An intelligent self-driven stapler

By introducing an intelligent self-driven staple cartridge structure into the electric laparoscopic stapler, the problems of small staple cartridge swing amplitude and heavy gun body are solved, realizing 360-degree rotation of the staple cartridge and slimming of the gun body, improving the flexibility and convenience of operation.

CN224269364UActive Publication Date: 2026-05-26JIANGSU JINGMING MEDICAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU JINGMING MEDICAL TECH CO LTD
Filing Date
2024-12-30
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing electric laparoscopic staplers have a small staple cartridge swing amplitude, a large gun body, and heavy weight, which leads to operational difficulties and safety hazards.

Method used

It adopts an intelligent self-driven staple cartridge structure. By setting a joint motor and a micro stepper motor between the instrument rod and the staple cartridge assembly, the staple cartridge can rotate 360 ​​degrees. The drive assembly is controlled by a sensing control mechanism and a control board, which reduces the power transmission system and optimizes the gun body structure.

Benefits of technology

This allows for flexible rotation and multi-angle alignment of the staple cartridge, reducing the weight of the gun body, providing structural design space, laying the foundation for an intelligent control system, and improving operational flexibility and convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses an intelligent self-driven stapler, including a stapler gun body, an instrument rod disposed at the front end of the gun body, and a staple cartridge assembly disposed at the front end of the instrument rod. The staple cartridge assembly includes a staple cartridge seat and a staple abutment disposed vertically and connected at their rear ends. A staple cartridge mounting frame is provided on the staple cartridge seat, and a staple cartridge with a slit is disposed on the staple cartridge mounting frame. A joint motor controlled by a control board is provided between the instrument rod and the staple cartridge assembly. A drive assembly controlled by the control board is located below the hinge of the staple cartridge seat. A sliding component is provided at the front end of the drive assembly between the staple cartridge seat and the staple cartridge mounting frame. The sliding component has a staple pusher slider and a cutting blade assembly. The staple pusher slider is located at the front end of the cutting blade assembly and is located below the staple cartridge. The cutting blade assembly can move back and forth within the slit, and its upper part protrudes from the top of the staple cartridge. Applying this utility model allows the stapler to rotate at any angle of 360 degrees, and the gun body is smaller and lighter.
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Description

Technical Field

[0001] This utility model relates to a stapler, and more particularly to a smart, self-driven stapler cartridge stapler. Background Technology

[0002] Electric laparoscopic staplers, as a medical alternative to manual cutting devices, are widely used in a variety of open and minimally invasive surgeries.

[0003] Currently, mainstream electric laparoscopic staplers use a transmission structure where a motor drives a gear and rack to power a firing rod, which in turn drives a delivery shaft to push the staple pusher and the cutting blade, achieving reciprocating motion. Because the motor, rack, and gears are all installed in the gun body at the rear of the staple cartridge, the swing angle of the staple cartridge is limited, typically only ±45°. This can easily create blind spots and potentially pose safety hazards during use. The gun body also requires a large structural space, resulting in a correspondingly larger outer casing. This increases the weight of the electric laparoscopic stapler, potentially causing operational difficulties and impacting work efficiency. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the existing technology by providing an intelligent self-driven stapler cartridge, which solves the problems of small swing amplitude, large gun body, and heavy weight of the stapler.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: an intelligent self-driven stapler, comprising a stapler gun body, an instrument rod disposed at the front end of the gun body, and a staple cartridge assembly disposed at the front end of the instrument rod. The staple cartridge assembly includes a staple cartridge seat and a staple abutment seat disposed vertically and connected at their rear ends. A staple cartridge mounting frame is provided on the staple cartridge seat, and a staple cartridge with a slit is provided on the staple cartridge mounting frame. A joint motor controlled by a control board is provided between the instrument rod and the staple cartridge assembly. A drive assembly controlled by the control board is provided below the hinge of the staple cartridge seat. A sliding component is provided at the front end of the drive assembly between the staple cartridge seat and the staple cartridge mounting frame. A staple pusher slider and a cutting blade assembly are provided on the sliding component. The staple pusher slider is disposed at the front end of the cutting blade assembly and is disposed below the staple cartridge. The cutting blade assembly can move back and forth within the slit, and its upper part protrudes from the top of the staple cartridge.

[0006] Furthermore, the side of the staple cartridge is provided with a laser sensing control mechanism, a magnetic strip sensing control mechanism, or a viewing angle sensing control mechanism.

[0007] Furthermore, the bottom inner side of the staple cartridge is provided with a sensing module at the front end and a control module at the rear end, and the sliding component is provided with a moving module on the side. The sensing module and the moving module are located on the same side. The control module is controlled and connected to the moving module and the sensing module, and the control module is controlled and connected to the control board.

[0008] Furthermore, the drive assembly includes a miniature stepper motor disposed at the hinge of the staple cartridge seat and a transmission assembly disposed at the front end of the miniature stepper motor, the transmission assembly being drivenly connected to the sliding assembly.

[0009] Furthermore, the transmission assembly includes a mounting base fixed to the micro stepper motor, a first gear disposed on the mounting base and connected to the output end of the micro stepper motor, and a second gear disposed on the mounting base and located below the first gear. The first gear and the second gear are connected by a transmission chain, and the second gear is connected to a sliding assembly.

[0010] Furthermore, the sliding assembly includes a drive shaft connected to the transmission assembly and a first fixing block and a second fixing block fixed between the staple cartridge seat and the staple cartridge mounting frame. The first fixing block and the second fixing block are respectively disposed at the rear end and the front end below the staple cartridge mounting frame. One end of the drive shaft is rotatably disposed on the first fixing block and connected to the second gear, and the other end is rotatably disposed on the second fixing block. The drive shaft is provided with a first slider that can slide along the drive shaft. The staple pusher slider and the cutting blade assembly are disposed on the top of the first slider, and the moving module is disposed on the side of the first slider.

[0011] Furthermore, the transmission shaft is a lead screw, and the first slider is provided with a threaded hole that mates with the lead screw.

[0012] Furthermore, the drive assembly includes an electric cylinder or a pneumatic cylinder controlled by a control panel. The electric cylinder or pneumatic cylinder is located at the hinge of the nail cartridge seat, and the telescopic rod is forward. The telescopic rod end of the electric cylinder or pneumatic cylinder is sequentially fixed with a second slider and a third slider from back to front. The cutting blade assembly is located on the top of the second slider, the nail pusher slider is located on the top of the third slider, and the moving module is located on the side of the second slider.

[0013] The present invention achieves the following beneficial effects by adopting the above-mentioned structure: The present invention provides an intelligent self-driven stapler with a staple cartridge. By setting a joint motor between the instrument rod and the staple cartridge assembly, the staple cartridge can rotate at any angle of 360 degrees. This allows it to be placed in more confined and complex work areas such as the thoracic cavity and pelvic floor. Furthermore, it reduces the power transmission system on the device body, resulting in weight reduction and a slimmer design, providing ample structural design space for the subsequent addition of intelligent control systems and information control modules. Through the addition of a sensing control mechanism and a drive assembly controlled by a control board, the actuator of the stapler becomes intelligent, allowing for flexible setting of the stopping position and selection of various anastomosis lengths. The miniaturized and optimized design of the device body further reduces the overall weight of the stapler, providing users with a more flexible and convenient operating experience. Attached Figure Description

[0014] The technical solution of this utility model will be further described below with reference to the accompanying drawings:

[0015] Figure 1 This is a schematic diagram of the structure of an intelligent self-driven stapler according to the present invention.

[0016] Figure 2 This is a schematic diagram of the structure of the nail cartridge holder described in this utility model.

[0017] Figure 3 This is a schematic diagram of the structure of the drive assembly, transmission assembly and sliding assembly described in this utility model.

[0018] Figure 4 This is a schematic diagram of the transmission component described in this utility model.

[0019] Figure 5 This is a schematic diagram of the structure of the sensing module, control module, and moving module described in this utility model.

[0020] Figure 6 This is a schematic diagram of the structure of the electric cylinder described in this utility model.

[0021] The components include: 1. Instrument rod; 2. Staple cartridge assembly; 3. Staple cartridge seat; 4. Staple anchor seat; 5. Staple cartridge; 6. Joint motor; 7. Control board; 8. Drive assembly; 9. Sliding assembly; 10. Staple pusher slider; 11. Cutting blade assembly; 12. Gap; 13. Sensing module; 14. Control module; 15. Micro stepper motor; 16. Transmission assembly; 17. Fixing base; 18. First gear; 19. Second gear; 20. Transmission chain; 21. Transmission shaft; 22. First slider; 23. First fixing block; 24. Second fixing block; 25. Electric cylinder; 26. Second slider; 27. Third slider; 28. Telescopic rod; 29. ​​Moving module. Detailed Implementation

[0022] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0023] In response to the needs of staplers, the designer of this utility model has innovatively proposed an intelligent self-driven staple cartridge stapler that allows the stapler to rotate at any angle of 360 degrees, making the gun body smaller and lighter.

[0024] like Figures 1 to 5 As shown, an intelligent self-driven stapler includes a stapler gun body, an instrument rod 1 located at the front end of the gun body, and a staple cartridge assembly 2 located at the front end of the instrument rod 1. The staple cartridge assembly 2 includes a staple cartridge seat 3 and a staple abutment seat 4, which are arranged vertically and connected at their rear ends. The staple cartridge seat 3 is provided with a staple cartridge mounting frame, and the staple cartridge mounting frame is provided with a staple cartridge 5 with a gap 12. A joint motor 6 controlled by a control board 7 is provided between the instrument rod 1 and the staple cartridge assembly 2. The staple cartridge seat 3 is provided with a drive assembly 8 controlled by the control board 7 below the hinge. The front end of the drive assembly 8 is provided with a sliding assembly 9 between the staple cartridge seat 3 and the staple cartridge mounting frame. The sliding assembly 9 is provided with a staple pusher slider 10 and a cutting blade assembly 11. The staple pusher slider 10 is located at the front end of the cutting blade assembly 11 and is located below the staple cartridge 5. The cutting blade assembly 11 can move back and forth within the gap 12, and its upper part protrudes from the top of the staple cartridge 5.

[0025] The staple cartridge 3 is provided with a laser sensing control mechanism, a magnetic strip sensing control mechanism, or a viewing angle sensing control mechanism on its side.

[0026] The bottom inner side of the staple cartridge 3 is provided with a sensing module 13 at the front end and a control module 14 at the rear end. The sliding component 9 is provided with a moving module 29 on the side. The sensing module 13 and the moving module 29 are located on the same side. The control module 14 is controlled and connected to the moving module 29 and the sensing module 13. The control module 14 is controlled and connected to the control board 7. After the control module 14 is powered on, the moving module 29 and the sensing module 13 interact and cooperate to monitor the movement status of the moving module 29.

[0027] The drive assembly 8 includes a micro stepper motor 15 disposed at the hinge of the staple cartridge 3 and a transmission assembly 16 disposed at the front end of the micro stepper motor 15. The transmission assembly 16 is drivenly connected to the sliding assembly 9.

[0028] The transmission assembly 16 includes a mounting base 17 fixed on the micro stepper motor 15, a first gear 18 disposed on the mounting base 17 and connected to the output end of the micro stepper motor 15, and a second gear 19 disposed on the mounting base 17 and located below the first gear 18. The first gear 18 and the second gear 19 are connected by a transmission chain 20, and the second gear 19 is connected to the sliding assembly 9.

[0029] The sliding assembly 9 includes a drive shaft 21 connected to the transmission assembly 16 and a first fixing block 23 and a second fixing block 24 fixed between the staple cartridge seat 3 and the staple cartridge mounting frame. The first fixing block 23 and the second fixing block 24 are respectively located at the rear end and the front end below the staple cartridge mounting frame. One end of the drive shaft 21 is rotatably mounted on the first fixing block 23 and connected to the second gear 19. The other end is rotatably mounted on the second fixing block 24. The drive shaft 21 is provided with a first slider 22 that can slide along the drive shaft 21. The pusher slider 10 and the cutting blade assembly 11 are located on the top of the first slider 22. The moving module 29 is located on the side of the first slider 22.

[0030] The drive shaft 21 is a lead screw, and the first slider 22 is provided with a threaded hole that mates with the lead screw.

[0031] In use, turning on the joint motor 6 control switch allows the staple cartridge 5 to rotate 360 ​​degrees, and the appropriate angle can be selected according to the needs of the work site. Turning on the firing button controls the micro stepper motor 15 to generate power and rotate the transmission shaft 21 through the gear transmission box assembly. The transmission shaft 21 drives the first slider 22 to move back and forth through the thread. The movement of the first slider 22 drives the cutting blade assembly 11 and the staple pusher slider 10 to reciprocate back and forth. When the cutting blade assembly 11 moves, it cuts the tissue. At the same time, when the staple pusher slider 10 moves, it pushes the titanium staples out of the staple cartridge 5 and is squeezed by the staple holder 4, thereby suturing the cut tissue.

[0032] like Figure 6 In the second embodiment shown, the driving assembly 8 includes an electric cylinder 25 or a pneumatic cylinder controlled by a control board 7. The electric cylinder 25 or the pneumatic cylinder is located at the hinge of the nail cartridge seat 3, and the telescopic rod 28 is forward. The ends of the telescopic rod 28 of the electric cylinder 25 or the pneumatic cylinder are sequentially fixed with a second slider 26 and a third slider 27 from back to front. The cutting blade assembly 11 is located on the top of the second slider 26, the nail pusher slider 10 is located on the top of the third slider 27, and the moving module 29 is located on the side of the second slider 26.

[0033] When in use, turn on the firing button, and the electric cylinder 25 or pneumatic cylinder on the control panel 7 will extend the telescopic rod 28 of the electric cylinder 25 or pneumatic cylinder, driving the second slider 26 and the third slider 27 to reciprocate, which in turn drives the cutting blade assembly 11 and the pusher slider 10 to reciprocate back and forth. When the cutting blade assembly 11 moves, it cuts the tissue, and at the same time, when the pusher slider 10 moves, it pushes the titanium nails out of the nail chamber 5 and is squeezed by the nail seat 4, thereby suturing the cut tissue.

[0034] The present invention achieves the following beneficial effects by adopting the above-mentioned structure: The present invention provides an intelligent self-driven stapler with a staple cartridge. By setting a joint motor between the instrument rod and the staple cartridge assembly, the staple cartridge can rotate at any angle of 360 degrees. This allows it to be placed in more confined and complex work areas such as the thoracic cavity and pelvic floor. Furthermore, it reduces the power transmission system on the device body, resulting in weight reduction and a slimmer design, providing ample structural design space for the subsequent addition of intelligent control systems and information control modules. Through the addition of a sensing control mechanism and a drive assembly controlled by a control board, the actuator of the stapler becomes intelligent, allowing for flexible setting of the stopping position and selection of various anastomosis lengths. The miniaturized and optimized design of the device body further reduces the overall weight of the stapler, providing users with a more flexible and convenient operating experience.

[0035] The above-described embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. An intelligent self-driven stapler with a staple cartridge, comprising a stapler gun body, an instrument rod disposed at the front end of the gun body, and a staple cartridge assembly disposed at the front end of the instrument rod, wherein the staple cartridge assembly comprises a staple cartridge seat and a staple abutment seat disposed vertically and connected at their rear ends, the staple cartridge seat is provided with a staple cartridge mounting frame, and the staple cartridge mounting frame is provided with a staple cartridge having a slit, characterized in that, A joint motor controlled by a control panel is provided between the instrument rod and the staple cartridge assembly. The staple cartridge seat is located below the hinge and is provided with a drive assembly controlled by the control panel. A sliding assembly is provided at the front end of the drive assembly between the staple cartridge seat and the staple cartridge mounting frame. The sliding assembly is provided with a staple pusher slider and a cutting blade assembly. The staple pusher slider is located at the front end of the cutting blade assembly and is located below the staple cartridge. The cutting blade assembly can move back and forth within the gap and its upper part protrudes from the top of the staple cartridge.

2. The intelligent self-driven stapler as described in claim 1, characterized in that: The staple cartridge is equipped with a laser sensing control mechanism, a magnetic strip sensing control mechanism, or a viewing angle sensing control mechanism on its side.

3. The intelligent self-driven stapler as described in claim 2, characterized in that: The bottom inner side of the staple cartridge is provided with a sensing module at the front end and a control module at the rear end. The sliding component is provided with a moving module on its side. The sensing module and the moving module are located on the same side. The control module is connected to the moving module and the sensing module and is connected to the control board.

4. The intelligent self-driven stapler as described in claim 3, characterized in that: The drive assembly includes a miniature stepper motor located at the hinge of the staple cartridge seat and a transmission assembly located at the front end of the miniature stepper motor. The transmission assembly is drivenly connected to the sliding assembly.

5. The intelligent self-driven stapler as described in claim 4, characterized in that: The transmission assembly includes a mounting base fixed to the micro stepper motor, a first gear mounted on the mounting base and connected to the output end of the micro stepper motor, and a second gear mounted on the mounting base and located below the first gear. The first gear and the second gear are connected by a transmission chain, and the second gear is connected to a sliding assembly.

6. The intelligent self-driven stapler as described in claim 5, characterized in that: The sliding assembly includes a drive shaft connected to the transmission assembly and a first fixing block and a second fixing block fixed between the staple cartridge seat and the staple cartridge mounting frame. The first fixing block and the second fixing block are respectively located at the rear end and the front end below the staple cartridge mounting frame. One end of the drive shaft is rotatably mounted on the first fixing block and connected to a second gear, while the other end is rotatably mounted on the second fixing block. The drive shaft is provided with a first slider that can slide along the drive shaft. The staple pusher slider and the cutting blade assembly are located on the top of the first slider, and the moving module is located on the side of the first slider.

7. The intelligent self-driven stapler as described in claim 6, characterized in that: The drive shaft is a lead screw, and the first slider is provided with a threaded hole that mates with the lead screw.

8. The intelligent self-driven stapler as described in claim 3, characterized in that: The drive assembly includes an electric cylinder or a pneumatic cylinder controlled by a control panel. The electric cylinder or pneumatic cylinder is located at the hinge of the nail cartridge seat, with the telescopic rod pointing forward. The telescopic rod end of the electric cylinder or pneumatic cylinder is sequentially fixed with a second slider and a third slider from back to front. The cutting blade assembly is located on the top of the second slider, the nail pusher slider is located on the top of the third slider, and the moving module is located on the side of the second slider.