CN219109590U - Needle holding assembly of suture needle of disposable endoscope suture device - Google Patents
Needle holding assembly of suture needle of disposable endoscope suture device Download PDFInfo
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- CN219109590U CN219109590U CN202222952419.XU CN202222952419U CN219109590U CN 219109590 U CN219109590 U CN 219109590U CN 202222952419 U CN202222952419 U CN 202222952419U CN 219109590 U CN219109590 U CN 219109590U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The utility model discloses a suture needle holding assembly of a disposable endoscopic suture device, relates to the technical field of medical devices, in particular to a laparoscopic suture device, is matched with the disposable endoscopic suture device for use, and is suitable for being used as a suture device for abdominal cavity, thoracic cavity and urinary surgery. The needle assembly comprises a needle assembly driving cover plate, a guide spring, a right cover plate, a needle pushing gasket, a connecting sheet, a rack seat, a rack, a left cover plate, a gear gasket, a needle pushing spring tube, a needle pushing spring and a suture needle; the left cover plate is arranged on one side of the right cover plate, and the needle mounting driving cover plate is arranged on one side of the right cover plate. The suture needle holding assembly of the disposable endoscope suture device has reasonable design, perfect structure and convenient use, and can ensure successful operation.
Description
Technical Field
The utility model discloses a suture needle holding assembly of a disposable endoscopic suture device, relates to the technical field of medical devices, in particular to a laparoscopic suture device, is matched with the disposable endoscopic suture device for use, and is suitable for being used as a suture device for abdominal cavity, thoracic cavity and urinary surgery.
Background
At present, various laparoscopic ocular anastomat with anastomotic needles are adopted for cutting anastomosis in laparoscopic surgery, recently, a surgical linear laparoscopic anastomat is used for replacing manual anastomosis operation with needle and line in surgery, is being used for anastomosis operation of organs, urogenital tubes and other tissues of human respiratory tract, operation of forming organ channels and operation of closing incisions, is particularly suitable for anastomosis operation of exposing and operating organs and tissues with difficult operation, and can improve operation quality.
However, the suture instrument is expensive in cost, the suture instrument is thoroughly disinfected every time an operation is performed, the suture instrument cannot be disassembled and assembled during the disinfection, cross infection is caused by difficult disinfection and incomplete disinfection, and the repeated use of the suture instrument can cause abrasion of the instrument, influence the function uncertainty of the instrument and reduce the operation quality. Therefore, a disposable suture instrument is required to ensure the operation success rate by ensuring the use state and sanitary conditions.
The structure of the existing suture needle holding device is not perfect enough and the use is not convenient enough.
Disclosure of Invention
The utility model aims at overcoming the defects, and provides a suture needle holding assembly of a disposable endoscopic suture device, which is matched with the disposable endoscopic suture device for use and is suitable for suture instruments for abdominal cavity, thoracic cavity and urinary surgery.
The suture needle holding assembly of the disposable endoscope suture device is realized by adopting the following technical scheme:
the suture needle holding assembly of the disposable endoscope suture device comprises a needle mounting driving cover plate, a guide spring, a right cover plate, a push needle gasket, a connecting sheet, a rack seat, a rack, a left cover plate, a gear gasket, a push needle spring tube, a push needle spring and a suture needle.
The left cover plate is arranged on one side of the right cover plate, and the needle mounting driving cover plate is arranged on one side of the right cover plate.
The needle loading driving cover plate is provided with a guide sliding groove, the front part of the needle loading driving cover plate is provided with an arc jaw I, and the rear end part of the needle loading driving cover plate is provided with a pressing plate steel wire connecting and fixing hole for connecting and fixing the pressing plate steel wire. The rear end part of the needle-loading driving cover plate is also provided with a guide spring hole for installing a guide spring.
One side of the right cover plate is provided with a needle-mounting driving cover plate sliding groove, and the front end part of the right cover plate is provided with an arc-shaped jaw II.
The rear part of the arc-shaped jaw II at the front end part of the right cover plate is provided with an annular needle groove which is a through groove for installing a suture needle, one side of the annular needle groove is provided with a retaining needle groove, and a retaining needle is installed. And a guide pin mounting hole is formed in the rear end part of the right cover plate and used for mounting a guide pin. Two sides of the arc-shaped jaw at the front end part of the right cover plate are provided with needle-mounting driving cover plate limiting blocks.
The front end of the left cover plate is provided with an arc-shaped jaw III, and the rear part of the arc-shaped jaw III is provided with an annular push pin groove.
One side of the left cover plate is provided with a rack installation sliding groove, a gear installation groove and a connecting piece sliding pin.
The front end of the connecting piece is provided with a push pin mounting hole, the middle of the connecting piece is provided with a connecting piece sliding pin sliding groove, and the rear end of the connecting piece is provided with a connecting piece pin hole for mounting a connecting piece pin.
The gear gasket is provided with an eccentric groove, and one side of the gear gasket is provided with a gear installation shaft for installing a gear.
The guide pin is provided with a through hole, so that the pressing plate steel wire can be conveniently penetrated.
Limiting protrusions are arranged at the front ends of two sides of the arc-shaped jaw of the needle-loading driving cover plate.
The rack seat is provided with a rack mounting hole, a suture steel wire fixing hole and a pressing plate steel threading hole. The rear end of the rack seat is provided with a suture steel wire which is fixed through a suture steel wire fixing hole.
When the suture needle holding assembly is assembled, the guide pin is installed in the guide pin installation hole at the rear end part of the right cover plate, one end of the pressing plate steel wire is fixed in the pressing plate steel wire connection hole at the rear part of the needle mounting driving cover plate, the guide spring is installed in the sliding groove of the needle mounting driving cover plate, the needle mounting driving cover plate is installed on one side of the right cover plate through the positioning screw of the needle mounting driving cover plate, one end of the guide spring is sleeved on the guide pin, the other end of the guide spring is propped against the guide spring installation hole at the rear end part of the needle mounting driving cover plate, and the needle mounting driving cover plate can slide in the sliding groove of the needle mounting driving cover plate under the driving of the pressing plate steel wire. The suture needle with suture thread is arranged in the annular groove at the front end part of the right cover plate, the rack is arranged in the rack sliding groove of the left cover plate, and the rear part of the rack is fixedly arranged in the rack mounting hole arranged on the rack seat. The gear is arranged on a gear installation shaft of the gear gasket, then the gear and the gear gasket are arranged in a gear installation groove of the left cover plate, and the gear is matched with the rack.
The push pin spring tube and the push pin gasket are arranged on the push pin mounting hole at the front end of the connecting sheet, the push pin is arranged in the push pin spring tube, the push pin spring is arranged in the push pin spring tube, the connecting sheet pin is arranged in the connecting sheet pin hole of the connecting sheet, the connecting sheet is arranged on one side of the left cover plate through the sliding groove and the connecting sheet sliding pin, meanwhile, the push pin and the push pin spring are inserted into the annular push pin groove, the connecting sheet pin is further inserted into the eccentric groove of the gear gasket, and the left cover plate provided with the components is assembled with the right cover plate through the positioning pin to form the suture pin holding assembly.
Principle of operation
The suture needle holding assembly of the disposable endoscope suture device is matched with the disposable endoscope suture device for use, the suture needle holding assembly is connected with an operation rod of the disposable endoscope suture device through a steering sleeve and a joint head, the operation rod is connected with a fixed handle, and the fixed handle is provided with a movable handle and a pressing plate button.
When the disposable endoscope stitching instrument is used, the pressing plate button is pressed backwards to draw the pressing plate steel wire, the pressing plate steel wire drives the needle mounting driving cover plate of the suture needle holding assembly to move backwards, the guide spring is compressed, the suture needle with suture thread is mounted in the annular needle groove at the front end of the right cover plate, the pressing plate button is loosened, the guide spring is reset to push the needle mounting driving cover plate to move forwards, limiting protrusions at the front ends of one side of the arc-shaped jaw of the needle mounting driving cover plate are inserted into limiting blocks of the driving cover at two front ends of the arc-shaped jaw of the right cover plate, and the needle mounting driving cover plate is prevented from tilting during working.
The movable handle is pulled to drive the rack seat connected with the front end of the suture steel wire, the rack seat drives the rack, the gear and the gear gasket to drive the connecting piece, the push needle is arranged at the front end of the connecting piece, the push needle passes through the push needle spring tube, the push needle mounting hole of the connecting piece and the push needle gasket under the push of the push needle spring, and is clamped in the push needle groove of the annular suture needle, the annular suture needle is pushed to rotate 180 degrees to hook tissues, the movable handle is pulled to complete secondary firing, the push needle pushes the annular suture needle to continuously rotate 180 degrees, and the annular suture needle is used for suturing tissues together with suture lines. And (3) moving the arc-shaped jaws (arc-shaped jaws I, II and III) of the suture needle holding assembly, and continuously firing for multiple times to finish the suture requirement of the long incision tissue operation.
The suture needle holding assembly of the disposable endoscope suture device is matched with the disposable endoscope suture device for use, and is suitable for being used as suture instrument for abdominal cavity, thoracic cavity and urinary surgery. The suture needle holding assembly of the disposable endoscope suture device has reasonable design and compact structure, and is provided with the needle holding driving cover plate, the guide spring, the right cover plate, the push needle gasket, the connecting sheet, the rack seat, the rack, the left cover plate, the gear and the gear gasket, the push needle spring tube, the push needle spring and the suture needle, thereby having perfect structure and convenient use and ensuring successful operation.
As the needle-mounting driving cover plate limiting blocks are arranged on the two sides of the jaw II at the front end part of the right cover plate. Limiting protrusions are arranged at the front ends of two sides of the jaw of the needle-loading driving cover plate. When the suture needle is installed, the suture needle with suture thread is installed in the annular needle groove at the front end of the right cover plate, the pressing plate button is loosened, the guide spring is reset to push the needle installation driving cover plate to move forwards, limiting protrusions at the front ends of two sides of the jaw of the needle installation driving cover plate are inserted into limiting blocks of the driving cover plates at two sides of the front end of the jaw of the right cover plate, the needle installation driving cover plate is prevented from tilting during working, and the success of an operation can be ensured.
The disposable endoscope stitching instrument is disposable, and can ensure the perfect use state and sanitary condition and the success rate of operation.
Drawings
The utility model will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of a needle holder assembly of a disposable endoscopic stitching instrument.
FIG. 2 is an exploded view of the needle holder assembly of the disposable endoscopic stitching instrument.
FIG. 3 is a schematic view of a needle holder assembly of a disposable endoscopic stitching instrument in use with the disposable endoscopic stitching instrument.
In the figure: 1. needle loading driving cover plate positioning screws 2, needle loading driving cover plates 3, guide springs 4, guide pins 5, retaining needles 6, right cover plates 7, push needle gaskets 8, connecting sheets 9, rack seats 10, racks 11, left cover plates 12, gears 13, connecting sheet pins 14, gear gaskets 15, push needle spring tubes 16, push needles 17, push needle springs 18, suture needles 19, positioning pins 20, pressure plate steel wires 21, suture steel wires 22, fixed handles 23, movable handles 24, pressure plate buttons 25, steering sleeves 26, joint heads 27 and operating levers;
2-1, a guiding sliding groove, 2-2, a first arc-shaped jaw, 2-3 and a steel wire connecting fixing hole of a pressing plate;
6-1 parts of needle mounting driving cover plate sliding grooves, 6-2 parts of arc-shaped jaws II, 6-3 parts of annular needle grooves, 6-4 parts of retaining needle grooves, 6-5 parts of guide pin mounting holes, 6-6 parts of needle mounting driving cover plate limiting blocks;
8-1, push pin mounting holes, 8-2, connecting piece sliding pin sliding grooves, 8-3 and connecting piece pin holes;
9-1, a rack mounting hole, 9-2, a suture steel wire fixing hole, 9-3 and a pressing plate steel threading hole;
11-1, an arc-shaped jaw III, 11-2, an annular push pin groove, 11-3, a rack installation sliding groove, 11-4, a gear installation groove, 11-5 and a connecting piece sliding pin;
14-1, eccentric grooves, 14-2 and a gear installation shaft.
Detailed Description
Referring to fig. 1-3, the suture needle holding assembly of the disposable endoscopic stitching instrument comprises a needle mounting driving cover plate 2, a guide spring 3, a guide pin 4, a backstop needle 5, a right cover plate 6, a push needle gasket 7, a connecting sheet 8, a rack seat 9, a rack 10, a left cover plate 11, a gear 12, a gear gasket 14, a push needle spring tube 15, a push needle 16, a push needle spring 17 and a suture needle 18.
The left cover plate 11 is installed on one side of the right cover plate 6, and the needle mounting driving cover plate 2 is installed on one side of the right cover plate 6.
The needle loading driving cover plate 2 is provided with a guiding sliding groove 2-1, an arc-shaped jaw I2-2 is arranged at the front part of the needle loading driving cover plate 2, and a pressing plate steel wire connecting and fixing hole 2-3 is arranged at the rear end part of the needle loading driving cover plate 2 and used for connecting and fixing a pressing plate steel wire 20. The rear end part of the needle-loading driving cover plate 2 is also provided with a guide spring hole for installing a guide spring 3.
One side of the right cover plate 6 is provided with a needle-mounting driving cover plate sliding groove 6-1, and the front end part of the right cover plate 6 is provided with an arc-shaped jaw two 6-2.
The rear part of the arc-shaped jaw II 6-2 at the front end part of the right cover plate 6 is provided with an annular needle groove 6-3, the annular needle groove 6-3 is a through groove for installing a suture needle 18, one side of the annular needle groove 6-3 is provided with a stop needle groove 6-4, and a stop needle 5 is installed. A guide pin mounting hole 6-5 is provided at the rear end of the right cover plate 6 for mounting the guide pin 4.
The front end of the left cover plate 11 is provided with an arc-shaped jaw III 11-1, the rear part of the arc-shaped jaw III 11-1 is provided with an annular push pin groove 11-2,
one side of the left cover plate 11 is provided with a rack installation sliding groove 11-3, a gear installation groove 11-4 and a connecting piece sliding pin 11-5.
The front end part of the connecting piece 8 is provided with a push pin mounting hole 8-1, the middle part of the connecting piece 8 is provided with a connecting piece sliding pin sliding groove 8-2, and the rear end of the connecting piece is provided with a connecting piece pin hole 8-3 for mounting a connecting piece pin 13.
The gear washer 14 is provided with an eccentric groove 14-1, and one side of the gear washer 14 is provided with a gear mounting shaft 14-2 for mounting the gear 12.
The guide pin 4 is provided with a through hole, so that the pressing plate steel wire 20 can be conveniently penetrated.
The front ends of two sides of the arc-shaped jaw I2-2 of the needle-loading driving cover plate 2 are provided with limiting protrusions 2-4. Two sides of the arc-shaped jaw II 6-2 at the front end part of the right cover plate 6 are provided with needle-mounting driving cover plate limiting blocks 6-6.
When the needle loading driving cover plate 2 is in operation, the guide spring 3 resets and pushes the needle loading driving cover plate 2 to move forwards, the limiting protrusions 2-4 at the front ends of the two sides of the arc-shaped jaw I2-2 of the needle loading driving cover plate 2 are inserted into the limiting blocks 6-6 of the driving cover plates at the two sides of the front ends of the arc-shaped jaw II 6-2 of the right cover plate 6, and the needle loading driving cover plate 2 is prevented from tilting when in operation.
The rack seat 9 is provided with a rack mounting hole 9-1, a suture steel wire fixing hole 9-2 and a pressing plate steel threading hole 9-3. The rear end of the rack seat 9 is provided with a suture steel wire 21 which is fixed through a suture steel wire fixing hole 9-2.
When the suture needle holding assembly is assembled, the guide pin 4 is installed in the guide pin installation hole 6-5 at the rear end part of the right cover plate 6, one end of the pressing plate steel wire 20 is fixed in the pressing plate steel wire connection hole 2-3 at the rear part of the needle holding driving cover plate 2, the guide spring 3 is installed in the needle holding driving cover plate sliding groove 6-1, the needle holding driving cover plate 2 is installed on one side of the right cover plate 6 through the needle holding driving cover plate positioning screw 1, one end of the guide spring 3 is sleeved on the guide pin 4, the other end of the guide spring is propped against the guide spring installation hole at the rear end part of the needle holding driving cover plate 2, and the needle holding driving cover plate 2 can slide in the needle holding driving cover plate sliding groove 6-1 under the driving of the pressing plate steel wire 20. The suture needle 18 with suture thread is arranged in the annular groove 6-3 at the front end part of the right cover plate 6, the rack 10 is arranged in the rack sliding groove 11-3 of the left cover plate 11, and the rear part of the rack 10 is fixedly arranged in the rack mounting hole 9-1 arranged on the rack seat 9. The gear 12 is mounted on the gear mounting shaft 14-2 of the gear spacer 14, and then the gear 12 together with the gear spacer 14 is mounted in the gear mounting groove 11-4 of the left cover plate 11, and the gear 12 is matched with the rack 10.
A push pin spring tube 15 and a push pin gasket 7 are arranged on a push pin installation hole at the front end of a connecting sheet 8, a push pin 16 is arranged in the push pin spring tube 15, a push pin spring 17 is arranged in the push pin spring tube 15, a connecting sheet pin 13 is arranged in a connecting sheet pin hole 8-3 of the connecting sheet 8, the connecting sheet 8 is arranged on one side of a left cover plate 11 through a sliding groove 8-2 and a connecting sheet sliding pin 11-5, meanwhile, the push pin 16 and the push pin spring 17 are inserted into an annular push pin groove 11-2, a connecting sheet pin 13 is further inserted into an eccentric groove 14-1 of a gear gasket 14, and the left cover plate 11 provided with the components is assembled with a right cover plate 6 through a locating pin 19 to form a suture pin holding assembly.
Principle of operation
The suture needle holding assembly of the disposable endoscope suture device is matched with the disposable endoscope suture device for use, the suture needle holding assembly is connected with an operation rod 27 of the disposable endoscope suture device through a steering sleeve 25 and a joint head 26, the operation rod 27 is connected with a fixed handle 22, and the fixed handle 22 is provided with a movable handle 23 and a pressing plate button 24.
When the disposable endoscope stitching instrument is used, the pressing plate button 24 is pressed backwards, the pressing plate steel wire 20 is pulled, the pressing plate steel wire 20 drives the needle loading driving cover plate 2 of the stitching needle holding assembly to move backwards, the guide spring 3 is compressed, the stitching needle 18 with stitching threads is loaded into the annular needle groove 6-3 at the front end of the right cover plate 6, the pressing plate button 24 is loosened, the guide spring 3 resets to push the needle loading driving cover plate 2 to move forwards, the limiting protrusions 2-4 at the front ends of the two sides of the arc-shaped jaw I2-2 of the needle loading driving cover plate 2 are inserted into the limiting blocks 6-6 at the two sides of the front end of the arc-shaped jaw II 6-2 of the right cover plate 6, and the needle loading driving cover plate 2 is prevented from tilting during working.
The movable handle is pulled to drive the rack seat 9 connected with the front end of the suture steel wire 21, the rack seat 9 drives the rack 10, the gear 12 and the gear gasket 14 to drive the connecting sheet 8, the push needle 16 is arranged at the front end of the connecting sheet 8, the push needle 16 passes through the push needle spring tube 15, the push needle mounting hole 8-1 of the connecting sheet and the push needle gasket 7 under the push of the push needle spring 17 and is clamped in a push needle groove of the annular suture needle 18, the annular suture needle 18 is pushed to rotate 180 degrees to hook tissues, then the movable handle is pulled to complete secondary firing, the push needle 16 pushes the annular suture needle 18 to continuously rotate 180 degrees, and the annular suture needle 18 is used for suturing tissues together with suture lines. And (3) moving the arc-shaped jaws (arc-shaped jaws I, II and III) of the suture needle holding assembly, and continuously firing for multiple times to finish the suture requirement of the long incision tissue operation.
Claims (10)
1. The suture needle holding assembly of the disposable endoscope suture device is characterized by comprising a needle mounting driving cover plate, a guide spring, a right cover plate, a push needle gasket, a connecting sheet, a rack seat, a rack, a left cover plate, a gear gasket, a push needle spring tube, a push needle spring and a suture needle;
the left cover plate is arranged on one side of the right cover plate, and the needle mounting driving cover plate is arranged on one side of the right cover plate.
2. The needle holding assembly of the disposable endoscopic stitching instrument according to claim 1, wherein the needle loading driving cover plate is provided with a guide sliding groove, an arc jaw I is arranged at the front portion of the needle loading driving cover plate, a pressing plate steel wire connecting and fixing hole is formed in the rear end portion of the needle loading driving cover plate and used for connecting and fixing the pressing plate steel wire, and a guide spring hole is further formed in the rear end portion of the needle loading driving cover plate and used for installing a guide spring.
3. The suture needle holding assembly of the disposable endoscopic stitching instrument according to claim 1, wherein a needle driving cover plate sliding groove is formed in one side of the right cover plate, and an arc-shaped jaw II is formed in the front end portion of the right cover plate;
the rear part of the arc-shaped jaw II at the front end part of the right cover plate is provided with an annular needle groove which is a through groove and used for installing a suture needle, one side of the annular needle groove is provided with a retaining needle groove, and a retaining needle is installed on the retaining needle groove; and a guide pin mounting hole is formed in the rear end part of the right cover plate and used for mounting a guide pin.
4. The suture needle holding assembly of the disposable endoscopic stitching instrument according to claim 1, wherein the front end of the left cover plate is provided with an arc-shaped jaw III, an annular push needle groove is formed in the rear portion of the arc-shaped jaw III, and a rack mounting sliding groove, a gear mounting groove and a connecting sheet sliding pin are formed in one side of the left cover plate.
5. The needle holding assembly of the disposable endoscopic stitching instrument according to claim 1, wherein the front end portion of the connecting piece is provided with a push needle mounting hole, the middle portion of the connecting piece is provided with a connecting piece sliding pin sliding groove, the rear end of the connecting piece is provided with a connecting piece pin hole for mounting the connecting piece pin, the gear pad is provided with an eccentric groove, and one side of the gear pad is provided with a gear mounting shaft for mounting the gear.
6. The needle holding assembly of the disposable endoscopic stitching instrument according to claim 1, wherein the rack seat is provided with a rack mounting hole, a stitching wire fixing hole and a pressing plate steel threading hole, and the rear end of the rack seat is provided with a stitching wire which is fixed through the stitching wire fixing hole.
7. The suture needle holding assembly of the disposable endoscopic stitching instrument according to claim 1, wherein when the suture needle holding assembly is assembled, the guide pin is installed in the guide pin installation hole at the rear end part of the right cover plate, one end of the pressing plate steel wire is fixed in the pressing plate steel wire connection hole at the rear part of the needle mounting driving cover plate, the guide spring is installed in the sliding groove of the needle mounting driving cover plate, the needle mounting driving cover plate is installed at one side of the right cover plate through the positioning screw of the needle mounting driving cover plate, one end of the guide spring is sleeved on the guide pin, the other end of the guide spring abuts against the guide spring installation hole at the rear end part of the needle mounting driving cover plate, and the needle mounting driving cover plate can slide in the sliding groove of the needle mounting driving cover plate under the driving of the pressing plate steel wire; the suture needle with suture thread is arranged in the annular groove at the front end part of the right cover plate, the rack is arranged in the rack sliding groove of the left cover plate, and the rear part of the rack is fixedly arranged in the rack mounting hole arranged in the rack seat; the gear is arranged on a gear installation shaft of the gear gasket, the gear and the gear gasket are arranged in a gear installation groove of the left cover plate, and the gear is matched with the rack;
the push pin spring tube and the push pin gasket are arranged on the push pin mounting hole at the front end of the connecting sheet, the push pin is arranged in the push pin spring tube, the push pin spring is arranged in the push pin spring tube, the connecting sheet pin is arranged in the connecting sheet pin hole of the connecting sheet, the connecting sheet is arranged on one side of the left cover plate through the sliding groove and the connecting sheet sliding pin, meanwhile, the push pin and the push pin spring are inserted into the annular push pin groove, the connecting sheet pin is further inserted into the eccentric groove of the gear gasket, and the left cover plate is assembled with the right cover plate through the positioning pin to form the suture pin holding assembly.
8. The needle holder assembly of the disposable endoscopic stitching instrument according to claim 7, wherein the guide pin is provided with a through hole for facilitating threading of the clamp plate wire.
9. The needle holding assembly of the disposable endoscopic stitching instrument according to claim 1, wherein the front ends of the two sides of the arcuate jaw of the needle-loading driving cover plate are provided with limiting projections, and the two sides of the arcuate jaw of the front end of the right cover plate are provided with needle-loading driving cover plate limiting blocks.
10. The needle holding assembly of the disposable endoscopic stitching instrument according to claim 1 or 9, wherein the guide spring is reset to push the needle mounting driving cover plate to move forward in operation, and the front end limiting protrusions on one side of the arc-shaped jaw of the needle mounting driving cover plate are inserted into the front end limiting blocks on the two sides of the arc-shaped jaw of the right cover plate, so that the needle mounting driving cover plate is prevented from tilting in operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222952419.XU CN219109590U (en) | 2022-11-07 | 2022-11-07 | Needle holding assembly of suture needle of disposable endoscope suture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222952419.XU CN219109590U (en) | 2022-11-07 | 2022-11-07 | Needle holding assembly of suture needle of disposable endoscope suture device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219109590U true CN219109590U (en) | 2023-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222952419.XU Active CN219109590U (en) | 2022-11-07 | 2022-11-07 | Needle holding assembly of suture needle of disposable endoscope suture device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219109590U (en) |
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2022
- 2022-11-07 CN CN202222952419.XU patent/CN219109590U/en active Active
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