CN203169244U - Split type absorbable biological nail anorectal and gastrointestinal anastomat with needles - Google Patents
Split type absorbable biological nail anorectal and gastrointestinal anastomat with needles Download PDFInfo
- Publication number
- CN203169244U CN203169244U CN 201320133163 CN201320133163U CN203169244U CN 203169244 U CN203169244 U CN 203169244U CN 201320133163 CN201320133163 CN 201320133163 CN 201320133163 U CN201320133163 U CN 201320133163U CN 203169244 U CN203169244 U CN 203169244U
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- nail
- needles
- assembly
- anastomosis
- anorectal
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Abstract
The utility model discloses a split type absorbable biological nail anorectal and gastrointestinal anastomat with needles. The split type absorbable biological nail anorectal and gastrointestinal anastomat with the needles comprises an osculating assembly, a percussion handle assembly, a nail abutting seat assembly and a lead screw assembly which penetrates through the osculating assembly. The nail abutting seat assembly is provided with a locating guide shaft, a nail abutting seat and a pad cutter ring, wherein the pad cutter ring is installed on the nail abutting seat. The osculating assembly comprises an annular cutter, a nail bin sleeve, a nail pushing piece and a nail bin which is fixed at the front end of the nail bin sleeve. The nail abutting seat assembly is arranged at one end of the lead screw assembly in an inserting mode through the locating guide shaft, an adjusting nut assembly is arranged at the other end of the lead screw assembly, a fixing handle assembly is arranged at the tail portion of the osculating assembly, a plurality of tissue penetrating needles are fixed at the head end of the nail pushing piece, a plurality of anastomotic needles made of a biodegradable material are arranged in the nail bin, the anastomotic needles are sleeved on the tissue penetrating needles, needle heads of the tissue penetrating needles are exposed out of the anastomotic needles, pressing caps which can clamp and fix the anastomotic needles are arranged at positions, corresponding to the anastomotic needles, on the nail abutting seat, and the pressing caps are also made of the biodegradable material. According to the split type absorbable biological nail anorectal and gastrointestinal anastomat with the needles, the anastomotic needles can be degraded in a human body, so that the phenomenon of operation sequelae caused by the fact that the anastomotic needles are left in the human body is avoided.
Description
Technical field
This utility model relates to a kind of split type absorbable biological nail band pin anorectal, gastrointestinal anastomosis device, belongs to medical instruments field.
Background technology
At present, in the surgical operation for anorectal, gastrointestinal use anastomat to coincide all to adopt titanium nail and stainless steel nail as stapler to anorectal, coincide after the gastrointestinal excision, the back titanium nail that coincide is namely stayed in the human body, automatically come off by the meeting that has behind the growth anastomotic healing, stay in the body mostly, though titanium nail material is better to human compatibility, meet the national requirements human implantable, but stay in the human body for a long time as a foreign body, no matter all can produce certain influence psychologically from fact saying still, in existing document, do not see the interrelated data that titanium alloy has no effect to human body yet, so there is foreign body total not as there not being foreign body good in human body, whether can design the anastomat that does not stay foreign body after a kind of surgical stapling healing of novelty, match result can meet suitable clinical fully, and this problem is badly in need of solving.
Summary of the invention
Technical problem to be solved in the utility model is the defective that overcomes prior art, a kind of split type absorbable biological nail band pin anorectal, gastrointestinal anastomosis device are provided, its nail supporting base assembly can disassemble cleaning easily, and anastomosis staple is degraded in human body, avoid anastomosis staple in human body, to be detained and the operation sequela phenomenon that occurs.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of split type absorbable biological nail band pin anorectal, the gastrointestinal anastomosis device, comprise anastomosis cut component, the firing handle assembly, nail supporting base assembly and the screw component that passes anastomosis cut component, the nail supporting base assembly has the positioning and guiding axle, nail supporting base and knife washer, knife washer is installed on the nail supporting base, anastomosis cut component comprises endless knife, the nail bin cover, pushing slice of nail and the nail bin that is fixed on nail bin cover front end, the nail supporting base assembly is inserted into an end of screw component by the positioning and guiding axle, the other end of screw component is provided with the adjusting nut assembly, the afterbody of anastomosis cut component is equipped with the fixed handle assembly, the head end of pushing slice of nail fixedly has some tissue penetration pins, have some anastomosis staples of being made by Biodegradable material in the nail bin, anastomosis staple is sleeved on the tissue penetration pin, and the syringe needle of tissue penetration pin exposes anastomosis staple, be provided with the pressure cap that can fix anastomosis staple with the corresponding position of a plurality of anastomosis staples on the described nail supporting base, pressure cap is also made by Biodegradable material.
Further, the inwall of described pressure cap front portion is the contraction-like structure to the nail supporting base direction, and has open slot on this position, and described anastomosis staple has nail head and pressure cap auxiliary section, and the diameter of pressure cap auxiliary section is littler than nail head.
Further, described Biodegradable material is polylactic acid or pla-pcl or polyglycolic acid, or at least two kinds copolymer in polylactic acid, pla-pcl and the polyglycolic acid.
Further, described Biodegradable material is collagen protein or chitosan or hyaluronic acid, or is alginate and derivant thereof.
Further, the tail end of described positioning and guiding axle has holding division, and the head end of described screw component has the inlaid hole that cooperates with holding division, and described holding division is inserted in the inlaid hole.
After having adopted technique scheme, use Biodegradable material to make anastomosis staple, revolutionary variation has taken place in the anastomosis staple of this kind material, former anastomat is to utilize the stapler principle, material is titanium alloy wire and stainless steel silk, existing anastomosis staple material is a kind of a kind of macromolecular material absorbed by the body, it or not peg, so its identical principle has taked the method for a kind of bayonet type and compression type two unifications to reach identical purpose, the bayonet type ejector pin is adopted in the design of anastomosis staple, its ejector pin principle and former anastomat are constant, because the anastomosis staple of this kind material is a kind of high molecule plastic, it is sharp as metal staples that its nail head can't reach, so can't penetrate tissues such as intestinal wall well, at this situation, designed at pushing slice of nail and fixed sharp tissue penetration pin, by nail bin and anastomosis staple, when its percussion is sewed up, sharp tissue penetration pin at first pierces through tissues such as intestinal wall, and its anastomosis staple is followed penetrate tissue, penetrates the pressure cap in the nail supporting base in the time of penetrate tissue.Because open slot has been designed in the inwall front portion of pressure cap, when passing, the anastomosis staple interference utilize opening to strut, swollen Kaiyuan reason, anastomosis staple passes, because there is a shoulder nail head and pressure cap auxiliary section, when anastomosis staple penetrates into the pressure cap auxiliary section, the pressure cap retraction, stitching stops, only anastomosis staple shoulder place is stuck on the pressure cap and can't retreats, thereby has clamped suture tissue, has reached sewing effect, endless knife in the middle of sewing up simultaneously cuts endoporus and arrives maximum penetrating hole effect, in addition, the nail supporting base assembly is inserted on the screw component by the positioning and guiding axle, can disassemble easily to clean and repair.
The utlity model has following beneficial effect:
1, it uses operation principle identical with former anastomat, need not to change its use habit;
2, penetrate tissue has designed sharp tissue penetration pin, utilizes the tissue penetration pin to penetrate the back suture needle along tissue penetration pin penetrate tissue, and solving plastics does not have the not strong defective of sharpness, penetrate tissue;
3, in penetrate tissue, its endless knife is carried out the inscribe hole and penetrates pressure cap that to sew up a gas synthetic;
4, nail supporting base assembly of the present utility model can disassemble cleaning easily.
Description of drawings
Fig. 1 is the structural representation of split type absorbable biological nail band pin anorectal of the present utility model, gastrointestinal anastomosis device;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is the B portion enlarged drawing of Fig. 1.
The specific embodiment
Content of the present utility model is easier to be expressly understood in order to make, according to specific embodiment also by reference to the accompanying drawings, this utility model is described in further detail below,
Shown in Fig. 1 ~ 3, a kind of split type absorbable biological nail band pin anorectal, the gastrointestinal anastomosis device, comprise anastomosis cut component 5, firing handle assembly 1, nail supporting base assembly 6 and the screw component 4 that passes anastomosis cut component 5, nail supporting base assembly 6 has positioning and guiding axle 6-3, nail supporting base 6-2 and knife washer 6-4, knife washer 6-4 is installed on the nail supporting base 6-2, anastomosis cut component 5 comprises endless knife 5-3, nail bin cover 5-1, pushing slice of nail 5-2 and the nail bin 5-6 that is fixed on nail bin cover 5-1 front end, nail supporting base assembly 6 is inserted into an end of screw component 4 by positioning and guiding axle 6-3, the other end of screw component 4 is provided with adjusting nut assembly 2, the afterbody of anastomosis cut component 5 is equipped with fixed handle assembly 3, the head end of pushing slice of nail 5-2 fixedly has some tissue penetration pin 5-4, have some anastomosis staple 5-5 that made by Biodegradable material in the nail bin 5-6, anastomosis staple 5-5 is sleeved on the tissue penetration pin 5-4, and the syringe needle of tissue penetration pin 5-4 exposes anastomosis staple 5-5, nail supporting base 6-2 goes up and is being provided with the pressure cap 6-5 that can fix anastomosis staple 5-5 with the corresponding position of a plurality of anastomosis staple 5-5, and pressure cap 6-5 is also made by Biodegradable material.Tissue penetration pin 5-4 adopts draw point.
Shown in Fig. 2,3, the inwall front portion of pressure cap 6-5 is the contraction-like structure to nail supporting base 6-2 direction, and have open slot on this position, anastomosis staple 5-5 has nail head 5-5-1 and pressure cap auxiliary section 5-5-2, and the diameter of pressure cap auxiliary section 5-5-2 is littler than nail head 5-5-1.
As shown in Figure 1, 2, the tail end of positioning and guiding axle 6-3 has holding division 6-3-1, and the head end of screw component 4 has the inlaid hole 4-1 that cooperates with holding division 6-3-1, and holding division 6-3-1 is inserted in the inlaid hole 4-1.
Biodegradable material has but is not limited to: degradable synthesized polymer material, for example: polylactic acid or pla-pcl or polyglycolic acid, or at least two kinds copolymer in polylactic acid, pla-pcl and the polyglycolic acid; The natural degradable macromolecular material, for example, collagen protein, chitosan, hyaluronic acid, alginate and derivant thereof etc.
Operation principle of the present utility model is as follows:
Use Biodegradable material to make anastomosis staple 5-5, revolutionary variation has taken place in the anastomosis staple of this kind material, former anastomat is to utilize the stapler principle, material is titanium alloy wire and stainless steel silk, existing anastomosis staple material is a kind of a kind of macromolecular material absorbed by the body, it or not peg, so its identical principle has taked the method for a kind of bayonet type and compression type two unifications to reach identical purpose, the bayonet type ejector pin is adopted in the design of anastomosis staple 5-5, its ejector pin principle and former anastomat are constant, because the anastomosis staple of this kind material is a kind of high molecule plastic, it is sharp as metal staples that its nail head can't reach, thus can't penetrate tissues such as intestinal wall well, at this situation, designed at pushing slice of nail 5-2 and fixed sharp tissue penetration pin 5-4, by nail bin 5-6 and anastomosis staple 5-5, when its percussion was sewed up, sharp tissue penetration pin 5-4 at first pierced through tissues such as intestinal wall, its anastomosis staple 5-5 follows penetrate tissue, penetrates the pressure cap 6-5 in the nail supporting base 6-2 in the time of penetrate tissue.Because open slot has been designed in the inwall front portion of pressure cap 6-5, when passing, anastomosis staple 5-5 interference utilize opening to strut, swollen Kaiyuan reason, anastomosis staple 5-5 passes, because nail head 5-5-1 and pressure cap auxiliary section 5-5-2 have a shoulder, when anastomosis staple penetrates into pressure cap auxiliary section 5-5-2, pressure cap 6-5 retraction, stitching stops, only suture needle shoulder place is stuck on the pressure cap and can't retreats, thereby has clamped suture tissue, has reached sewing effect, endless knife in the middle of sewing up simultaneously cuts endoporus and arrives maximum penetrating hole effect, in addition, nail supporting base assembly 6 is inserted on the screw component 4 by positioning and guiding axle 6-3, can disassemble easily to clean and repair.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiment of the utility model; be not limited to this utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. a split type absorbable biological nail is with the pin anorectal, the gastrointestinal anastomosis device, comprise anastomosis cut component (5), firing handle assembly (1), nail supporting base assembly (6) and pass the screw component (4) of anastomosis cut component (5), nail supporting base assembly (6) has positioning and guiding axle (6-3), nail supporting base (6-2) and knife washer (6-4), knife washer (6-4) is installed on the nail supporting base (6-2), anastomosis cut component (5) comprises endless knife (5-3), nail bin cover (5-1), pushing slice of nail (5-2) and be fixed on the nail bin (5-6) of nail bin cover (5-1) front end, nail supporting base assembly (6) is inserted into an end of screw component (4) by positioning and guiding axle (6-3), the other end of screw component (4) is provided with adjusting nut assembly (2), the afterbody of anastomosis cut component (5) is equipped with fixed handle assembly (3), it is characterized in that: the head end of pushing slice of nail (5-2) fixedly has some tissue penetration pins (5-4), have some anastomosis staples of being made by Biodegradable material (5-5) in the nail bin (5-6), anastomosis staple (5-5) is sleeved on the tissue penetration pin (5-4), and the syringe needle of tissue penetration pin (5-4) exposes anastomosis staple (5-5), described nail supporting base (6-2) is gone up and is being provided with the pressure cap (6-5) that can fix anastomosis staple (5-5) with the corresponding position of a plurality of anastomosis staples (5-5), and pressure cap (6-5) is also made by Biodegradable material.
2. split type absorbable biological nail according to claim 1 is with pin anorectal, gastrointestinal anastomosis device, it is characterized in that: the inwall front portion of described pressure cap (6-5) is the contraction-like structure to nail supporting base (6-2) direction, and have open slot on this position, described anastomosis staple (5-5) has nail head (5-5-1) and pressure cap auxiliary section (5-5-2), and the diameter of pressure cap auxiliary section (5-5-2) is littler than nail head (5-5-1).
3. split type absorbable biological nail according to claim 1 and 2 is with pin anorectal, gastrointestinal anastomosis device, and it is characterized in that: described Biodegradable material is polylactic acid or pla-pcl or polyglycolic acid.
4. split type absorbable biological nail according to claim 1 and 2 is with pin anorectal, gastrointestinal anastomosis device, and it is characterized in that: described Biodegradable material is collagen protein or chitosan or hyaluronic acid.
5. split type absorbable biological nail according to claim 1 is with pin anorectal, gastrointestinal anastomosis device, it is characterized in that: the tail end of described positioning and guiding axle (6-3) has holding division (6-3-1), the head end of described screw component (4) has the inlaid hole (4-1) that cooperates with holding division (6-3-1), and described holding division (6-3-1) is inserted in the inlaid hole (4-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320133163 CN203169244U (en) | 2013-03-22 | 2013-03-22 | Split type absorbable biological nail anorectal and gastrointestinal anastomat with needles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320133163 CN203169244U (en) | 2013-03-22 | 2013-03-22 | Split type absorbable biological nail anorectal and gastrointestinal anastomat with needles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203169244U true CN203169244U (en) | 2013-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320133163 Withdrawn - After Issue CN203169244U (en) | 2013-03-22 | 2013-03-22 | Split type absorbable biological nail anorectal and gastrointestinal anastomat with needles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203169244U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103126737A (en) * | 2013-03-22 | 2013-06-05 | 常州华森医疗器械有限公司 | Split type anorectal gastrointestinal anastomat provided with needles and capable of absorbing biological nails |
-
2013
- 2013-03-22 CN CN 201320133163 patent/CN203169244U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103126737A (en) * | 2013-03-22 | 2013-06-05 | 常州华森医疗器械有限公司 | Split type anorectal gastrointestinal anastomat provided with needles and capable of absorbing biological nails |
| CN103126737B (en) * | 2013-03-22 | 2015-12-02 | 常州华森医疗器械有限公司 | Split type absorbable biological nail band pin anorectal, gastrointestinal anastomosis device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130904 Effective date of abandoning: 20151202 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |