247 has a sidewall is along vertically being on one side of ejector pin piece grooving protrudes, another side has a down dip gradually shape.
As shown in Figure 137, the 24 embodiment is positioned at the ejector pin piece grooving that sidewall is arranged of longitudinal fluting one side of ejector pin piece 248 along the shape that vertically being on one side of ejector pin piece grooving protrudes, another side has a down dip gradually, be positioned at ejector pin piece 248 the longitudinal fluting opposite side without the ejector pin piece grooving of sidewall along vertically being on one side of ejector pin piece grooving protrudes, another side has a down dip gradually shape.
As shown in Figure 138, the 25 embodiment be positioned at ejector pin piece 249 longitudinal fluting one side the ejector pin piece grooving that sidewall is arranged along ejector pin piece grooving vertically be the shape that protrude at middle part and two ends, be positioned at ejector pin piece 249 the longitudinal fluting opposite side without the ejector pin piece grooving of the sidewall shape that vertically is middle part and two ends protrusion along ejector pin piece grooving.
As shown in Figure 139, the 26 embodiment be positioned at ejector pin piece 250 longitudinal fluting one side the ejector pin piece grooving that sidewall is arranged along ejector pin piece grooving vertically be the shape that protrude at middle part and two ends, be positioned at ejector pin piece 250 the longitudinal fluting opposite side vertically be along ejector pin piece grooving the shape that middle part protrusion, both sides have a down dip gradually without the ejector pin piece grooving of sidewall.
As shown in Figure 140, the 27 embodiment be positioned at ejector pin piece 251 longitudinal fluting one side without the ejector pin piece grooving of sidewall along ejector pin piece grooving vertically be the shape that protrude at middle part and two ends, the ejector pin piece grooving that sidewall is arranged of longitudinal fluting opposite side that is positioned at ejector pin piece 251 vertically is along ejector pin piece grooving the shape that middle part protrusion, both sides have a down dip gradually.
As shown in Figure 141, the 28 embodiment be positioned at ejector pin piece 252 longitudinal fluting one side the ejector pin piece grooving that sidewall is arranged along ejector pin piece grooving vertically be the shape that protrude at the middle part, both sides have a down dip gradually, be positioned at ejector pin piece 252 the longitudinal fluting opposite side vertically be along ejector pin piece grooving the shape that protrude at the middle part, both sides have a down dip gradually without the ejector pin piece grooving of sidewall.
According to above-mentioned detailed introduction as can be known, the anastomosis staple of surgical stapling of the present utility model and combination type grooving thereof, when realizing that the ejector pin piece is released anastomosis staple in the nail bin, nail anvil grooving and ejector pin piece grooving rear formation combination type grooving close to each other, thus can determine according to the thickest degree of the identical tissue of surgical stapling needs the nail leg length of anastomosis staple.When the organizing of the thickest degree of coincideing, two of anastomosis staple nail lower limbs are respectively along the bending of nail anvil grooving until the nail tip of two nail lower limbs of anastomosis staple during near the nail beam of anastomosis staple, and the forming height of anastomosis staple can satisfy the requirement of grip thickness of the tissue of identical the thickest degree.When the organizing of the thinner thickness that coincide, the nail tip of two nail lower limbs of anastomosis staple is near after the nail beam of anastomosis staple, continued to release in nail bin by the ejector pin piece, the nail anvil grooving of combination type grooving and the distance between ejector pin piece grooving constantly reduce simultaneously, the combination type grooving that makes two of anastomosis staple nail lower limbs constantly reduce along spacing respectively forms the Double-spiral anastomosis staple after bending to spiral type, until the forming height of anastomosis staple can satisfy the requirement of grip thickness of the tissue of identical various thinner thicknesses.Therefore, identical the organizing for the treatment of for different grip thickness do not need to change the nail bins that use the anastomosis staple that different nail leg lengths are housed, the nail bin of anastomosis staple of identical nail leg length namely is housed applicable to the tissue that coincide of waiting of the different grip thickness of coincideing, both reached the reliable operation purpose of coincideing of tissue, reach again purpose easy to use, cost saving, be specially adapted to various Motorized surgical anastomats.
The anastomosis staple of surgical stapling of the present utility model and combination type grooving thereof, when realizing that the ejector pin piece is released anastomosis staple in the nail bin, nail anvil grooving and ejector pin piece grooving rear formation combination type grooving close to each other, thus can determine according to the thickest degree of the identical tissue of surgical stapling needs the length of the nail lower limb of anastomosis staple.When the organizing of the thickest degree of coincideing, two of anastomosis staple nail lower limbs are respectively along the bending of nail anvil grooving until the nail tip of two nail lower limbs of anastomosis staple during near the nail beam of anastomosis staple, and the forming height of anastomosis staple can satisfy the requirement of grip thickness of the tissue of identical the thickest degree.When the organizing of the thinner thickness that coincide, the nail tip of two nail lower limbs of anastomosis staple is near after the nail beam of anastomosis staple, continued to release in nail bin by the ejector pin piece, the nail anvil grooving of combination type grooving and the distance between ejector pin piece grooving constantly reduce simultaneously, the forming height of anastomosis staple make two of anastomosis staple nail lower limbs bend to the ever-reduced Double-spiral anastomosis staple in spiral shell footpath along the combination type grooving that spacing constantly reduces respectively, until can satisfy the requirement of grip thickness of the tissue of identical various thinner thicknesses.Therefore, identical the organizing for the treatment of for different grip thickness do not need to change the nail bins that use the anastomosis staple that different nail leg lengths are housed, the nail bin of anastomosis staple of identical nail leg length namely is housed applicable to the tissue that coincide of waiting of the different grip thickness of coincideing, both reached the reliable operation purpose of coincideing of tissue, reach again purpose easy to use, cost saving, be specially adapted to various Motorized surgical anastomats.
The anastomosis staple of surgical stapling of the present utility model and combination type grooving thereof, according to various wait to coincide be organized in each by the requirements of operation of anastomotic position, both can adopt two of anastomosis staple nail lower limbs to bend to respectively the larger technical scheme of clamping force of the Double-spiral anastomosis staple that forms after spiral type, with the surgical effect of the sealing and the hemostasis that reach the tissue that is conducive to be coincide; Also can adopt two of anastomosis staple nail lower limbs to bend to respectively the less technical scheme of clamping force of the Double-spiral anastomosis staple that forms after spiral type, with the surgical effect of the organization healing that reaches the tissue that is conducive to be coincide.
The anastomosis staple of the surgical stapling of various schemes of the present utility model and combination type grooving thereof, requirements of operation according to the tissue that coincide, also can mix use with anastomosis staple and the grooving thereof of the surgical stapling of other type, for example, certain circle or certain row select anastomosis staple and the combination type grooving thereof of the surgical stapling in various scheme of the present utility model, and separately circle or another row select anastomosis staple and the grooving thereof of the surgical stapling of the anastomosis staple of the surgical stapling in various scheme of the present utility model and combination type grooving or other type.
So can find out that the above-mentioned target of stating comprises by front those shown targets of explanation being effectively achieved.Described here is only the typical best form of implementation of this utility model application, can do some to said structure and change also without prejudice to spirit and scope of the present utility model.This utility model is not limited to the detail of stating here, is apparent any improvement or remodeling and should keep affiliated field secondary technology personnel as stating in the restriction of claim.

Claims (9)

1. the anastomosis staple of a surgical stapling and combination type grooving thereof, formed by the nail anvil grooving that forms after indent on the nail anvil surface and the anastomosis staple and the ejector pin piece that are arranged in nail bin, described anastomosis staple is comprised of a nail beam and two nail lower limbs, there is respectively nail tip the end of described two nail lower limbs, the longitudinal fluting that anastomosis staple is installed is arranged on the end face of described ejector pin piece, and the position of the anastomosis staple that the lip-deep nail anvil grooving of described nail anvil and described nail bin are interior is mutually corresponding;
It is characterized in that: described nail anvil grooving is comprised of lip-deep two grooves of nail anvil, two described groove arrangement of nail anvil grooving are on the longitudinal axis of nail anvil grooving, two grooves have respectively nail mouth at the middle part of nail anvil grooving, the described nail mouth of two grooves lays respectively at the both sides of the described longitudinal axis of nail anvil grooving, and the nail mouth of two grooves of nail anvil grooving is connected mutually;
After described ejector pin piece is pressed on respectively the nail tip of two of described anastomosis staple nail lower limbs on the nail anvil grooving, two nail lower limbs of anastomosis staple are crooked along the nail anvil grooving respectively, the nail tip that makes two of anastomosis staple nail lower limbs near the both sides of the nail beam of anastomosis staple, forms the larger Double-spiral anastomosis staple in spiral shell footpath after two nail lower limbs bend to respectively spiral type respectively.
2. the anastomosis staple of surgical stapling according to claim 1 and combination type grooving thereof, is characterized in that,
There is respectively ejector pin piece grooving the both sides that the longitudinal fluting of anastomosis staple is installed on the end face of described ejector pin piece;
After described nail anvil and nail bin are drawn close mutually, when the ejector pin piece is released anastomosis staple in the nail bin, described nail anvil grooving and ejector pin piece grooving rear formation combination type grooving close to each other;
If the nail tip of described two nail lower limbs is continued to release in nail bin by the ejector pin piece near the larger Double-spiral anastomosis staple in spiral shell footpath of nail beam both sides, the distance between the nail anvil grooving of described combination type grooving and ejector pin piece grooving constantly reduces, make two nail lower limbs of anastomosis staple continue bending along the combination type grooving that spacing constantly reduces respectively, form the less Double-spiral anastomosis staple in spiral shell footpath.
3. the anastomosis staple of surgical stapling according to claim 2 and combination type grooving thereof, is characterized in that, is positioned at described ejector pin piece grooving on the end face of described ejector pin piece along the shape that vertically is middle part and two ends protrusion of ejector pin piece grooving.
4. the anastomosis staple of surgical stapling according to claim 2 and combination type grooving thereof, is characterized in that, be positioned at described ejector pin piece described ejector pin piece grooving vertically be along ejector pin piece grooving the shape that protrude at the middle part, both sides have a down dip gradually.
5. the anastomosis staple of surgical stapling according to claim 2 and combination type grooving thereof, is characterized in that, is positioned at described ejector pin piece grooving on the end face of described ejector pin piece and vertically is along ejector pin piece grooving the shape that middle part indent, two ends are protruded.
6. the anastomosis staple of surgical stapling according to claim 2 and combination type grooving thereof, is characterized in that, is positioned at described ejector pin piece grooving on the end face of described ejector pin piece along vertically being on one side of ejector pin piece grooving protrudes, another side has a down dip gradually shape.
7. the anastomosis staple of surgical stapling according to claim 2 and combination type grooving thereof, is characterized in that, the described ejector pin piece grooving of the longitudinal fluting both sides of described ejector pin piece in the outside parallel with the longitudinal fluting of described installation anastomosis staple without sidewall; If the nail tip of described two nail lower limbs is continued to release in described nail bin by the ejector pin piece near the anastomosis staple of nail beam, the distance between the nail anvil grooving of described combination type grooving and ejector pin piece grooving constantly reduces, make two of anastomosis staple nail lower limbs respectively under the constraint of the nail beam of anastomosis staple, the combination type grooving that constantly reduces along spacing continues bending, two is followed closely form the larger Double-spiral anastomosis staple of pitch after lower limbs bend to respectively spiral type.
8. the anastomosis staple of surgical stapling according to claim 2 and combination type grooving thereof, is characterized in that, the described ejector pin piece grooving of the longitudinal fluting both sides of described ejector pin piece has sidewall in the outside parallel with the longitudinal fluting of described installation anastomosis staple; If the nail tip of described two nail lower limbs is continued to release in described nail bin by the ejector pin piece near the anastomosis staple of nail beam, the distance between the nail anvil grooving of described combination type grooving and ejector pin piece grooving constantly reduces, make two of anastomosis staple nail lower limbs respectively under the constraint of the sidewall of the nail beam of anastomosis staple and ejector pin piece grooving, the combination type grooving that constantly reduces along spacing continues bending, two is followed closely form the less Double-spiral anastomosis staple of pitch after lower limbs bend to respectively spiral type.
9. the anastomosis staple of surgical stapling according to claim 2 and combination type grooving thereof, it is characterized in that, the described ejector pin piece grooving of the longitudinal fluting both sides of described ejector pin piece is in the outside parallel with the longitudinal fluting of described installation anastomosis staple, and a side has sidewall, opposite side without sidewall; If the nail tip of described two nail lower limbs is continued to release in described nail bin by the ejector pin piece near the anastomosis staple of nail beam, the distance between the nail anvil grooving of described combination type grooving and ejector pin piece grooving constantly reduces, make one of anastomosis staple nail lower limb under the constraint of the sidewall of the nail beam of anastomosis staple and ejector pin piece grooving, another root nail lower limb is only under the constraint at the nail beam of anastomosis staple, the combination type grooving that constantly reduces along spacing continues crooked, forms the Double-spiral anastomosis staple of the larger spiral staple lower limb of the less spiral staple lower limb of pitch and another root pitch.
CN 201320302514 2013-05-28 2013-05-28 Anastomosis nail of surgery department anastomat and combined forming groove thereof Withdrawn - After Issue CN203263466U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105212982A (en) * 2015-11-02 2016-01-06 苏州澳力欣精密技术有限公司 A kind of nail anvil of anastomosis staple stereo shaping and staple formation method
CN110338865A (en) * 2019-07-24 2019-10-18 常州市康迪医用吻合器有限公司 A kind of skin stapler nail pressing structure and its skin stapler
CN110652329A (en) * 2019-09-30 2020-01-07 北京博辉瑞进生物科技有限公司 Anastomosis nail and medical anastomat

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105212982A (en) * 2015-11-02 2016-01-06 苏州澳力欣精密技术有限公司 A kind of nail anvil of anastomosis staple stereo shaping and staple formation method
CN110338865A (en) * 2019-07-24 2019-10-18 常州市康迪医用吻合器有限公司 A kind of skin stapler nail pressing structure and its skin stapler
CN110338865B (en) * 2019-07-24 2024-04-26 常州市康迪医用吻合器有限公司 Skin anastomat nail pressing structure and skin anastomat thereof
CN110652329A (en) * 2019-09-30 2020-01-07 北京博辉瑞进生物科技有限公司 Anastomosis nail and medical anastomat
CN110652329B (en) * 2019-09-30 2021-01-15 北京博辉瑞进生物科技有限公司 Anastomosis nail and medical anastomat

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