CN2875334Y - Absorbable tissue clamp - Google Patents
Absorbable tissue clamp Download PDFInfo
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- CN2875334Y CN2875334Y CN 200520066078 CN200520066078U CN2875334Y CN 2875334 Y CN2875334 Y CN 2875334Y CN 200520066078 CN200520066078 CN 200520066078 CN 200520066078 U CN200520066078 U CN 200520066078U CN 2875334 Y CN2875334 Y CN 2875334Y
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- arm
- self
- head
- tissue clamp
- absorbable tissue
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Abstract
An absorbable tissue holder, because the tissue holder is made from the biodegradable materials that can be a long-term implanted in human body, the head part of a curved arm is provided with a pair of self-locking devices that can coordinate with each other, and the two devices bend toward the curved arm in the same direction, thus to form a V-shaped structure, the curved arm with the self-locking devices can not only have the strong clipping strength, but can also avoid cutting off the tissue during the process of closure, at the same time, the utility model can be fully degraded and absorbed and will not cause the tissue adhesion and obstruction.
Description
Technical field
This utility model relates to a kind of tissue holder, particularly the biodegradation tissue holder of operation use.
Background technology
In the prior art, use maximum Titaniums that is still to press from both sides with closed, be generally ∪ type titanium folder in the ligation of surgical operation blood vessel and other vasculars.When clinical use, use special-purpose operating forceps, the titanium folder is set in the chuck of operating forceps, discharge then, the chuck that is about to operating forceps clamps, and withdraws from operating forceps then, and ∪ type titanium folder will be clipped together in closed organizing tightly.This titanium folder is simple because of using, and determined curative effect has obtained using widely clinically.Yet in some cases, after the distortion of ∪ type titanium folder, under by the effect of the elastic restoring force of folder tissue, slip phenomenon appears, not only to organizing that folder closes less than closure function, and be slipped to easily and become foreign body in the body, cause the tissue adhesion easily at some important vessel, neural position and block.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, (the Johnson ﹠amp of the Johson ﹠ Johnson of the U.S.; Johnson Ltd) Development and Production absorbed vessel sealing folder ABSOLOK (claiming PDS Clip again), adopt absorbable suture material Polydioxanone to make about 7 months of degradation time.The absorbed vessel sealing folder (Lapro-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 (PDS Clip) because to meet water (comprising blood, body intraluminal fluid etc.) softening rapidly easily, and it is not strong that folder closes strength.The absorbed vessel sealing folder (Lapro-Clip) that U.S. Tai Ke company produces can cause closure not firm outwards extruding of tissue when clip is closed fully, and is often powerless for hardened pipeline such as hardened cystic duct, sometimes even disconnected folder occurs.For overcoming the shortcoming of prior art, need the new tissue holder of exploitation.
Summary of the invention
The purpose of this utility model provides a kind of absorbable tissue clamp, and to close strength not strong to solve in the existing product folder, in closing course to the shear action of tissue, and problems such as degraded and absorbed in human body.
A kind of absorbable tissue clamp is characterized in that described absorbable tissue clamp is:
A. with the biodegradation material manufacturing that can implant in the human body midium or long term;
B. there are two to cooperatively interact and to the arched arm of same direction bending;
C. the head at arched arm has a pair of self-locking device that can cooperatively interact;
D. described two arched arms constitute v-shaped structure.
---the structure of above-mentioned self-locking device is: on the head of an arched arm of absorbable tissue clamp (head that is called the outer arcuate arm again) through hole and chute are arranged, can form the self-locking structure that negative and positive cooperate with through hole along the head (head that is called the arc arm again) that chute slips into another arched arm in the through hole under the effect of external force.
---the structure of above-mentioned self-locking device is: the head of an arched arm of absorbable tissue clamp and the head of another arched arm form the embossed card fit structure.
---the side that above-mentioned arched arm cooperatively interacts is anti-skidding stricture of vagina.
---on the above-mentioned arched arm positioning step is arranged.
---above-mentioned biodegradation material refers to: polylactic acid, polylactic acid-copolyether, polycaprolactone, polycaprolactone-polyether block copolymer, the polycaprolactone copolymer, polycaprolactone-polyethers-polylactide copolymer, poly-(Acetic acid, hydroxy-, bimol. cyclic ester-polylactide) copolymer, Acetic acid, hydroxy-, bimol. cyclic ester-L-lactide-caprolactone copolymer, polycaprolactone-poly-second lactone-poly-glycolide copolymer and other fatty acid polyglycol lactone copolymers, and the blend of glue protein, chitosan, gelatin or alginate natural high molecular substance or above various materials.
---above-mentioned biodegradation material refers to: can be at the medium-term and long-term biodegradation material of implanting that contains polycaprolactone of human body.
---above-mentionedly can be meant polycaprolactone, through the polycaprolactone of radiation modification or add the polycaprolactone of cross-linking agent through radiation modification at the medium-term and long-term biodegradation material of implanting that contains polycaprolactone of human body.
---above-mentioned biodegradation material is meant that chitin fiber strengthens polycaprolactone composite material.
A kind of absorbable tissue clamp of this utility model, can be owing to adopted in the medium-term and long-term biodegradation material manufacturing of implanting of human body, head at arched arm has a pair of self-locking device that can cooperatively interact and two arched arms formation v-shaped structures to same direction bending, the arched arm of band self-locking device presss from both sides not only that to close strength strong, and avoided in the closing course shear action to tissue, degraded and absorbed fully in human body simultaneously can not cause the tissue adhesion and blocks.
Description of drawings
The structural representation of the absorbable tissue clamp of the self-locking structure that the negative and positive that have chute of Fig. 1 this utility model cooperate.
Structural representation when the product of Fig. 2 Fig. 1 is closed.
The cutaway view of Fig. 3 Fig. 2.
The structural representation of the absorbable tissue clamp of the self-locking structure that the band embossed card of Fig. 4 this utility model cooperates.
Structural representation when the product of Fig. 5 Fig. 4 is closed.
Fig. 6 this utility model cooperate the structural representation of the absorbable tissue clamp of self-locking structure with the embossed card of anti-skidding stricture of vagina and positioning step.
The structural representation of the absorbable tissue clamp of the self-locking structure that the negative and positive that chute is arranged with anti-skidding stricture of vagina of Fig. 7 this utility model cooperate.
The structural representation of the absorbable tissue clamp of the self-locking structure that the negative and positive that chute is arranged of the band positioning step of Fig. 8 this utility model cooperate.
The structural representation of the absorbable tissue clamp of the self-locking structure that the negative and positive that chute is arranged with anti-skidding stricture of vagina and positioning step of Fig. 9 this utility model cooperate.
Among the above-mentioned figure: 1 is biodegradation material, and 2 is arched arm, and 3 is self-locking device, and 4 is the head of outer arcuate arm, and 5 is through hole, and 6 is chute, and 7 is the head of arc arm, and 8 is anti-skidding stricture of vagina, and 9 is positioning step.
Specific embodiment
Selection can press the shape of product structural design mould of this utility model at the medium-term and long-term medical grade polycaprolactone of implanting of human body, presses the molding of medical grade polycaprolactone common processes in mould, the demoulding, and obtain the absorbable tissue clamp of this utility model.Purged and packed, by the common processes sterilization, after the assay was approved, can be in clinical practice.Referring to figs. 1 to Fig. 3, Fig. 7 to Fig. 9.
Fig. 1 is a kind of basic model product of the present utility model, and 3, two arched arms 2 of self-locking structure that adopted negative and positive to cooperate are certain flexibility to same direction with cooperatively interacting, and the absorbable tissue clamp of this utility model is two arched arms, 2 V-shaped structures when launching.In two arched arms 2, one is the outer arcuate arm, another is the arc arm, and the head 4 of outer arcuate arm has through hole 5, and the front end of through hole 5 has chute 6, under the effect of external force, the head 7 of arc arm slides to the through hole 5 on the head 4 of outer arcuate arm along chute 6, form negative and positive and cooperate, and the head 7 of arc arm is fixed in the through hole 5 on the head 4 of outer arcuate arm, form self-locking device 3, with reference to figure 2, Fig. 3.When the closed blood vessel of the absorbable tissue clamp of using this utility model clinically or bile duct or its hetero-organization, because two arms of v-shaped structure tissue holder are arc, not only are convenient to closing tissue, prevent slippage, and can effectively avoid shear action to tissue, tissue is cut off in prevention.Simultaneously chute 6 plays location and guiding function, and the head 7 of being convenient to the arc arm enters in the through hole 5 on the head of outer arcuate arm, has both guaranteed the self-locking effect, has made things convenient for operation simultaneously.Adopt the head 7 of this arc arm to enter the self-locking device 3 of the through hole 5 on the head of outer arcuate arm, can be so that the size of each parts of self-locking device 3 be even, uniformity in the degradation process in human body, in degradation process, still can keep self-locking effect preferably, avoided causing the tissue holder slippage owing to the inhomogeneous self-locking device that causes 3 of the size design of self-locking device 3 is clipped in inefficacy in advance in the degradation process at absorbable tissue.
For improving skid resistance, can on the side of closing tissue on the arched arm 2, make the anti-skidding stricture of vagina 8 of various different texture, for being convenient in demoulding, adopt the billet stricture of vagina that cooperatively interacts usually, with reference to figure 7, Fig. 9, Fig. 6.
With special-purpose operating forceps gripping, can make positioning step 9 on arched arm 2 for convenience, the size and dimension of positioning step 9 is consistent with the requirement of special-purpose operating forceps, and is supporting with special-purpose operating forceps, with reference to figure 6, Fig. 8, Fig. 9.
Select medical grade polycaprolactone-poly-second lactone-poly-glycolide copolymer, press the shape of product structural design mould of this utility model, in mould, press the common processes molding, the demoulding, and obtain the absorbable tissue clamp of this utility model.Purged and packed, technology sterilization routinely, after the assay was approved, can be in clinical practice.With reference to figure 4 to Fig. 6.
Fig. 4 is an another kind of basic model product of the present utility model, the self-locking structure 3 that has adopted embossed card to cooperate, two arched arms 2 are certain flexibility to same direction with cooperatively interacting, the absorbable tissue clamp of this utility model is two arched arms, 2 V-shaped structures when launching, in two arched arms 2, one is the outer arcuate arm, another is the arc arm, the head 4 of outer arcuate arm has barb, described barb can form embossed card with the head 7 of arc arm and cooperate, the head 7 of arc arm is stuck in the barb of head 4 of outer arcuate arm, forms self-locking device 3.Present embodiment, simple in structure, size is even, the self-locking device 3 that crooked arched arm 2 and embossed card cooperate, not only to close strength strong for folder, and avoided in the closing course shear action to tissue.As embodiment 1, the anti-skidding stricture of vagina 8 that also can make various different texture on the side of closing tissue on the arched arm 2 is to improve skidproof effect; Equally also can on arched arm 2, make and the supporting positioning step 9 of special-purpose operating forceps, make things convenient for operation technique.
Select the medical grade polycaprolactone or add the cross-linking agent polycaprolactone, press the shape of product structural design mould of this utility model, in mould, press the common processes molding, the demoulding, and obtain the absorbable tissue clamp of this utility model.Purged and packed, through radiation modification, to improve the elasticity of material, technology sterilization routinely at last, after the assay was approved, can be in clinical practice.
Select the medical grade chitin fiber to strengthen the polycaprolactone composite wood, press the shape of product structural design mould of this utility model, in mould, press the common processes molding, the demoulding, and obtain the absorbable tissue clamp of this utility model.Purged and packed, technology sterilization routinely at last, after the assay was approved, can be in clinical practice.
Select medical grade polylactic acid-copolyether, press the shape of product structural design mould of this utility model, in mould, press the common processes molding, the demoulding, and obtain the absorbable tissue clamp of this utility model.Purged and packed, technology sterilization routinely at last, after the assay was approved, can be in clinical practice.
Should be noted that herein openly can replace with the identical structure of other effect that the embodiment that while this utility model is introduced realizes unique structure of the present utility model with the structure of explanation.Though preferential embodiment of the present utility model is introduced in this article and is illustrated; but those skilled in the art know and know that these embodiment illustrate; those skilled in the art can make countless variations, improvement and replacement; and can not break away from this utility model; therefore, should be according to the next qualification protection domain of the present utility model of the spirit and scope of this utility model appending claims.
Claims (5)
1, a kind of absorbable tissue clamp is characterized in that described absorbable tissue clamp is:
A. with making at the medium-term and long-term biodegradation material of implanting (1) of human body;
B. there are two to cooperatively interact and, be respectively outer arcuate arm and arc arm to the arched arm (2) of same direction bending;
C. the head at arched arm (2) has a pair of self-locking device that can cooperatively interact (3);
D. described two arched arms (2) constitute v-shaped structure.
2, a kind of absorbable tissue clamp according to claim 1, the structure that it is characterized in that described self-locking device (3) is: through hole (5) and chute (6) are arranged on the head (4) of the outer arcuate arm of absorbable tissue clamp, can form the self-locking structure that negative and positive cooperate with through hole (5) along the head (7) that chute (6) slip into the arc arm in the through hole (5) under the effect of external force.
3, a kind of absorbable tissue clamp according to claim 1 is characterized in that the structure of described self-locking device (3) is: the head (4) of the outer arcuate arm of absorbable tissue clamp forms the embossed card fit structure with the head (7) of arc arm.
4,, it is characterized in that the side that described arched arm (2) cooperatively interacts is anti-skidding stricture of vagina (8) according to claim 1 or 2 or 3 described a kind of absorbable tissue clamps.
5,, it is characterized in that positioning step (9) is arranged on the described arched arm (2) according to the described a kind of absorbable tissue clamp of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520066078 CN2875334Y (en) | 2005-10-25 | 2005-10-25 | Absorbable tissue clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520066078 CN2875334Y (en) | 2005-10-25 | 2005-10-25 | Absorbable tissue clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2875334Y true CN2875334Y (en) | 2007-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520066078 Expired - Fee Related CN2875334Y (en) | 2005-10-25 | 2005-10-25 | Absorbable tissue clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2875334Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106102599A (en) * | 2014-12-12 | 2016-11-09 | 阿特瑞克尔公司 | Clip occluder |
| CN113613567A (en) * | 2019-03-18 | 2021-11-05 | 国立大学法人熊本大学 | Fixing clamp for residual end of organ excision part |
-
2005
- 2005-10-25 CN CN 200520066078 patent/CN2875334Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106102599A (en) * | 2014-12-12 | 2016-11-09 | 阿特瑞克尔公司 | Clip occluder |
| CN106102599B (en) * | 2014-12-12 | 2020-04-17 | 阿特瑞克尔公司 | Plugging clamp |
| CN113613567A (en) * | 2019-03-18 | 2021-11-05 | 国立大学法人熊本大学 | Fixing clamp for residual end of organ excision part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070307 Termination date: 20141025 |
|
| EXPY | Termination of patent right or utility model |