CN115634002A - Driving device of disposable endoscope stitching instrument - Google Patents
Driving device of disposable endoscope stitching instrument Download PDFInfo
- Publication number
- CN115634002A CN115634002A CN202211383935.3A CN202211383935A CN115634002A CN 115634002 A CN115634002 A CN 115634002A CN 202211383935 A CN202211383935 A CN 202211383935A CN 115634002 A CN115634002 A CN 115634002A
- Authority
- CN
- China
- Prior art keywords
- steel wire
- pressing plate
- pin
- needle
- pulley
- 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.)
- Pending
Links
Images
Abstract
The invention discloses a driving device of a disposable endoscope suturing device, relates to the technical field of medical instruments, in particular to a laparoscopic suturing device, is matched with the disposable endoscope suturing device for use, and is suitable for being used as an abdominal cavity, thoracic cavity and urinary surgery suturing instrument. The device comprises a fixed handle, a movable handle, a sewing steel wire, a first steering pulley, a second steering pulley, a first pulley positioning pin, a steering sleeve, a reset spring, a movable handle pin, a second pulley positioning pin, a press plate steel wire, a press plate toggle button, a toggle button positioning pin and a press plate steel wire guide wheel; the movable handle is arranged on the fixed handle through a movable handle pin and is provided with a steel wire connecting hole, one end of a suture steel wire is fixedly connected with a rack seat of a steering sleeve, a return spring and a suture needle holding assembly through a steering pulley I and a steering pulley II and a rotary connecting rod, and the other end of the suture steel wire penetrates through the steel wire connecting hole in the movable handle and is fixed through a steel wire pin buckle; the pressing plate shifting button is arranged in a sliding groove of the pressing plate shifting button at the rear part of the fixed handle.
Description
Technical Field
The invention discloses a driving device of a disposable endoscope stitching instrument, relates to the technical field of medical instruments, in particular to a laparoscope stitching instrument, is matched with the disposable endoscope stitching instrument for use, and is suitable for being used as a stitching instrument for abdominal cavity, thoracic cavity and urinary surgery.
Background
At present, abdominal cavity ocular anastomats with anastomosis needles are adopted to perform cutting anastomosis in laparoscopic surgery, and recently, a surgical linear laparoscopic anastomat is used for replacing manual needle-thread anastomosis operation in the surgery, is being used for the anastomosis operation of human respiratory tract organs, urogenital organs and other tissues, the operation of forming organ channels and the operation of closing incisions, is particularly suitable for the anastomosis operation of exposed and difficultly-operated organs and tissues, and can improve the operation quality.
However, the suturing instrument is a reusable suturing instrument, the manufacturing cost is high, the suturing instrument needs to be thoroughly sterilized every time an operation is performed, the suturing instrument cannot be disassembled and assembled during sterilization, cross infection can be caused due to difficult sterilization and incomplete sterilization, the instruments are abraded due to repeated use, the function of the instruments is influenced, and the operation quality is reduced. Therefore, a disposable suturing device is required to ensure the use state and sanitary conditions to ensure the success rate of the operation.
The driving device of the existing stitching instrument has imperfect structure and inconvenient use.
Disclosure of Invention
Aiming at the defects, the invention provides the driving device of the disposable endoscope suturing device, which is matched with the disposable endoscope suturing device for use and is suitable for abdominal cavity, thoracic cavity and urinary surgery operation suturing instruments.
The driving device of the disposable endoscope stitching instrument is realized by adopting the following technical scheme:
the driving device of the disposable endoscope stitching instrument comprises a fixed handle, a movable handle, a stitching steel wire, a first steering pulley, a second steering pulley, a first pulley positioning pin, a steering sleeve, a reset spring, a movable handle pin, a second pulley positioning pin, a pressing plate steel wire, a pressing plate toggle button, a toggle button positioning pin and a pressing plate steel wire guide wheel.
The fixed handle is formed by combining a left fixed handle and a right fixed handle.
The movable handle is installed on the fixed handle through the movable handle pin, the first steering pulley is installed on the lower portion in the fixed handle through the first pulley positioning pin, the second steering pulley is installed on the upper portion in the fixed handle through the second pulley positioning pin, the movable handle is provided with a steel wire connecting hole, one end of a suture steel wire passes through the first steering pulley, the second steering pulley, the rotating connecting rod penetrates through the second steering pulley, the operating rod and the steering sleeve are fixedly connected, a reset spring is arranged, a rack seat of a needle holding assembly of the suture needle penetrates through the steel wire connecting hole in the movable handle, the suture steel wire is tensioned, after the tightness is adjusted, the suture steel wire is fixed through the steel wire pin buckle 18, and looseness is prevented.
The pressing plate shifting button is arranged in a sliding groove of the pressing plate shifting button at the rear part of the fixed handle and is positioned by a shifting button positioning pin, and the pressing plate steel wire guide wheel is arranged at the upper part of the inner side of the fixed handle. One end of the pressing plate steel wire is fixedly installed on the pressing plate toggle button through a steel wire fixing pin, the other end of the pressing plate steel wire is guided through a pressing plate steel guide wheel, and the pressing plate steel wire threading hole and the guide spring which penetrate through the left joint head and the right joint head of the rotary connecting rod, the operating rod and the joint head swing mechanism, the steering sleeve, the reset spring and the rack seat of the sewing needle holding assembly are fixedly connected with the pressing plate steel wire connecting hole at the rear part of the binding driving cover plate in a welding mode.
The reset spring is arranged in the steering sleeve, one end of the steering sleeve is fixedly connected with the left joint head and the right joint head, and the other end of the steering sleeve is fixedly connected with the rear ends of the left cover plate and the right cover plate of the sewing needle holding assembly.
When the driving device of the disposable endoscope stitching instrument is matched with the endoscope anastomat for use, the pressing plate button is pressed backwards, the pressing plate steel wire is pulled, the pressing plate steel wire drives the needle mounting driving cover plate of the stitching needle holding assembly to move backwards, the guide spring is compressed, a stitching needle with a stitching 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, the limiting bulges at the front ends of the two sides of the arc-shaped jaw of the needle mounting driving cover plate are inserted into the limiting blocks at the two sides of the needle mounting driving cover plate at the front end of the arc-shaped jaw of the right cover plate, and the tilting of the needle mounting driving cover plate during operation is limited.
The movable handle is pulled to drive a rack seat connected with the front end of the suture steel wire, the rack seat drives a rack, a gear and a gear gasket, the gear gasket drives a connecting sheet and a push pin arranged at the front end of the connecting sheet, the push pin penetrates through a push spring tube, a connecting sheet push pin mounting hole and the push pin gasket under the pushing of a push pin spring and is clamped in a push pin groove of the annular suture needle to push the annular suture needle to rotate 180 degrees to hook tissues, then the movable handle is pulled to complete secondary percussion, the push pin pushes the annular suture needle to continuously rotate 180 degrees, and the annular suture needle drives a suture thread to suture the tissues together. The arc-shaped jaw is moved, and the long incision tissue operation seam is continuously fired for a plurality of times.
Because the anti-return needle is arranged at one side of the annular needle groove of the right cover plate, the reverse rotation of the annular suture needle can be prevented, and the success rate of the operation is ensured.
The driving device of the disposable endoscope stitching instrument is matched with the disposable endoscope stitching instrument for use, and has the advantages of reasonable design, compact structure and convenient use. The device is provided with a fixed handle, a movable handle, a sewing steel wire, a first steering pulley, a second steering pulley, a first pulley positioning pin, a steering sleeve, a reset spring, a movable handle pin, a second pulley positioning pin, a pressing plate steel wire, a pressing plate toggle button, a toggle button positioning pin and a pressing plate steel wire guide wheel.
The movable handle is pulled to drive the rack seat of the suture needle holding assembly connected with the front end of the suture steel wire, the rack seat drives the rack, the gear and the gear gasket, the gear gasket drives the connecting sheet to push the push needle to trigger, the suture needle swinging is realized, the suture needle with the suture thread is driven to carry out tissue suture, the use is very convenient, and the successful operation can be ensured. Can be continuously fired for multiple times to meet the requirement of long incision tissue surgical suture.
The pressing plate button is pressed backwards, the pressing plate steel wire is pulled, 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, suture needles with suture threads are mounted in the annular needle groove at the front end of the right cover plate, the pressing plate button is released, the guide spring resets and pushes the needle mounting driving cover plate to move forwards, the limiting protrusions at the front ends of the two sides of the arc-shaped jaw of the needle mounting driving cover plate are inserted into the limiting blocks at the two sides of the front end of the arc-shaped jaw of the right cover plate, the tilting of the needle mounting driving cover plate during working is limited, and the success of tissue suture operation can be ensured.
Drawings
The invention will be further described with reference to the accompanying drawings:
FIG. 1 is a schematic view of the structure of a driving device of a disposable endoscopic stitching instrument used with the disposable endoscopic stitching instrument 1.
FIG. 2 is a schematic view of the structure of a driving device of the disposable endoscopic stitching instrument used with the disposable endoscopic stitching instrument 2.
FIG. 3 is a schematic view of a needle holding assembly of a drive device driving a suture needle of the disposable endoscopic suture instrument.
FIG. 4 is a schematic view of the installation structure of the pressing plate steel wire, the suture steel wire and the suture needle holding assembly of the driving device of the disposable endoscopic suture instrument.
In the figure: 1. the sewing needle comprises a fixed handle, 2, a movable handle, 3, a sewing steel wire, 4, a first steering pulley, 5, a second steering pulley, 6, a first pulley positioning pin, 7, a steering sleeve, 8, a return spring, 9, a movable handle pin, 10, a second pulley positioning pin, 11, a pressing plate steel wire, 12, a pressing plate toggle button, 13, a toggle button positioning pin, 14, a pressing plate steel wire guide wheel, 15, a rotary connecting rod, 16, an operating rod, 17, a sewing needle holding assembly, 18, a steel wire pin buckle, 19, a steel wire fixing pin, 20, a left joint head, a right joint head, 21 and an annular sewing needle;
1-1, a pressing plate toggle sliding groove, 9-1, a steel wire connecting hole, 17-1, a rack seat, 17-2, a pressing plate steel wire threading hole, 17-3, a guide spring, 17-4, a binding driving cover plate, 12-5, a left cover plate, 17-6, a right cover plate, 17-7, a rack, 17-8, a gear gasket, 17-9, a connecting sheet, 7-10, a push pin, 17-11 and a backstop pin; 17-4-1, a limiting protrusion 17-6-1, a needle mounting driving cover plate limiting block 17-6-2 and an annular needle groove.
Detailed Description
Referring to the attached drawings 1-4, the driving device of the disposable endoscope stitching instrument comprises a fixed handle 1, a movable handle 2, a stitching steel wire 3, a first steering pulley 4, a second steering pulley 5, a first pulley positioning pin 6, a steering sleeve 7, a return spring 8, a movable handle pin 9, a second pulley positioning pin 10, a pressing plate steel wire 11, a pressing plate shifting button 12, a shifting button positioning pin 13 and a pressing plate steel wire guide wheel 14.
The fixed handle 1 is formed by combining a left fixed handle and a right fixed handle.
The movable handle 2 is installed on the fixed handle 1 through a movable handle pin 9, a first steering pulley 4 is installed on the inner lower portion of the fixed handle 1 through a first pulley positioning pin 6, a second steering pulley 5 is installed on the inner upper portion of the fixed handle 1 through a second pulley positioning pin 10, the movable handle 2 is provided with a steel wire connecting hole 9-2, one end of the suture steel wire 3 penetrates through the first steering pulley 4, the second steering pulley 5, a rotating connecting rod 15, an operating rod 16, a steering sleeve 7, a reset spring 8 and a rack seat 17-1 of a suture needle holding assembly 17 to be fixedly connected, the other end of the suture steel wire 3 penetrates through the steel wire connecting hole 9-1 of the movable handle 2 to be tensioned, and after tightness is adjusted, the suture steel wire is fixed through a steel wire pin buckle 18 to prevent looseness.
The pressing plate toggle button 12 is arranged in a pressing plate toggle button sliding groove 1-1 at the rear part of the fixed handle 1 and is positioned by a toggle button positioning pin 13, and the pressing plate steel wire guide wheel 14 is arranged at the upper part of the inner side of the fixed handle 1. One end of a pressing plate steel wire 11 is fixedly installed on a pressing plate toggle button 12 through a steel wire fixing pin 19, the other end of the pressing plate steel wire 4 is guided through a pressing plate steel guide wheel 14, and penetrates through a rotary connecting rod 15, an operating rod 16, a left joint head 20 and a right joint head 20 of a joint head swing mechanism, a steering sleeve 7, a reset spring 8, a pressing plate steel wire threading hole 17-2 of a rack seat 17-1 of a sewing needle holding assembly 17 and a guide spring 17-3 to be fixedly connected with a pressing plate steel wire connecting hole at the rear part of a binding driving cover plate 17-4 in a welding mode.
The reset spring 8 is arranged in the steering sleeve 7, one end of the steering sleeve 7 is fixedly connected with the left and right joint heads 20, and the other end of the steering sleeve 7 is fixedly connected with the rear ends of the left cover plate 17-5 and the right cover plate 17-6 of the suture needle holding assembly.
When the driving device of the disposable endoscope stitching instrument is matched with the endoscope anastomat to use, the pressing plate button 12 is pressed backwards, the pressing plate steel wire 11 is pulled, the pressing plate steel wire 11 drives the needle installing driving cover plate 17-4 of the stitching needle holding assembly 17 to move backwards, the guide spring 17-3 is compressed, the stitching needle 21 with the stitching thread is installed in the annular needle groove 17-6-2 at the front end of the right cover plate 17-6, the pressing plate button 12 and the guide spring 17-3 are loosened to reset to push the needle installing driving cover plate 17-4 to move forwards, the limiting protrusions 17-4-1 at the two sides of the arc-shaped jaw of the needle installing driving cover plate 17-4 are inserted into the limiting blocks 17-6-1 at the two sides of the arc-shaped jaw of the right cover plate, and the limiting needle installing driving cover plate 17-4 tilts up when in work.
The movable handle 2 is pulled to drive a rack seat 17-1 connected with the front end of the suture steel wire 3, the rack seat 17-1 drives a rack 17-7, a gear and a gear gasket 17-8, the gear gasket 17-8 drives a connecting sheet 17-9, a push pin 17-10 arranged at the front end of the connecting sheet 17-9 passes through a push spring tube, a connecting sheet push pin mounting hole and a push pin gasket under the push of a push pin spring, is clamped in a push pin groove of the annular suture needle 21, pushes the annular suture needle 21 to rotate 180 degrees to hook tissues, then the movable handle 2 is pulled to complete secondary percussion, the push pin 17-10 pushes the annular suture needle 21 to continuously rotate 180 degrees, and the annular suture needle 21 drives a suture line to sew the tissues together. The arc-shaped jaw is moved, and the long incision tissue operation suture requirement is completed after continuous and multiple times of percussion.
The anti-return needle 17-11 is arranged at one side of the annular needle groove 17-6-2 of the right cover plate 17-6, so that the annular suture needle 21 can be prevented from reversing, and the success rate of the operation is ensured.
Claims (5)
1. A driving device of a disposable endoscope stitching instrument is characterized by comprising a fixed handle, a movable handle, a stitching steel wire, a first steering pulley, a second steering pulley, a first pulley positioning pin, a first steering sleeve, a reset spring, a movable handle pin, a second pulley positioning pin, a pressing plate steel wire, a pressing plate shifting button, a shifting button positioning pin and a pressing plate steel wire guide wheel;
the movable handle is arranged on the fixed handle through a movable handle pin, the first steering pulley is arranged at the lower part in the fixed handle through a first pulley positioning pin, the second steering pulley is arranged at the upper part in the fixed handle through a second pulley positioning pin, the movable handle is provided with a steel wire connecting hole, one end of a suture steel wire is fixedly connected with a rack seat of a steering sleeve, a reset spring and a suture needle holding assembly through the first steering pulley, the second steering pulley, a rotating connecting rod and an operating rod, and the other end of the suture steel wire penetrates through the steel wire connecting hole in the movable handle and is fixed through a steel wire pin buckle;
the pressing plate toggle button is arranged in a sliding groove of the pressing plate toggle button at the rear part of the fixed handle and is positioned by a toggle button positioning pin, and the pressing plate steel wire guide wheel is arranged at the upper part of the inner side of the fixed handle; one end of the pressing plate steel wire is fixedly installed on the pressing plate toggle button through a steel wire fixing pin, the other end of the pressing plate steel wire is guided through a pressing plate steel guide wheel, and the pressing plate steel wire threading hole and the guide spring which penetrate through the left joint head and the right joint head of the rotary connecting rod, the operating rod and the joint head swing mechanism, the steering sleeve, the reset spring and the rack seat of the sewing needle holding assembly are fixedly connected with the pressing plate steel wire connecting hole at the rear part of the binding driving cover plate in a welding mode.
2. The driving device of the disposable endoscopic stitching instrument as recited in claim 1, wherein the return spring is installed in a steering sleeve, one end of the steering sleeve is fixedly connected with the left and right joint heads, and the other end of the steering sleeve is fixedly connected with the rear ends of the left and right cover plates of the stitching needle holding assembly.
3. The drive device of a disposable endoscopic stapler of claim 1,
the fixed handle is formed by combining a left fixed handle and a right fixed handle.
4. The driving device of the disposable endoscopic stitching instrument as recited in claim 1, wherein when the driving device of the disposable endoscopic stitching instrument is used in combination with the endoscopic stapler, the pressing plate button is pressed backwards to pull the pressing plate wire and the pressing plate wire to drive the needle mounting driving cover plate of the needle holding assembly to move backwards, the guiding spring is compressed to mount the suture needle with the suture thread into the annular needle groove at the front end of the right cover plate, the pressing plate button is released, the guiding spring is reset to push the needle mounting driving cover plate to move forwards, the front end limiting protrusions at two sides of the arc-shaped jaw of the needle mounting driving cover plate are inserted into the needle mounting driving cover plate limiting blocks at two sides of the arc-shaped jaw of the right cover plate, and the needle mounting driving cover plate is prevented from tilting during operation.
5. The driving device of the disposable endoscopic stitching instrument as recited in claim 1, wherein when the driving device of the disposable endoscopic stitching instrument is used in combination with the endoscopic stapler, the movable handle is pulled to drive the rack seat connected to the front end of the stitching wire, the rack seat drives the rack, the gear pad to drive the connecting piece, the push pin is arranged at the front end of the connecting piece, the push pin is pushed by the push pin spring to pass through the push spring tube, the connecting piece push pin mounting hole and the push pin pad, and is clamped in the push pin groove of the annular stitching needle, the annular stitching needle is pushed to rotate 180 degrees to hook the tissue, the movable handle is pulled to complete the secondary firing, the push pin pushes the annular stitching needle to continue rotating 180 degrees, the annular stitching needle drives the suture thread to stitch together, the arc-shaped jaw is moved, and the arc-shaped jaw is continuously fired for a plurality of times to complete the surgical stitching of the long incision tissue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211383935.3A CN115634002A (en) | 2022-11-07 | 2022-11-07 | Driving device of disposable endoscope stitching instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211383935.3A CN115634002A (en) | 2022-11-07 | 2022-11-07 | Driving device of disposable endoscope stitching instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115634002A true CN115634002A (en) | 2023-01-24 |
Family
ID=84948133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211383935.3A Pending CN115634002A (en) | 2022-11-07 | 2022-11-07 | Driving device of disposable endoscope stitching instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115634002A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116636891A (en) * | 2023-07-26 | 2023-08-25 | 中南大学 | Convenient detachable continuous reciprocating motion laparoscope stitching instrument with curved needle |
-
2022
- 2022-11-07 CN CN202211383935.3A patent/CN115634002A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116636891A (en) * | 2023-07-26 | 2023-08-25 | 中南大学 | Convenient detachable continuous reciprocating motion laparoscope stitching instrument with curved needle |
| CN116636891B (en) * | 2023-07-26 | 2023-11-28 | 中南大学 | Convenient detachable continuous reciprocating motion laparoscope stitching instrument with curved needle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3880907B2 (en) | Endoscopic suture device | |
| US5674230A (en) | Surgical suturing apparatus with locking mechanisms | |
| US7210609B2 (en) | Stapling apparatus having a curved anvil and driver | |
| JP4855405B2 (en) | Apparatus and method for minimally invasive suturing | |
| US8070759B2 (en) | Surgical fastening device | |
| EP0399701B2 (en) | Surgical stapling apparatus | |
| US5728113A (en) | Endoscopic vascular suturing apparatus | |
| EP2386253A2 (en) | Surgical instrument with flexible member attachment structures | |
| WO2020062854A1 (en) | Trigger assembly for reusable endoscopic cutter stapler gun body | |
| CN107440759B (en) | Disposable endoscopic incision anastomat | |
| CN115634002A (en) | Driving device of disposable endoscope stitching instrument | |
| JP4435967B2 (en) | Surgical suture instrument and suture cutting instrument | |
| WO2020062853A1 (en) | Transmission assembly for reusable endoscopic cutter stapler gun body | |
| CN115462850A (en) | Suture needle holding assembly of disposable endoscope suture instrument | |
| CN212346609U (en) | Suturing device, treatment device with suturing device and treatment system | |
| CN108969041B (en) | Reusable endoscopic cutting anastomat gun body | |
| CN217853123U (en) | Outward turning type stitching instrument | |
| JPH09224948A (en) | Treatment tool | |
| CN115120293A (en) | Actuating mechanism for outward turning type stitching instrument, stitching instrument and quality inspection method of stitching instrument | |
| CN214907505U (en) | Surgical suturing and cutting device | |
| CN215605999U (en) | Linear cutting anastomat capable of being used for fixing nail abutting seat of circular anastomat | |
| CN214907506U (en) | Surgical stapler | |
| CN218899552U (en) | Firing device of disposable endoscopic stitching instrument | |
| CN219109590U (en) | Needle holding assembly of suture needle of disposable endoscope suture device | |
| JP2003111763A (en) | Surgical device for stapling and fastening body tissues |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |