CN214857062U - Nail bin assembly of endoscope cutting anastomat - Google Patents
Nail bin assembly of endoscope cutting anastomat Download PDFInfo
- Publication number
- CN214857062U CN214857062U CN202023101576.7U CN202023101576U CN214857062U CN 214857062 U CN214857062 U CN 214857062U CN 202023101576 U CN202023101576 U CN 202023101576U CN 214857062 U CN214857062 U CN 214857062U
- Authority
- CN
- China
- Prior art keywords
- nail
- pushing
- matching groove
- cartridge
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a nail storehouse subassembly of chamber mirror cutting anastomat, including the storehouse body, nail anvil, push away the piece, push away the nail piece, coincide nail and elastic component, wherein: the near end of the bin body is hinged with the nail anvil, the nail pushing port is communicated with the mounting cavity, the first matching groove is communicated with the mounting cavity, and the first matching groove and the second matching groove both point to the far end from the near end; the two pushing parts are respectively connected with two sides of the connecting part, and each pushing part is provided with a pushing surface which is obliquely arranged and is abutted against the corresponding pushing piece. The utility model discloses in, when the ejector pin piece removed along first cooperation portion, connecting portion contradicted with second cooperation portion, consequently can receive the centre gripping mouth for a short time, press from both sides the tissue completely tight, continue to remove the ejector pin piece, promotion portion contradicts with the push jack to promote the push jack, make the anastomotic nail remove along the ejector pin mouth, and pierce through centre gripping tissue, crooked completion is sewed up when contacting with the nail anvil, cutting portion still cuts centre gripping tissue simultaneously, a structure is simple, high durability and convenient use, and assembly low in production cost.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specificly relate to a nail storehouse subassembly of chamber mirror cutting anastomat.
Background
At present, the endoscopic cutting anastomat is widely applied to one of instruments of minimally invasive surgery and is mainly used for cutting, transecting and anastomosing tissues in open type operations of abdominal surgery, gynecology, pediatrics and thoracic surgery. Surgical procedures have developed to date with an increasing trend toward minimally invasive procedures. In a broad sense, the operation capable of reducing the trauma is called a minimally invasive operation, and the minimally invasive operation in a narrow sense is generally considered to be an operation performed under an endoscope. Endoscopic surgery generally requires only a few small holes in the patient's body through which resection, suturing, and ancillary instruments are inserted into the patient for surgery. The minimally invasive surgery brings little wound to the patient, and the patient can recover in a short time, so the minimally invasive surgery is more and more emphasized by people.
When the existing endoscope cutting anastomat is used, tissues need to be clamped firstly, then cutting and suturing are carried out, the nail bin assembly is used as the most main component of the endoscope cutting anastomat and is in direct contact with human tissues, therefore, the endoscope cutting anastomat can only be used once and is discarded after being used up, however, the nail bin structure of the existing endoscope cutting anastomat used in the market is complex, the number of parts is large, the production cost is high, and the endoscope cutting anastomat is not easy to manufacture.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned technique not enough, provide chamber mirror cutting anastomat's nail storehouse subassembly for the complicated problem of chamber mirror cutting anastomat's nail storehouse subassembly structure among the solution prior art.
In order to achieve the technical purpose, the technical proposal of the utility model is as follows: the utility model provides a nail storehouse subassembly of chamber mirror cutting anastomat, its includes the storehouse body, nail anvil, push-off blades, push-off nail piece, anastomosis nail and elastic component, wherein: the nail anvil is provided with a second matching groove which is T-shaped, and the first matching groove and the second matching groove both point to the far end from the near end; the anastomosis nail is C-shaped and is arranged in the nail pushing opening; the push sheet is arranged in the mounting cavity, a sliding part is formed on one side of the push sheet close to the clamping opening, and the sliding part is in sliding fit with the nail pushing opening and is abutted against the anastomosis nail; the nail pushing block comprises a connecting part, a pushing part and a cutting part which are integrally connected, the connecting part is I-shaped, one end of the connecting part is matched with the second matching groove, the other end of the connecting part penetrates through the first matching groove and is abutted against the outer side of the bin body, the pushing part is arranged in the mounting cavity, the two pushing parts are respectively connected to two sides of the connecting part, the pushing part is provided with a pushing surface, the pushing surface is obliquely arranged and is abutted against the pushing sheet, and the cutting part is connected with the connecting part and is positioned in the clamping opening; the elastic piece is arranged in the clamping opening and used for expanding the clamping opening.
Preferably, the bin body comprises a bin box and a bin cover, the bin box is detachably connected with the bin cover, and the bin box and the bin cover surround to form a mounting cavity.
Preferably, a plurality of bosses are formed on the inner side of the bin cover, the bosses are arranged along the direction of the near end pointing to the far end, the bosses are abutted against one side of the pushing piece far away from the sliding part, a sliding groove is formed on one side of the pushing part far away from the pushing surface, and the sliding groove is in sliding fit with the bosses.
Preferably, the cartridge body is further provided with a butting groove, each pair of butting grooves is arranged at two ends of the nail pushing port and communicated with the nail pushing port, each pair of butting grooves forms a horn shape, the large opening faces the installation cavity, and two ends of the anastomosis nail are bent outwards and are respectively positioned in the butting grooves.
Preferably, the elastic part is a reed, and one end of the reed is fixedly connected with one side of the nail anvil close to the clamping opening.
Preferably, each push piece forms three sliding portions.
Compared with the prior art, the beneficial effects of the utility model include: when the nail pushing block moves along the first matching part, the connecting part is abutted against the second matching part, so that the clamping opening is narrowed until the tissue is completely clamped, the nail pushing block continues to move, the pushing part is abutted against the push sheet and pushes the push sheet, the anastomosis nail moves along the nail pushing opening and penetrates through the clamped tissue, the anastomosis is completed by bending when the nail pushing block is contacted with the nail anvil, and the cutting part also cuts the clamped tissue.
Drawings
FIG. 1 is a perspective view of the cartridge assembly of the endoscopic cutting stapler provided by the present invention when the clamping opening is opened;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an exploded view of the cartridge assembly of the endoscopic cutting stapler provided by the present invention with the clamping port opened;
FIG. 4 is a rear view of the nail cartridge assembly clamping opening of the endoscopic cutting stapler provided by the present invention when closed;
FIG. 5 is a cross-sectional view at B in FIG. 4;
FIG. 6 is a cross-sectional view at C of FIG. 4;
FIG. 7 is an enlarged view of a portion of FIG. 6 at D;
FIG. 8 is a perspective view of the bottom of the nail anvil of the nail cartridge assembly of the endoscopic cutting stapler provided by the present invention;
reference numerals: 1-cabin body, 2-nail anvil, 3-push sheet, 4-push nail block, 5-anastomosis nail, 6-elastic piece, 7-clamping port, 11-installation cavity, 12-push nail port, 13-cabin box, 14-cabin cover, 15-resisting groove, 16-first matching groove, 21-second matching groove, 31-sliding part, 41-connecting part, 42-pushing part, 43-cutting part, 141-boss, 421-pushing surface and 422-sliding groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the present embodiment provides a staple cartridge assembly of a laparoscopic cutting stapler, which includes a cartridge body 1, a staple anvil 2, a push plate 3, a staple pushing block 4, staples 5, and an elastic member 6, wherein:
the storehouse body 1 includes near-end and distal end, 1 near-end in the storehouse body is articulated with nail anvil 2, 1 in the storehouse body surrounds formation centre gripping mouth 7 with nail anvil 2, 1 internal formation installation cavity 11 in the storehouse, one side that 1 in the storehouse body is close to centre gripping mouth 7 is seted up and is pushed away nail mouth 12, push away nail mouth 12 and installation cavity 11 intercommunication, 1 in the storehouse body sets up first cooperation groove 16, first cooperation groove 16 and installation cavity 11 intercommunication, second cooperation groove 21 is seted up to nail anvil 2, second cooperation groove 21 is "T" font, first cooperation groove 16 and second cooperation groove 21 are by the directional distal end of near-end. Specifically, the cartridge body 1 is of a split design, so that the structures such as the anastomosis nails 5 and the pushing sheets 3 in the cartridge body are conveniently installed, the cartridge body 1 comprises a cartridge 13 and a cartridge cover 14, the cartridge 13 is detachably connected with the cartridge cover 14, the cartridge 13 and the cartridge cover 14 surround to form an installation cavity 11, and therefore the cartridge cover 14 is covered after all the structures in the cartridge body are installed before installation.
As a preferred embodiment, the effective length of the cartridge is up to 75 mm at the longest and up to 20 mm at the shortest, i.e. the length of the entire row of staples 5 is up to 75 mm, and therefore it is suitable for the situation where the maximum suture length is 75 mm or the minimum suture length is 20 mm, respectively.
In a preferred embodiment, a plurality of bosses 141 are formed inside the housing cover 14, the bosses 141 are disposed in a direction from the proximal end to the distal end, the bosses 141 abut against a side of the push plate 3 away from the sliding portion 31, a sliding groove 422 is formed on a side of the push portion 42 away from the push surface 421, and the sliding groove 422 is in sliding fit with the bosses 141, so that the sliding groove 422 and the bosses 141 have the same cross-sectional shape, and may be rectangular, polygonal, or the like, and have an elliptical shape in this embodiment.
The direction of the boss 141 should be the same as the direction of the first and second matching grooves 16 and 21 to limit the moving direction of the ejector pin block 4, and the moving direction of the ejector pin block 4 is limited by a plurality of structures, so that the movement is more stable.
The anastomotic nail 5 is C-shaped and is arranged in the nail pushing port 12, the anastomotic nail 5 is pushed by the push sheet 3, gradually moves from the nail pushing port 12 to the clamping port 7 and penetrates through human tissue clamped by the clamping port 7, and when the anastomotic nail 5 is contacted with the nail anvil 2, the anastomotic nail is stressed to bend and fold, so that the tissue is sutured.
The push sheet 3 is arranged in the mounting cavity 11, a sliding part 31 is formed on one side of the push sheet 3 close to the clamping opening 7, and the sliding part 31 is in sliding fit with the nail pushing opening 12 and is abutted against the anastomosis nail 5. Preferably, in the present embodiment, each side of the first matching groove 16 has three rows of staple pushing openings 12, so that three rows of sewn positions are formed after sewing each side, each pushing plate 3 forms three sliding portions 31 corresponding to one of the three rows of staple pushing openings 12, and therefore each staple 5 in the three rows of staple pushing openings 12 corresponds to and moves together with the staples 5 in the other two rows of staple pushing openings 12. The staple 5 is driven to move together when the push sheet 3 is pushed to the clamping opening 7.
The nail pushing block 4 comprises a connecting portion 41, a pushing portion 42 and a cutting portion 43, the connecting portion 41 is in an I shape, one end of the connecting portion is matched with the second matching groove 21, the other end of the connecting portion penetrates through the first matching groove 16 to be abutted against the outer side of the bin body 1, the pushing portion 42 is arranged in the mounting cavity 11, the two pushing portions 42 are respectively connected to two sides of the connecting portion 41, the pushing portion 42 is provided with a pushing surface 421, the pushing surface 421 is obliquely arranged and abutted against the pushing piece 3, and the cutting portion 43 is connected with the connecting portion 41 and is located in the clamping opening 7. In the process that the pushing part 42 moves from the proximal end to the distal end, the pushing part 42 abuts against the pushing sheet 3, the pushing surface 421 is an inclined surface, the pushing sheet 3 is pushed to move towards the clamping opening 7, so that the staples 5 are pushed out of the staple pushing opening 12, and meanwhile, the cutting part 43 can clamp the tissue clamped by the clamping opening 7.
The elastic member 6 is provided in the grip opening 7 for expanding the grip opening 7. Specifically, in this embodiment, the elastic member 6 is a spring, one end of the spring is fixedly connected to one side of the nail anvil 2 close to the clamping opening 7, when the clamping opening 7 becomes smaller, the spring abuts against one end of the magazine 13 close to the clamping opening 7, the spring deforms under pressure, and when the force for reducing the clamping opening 7 is removed, the spring elastically supports the magazine 13 and the nail anvil 2, so that the clamping opening 7 becomes larger.
As a preferred embodiment, the cartridge body 1 further has abutting grooves 15, each pair of abutting grooves 15 is disposed at two ends of the staple pushing port 12 and is communicated with the staple pushing port 12, each pair of abutting grooves 15 forms a horn shape with a large opening facing the mounting cavity 11, two ends of the staples 5 are bent outward and respectively located in the abutting grooves 15, and middle sections of the staples 5 are abutted against the sliding portions 31, so that when the pusher 3 pushes the staples 5 toward the clamping port 7, two ends of the staples 5 can move toward the middle along the side walls of the abutting grooves 15 and bend until two ends of the staples 5 are exposed from the abutting grooves 15.
To sum up, the utility model provides a pair of nail storehouse subassembly of chamber mirror cutting anastomat, when the ejector pin piece removed along first cooperation portion, connecting portion contradict with second cooperation portion, consequently can receive the centre gripping mouth for a short time, press from both sides the tissue completely tight, continue to remove the ejector pin piece, promotion portion contradicts with the push jack, and promote the push jack, make the anastomotic nail remove along the ejector pin mouth, and pierce through the centre gripping tissue, crooked completion is sewed up when contacting with the nail anvil, cutting portion still cuts the centre gripping tissue simultaneously, a structure is simple, high durability and convenient use, and assembly low in production cost.
The above detailed description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a nail storehouse subassembly of chamber mirror cutting anastomat which characterized in that, includes the storehouse body, nail anvil, push-off plate, push-off block, coincide nail and elastic component, wherein:
the nail anvil comprises a nail anvil body, a nail anvil body and a bin body, wherein the bin body comprises a near end and a far end, the near end is hinged with the nail anvil, the bin body and the nail anvil body are enclosed to form a clamping opening, a mounting cavity is formed in the bin body, a nail pushing opening is formed in one side, close to the clamping opening, of the bin body, the nail pushing opening is communicated with the mounting cavity, a first matching groove is formed in the bin body, the first matching groove is communicated with the mounting cavity, the nail anvil body is provided with a second matching groove, the second matching groove is T-shaped, and the first matching groove and the second matching groove both point to the far end from the near end;
the anastomosis nail is C-shaped and is arranged in the nail pushing opening;
the push sheet is arranged in the mounting cavity, a sliding part is formed on one side of the push sheet close to the clamping opening, and the sliding part is in sliding fit with the nail pushing opening and is abutted against the anastomosis nails;
the nail pushing block comprises a connecting part, a pushing part and a cutting part which are integrally connected, the connecting part is I-shaped, one end of the connecting part is matched with the second matching groove, the other end of the connecting part penetrates through the first matching groove and is abutted against the outer side of the bin body, the pushing part is arranged in the mounting cavity, the two pushing parts are respectively connected to two sides of the connecting part, the pushing part is provided with a pushing surface, the pushing surface is obliquely arranged and is abutted against the pushing piece, and the cutting part is connected with the connecting part and is positioned in the clamping opening;
the elastic piece is arranged in the clamping opening and used for opening the clamping opening.
2. The cartridge assembly of an endoscopic cutting stapler according to claim 1, wherein the cartridge body comprises a cartridge box and a cartridge cover, the cartridge box is detachably connected with the cartridge cover, and the cartridge box and the cartridge cover surround to form the mounting cavity.
3. The staple cartridge assembly of claim 2, wherein a plurality of bosses are formed on the inner side of the cartridge cover, the bosses are arranged along the proximal direction and point to the distal direction, the bosses are abutted against one side of the pushing piece away from the sliding part, one side of the pushing part away from the pushing surface forms a sliding groove, and the sliding groove is in sliding fit with the bosses.
4. The cartridge assembly of the endoscopic cutting stapler according to claim 1, wherein the cartridge body further defines a pair of stopping grooves, each pair of stopping grooves is disposed at two ends of the nail pushing port and communicates with the nail pushing port, each pair of stopping grooves is formed in a horn shape with a large opening facing the installation cavity, and two ends of the staples are bent outward and respectively located in the stopping grooves.
5. The staple cartridge assembly of the endoscopic cutting stapler according to claim 1, wherein the elastic member is a spring plate, and one end of the spring plate is fixedly connected with one side of the staple anvil close to the clamping opening.
6. The cartridge assembly of an endoscopic cutting stapler of claim 1, wherein each said push plate forms three said slides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023101576.7U CN214857062U (en) | 2020-12-21 | 2020-12-21 | Nail bin assembly of endoscope cutting anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023101576.7U CN214857062U (en) | 2020-12-21 | 2020-12-21 | Nail bin assembly of endoscope cutting anastomat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214857062U true CN214857062U (en) | 2021-11-26 |
Family
ID=78904597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023101576.7U Active CN214857062U (en) | 2020-12-21 | 2020-12-21 | Nail bin assembly of endoscope cutting anastomat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214857062U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114403963A (en) * | 2021-12-30 | 2022-04-29 | 苏州英途康医疗科技有限公司 | Driving device for suturing nail and surgical suturing instrument |
| WO2023138124A1 (en) * | 2022-01-20 | 2023-07-27 | 薛建新 | Actuating mechanism for everting stapling device, stapling device, and stapling device quality inspection method |
| CN116509484A (en) * | 2022-01-24 | 2023-08-01 | 苏州英途康医疗科技有限公司 | Surgical instrument |
-
2020
- 2020-12-21 CN CN202023101576.7U patent/CN214857062U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114403963A (en) * | 2021-12-30 | 2022-04-29 | 苏州英途康医疗科技有限公司 | Driving device for suturing nail and surgical suturing instrument |
| CN114403963B (en) * | 2021-12-30 | 2023-09-05 | 苏州英途康医疗科技有限公司 | Staple driving device and surgical stapler |
| WO2023138124A1 (en) * | 2022-01-20 | 2023-07-27 | 薛建新 | Actuating mechanism for everting stapling device, stapling device, and stapling device quality inspection method |
| CN116509484A (en) * | 2022-01-24 | 2023-08-01 | 苏州英途康医疗科技有限公司 | Surgical instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214857062U (en) | Nail bin assembly of endoscope cutting anastomat | |
| US5662260A (en) | Surgical staple cartridge | |
| JP5037080B2 (en) | Surgical stapling instrument with end effector spaced by force | |
| US5725554A (en) | Surgical staple and stapler | |
| US5180092A (en) | Linear surgical stapling instrument | |
| US8348126B2 (en) | Crimp and release of suture holding buttress material | |
| WO2016107449A1 (en) | Staple cartridge assembly and medical anastomat using same | |
| CN208851552U (en) | Nail bin groupware and the Medical stapler for using the nail bin groupware | |
| WO2020244463A1 (en) | Staple cartridge assembly, end actuator, and surgical instrument thereof | |
| CN207898502U (en) | The clamping stapling apparatus of disposable hysteroscope internal cutting stapler | |
| CN213641023U (en) | Nail bin for endoscope linear cutting anastomat | |
| CN211213310U (en) | Nail anvil assembly and loading unit of surgical stapler and surgical stapler | |
| CN109419543A (en) | A kind of end effector and its surgical instruments | |
| CN106108968B (en) | tissue closing device and medical instrument | |
| CN109953786B (en) | Nail bin assembly and medical anastomat using same | |
| CN217408881U (en) | Endoscope anastomat end structure and endoscope anastomat | |
| CN207804299U (en) | The retaining safety device of disposable hysteroscope internal cutting stapler | |
| CN207979727U (en) | The push broach device of disposable hysteroscope internal cutting stapler | |
| CN107320144B (en) | Linear purse-string suture cutting closer | |
| CN219207112U (en) | Device for controlling jaw size of endoscopic stapler and endoscopic stapler | |
| CN113349857B (en) | Linear anastomat with cutting device | |
| CN216167632U (en) | Push away nail slider and cavity mirror linear type cutting assembly | |
| CN219480213U (en) | End effector and surgical instrument | |
| US11517305B2 (en) | Contoured staple pusher | |
| CN213465163U (en) | Nail forming system of anastomat for endoscope |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |