CN201939414U

CN201939414U - Tissue clamp

Info

Publication number: CN201939414U
Application number: CN2011200198777U
Authority: CN
Inventors: 蒋松波; 田润亭; 吴立刚
Original assignee: Changzhou Sanlian Xinghai Medical Instrument Co Ltd
Current assignee: Jiangsu Sanlian Xinghai Medical Equipment Co., Ltd
Priority date: 2011-01-21
Filing date: 2011-01-21
Publication date: 2011-08-24
Anticipated expiration: 2021-01-21

Abstract

The utility model relates to a tissue clamp, which clinically belongs to medical instruments of surgical implants and is provided with an upper clamp part, a lower clamp part and an adjusting hole. The upper arc clamp part and the lower arc lamp part are fitted with each other and bent in the same direction. A clamping groove is arranged at the head of the upper clamp part, a clamping piece is arranged at the head of the lower clamp part, the adjusting hole is arranged at the connection position of the upper clamp part with the lower clamp part, first outer serrated anti-slip projections and first inner serrated anti-slip projections are arranged on the inner side of the upper clamp part, second outer serrated anti-slip projections and second inner serrated anti-slip projections are arranged on the inner side of the lower clamp part, the two groups of outer serrated anti-slip projections and the two groups of inner serrated anti-slip projections form a serrated meshing structure for preventing tissue from slipping, and reinforced hemostatic grooves are arranged on the inner side of the upper clamp part, and reinforced hemostatic grooves are arranged on the lower clamp part. The tissue clamp is reasonable in design, the serrated meshing structure is matched with a self-interlocking fastening structure, and thereby the problem of slipping of a U-shaped titanium clamp due to the fact that no self-locking is provided at a closure position of the U-shaped titanium clamp is solved.

Description

Tissue holder

Technical field

The utility model relates to a kind of tissue holder, is a kind of surgical implant class medical apparatus and instruments that belongs to clinically.

Background technology

In the human body surgical operation, in case in the human body body, find focus, need excision, in inadvertent closure, intracorporeal organ needs temporary close, even need forever close.

Existing technology:

The one, to carry out suturing with thread management and close closing the position in the body, its defective is that operating time is long, operating difficulty is big, requires the doctor to have very strong stitching knotting technology, tightly can not cause loose ends or off-line phenomenon just in case toe-in is pricked, and cause that patient is hemorrhage, and wound healing is slow.

The 2nd, other tissue holders such as metal clip commonly used (titanium folder, silver brain clip), are generally U type metal clip.When clinical use, use the special-purpose Clip Applier of organizing, metal clip is set in the chuck of organizing the Clip Applier head, discharge then, be about to organize the chuck of Clip Applier to clamp, the Clip Applier that withdraws from an organization then, U type metal clip will be clipped together in closed organizing tightly.This metal clip is simple because of using, and determined curative effect has obtained using widely clinically.After its defective is the distortion of U type titanium folder, because of its closed no self-locking in place, under by the effect of the elastic restoring force of folder tissue, slip phenomenon appears, organizing not only to closure less than closure function, and be slipped to easily with the interior foreign body that becomes, cause the tissue adhesion easily at some important vessel, neural position and block.The clamping force of metal clip is crossed conference and is pressed quick-fried tissue in addition, can cause operative failure.

In addition, also developed non-absorption polymer artificial synthetic material folder in the prior art, as the Brunswick ligation lock (Hem-o-lok) of the U.S. (Weck Co.), this non-absorption polymer artificial synthetic material folder also forms foreign body easily in vivo and is organized parcel.For solving this clinical problem, it would be desirable the absorbable tissue clamp that Biodegradable material is made, as (the Johnson ﹠amp of Johson ﹠ Johnson of the U.S.; Johnson Ltd) the absorbed vessel sealing of Development and Production folder ABSOLOK(claims PDS Clip again), adopt absorbable suture material Polydioxanone to make, degradation time is about 7 months.The absorbed vessel sealing folder (Laprp-Clip) of the Tai Ke company of the U.S. (Tyco Ltd) Development and Production also is to adopt the material of its absorbable suture Dixon/Maxion to make about 6 months of degradation time.Johson ﹠ Johnson can absorb vessel sealing folder ABSOLOK(and claim PDS Clip again) because chance water (comprising blood, body intraluminal fluid etc.) is softening rapidly easily, closed strength is not strong, has oozing phenomenon.The absorbed vessel sealing folder (Laprp-Clip) of the Tai Ke company of the U.S. (Tyco Ltd) Development and Production can be with outwards extruding of tissue when clip is closed fully, cause closure not firm, to hardened pipeline such as hardened cystic duct, often powerless, sometimes even the pinch off phenomenon occurs.

Summary of the invention

The purpose of this utility model is at above-mentioned weak point, a kind of tissue holder is provided, by being arranged on the buckle structure that profile of tooth occlusion structure on upper clamp and the lower clamp cooperates mutual self-locking, after having solved the distortion of U type titanium folder, because of its closed no self-locking in place, under by the effect of the elastic restoring force of folder tissue, slip phenomenon appears.Tongue and groove is strengthened the buckle structure that hemostatic structures cooperates mutual self-locking, has solved the conventional organization folder, because folder closes the not firm insecurity that causes closed place oozing of blood of aftershaping gap locking.The clamping force of metal clip is crossed conference and is pressed quick-fried tissue in addition, can cause operative failure.

Tissue holder is to take following technical scheme to realize: tissue holder has upper clamp, lower clamp and adjustment hole, upper clamp and lower clamp are to cooperatively interact and the arc upper clamp and the arc lower clamp of equidirectional bending, avoided the shear action of tissue holder to tissue effectively, tissue is cut off in prevention; Be provided with draw-in groove at the upper clamp head; Be provided with clamp at the lower clamp head, power effect outside, clamp on the head of lower clamp and described draw-in groove block the buckle structure that forms self-locking mutually; Be provided with adjustment hole at upper clamp and lower clamp junction; Be provided with external tooth form anti-skidding protruding one and internal tooth form anti-skidding protruding at the upper clamp medial surface, the lower plate medial surface is provided with external tooth form anti-skidding protruding two and internal tooth form anti-skidding protruding two, described two groups of anti-skidding projectioies of external tooth form and the anti-skidding profile of tooth occlusion structure that raises into of internal tooth form prevent to organize slippage; Be provided with reinforcement hemostasis groove in the upper clamp inboard, the lower clamp inboard is provided with strengthens the hemostasis tongue.

Outside described upper clamp head, be provided with and organize Clip Applier clamp axis one, outside described lower clamp head, be provided with and organize Clip Applier clamp axis two, conveniently to organize the Clip Applier gripping, organize Clip Applier clamp axis one and the size and dimension of organizing Clip Applier clamp axis two and to organize Clip Applier to require consistent, with organize Clip Applier supporting, described single-shot formula applicator that Clip Applier adopts safe section medical device or Brunswick Hem-0-lok Clip Applier of thyrite good fortune medical device etc. organized.

Described adjustment hole is the automatic adjustment hole in the closed gap of crescent, when tissue is closed between upper clamp and lower clamp by folder, by the closed size of the closed gap of crescent self adaptation adjustment hole, the tissue thickness that is closed by folder in the middle of adapting to.

The described reinforcement hemostasis groove and the tongue of strengthening stopping blooding are step, and the formation tongue and groove of working in coordination is strengthened hemostatic structures, strengthens hemostasis.

This utility model tissue holder is in use by organizing the Clip Applier gripping to organize Clip Applier clamp axis one and organizing Clip Applier clamp axis two, pressed from both sides by position tissue around the ligation tissue, on the handle of tissue forceps, apply enough strength, so that make tissue holder draw-in groove and clamp interlocking, thereby make tissue holder upper clamp and lower clamp interlock close tissue, unclamp the handle of tissue forceps, allow tissue forceps get back to enough big position and get final product.

This utility model still has multiple specific embodiment.All employings are equal to replacement or equivalent transformation and all technical schemes of forming, all drop in the claimed scope of this utility model.

This utility model tissue holder is reasonable in design, and the profile of tooth occlusion structure cooperates the buckle structure of mutual self-locking, solved the folder distortion of U type titanium after, because of its closed no self-locking in place, under the effect of the elastic restoring force of being organized by folder, slip phenomenon appears.Tongue and groove is strengthened the buckle structure that hemostatic structures cooperates mutual self-locking, guarantees to step up tissue, has solved the conventional organization folder, because folder closes the not firm insecurity that causes closed place oozing of blood of aftershaping gap locking.Cooperatively interact and the arc upper clamp of equidirectional bending and arc lower clamp cooperate the design of the automatic adjustment hole in the closed gap of crescent, strengthened the motility that product has strengthened product, and to the adaptability of different-thickness tissue.

Description of drawings

The utility model is described in further detail below with reference to accompanying drawing:

Fig. 1 is the structural representation of this utility model tissue holder.

Among the figure: 1, upper clamp, 2, lower clamp, 3, adjustment hole, 4, draw-in groove, 5, clamp, 6, anti-skidding protruding one, 7, the internal tooth form anti-skidding protruding of external tooth form, 8, external tooth form anti-skidding protruding two, 9, internal tooth form anti-skidding protruding two, 10, strengthen the hemostasis groove, 11, strengthen the hemostasis tongue, 12, organize Clip Applier clamp axis one, 13, organize Clip Applier clamp axis two.

The specific embodiment

With reference to accompanying drawing 1, tissue holder has upper clamp 1, lower clamp 2 and adjustment hole 3, and upper clamp 1 and lower clamp 2 avoided the shear action of tissue holder to tissue effectively for cooperatively interacting and the arc upper clamp and the arc lower clamp of equidirectional bending, and tissue is cut off in prevention; Be provided with draw-in groove 4 at upper clamp 1 head; Be provided with clamp 5 at lower clamp 2 heads, power effect outside, the clamp 5 on the head of lower clamp 2 blocks the buckle structure that forms self-locking mutually with described draw-in groove 4; Be provided with adjustment hole 3 at upper clamp 1 and lower clamp 2 junctions; Be provided with external tooth form anti-skidding protruding 1 and internal tooth form anti-skidding protruding 1 at upper clamp 1 medial surface, lower plate 2 medial surface are provided with external tooth form anti-skidding protruding 28 and internal tooth form anti-skidding protruding 29, described external tooth form anti-skidding protruding 1 and internal tooth form anti-skidding protruding 1, external tooth form anti-skidding protruding 28 and internal tooth form anti-skidding protruding 29 one-tenth profile of tooth occlusion structures prevent to organize slippage; Be provided with reinforcement hemostasis groove 10 in upper clamp 1 inboard, lower clamp 2 inboards are provided with strengthens hemostasis tongue 11.

Outside described upper clamp 1 head, be provided with and organize Clip Applier clamp axis 1, outside described lower clamp 2 heads, be provided with and organize Clip Applier clamp axis 2 13, conveniently to organize the Clip Applier gripping, organize Clip Applier clamp axis 1 and the size and dimension of organizing Clip Applier clamp axis 2 13 and to organize Clip Applier to require consistent, with organize Clip Applier supporting, described single-shot formula applicator that Clip Applier adopts safe section medical device or Brunswick Hem-0-lok Clip Applier of thyrite good fortune medical device etc. organized.

Described adjustment hole 3 is the automatic adjustment hole in the closed gap of crescent, when tissue is closed between upper clamp 1 and lower clamp 2 by folder, by the closed size of the closed gap of crescent self adaptation adjustment hole, the tissue thickness that is closed by folder in the middle of adapting to.

The described reinforcement hemostasis groove 10 and the tongue 11 of strengthening stopping blooding are step, and the formation tongue and groove of working in coordination is strengthened hemostatic structures, strengthens hemostasis.

Claims

1. tissue holder is characterized in that having upper clamp, lower clamp and adjustment hole, and upper clamp and lower clamp are to cooperatively interact and the arc upper clamp and the arc lower clamp of equidirectional bending; Be provided with draw-in groove at the upper clamp head; Be provided with clamp at the lower clamp head; Be provided with adjustment hole at upper clamp and lower clamp junction; Be provided with external tooth form anti-skidding protruding one and internal tooth form anti-skidding protruding at the upper clamp medial surface, the lower plate medial surface is provided with external tooth form anti-skidding protruding two and internal tooth form anti-skidding protruding two, described two groups of anti-skidding projectioies of external tooth form and the anti-skidding profile of tooth occlusion structure that raises into of internal tooth form prevent to organize slippage; Be provided with reinforcement hemostasis groove in the upper clamp inboard, the lower clamp inboard is provided with strengthens the hemostasis tongue.

2. tissue holder according to claim 1 is characterized in that being provided with outside described upper clamp head and organizes Clip Applier clamp axis one, is provided with in the described lower clamp head outside and organizes Clip Applier clamp axis two.

3. tissue holder according to claim 1 is characterized in that described adjustment hole is the automatic adjustment hole in the closed gap of crescent.

4. tissue holder according to claim 1 is characterized in that described reinforcement hemostasis groove and strengthens the hemostasis tongue being step, and the formation tongue and groove of working in coordination is strengthened hemostatic structures.