CN107753082A - A kind of tissue folder of expanded letter jig arm - Google Patents
A kind of tissue folder of expanded letter jig arm Download PDFInfo
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- CN107753082A CN107753082A CN201711174437.7A CN201711174437A CN107753082A CN 107753082 A CN107753082 A CN 107753082A CN 201711174437 A CN201711174437 A CN 201711174437A CN 107753082 A CN107753082 A CN 107753082A
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- jig arm
- arc
- arc jig
- folder
- tissue
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- 210000004204 blood vessel Anatomy 0.000 description 31
- 241000270708 Testudinidae Species 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 230000023597 hemostasis Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 230000017074 necrotic cell death Effects 0.000 description 3
- 230000002980 postoperative effect Effects 0.000 description 3
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229920002101 Chitin Polymers 0.000 description 1
- 206010011224 Cough Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229920010741 Ultra High Molecular Weight Polyethylene (UHMWPE) Polymers 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000001194 anti-hemostatic effect Effects 0.000 description 1
- 229940030225 antihemorrhagics Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000560 biocompatible material Substances 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000000025 haemostatic effect Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/122—Clamps or clips, e.g. for the umbilical cord
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/128—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips
- A61B17/1285—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (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
A kind of tissue folder with expanded letter jig arm, each tissue folder includes the V-arrangement clamp that the first arc jig arm and the second arc jig arm are integrally formed, the free end of the first arc jig arm and the second arc jig arm is respectively snap fit and corresponding neck, it is made up of between first arc jig arm and the second arc jig arm " hinge " structure, forming V-shape clamp when the nip surface of jig arm is provided with some anti-skidding tooth form areas, the first arc jig arm and the second arc jig arm free state；The width that the anti-skidding tooth form area of first arc jig arm and the second arc jig arm has is more than the head and tail width of arc jig arm；Neck is referred to as card convex, blocks the neck of snap fit.
Description
Technical field
It is used to close blood the present invention relates to a kind of surgical operation medical assistance apparatus, in especially a kind of surgical procedures
The folder of pipe or tissue, generally it is also known as blood vessel clip or ligation clip.
Background technology
Minimally invasive (hysteroscope) surgical operation has been obtained for substantial amounts of popularization and application, and this operation is small to the wound of human body,
More and more favored by doctor and patient；, it is necessary to be closed to the fracture blood vessel in otch in surgical procedures, with resistance
Only bleeding.Ligatured again with suture after clamping fracture blood vessel with haemostatic clamp, it is quickly simple to be not particularly suited for hysteroscope surgical operation
Just requirement.Extensive use is pressed from both sides using the hemostasis tissue of polymeric material.Tissue folder includes the first arc jig arm and second
The free end of the V-arrangement clamp that arc jig arm is integrally formed, the first arc jig arm and the second arc jig arm is respectively snap fit and neck,
It is made up of between first arc jig arm and the second arc jig arm " hinge " structure, hinge structure is as follows：First arc jig arm and
The junction of second arc jig arm two connector bifurcateds inside and outside are formed, and are a hole between inside and outside two connectors, when
When one arc jig arm and the second arc jig arm are integrally formed V-arrangement clamp, this hole is U-shaped.When the first arc jig arm and the second arc
When snap fit and the neck closure of the free end of jig arm, tissue folder is in shape closure hemostasis, the first arc jig arm and the second arc
The arc stress of jig arm makes snap fit and neck tight connecting, considers that to the pressure to biological tissue its necrosis or operation can not be made,
A slit can be left between general two jig arm, the nip surface of jig arm can make biological tissue and jig arm shape provided with some tooth form areas
Into larger frictional force.
In order to adapt to the specification of endoscope-assistant surgery and the diameter of human vas tissue simultaneously, tissue is folded with size difference
Three to five specifications of size, provided with the special applicator of series and binder is taken, for the tissue progress to different specification size
Use.Applicator and take binder to have long handle, can be applied in hysteroscope surgical operation.Certainly tissue folder or metal material
Or prepared by absorbable material.Prior art discloses and the hand used is largely equipped by more perfect such scheme, and hospital
Art auxiliary equipment.Typical Chinese patent and patent application have：CN201110023843,201310334138 and
201410777554；But prior art still suffers from deficiency：It is real although the reliability of clip (seamed on clip) is fine
In the operation of border, generally also need to doctor and apply second clip, the position that tissue cut stump stays sometimes is difficult to apply
Second presss from both sides, and such as is requiring to clamp completely, or when requiring higher reliability, second clip be doctor through frequently with；Chamber
The applicator front end for the existing clip that mirror surgical operation uses (is provided with metal jaw, vises knuckle force, because tissue folder width only has
1mm even it is narrower) to tissue folder wrap up entirely, when in use in spite of lead mirror (or special image harvester) as observation
Window.But still have an impact to surgical field of view, whole armrest senses sometimes when applicator blocks blood vessel.US2005/0171560A1 is disclosed
The structural representation of applicator.
Many clips are stayed in inside uke when being longer, are run into folder and are closed artery or significant points blood vessel, condition with
Perhaps in the case of, doctor can select the double fastener of insurance, but retain too short position, existing product and technology for vessel stump
The tissue folder for closing twice independence can not be pressed from both sides simultaneously, if the tissue folder as rear end applies is extremely difficult in vessel stump, clamp.
The tissue folder of prior art is single clip or single design, and tissue folder sidepiece is provided with knuckle as Clip Applier or clamp
The outer rim rectangular angular of the supported end of device, knuckle and folder is easily caused to rub and damaged to blood vessel perienchyma, especially lobe of the lung hand
Cough bleeding occurs in postoperative patient；It is by snap fit and neck that the folder of its jig arm head, which closes, and neck is that (the second arc presss from both sides jig arm
Arm) both sides be provided with raise up to be formed, the section of neck bottom center is the wedge matched with snap fit, and neck is that jig arm is only
Pinning/occlusion and " do not lock " and the dual guarantee of " button ", for organizing free unclean or larger blood vessel, easily " collapse
Open ", there is not clamping worry.Tissue (such as blood vessel) is relatively thick or can not clamp or not clamping.Organize two jig arm cross sectional shapes of folder
For rectangle (edge slightly through polishing), ellipse can not be changed to, because after single clip is changed to ellipse, because external force is (vertical when folder closes
Resistance when Pressure value or horizontal stripping blood vessel) it is also easy to produce torsion and deforms；
Neck both sides are raised to be designed for drops, has navigation function when folder closes, but (nail is tissue folder taking nail
Be commonly called as) it is incorrect in the case of, in the case that either blood vessel is free clean or blood vessel is excessively thick, single nail clip close it is yielding,
The design of water droplet, tip are not hard enough, it is impossible to efficient navigation, so as to the disconnected phenomenon of nail clip occur；The requirement that the unilateral folder of blood vessel closes
Reliability can use 2 clips when high, trumpet tissue folder width (jig arm+knuckle) 2mm, in, the wide 3mm of large size tissue folder.2 tissues
Folder clip folder can not possibly be close together when closing, because generation sideslip can mutually be extruded, simultaneously because operating theater instruments, doctor's gimmick
Limitation with single clip knuckle protrusion also causes 2 clips to stick together well, so in theory, two single clips are pressed from both sides,
At least need 2mm+2mm+1mm (2 folder spacing)=5mm distance or in, large size need 3mm+3mm+1mm (2 folder spacing)=7mm
Distance.
Previously press from both sides 2 clips, i.e., so-called double insurance in fact and non insurance, once because artery washes 1 clip open, it is another
Individual clip on Pressure value degree and prevents that sliding onto property does not have any difference, so dangerous relative to the clip being rushed to open before；
And the situation of blood vessel is closed using 1 clip folder usually, it is because vessel stump (cuff length) is too short, or is available for folder to close mostly
Region is too narrow and small or doctor quickly the free blood vessel exposure of operation it is not fine and lead to not use, be not because using one
It is individual just much of that.
Further, existing Clip Applier is that parcel clip carries out clamp, closes clip folder, and the visual field is unintelligible, can not be directly perceived
See whether blood vessel presss from both sides and close completion, clamp itself needs gap when closing；Especially for free unclean or
The excessively thick blood vessel of person, the phenomenon of " vacation folder close " often occurs, occur in art, it is postoperative collapse out, the fatal phenomenon of bleeding such as slip, especially
It is it is postoperative collapse out, easily cause death or infection caused by second operation, this belongs to malpractice.It is in addition, existing
The tissue folder folder of technology, which closes, to be made up of snap fit and neck, but still is left some room for improvement.Neck is jig arm (the second arc jig arm)
What both sides were provided with raises up to be formed, and the section of neck bottom center is the wedge matched with snap fit, is not done for organizing to dissociate
Net or larger blood vessel, there are not clamping worry, and more difficult discovery before " collapsing out ".Apply simultaneously on double fastener helps to overcome
Situation is stated, but diameter easily exceedes the working diameter of hysteroscope.
The content of the invention
The object of the invention is to provide a kind of tissue folder with expanded letter jig arm, to overcome or avoid existing for prior art
Problem.Surmount and possess the function of the even a variety of clips of two clips in parallel, and the width of clamp has no effect on applicator, more
The requirement (mainly diameter meets to require, its maximum width is not more than 2.8mm) of hysteroscope is readily satisfied, can be pressed from both sides completely
Tightly, and there is higher reliability, applies once equivalent to being applied with two tissue folders.
To solve prior art problem, the technical scheme is that, a kind of tissue folder with expanded letter jig arm is described each
Tissue folder includes the V-arrangement clamp that the first arc jig arm and the second arc jig arm are integrally formed, the first arc jig arm and second
The free end of arc jig arm is respectively snap fit and corresponding neck, by a hinge between the first arc jig arm and the second arc jig arm
Structure is formed, and the nip surface of jig arm is provided with some anti-skidding tooth form areas, the first arc jig arm and the second arc jig arm free state
When forming V-shape clamp；The width that the central area of first arc jig arm and the second arc jig arm has is more than the wide end to end of arc jig arm
Degree；Neck blocks the neck of snap fit.
Further, the central area of the first arc jig arm and the second arc jig arm prepare have more than two perpendicular to jig arm
And the sub- arm being parallel to each other.
Further, the central area of the first arc jig arm and the second arc jig arm (clamp area or anti-skidding tooth form area) is provided with one
Section fillet polygon or ellipse.
Further, the fillet polygon or it is oval when shape center there is hole.
Further, the anti-skidding tooth form area of the first arc jig arm and the second arc jig arm prepare have more than two perpendicular to
Jig arm and parallel sub- arm.
Further, the anti-skidding tooth form area of the first arc jig arm and the second arc jig arm is fillet polygon or ellipse；
The selection that rectangle or round rectangle have been also.
Anti-skidding tooth form area prepare have more than two perpendicular to jig arm and parallel sub- arm；Fillet polygon or ellipse；
Rectangle or round rectangle overall width can be used for the use of hysteroscope in 2.8mm, if should for the operation of open or semi open model
With then width can be prepared into more than 3mm；And organize the clamp of folder completely identical with the applicator that existing hospital uses,
It is provided with the supporting groove and knuckle of applicator clamp.
Further, the present invention is improved and also included, and the tissue folder jig arm of expanded letter jig arm is provided with mosaics；It is especially oval
Shape (circle tortoise folder) can surmount previously tissue folder using simple material, if in oval annulus position locally embedding inertia
Becket, or overall embedded inert metal, then it can reach and press from both sides smaller volume and identical toughness/hard than non-mosaic round tortoise
Degree.
The nip surface of jig arm is provided with some " eight words " anti-skidding tooth form areas 8, and the tooth in the anti-skidding tooth form area 8 of every tissue folder is
Oblique line shape.Tooth form area after two tissue folder clampings is some "eight" shape；Every oblique line shape tooth is divided into two-section up and down, up and down
Two-section oblique line shape tooth is straight line tooth or tooth staggeredly.
Beneficial effects of the present invention：The applicator for the existing clip that hysteroscope surgical operation uses is to wrap up entirely to tissue folder
, observation window is used as in spite of leading mirror (or special image harvester) when in use.But still have an impact to surgical field of view, clamp
Sometimes whole armrest senses when device blocks blood vessel.The present invention provides a kind of tissue folder, to overcome or avoid above mentioned problem.
The function of preventing from breakking away with multidimensional：1) the past monomer tissue folder be only it is one-dimensional put sideslip, once blood vessel is horizontal
Break away and occur then to occur that tissue folder slips angiorrbagia, easily cause mortality risk.And expanded letter folder (especially wide clamp through excellent
Change the circle tortoise folder of optimization) circular leg folder can form duplicate protection, by Tissue approximation in circular inner, not only acted as double
The effect closed is pressed from both sides again, while the blood vessel in annulus convexes to form effective fixed resistance, prevents from breakking away；2) the duplex tissue of the past
Although the folder effectively anti-hemostatic tube of extruding blood vessel laterally slips, easily there is the side of longitudinal direction when there is " big folder folder closes thin vessels "
It is sliding, dissection is produced to blood vessel, and justify the circular inner uniform force of tortoise folder, the blood vessel of ring internal projection effectively prevents longitudinal direction side
It is sliding to occur, it is possible to prevente effectively from cutting of the clamp to blood vessel；Closed so monomer and duplex the tissue folder of the past is one-dimensional folder, and
Circle tortoise folder is then that two dimension folder closes, safer firm；
The present invention has smaller volume and smaller use space：1) the dual folder of monomer folder completion, which closes, needs 3mm (containing grand
Prominent single clip width)+3mm (width of single clip containing knuckle)+1mm (gap)=7mm spaces used above, double couplers integrally need 2mm
(being free of knuckle list leg width)+2mm (being free of knuckle list leg width)+1mm (both legs spacing) 5mm or so uses space, and justifies tortoise
Folder is local only to need 3mm spaces used below, essentially identical with existing single clip body, because of neck corresponding to being set on existing tissue folder
Width to be wider than jig arm originally.Accomplish the own vol of minimum and using space relative to any tissue folder, reduce hand
The difficulty of art operation, such as the free span access location length of blood vessel shorten, and in-vivo procedures space diminishes needed for clamp, especially local difficult sudden and violent
Dew vascular site becomes apparent from.Can the compatible existing applicator for organizing folder.Width has no effect on the use of existing applicator, meets chamber
The requirement (mainly diameter meets to require) of mirror, can be clamped completely, and have higher reliability, and doctor applies one group
Folder is knitted, is pressed from both sides equivalent to two tissues are applied with.To overcome the shortcomings of existing tissue folder.Possess and surmount what two tissues in parallel pressed from both sides
Function.
The both arms gap of present invention tissue folder leaves the space of abundance to blood vessel, ensure that the activity of blood vessel, while by
Blood vessel is squeezed when folder closes, and the blood vessel of both arms intermediate gaps protrudes from both arms gap, serves the effect of good anti-sideslip,
So the Pressure value amount of tissue folder is big, anti-sideslip strength is bigger " 1+1 ">2, while the also additional resistance of the blood vessel in space>3.
Brief description of the drawings
Fig. 1 is present invention tissue folder schematic perspective view；
Fig. 2 is schematic top plan view when present invention folder opens；
Fig. 3 is schematic side view of the present invention；
Fig. 4 is prior art applicator head schematic diagram.
Fig. 5 is that the arc jig arm of present invention tissue folder is hexagon jig arm schematic shapes；
Fig. 6 is that the arc jig arm of present invention tissue folder is rectangle jig arm schematic shapes；
Fig. 7 be the present invention tissue folder arc jig arm it is (paired) prepare have three perpendicular to jig arm and parallel sub- arm
Jig arm schematic shapes.
Embodiment
There is the schematic perspective view of knuckle structure as illustrated, Fig. 1 is tissue clamp；First arc jig arm and the second arc folder
The free end of the V-arrangement clamp that arm is integrally formed, the first arc jig arm and the second arc jig arm is respectively snap fit and neck, the first arc
It is made up of between clevis arm and the second arc jig arm " hinge " structure, hinge structure is as follows：First arc jig arm and the second arc
The junction of clevis arm two connector bifurcateds inside and outside are formed, and are a hole between inside and outside two connectors, when the first arc
When jig arm and the second arc jig arm are integrally formed V-arrangement clamp, this hole is U-shaped.When the first arc jig arm and the second arc jig arm
When snap fit and the neck closure of free end, tissue folder in shape closure hemostasis, the first arc jig arm and the second arc jig arm
Arc stress makes snap fit and neck tight connecting, considers that to the pressure to biological tissue its necrosis can not be made or operates, general two
Can leave a slit between jig arm, the nip surface of jig arm can provided with some tooth form areas, make biological tissue and jig arm formed it is larger
Frictional force.
In order to adapt to the specification of endoscope-assistant surgery and the diameter of human vas tissue simultaneously, tissue is folded with size difference
Three to five specifications of size, provided with the special applicator of series and binder is taken, for the tissue progress to different specification size
Use.Applicator and binder is taken to have long handle
Hinge structure among first arc jig arm 5 and the second arc jig arm 6 is as follows：First arc jig arm and the second arc
The junction of jig arm two connector bifurcateds inside and outside are formed, and are a hole 10 between inside and outside two connectors, when the first arc
When jig arm and the second arc jig arm are integrally formed V-arrangement clamp, this hole 10 is U-shaped.When the first arc jig arm and the second arc jig arm
Free end snap fit and neck when closing, tissue folder is in shape closure hemostasis, the first arc jig arm and the second arc jig arm
Arc stress make snap fit and neck tight connecting, consider to the pressure to biological tissue can not make its necrosis or operation, typically
It can leave a slit between two jig arm, be unlikely to cut off the tissue such as blood vessel during clamping, the nip surface of jig arm is provided with some tooth form areas
8, biological tissue and jig arm is formed larger frictional force.Two clips in parallel are double joint sandwiched meter, and knuckle can inside i.e. not
Projection, be connecting rod between two folders, the first knuckle is connected in adjacent side, forms two tissues and presss from both sides the connections that are attached
Bar 2, can be raised, and connection-rod is knuckle 9 on the outside of jig arm, and knuckle equally can be the supporting force of applicator, the first arc
The freedom of clevis arm 5, the second arc jig arm 6, the V-arrangement clamp being integrally formed, the first arc jig arm and the second arc jig arm
End is respectively snap fit 4 and neck 7.
Tissue folder is exactly HEM-O-LOCK basic structure in addition to the first arc jig arm 5, the second arc jig arm 6 in figure；Institute
Stating each tissue folder includes the V-arrangement clamp that the first arc jig arm and the second arc jig arm are integrally formed, the first arc jig arm
Free end with the second arc jig arm is respectively snap fit and corresponding neck, between the first arc jig arm and the second arc jig arm by
One " hinge " structure is formed, and the nip surface of jig arm is provided with some anti-skidding tooth form areas, the first arc jig arm and the second arc jig arm
Forming V-shape clamp during free state；The width that the anti-skidding tooth form area of first arc jig arm and the second arc jig arm has is more than arc
The head and tail width of jig arm；Neck is referred to as card convex, blocks the neck of snap fit.
The overall width of present invention tissue folder is within 2.8mm；The tissue folder more than 3mm width can also be prepared.
The schematic diagram that tooth form area is distributed after tissue folder double fastener arm expansion；The schematic diagram of two kinds of tooth distributions i.e. in jig arm；Jig arm
Nip surface forming V-shape clamp when being provided with some tooth form areas, the first arc jig arm and the second arc jig arm free state；Jig arm
Nip surface is provided with some shape areas of tooth 8；Every oblique line shape tooth is divided into two-section up and down, upper and lower two-section oblique line shape tooth be straight line tooth or
It is tooth staggeredly.
Prepared by the anti-skidding tooth form area of the tissue folder with expanded letter jig arm, the first arc jig arm and the second arc jig arm have two
More than perpendicular to jig arm and parallel sub- arm；
The anti-skidding tooth form area of first arc jig arm and the second arc jig arm is fillet polygon or ellipse；Rectangle or fillet
The selection that rectangle has been also.Fillet polygon or it is oval when shape center there is hole.
Anti-skidding tooth form area prepare have more than two perpendicular to jig arm and parallel sub- arm；Fillet polygon or ellipse；
Rectangle or round rectangle overall width can be used for the use of hysteroscope in 2.8mm, if should for the operation of open or semi open model
With then width can be prepared into more than 3mm；And organize the clamp of folder completely identical with the applicator that existing hospital uses,
It is provided with the supporting groove and knuckle of applicator clamp.
The present invention mainly uses biological medical polymer material, including ABS resin, polyether-ether-ketone, reinforced TFE,
Including ultra-high molecular weight polyethylene (UHMWPE), polypropylene, polyformaldehyde or nylon.Biocompatible materials can also be used, such as
Chitin material etc., metal material can also be used, but preparation technology is different.Structure is still to communicate.Expanded letter jig arm
Tissue folder jig arm is provided with mosaics, inlays the Bc alloy such as titanium alloy；In oval annulus position locally embedding titanium
Alloying metal ring, or overall embedded titanium alloy becket add strip metal, then can reach and press from both sides smaller body than non-mosaic round tortoise
Product and identical toughness/hardness.
It is force side that metal binding clip 32 in the clamp first 30 of applicator in Fig. 4, which is directed at connecting rod and clip slot,.31 be gold
Belong to clamp handle.
Embodiment：Six hollow sides are prepared in Fig. 5 the first arc jig arm and the second arc jig arm 5,6 (central unit)
Shape, hexagon Shang You tooth forms area 8, hexagon are to overlap (identical) in clamping.
Embodiment：Hollow rectangle is prepared in Fig. 6 the first arc jig arm and the second arc jig arm 5,6 (central unit),
Rectangle Shang You tooth forms area 8.Rectangle is to overlap (identical) in clamping.
Embodiment：Prepared in Fig. 7 the first arc jig arm and the second arc jig arm 5,6 (mainly anti-skidding tooth form area part)
Have three perpendicular to jig arm and parallel sub- arm 5-2；Three perpendicular to jig arm and parallel sub- arm be life in clamping
(identical).Two or four be also perpendicular to arc jig arm and parallel sub- arm, waveform or sub- arm with broken line can be with
's.
Those of ordinary skills in the art should understand that：The specific embodiment of the present invention is the foregoing is only, and
The limitation present invention is not used in, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc.,
It should be included within protection scope of the present invention.
Claims (8)
- A kind of 1. tissue folder with expanded letter jig arm, it is characterized in that each tissue folder includes the first arc jig arm and the second arc The free end of the V-arrangement clamp that clevis arm is integrally formed, the first arc jig arm and the second arc jig arm is respectively snap fit and right The neck answered, it is made up of between the first arc jig arm and the second arc jig arm a hinge structure, if the nip surface of jig arm is provided with Anti-skidding tooth form area is done, forming V-shape clamp when the first arc jig arm and the second arc jig arm free state；First arc jig arm and second The width that the central area of arc jig arm has is more than the head and tail width of arc jig arm;Neck blocks the neck of snap fit.
- 2. the tissue folder of expanded letter jig arm according to claim 1, it is characterized in that the first arc jig arm and the second arc jig arm Central area prepare have more than two perpendicular to jig arm and the sub- arm that is parallel to each other.
- 3. the tissue folder of expanded letter jig arm according to claim 1, it is characterized in that the first arc jig arm and the second arc jig arm Central area be provided with one section of fillet polygon or ellipse.
- 4. expanded letter jig arm according to claim 3 tissue folder, it is characterized in that the fillet polygon or it is oval when shape The center of shape has hole.
- 5. the tissue folder of expanded letter jig arm according to claim 3, it is characterized in that the first arc jig arm and the second arc jig arm Central area be provided with one section of rectangle or round rectangle.
- 6. the tissue folder of the expanded letter jig arm according to one of claim 1-5, it is characterized in that, the tissue folder first of expanded letter jig arm Arc jig arm and the second arc jig arm are provided with mosaics.
- 7. the tissue folder of the expanded letter jig arm according to claim 1-5, it is characterized in that, the nip surface of jig arm is provided with some " eight words " anti-skidding tooth form area, the tooth in the anti-skidding tooth form area of every tissue folder is oblique line shape.
- 8. the tissue folder of expanded letter jig arm according to claim 7, it is characterized in that, the first arc jig arm and the second arc jig arm Tooth form area after clamping is some "eight" shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174437.7A CN107753082A (en) | 2017-11-22 | 2017-11-22 | A kind of tissue folder of expanded letter jig arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174437.7A CN107753082A (en) | 2017-11-22 | 2017-11-22 | A kind of tissue folder of expanded letter jig arm |
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| Publication Number | Publication Date |
|---|---|
| CN107753082A true CN107753082A (en) | 2018-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711174437.7A Pending CN107753082A (en) | 2017-11-22 | 2017-11-22 | A kind of tissue folder of expanded letter jig arm |
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| CN (1) | CN107753082A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109009311A (en) * | 2018-07-06 | 2018-12-18 | 华中科技大学同济医学院附属协和医院 | A kind of auricle clamp |
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