CN202821486U - Sandwich stapler type alimentary canal fitting cutting closing device - Google Patents

Sandwich stapler type alimentary canal fitting cutting closing device Download PDF

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Publication number
CN202821486U
CN202821486U CN2012204312634U CN201220431263U CN202821486U CN 202821486 U CN202821486 U CN 202821486U CN 2012204312634 U CN2012204312634 U CN 2012204312634U CN 201220431263 U CN201220431263 U CN 201220431263U CN 202821486 U CN202821486 U CN 202821486U
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China
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anastomosis
group
anastomosis staple
membranoid substance
sandwich
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CN2012204312634U
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Chinese (zh)
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刘忠臣
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Medical (Xiamen) Medical Technology Co., Ltd.
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刘忠臣
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Abstract

The utility model discloses a sandwich stapler type alimentary canal fitting cutting closing device, and relates to an appliance of a surgery. The sandwich stapler type alimentary canal fitting cutting closing device is used for stitching tissues. A movable handle, a device body, a fitting nail box and membranous substances are arranged on the sandwich stapler type alimentary canal fitting cutting closing device. The device body extends out of the tail end of the handle. The fitting nail box is connected with the tail end of the device body. A nail box, a nail base, a first group of fitting nails and a second group of fitting nails are arranged in the fitting nail box. length of the first group of fitting nails is 5%-95% of the length of the second group of fitting nails. The membranous substances are directly contacted with the surface of the nail box. An upper layer membranous substance and a lower layer membranous substance are arranged on the membranous substances. The upper layer membranous substance is directly communicated with the surface of the nail box. The lower layer membranous substance is directly communicated with a surface of the nail base. A sandwich structure is formed by the upper layer membranous substance, an intestinal wall and the lower layer membranous substance.

Description

A kind of sandwich stapler-type digestive tract anastomosis cutting closer
Technical field
This utility model relates to a kind of surgical apparatus, especially relates to a kind of sandwich stapler-type digestive tract anastomosis cutting closer for suture tissue.
Background technology
In operation on digestive tract, often need to rebuild stitching to digestive tract, and must excise the unnecessary tissue of internal organs that docks after sewing up, so that alimentary reconstruction, in order to guarantee finishing smoothly of above-mentioned operation, usually adopt disposable digestive tract stapler, the design principle of the surgical instrument " disposable use digestive tract stapler " that uses at present adopts the stapler principle usually, cast and linear type two large classes are arranged, mainly by nail anvil (also claiming end needle stand), nail bin (also claiming staple cartridge), the device body, flexible handle, adjustment knob, the compositions such as edge bearing and suturing nail (also claiming anastomosis staple), other is furnished with cutting knife anastomat connecting rod.When operation on digestive tract, by being the anastomosis staple that is staggered along device body periphery two rows the digestive tract internal organs are docked, and by the unnecessary tissue after the center annular cutting knife excision stitching, so that alimentary reconstruction.Organize the connecting portion of the nail seat that accurately is incorporated into anastomat and device body front end by effectively clamping when the digestive tract that is sewn, and when stop button can rotate on request smoothly, but although manipulation activities handle, implement percussion, realize the docking of digestive tract internal organs, but exist and to cause that digestive tract internal organs anastomotic stoma is torn, the deficiencies such as fistula of operative incision and anastomotic stoma tangent plane oozing of blood, bring risk and negative effect for patient and medical personnel.
Chinese patent CN1695563 discloses a kind of Digective canal tubular anastomat, being connected between plastic part and the plastic part, being connected between plastic part and the metal parts adopts buckle structure to adapt to the characteristic of plastic material as far as possible, by changing cutter anvil end surface shape with the resistance of the endless knife cutter anvil that reduces Digective canal tubular anastomat and the resistance of firing lock as far as possible, open effect by adopting the sour jujube dental structure that insurance institution is also had to coincide the auditory tone cues effect of finishing and clamp anti-in the firing handle process except having safety effect, the scale on the indication window is with the in more detail indication of nail anvil position.
Chinese patent CN1973782 discloses a kind of Digective canal tubular anastomat, adopts the scotch on the cutter anvil medial surface to make nail anvil roll rotation around anvil pull rod.When finishing identical operation, after endless knife is cut the medial surface and the end face between the lateral surface that connects the cutter anvil, medial surface with the moving knife anvil partly breaks away from nail anvil, makes nail anvil roll rotation around anvil pull rod under the effect that rolls spring, thereby can take out easily Digective canal tubular anastomat.
The open disposable automatic safety circular anastomat of Chinese patent CN101856250A comprises nail supporting base assembly, nail bin groupware, aluminum bend pipe, curved push-rod assembly, flexible handle assembly, adjusting nut assembly, automatic safety and fixed handle assembly; Curved push-rod assembly comprises curved push rod, the axis of guide, brace, screw mandrel, regulating block, adjustment screw and tabletting; Curved push-rod assembly is sleeved in the aluminum bend pipe; Nail bin groupware comprises nail storehouse sleeve, nail bin, pushing slice of nail and endless knife; The nail supporting base assembly comprises nail supporting base, jump ring pipe, jump ring and nail supporting base lid; Automatic safety comprises insurance location-plate, insurance location-plate back-moving spring, insurance location-plate spring latch, indicator collet, indicator collet driver plate, indicator collet driver plate back-moving spring and indicator collet driver plate alignment pin.
Therefore, present technology still need be improved, the defective and the deficiency that exist to overcome aforementioned device.
Summary of the invention
Main purpose of the present utility model is to provide a kind of sandwich stapler-type digestive tract anastomosis cutting closer for suture tissue.
This utility model be provided with flexible handle, from the extended device body of handle end, with terminal identical nail kit and the membranoid substance that links to each other of device body; Described identical nail kit is provided with nail kit, nail seat, first group of anastomosis staple and second group of anastomosis staple, and the length of described first group of anastomosis staple is 5%~95% of second group of anastomosis staple length; Described membranoid substance directly contacts the nail kit surface; Described membranoid substance is established upper strata membranoid substance and lower floor's membranoid substance, and described upper strata membranoid substance directly contacts the nail kit surface, the direct contact stud seating face of described lower floor membranoid substance, and upper strata membranoid substance, intestinal wall and lower floor's membranoid substance form sandwich structure.
The length of described first group of anastomosis staple can be 35%~95% of second group of anastomosis staple length, and the length of described first group of anastomosis staple is preferably 65%~85% of second group of anastomosis staple length.
Described membranoid substance can adopt annular membrane or strip film, and the ring width of described annular membrane can be 1.5~3.0mm, and the thickness of annular membrane can be 0.1~1.0mm.The width of described strip film can be 1.5~5mm, and thickness can be 0.1~1.0mm.Described upper strata membranoid substance can be established two-layer at least.
Described membranoid substance has elasticity and hardness, and described membranoid substance can adopt degradable polymer or non-degradable polymer.Described membranoid substance can be selected from a kind of in pellosil shape thing, poly-lactonaphthol class membranoid substance, polylactic acid-based membranaceous thing, polyoxyethylene membranoid substance, the polyester material membranoid substance etc.
Described first group of anastomosis staple and second group of anastomosis staple are linear arrangement, and described linear arrangement can adopt and be arranged in parallel or longitudinal arrangement; Described first group of anastomosis staple and second group of anastomosis staple can be plug-in type, and nail seat is associated with the nail kit operability, and nail seat and nail kit are for being flexibly connected.
Described nail kit can adopt the anastomosis staple nail bin, and described nail seat can adopt the anastomosis staple nail anvil, and both are associated at operability.
This utility model also can be provided with cutter, and described cutter are used for the unnecessary tissue on the excision digestive tract, in order to open central passage, finish gastral reconstruction.
This utility model has structurally been obtained some improvement, some long-term FAQs have not only been solved, for example coincide tear, to coincide seepage, the hemorrhage and identical otch that coincide of gastrointestinal surgery is hemorrhage, but also it is low to have a cost, the advantage that operating time is short the utlity model has beyond thought technical advantage.
Compare with traditional surgical stapling, this utility model the prevention gastrointestinal anastomosis tear, coincide seepage and coincide hemorrhage aspect, have obvious advantage, more be conducive to organized renewing.
Description of drawings
Fig. 1 is traditional staple type disposal tube type digestive tract stapler schematic diagram.
Fig. 2 is the closed anastomat structural representation of the disposable digestive tract of traditional staple type.
Fig. 3 is the disposable digestive tract of traditional staple type abdominal cavity external form line cutting stitching instrument schematic cross-sectional view.
Fig. 4 is one of structural representation after the traditional alimentary tract anastomosis operation stitching.
Fig. 5 be after the traditional alimentary tract anastomosis operation stitching structural representation two.
Fig. 6 is the structure schematic cross-sectional view of one of this utility model embodiment nail anvil of (being used for linear type sandwich stapler-type digestive tract anastomosis cutting closer), the nail kit of coincideing and membranoid substance.
Fig. 7 is the sandwich structure schematic cross-sectional view that forms after the stitching of the described sandwich stapler-type of one of this utility model embodiment digestive tract cutting closer embodiment anastomosis operation.
Fig. 8 is the described use sandwich of one of this utility model embodiment stapler-type Pipy digestive tract stapler and two groups of sandwich structure crown schematic diagrams that anastomosis staple is implemented to form after the anastomosis operation stitching.
Fig. 9 is the described use sandwich of one of this utility model embodiment stapler-type digestive tract cutting closer, line cutting stitching instrument and two groups of sandwich structure perspective diagrams that anastomosis staple is implemented to form after the anastomosis operation stitching.
Figure 10 is the described use sandwich of one of this utility model embodiment stapler-type Pipy digestive tract stapler and two groups of sandwich structure coronalplane schematic diagrams that anastomosis staple is implemented to form after the anastomosis operation stitching.
Figure 11 is the structure perspective diagram of one of this utility model embodiment nail anvil of (being used for ring-like sandwich stapler-type digestive tract anastomosis cutting closer), the nail kit of coincideing and membranoid substance.
Figure 12 is the described use sandwich of one of this utility model embodiment stapler-type digestive tract anastomosis cutting closer and two groups of sandwich structure perspective diagrams that anastomosis staple is implemented to form after the anastomosis operation stitching.
Figure 13 is the described use sandwich of one of this utility model embodiment stapler-type digestive tract anastomosis cutting closer and two groups of sandwich structure perspective diagrams that anastomosis staple is implemented to form after the anastomosis operation stitching.
Figure 14 is the sandwich structure schematic cross-sectional view that forms after the membranoid substance enforcement anastomosis operation stitching of the described use sandwich of one of this utility model embodiment stapler-type digestive tract anastomosis cutting closer and two kinds of different-thickness.
The specific embodiment
Following examples are further described this utility model in connection with figure.
Fig. 1~Fig. 5 provides the structure of the disposable digestive tract stapler of traditional staple type and the structural representation after the alimentary tract anastomosis operation stitching, in Fig. 1~5, each parts is: nail anvil 2, middle body (device body) 3, fixed handle 4, flexible handle part 5, upper strata membranoid substance 11 and lower floor's membranoid substance 21 of the nail kit 1 of coincideing, the nail kit of coincideing.
Described membranoid substance means to be used in the surgical operation material of suture tissue usually.Membranoid substance can be made of various materials, includes, but not limited to gutstring, silk, polyolefin etc., for example polyethylene and polypropylene; Polyamide (comprising aliphatic polyester); Or any mixture of above-mentioned material, its improvement is used for suture tissue.But membranoid substance can be absorbing material or nonabsorable material.Membranoid substance can be modified by method known to those skilled in the art, process or processing, makes every effort to make it to be suitable for suture body inner tissue.
As described herein, " approximately ", " probably " or " being similar to " usually should mean special value or scope 20% in, ideal situation is in 10%, ideal situation then is in 5% more.If designation number value is similar in the literary composition, then in the situation that do not offer some clarification on, can pass through term " approximately ", " probably " or " being similar to " deduction correlation values.
Term used herein " anastomosis staple " means suture texture, for example anastomosis staple and stapling together.
Shown in Figure 4 and 5, according to this utility model that is applicable to the Linear repair device, sandwich stapler-type digestive tract anastomosis cutting closer comprises upper strata membranoid substance and lower floor's membranoid substance 11 and 21, is generally rectangle, is made by the suction biomaterial. Membranoid substance 11 and 21 comprises first surface and second, and wherein one side is ordered charge-coupled knitting with contact, depends on whether membranoid substance 11 or 21 adheres to the nail anvil 2 of coincide nail kit 1 or identical nail kit.The nail kit of coincideing links to each other with the device body is terminal.Shown in Figure 4 and 5, membranoid substance 11 or 21 is generally rectangular cross section.
With reference to figure 6, tissue apposition sandwich stapler-type digestive tract anastomosis cutting closer is according to shown in one of this utility model embodiment.Sandwich stapler-type digestive tract anastomosis cutting closer comprises the device body part 18 that extends out from fixed handle 4 ends.Device body part 18 is defined as flexible handle part 5, the middle body 3 of elongation and identical nail kit 17.The nail kit 17 of coincideing and 18 terminal linking to each other of device body comprise coincide nail kit 1 and identical nail seat 2.Please understand, device body part 18 can or cooperate specific operation needs to be assembled into different shapes and size according to different operation purposes with identical nail kit 17.Settle the release-push (not shown) of releasing mechanism at the near-end of device body part 18, press the button anastomosis staple groove 2 is rebounded from proximal location, wherein, anastomosis staple groove 2 adjacent identical nail kits 1, and (for example: as shown in figure 10) vacate the position for the nail kit 1 of coincideing.
Fig. 7 is the sandwich structure schematic cross-sectional view that forms after the stitching of the described sandwich stapler-type of one of this utility model embodiment digestive tract anastomosis cutting closer embodiment anastomosis operation.In the present embodiment, the surgeon is at least by using continuously or simultaneously one or more linearly aligned surgical fasteners, and for example staple or branch's formula securing member use the linear anastomat of surgery to sew up tissue.Said apparatus generally includes a pair of jaw or finger 72, middle tissue for needing to sew up.
Fig. 8 is the described use sandwich of one of this utility model embodiment stapler-type digestive tract anastomosis cutting closer and two groups of sandwich structure schematic cross-sectional view that anastomosis staple is implemented to form after the anastomosis operation stitching.In one embodiment, the anastomosis staple of anastomat passes anastomosis staple groove jaw by the upper strata membranoid substance, then enters patient tissue, finally passes lower floor's membranoid substance, then by on nail anvil.If the location-appropriate of anastomat, then the tissue between the two-layer membranoid substance just can be by stitching tightly.Therefore, upper strata membranoid substance 11+ patient tissue 6 and 61(intestinal wall)+lower floor's membranoid substance 21 forms one and comprises upper strata membranoid substance 11, relevant intestinal wall 6 and 61 and the sandwich structure of lower floor's membranoid substance 21.Fig. 8 has showed two groups of anastomosis staples, first group of anastomosis staple 7 and second group of anastomosis staple 71, wherein, second group of anastomosis staple length T 2 be 5%~100% of sandwich structure thickness, wherein, the longitudinal length T1 of first group of anastomosis staple is 5%~95% of second group of anastomosis staple length T 2, and therefore, acting on structural strength will be different because of the difference of anastomosis staple length.In one embodiment, before using surgical stapling to sew up, the placement location of first group of anastomosis staple is compared with second group of anastomosis staple, and closer to the center of the nail kit of coincideing, and the position of second group of anastomosis staple is more near the edge of identical nail kit.Anastomosis staple length T 1 is shorter, and the stitching of the tissue that anastomosis staple is right is just tighter; So far, more strength will act on organizationally, makes by anastomosis operation and organizes coincideing together tightly, without leaking.On the other hand, anastomosis staple length T 2 is longer, and the strength of extruding blood vessel is just less, and endovascular blood flow is just more unimpeded, can better carry nutrient substance to tissue, and so far, the meeting that tissue recovers from anastomosis operation is better, and amount of bleeding also can be still less.In another embodiment, the length of first group of anastomosis staple is 35%~95% of second group of anastomosis staple length, and therefore, acting on structural strength will be different because of the difference of anastomosis staple length.In another embodiment, the length of first group of anastomosis staple is 65%~85% of second group of anastomosis staple length, and therefore, acting on structural strength will be different because of the difference of anastomosis staple length.In another embodiment, integral fasteners, for example fixed anastomosis staple can be used for replacing two jaws or two finger, forms single jaw or single finger.
Refer again to Fig. 8, in one embodiment, left end is the anastomosis staple groove, and right-hand member is nail anvil.Anastomosis staple groove and nail anvil each other activeness link to each other, and vertically side by side, wherein, the upper strata membranoid substance directly contacts the tissue on adjacent identical nail kit surface, and lower floor's membranoid substance directly contacts the tissue of adjacent anastomosis staple seating face.Driven or when " startup ", trip bar vertically moves when anastomat, press (not shown) on the anastomosis staple film of a jaw therein, surgical stapling 7 and 71 is pushed into tissue 6 and 61, supports into nail anvil, and is relative with jaw, tightly closed anastomat.If need in a organized way cutly, then use the blade (not shown) between the ranks of anastomat, to excise.Therefore, in the present embodiment, described upper strata membranoid substance 11 and lower floor's membranoid substance 21 can be for annular membrane or strip film, and behind cutting operation, there is a via hole 50 in the centre of upper strata membranoid substance 11 and lower floor's membranoid substance 21.
Fig. 9 is the described use sandwich of one of this utility model embodiment stapler-type digestive tract anastomosis cutting closer and two groups of sandwich structure perspective diagrams that anastomosis staple is implemented to form after the anastomosis operation stitching.In one embodiment, first group and second group of anastomosis staple are linear arrangement, and the linear arrangement of two groups of anastomosis staples is parallel to each other; Wherein, first group and second group of linear arrangement are for being staggered.Figure 12 and 13 has also shown the staggered intercalation model of two groups of anastomosis staples.Owing to be intercalation model, the via hole of adjacent anastomosis staple will be by another organize the anastomosis staple potted line in first group of anastomosis staple.Ideal situation is, the space in first group and the second group of anastomosis staple between the adjacent anastomosis staple is less than the length between two jaws of an anastomosis staple.In this utility model, the length range between two jaws of an anastomosis staple is generally 25~75mm; Space in first group and the second group of anastomosis staple between the adjacent anastomosis staple is generally 10~20mm.By staggered intercalation model, under the effect of the clamping force that the connecting rod between two jaws and the jaw produces, space and another group anastomosis staple are fully overlapping.Staggered intercalation model can be guaranteed the anastomosis staple tight closure, guarantees that suture tissue continues without leaking.
Figure 10 is the described use sandwich of one of this utility model embodiment stapler-type digestive tract anastomosis cutting closer and two groups of sandwich structure schematic cross-sectional view that anastomosis staple is implemented to form after the anastomosis operation stitching.In one embodiment, first group and second group of rounded array of anastomosis staple are distributed in around the anastomosis ring applicator, wherein, two groups of altogether central circular arrays are arranged; First group and second group of linear array intersect mutually.Figure 12 and 13 has also shown the intercalation model of two groups of anastomosis staples.Owing to being intercalation model, wherein the via hole 30 of one group of anastomosis staple and 31 will be organized at another potted line next door of anastomosis staple.Ideal situation is, the via hole 30 and 31 in first group and the second group of anastomosis staple between the adjacent anastomosis staple is less than the length between two jaws of an anastomosis staple.In this utility model, the length range between two jaws of an anastomosis staple is generally 25 to 75mm; Via hole 30 and 31 in first group and the second group of anastomosis staple between the adjacent anastomosis staple is generally 10 to 20mm.By inserting, under the effect of the clamping force that the connecting rod between two jaws and the jaw produces, to organize anastomosis staple fully overlapping with another for via hole 30 and 31.Insertion can be guaranteed the anastomosis staple tight closure, guarantees that suture tissue continues without leaking.
Figure 11 is the structure perspective diagram of one of this utility model embodiment nail anvil of (being used for ring-like sandwich stapler-type digestive tract anastomosis cutting closer), the nail kit of coincideing and membranoid substance; Figure 12 and 13 is one of this utility model embodiment described use sandwich stapler-type digestive tract anastomosis cutting closer and two groups of sandwich structure perspective diagrams that anastomosis staple is implemented to form after the anastomosis operation stitching.In one embodiment, membranoid substance has a plurality of via hole 40 corresponding first group and second group of anastomosis staple 7 and 71.When using anastomat and membranoid substance in surgical operation, the anastomosis staple of anastomat passes anastomosis staple groove jaw by the anastomosis staple via hole 40 of aiming at the single anastomosis staple of upper strata membranoid substance, then enters patient tissue, and is final by on nail anvil.In another embodiment, membranoid substance comprises a hole 10, and by hole, position 10 is aimed at the position post 20 in the nail anvil, the nail kit of will coincideing is aimed at (as shown in figure 11) with membranoid substance.
Figure 12 and 13 is one of this utility model embodiment described use sandwich stapler-type digestive tract anastomosis cutting closer and two groups of sandwich structure perspective diagrams that anastomosis staple is implemented to form after the anastomosis operation stitching.Above-mentioned membranoid substance can be used for connecting line style operation anastomat or ring-like operation anastomat.Membranoid substance can be any shape, usually can cooperate and cover the concordant profipole part that operation anastomat stays.The shape that is fit to comprise rectangular strip (for example: the line style anastomat) and annular distance (for example: ring-like anastomat).The transverse shape of supporting construction comprises various cross-section sections, for example, is generally rectangle, circle (such as Figure 12), oval (such as Figure 13), triangle and arc etc.
The thickness of membranoid substance can be by polymerization on the mould the amount of monomer composition control.In one embodiment, the suitable thickness of membranoid substance is about 0.1~5mm.In another embodiment, the ring width of annular membrane is 1.5~3.0mm, and thickness is 0.1~1.0mm.In another embodiment, the width of strip film is 1.5~5mm, and thickness is 0.1~1.0mm.
In one embodiment, can predict, membranoid substance has elasticity and hardness.Membranoid substance has elasticity, can adapt to the surface of biological tissue, and simultaneously, it also has hardness, can oppress tissue, makes anastomosis staple fixing in position.
In one embodiment, membranoid substance uses degradable polymer as raw material.In another embodiment, membranoid substance uses the non-degradable polymer as raw material.In another embodiment, membranoid substance is a kind of in silica gel membranoid substance, Poly(D,L-lactide-co-glycolide membranoid substance, polylactic acid-based membranaceous thing and the polyoxyethylene membranoid substance.
Figure 14 is the sandwich structure schematic cross-sectional view that forms after the membranoid substance enforcement anastomosis operation stitching of the described use sandwich of one of this utility model embodiment stapler-type digestive tract anastomosis cutting closer and two kinds of different-thickness.In one embodiment, membranoid substance comprises two-layer at least, can delineate out two zones, longitudinal length such as the H1(membranoid substance anastomosis staple of upper layer film shape thing 11) and H2(upper strata membranoid substance length), and the longitudinal length of the H3(membranoid substance anastomosis staple of lower floor's membranoid substance 21) and H4(lower floor membranoid substance length).In one embodiment, the longitudinal length H1 of membranoid substance anastomosis staple is 5%~95% of upper strata membranoid substance length H2, and therefore, acting on structural strength will be different because of the difference of membranoid substance thickness.In another embodiment, the longitudinal length H1 of membranoid substance anastomosis staple is 35%~95% of upper strata membranoid substance length H2, and therefore, acting on structural strength will be different because of the difference of membranoid substance thickness.In another embodiment, the length of first group of anastomosis staple is 65%~85% of second group of anastomosis staple length, and therefore, acting on structural strength will be different because of the difference of anastomosis staple length.In another embodiment, integral fasteners, for example fixed anastomosis staple can be used for replacing two jaws or two finger, forms single jaw or single finger.Thicker part will be more near the center of identical nail kit.In the situation that anastomosis staple length is identical, membranoid substance is thicker, acts on structural extruding force just larger.In one embodiment, the via hole that thicker zone will more be opened near cutter, therefore, acting on structural strength will be different because of the difference of membranoid substance thickness.
In another embodiment, tissue apposition sandwich stapler-type digestive tract anastomosis cutting closer except the variation of membranoid substance thickness, therefore, acts on different and different that structural strength will be because of anastomosis staple length and membranoid substance thickness.
In another embodiment, can predict, at the membranoid substance of the location application even thickness of first group of anastomosis staple, but may fluted hole on the membranoid substance, therefore the effective thickness of membranoid substance in fact can be more thinner, because recess hole has reduced thickness, is equivalent to membranoid substance thickness different.
Refer again to Figure 14, in one embodiment, except upper strata membranoid substance 11 and lower floor's membranoid substance 21, also be equipped with extra play 10 and 22.Above-mentioned extra play can be biological non-degradable material, and therefore, this layer finally can be integrated with anastomosis staple.In the situation that double-deck membranoid substance, anastomosis staple may come off, so that outside operation is mobile with nail, therefore, should reduce the probability that anastomotic stricture and inflammation occur. Extra play 10 and 22 will be the non-degradable material, have certain hardness and toughness, to resist various chemical reactions.Extra play can prevent impossible event, and the intensity of double-deck membranoid substance can not keep the integration of itself and two groups of anastomosis staples, and because of with bioenvironmental interactional dying down the time, extra play can keep the intensity of needs at duplicature.
The method of suture tissue is disclosed in another embodiment.The method may further comprise the steps:
Tissue apposition sandwich stapler-type digestive tract anastomosis cutting closer need be provided, and it comprises that flexible handle part, the terminal identical nail kit that links to each other of device body part, device body that extends out from handle end make up and the upper strata membranoid substance.Described identical nail kit combination comprises identical nail kit, the nail seat of coincideing, at least first row and second row anastomosis staple, wherein, the length of first row anastomosis staple is 5%~95% of second row anastomosis staple length, and therefore, acting on structural strength will be different because of the difference of anastomosis staple length; Wherein, the upper strata membranoid substance directly contacts the tissue (tissue that contacts the nail kit surface that coincide with at least one is vertically arranged side by side) on adjacent identical nail kit surface.Use the anastomosis staple groove with first row and second row anastomosis staple implantation upper strata membranoid substance and need suture tissue, the upper strata membranoid substance is close to first and second tissue that to sew up; The tissue of the upper strata membranoid substance being close to the identical nail kit surface of contact anastomosis staple groove.
In another embodiment, the method for suture tissue comprises, with respect to identical nail seat, moves the nail kit of coincideing, and then the upper strata membranoid substance is close to the tissue that needs are sewed up.
In one embodiment, the step of tissue of the upper strata membranoid substance being close to the identical nail kit surface of contact anastomosis staple groove also comprises: the tissue of lower floor's membranoid substance being close to the anastomosis staple seating face of contact anastomosis staple groove; The tissue that needs are sewed up places between the identical nail seat and lower floor's membranoid substance of anastomosis staple groove.
In another embodiment, provide the step for the treatment of suture tissue at least also to comprise: to choose and for the preparation of the operating suture tissue for the treatment of; To treat the suture tissue alignment, to help the location of organization center's position surgical fastener.
In another embodiment, the method of suture tissue comprises by the bonding strength between first row and second row anastomosis staple and the membranoid substance relict texture, from tissue, take the first row of body rejection institute discharge from tissue and the step of second row anastomosis staple fully out of, wherein, first and second membranoid substance can drive the staple that breaks away from from tissue at last to some rigidity relict texture of major general.

Claims (9)

1. sandwich stapler-type digestive tract anastomosis cutting closer, it is characterized in that being provided with flexible handle, from the extended device body of handle end, with terminal identical nail kit and the membranoid substance that links to each other of device body; Described identical nail kit is provided with nail kit, nail seat, first group of anastomosis staple and second group of anastomosis staple, and the length of described first group of anastomosis staple is 5%~95% of second group of anastomosis staple length; Described membranoid substance directly contacts the nail kit surface; Described membranoid substance is established upper strata membranoid substance and lower floor's membranoid substance, and described upper strata membranoid substance directly contacts the nail kit surface, the direct contact stud seating face of described lower floor membranoid substance, and upper strata membranoid substance, intestinal wall and lower floor's membranoid substance form sandwich structure.
2. a kind of sandwich stapler-type digestive tract anastomosis cutting closer as claimed in claim 1, the length that it is characterized in that described first group of anastomosis staple is 35%~95% of second group of anastomosis staple length.
3. a kind of sandwich stapler-type digestive tract anastomosis cutting closer as claimed in claim 2, the length that it is characterized in that described first group of anastomosis staple is 65%~85% of second group of anastomosis staple length.
4. a kind of sandwich stapler-type digestive tract anastomosis cutting closer as claimed in claim 1 is characterized in that described membranoid substance adopts annular membrane or strip film, and the ring width of described annular membrane is 1.5~3.0mm, and the thickness of annular membrane is 0.1~1.0mm.
5. a kind of sandwich stapler-type digestive tract anastomosis cutting closer as claimed in claim 4, the width that it is characterized in that described strip film is 1.5~5mm, thickness is 0.1~1.0mm.
6. a kind of sandwich stapler-type digestive tract anastomosis cutting closer as claimed in claim 1 is characterized in that described upper strata membranoid substance establishes two-layer at least.
7. a kind of sandwich stapler-type digestive tract anastomosis cutting closer as claimed in claim 1 is characterized in that described first group of anastomosis staple and second group of anastomosis staple are linear arrangement, and described linear arrangement adopts and is arranged in parallel or longitudinal arrangement; Described first group of anastomosis staple and second group of anastomosis staple are plug-in type, and nail seat and nail kit are for being flexibly connected.
8. a kind of sandwich stapler-type digestive tract anastomosis cutting closer as claimed in claim 1 is characterized in that described nail kit adopts the anastomosis staple nail bin, and described nail seat adopts the anastomosis staple nail anvil.
9. a kind of sandwich stapler-type digestive tract anastomosis cutting closer as claimed in claim 1 is characterized in that also being provided with the cutter for unnecessary tissue on the excision digestive tract.
CN2012204312634U 2012-08-28 2012-08-28 Sandwich stapler type alimentary canal fitting cutting closing device Expired - Fee Related CN202821486U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102813540A (en) * 2012-08-28 2012-12-12 刘忠臣 Sandwich stapler type digestive tract anastomosis incision stitching instrument
CN104287800A (en) * 2013-07-18 2015-01-21 张力 Full automatic knotting-free laparoscope stitching instrument
CN105496482A (en) * 2016-01-25 2016-04-20 北京天助畅运医疗技术股份有限公司 Absorbable screw and soft tissue fixing device containing same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102813540A (en) * 2012-08-28 2012-12-12 刘忠臣 Sandwich stapler type digestive tract anastomosis incision stitching instrument
WO2014032334A1 (en) * 2012-08-28 2014-03-06 Liu Zhongchen Sandwich stapler type gastrointestinal tract anastomotic cutting and closure device
CN104287800A (en) * 2013-07-18 2015-01-21 张力 Full automatic knotting-free laparoscope stitching instrument
CN105496482A (en) * 2016-01-25 2016-04-20 北京天助畅运医疗技术股份有限公司 Absorbable screw and soft tissue fixing device containing same

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Assignee: Medical (Xiamen) Medical Technology Co., Ltd.

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Denomination of utility model: Sandwich stapler type alimentary canal fitting cutting closing device

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