Needle holder of laparoscope

By designing a laparoscopic needle holder including clamping components, using structures such as rotor, knob, pendulum body and traction wheel, the problems of cumbersome and inconvenient operation in the prior art are solved, and the stability, convenient operation and multi-angle rotation adjustment of the suture needle are achieved, and the convenience and stability of the device are improved.

CN222676317UActive Publication Date: 2025-03-28KANGQING (JIANGSU) MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202421814064.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-03-28
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

When used, the existing laparoscopic needle holder requires staff to continuously clamp the suture needle with their fingers. The operation is cumbersome and difficult to rotate and adjust from multiple angles, resulting in inconvenience in use.

Method used

A laparoscopic needle holder including a clamping assembly is designed, the clamping assembly consists of a rotor, a knob, a pendulum body, a first traction wheel and a second traction wheel. The gear assembly is driven to rotate by a driving motor. The first traction wheel and the second traction wheel bite or drive the suture needle to move in the circular arc, and the friction is increased by the limiting teeth to ensure stability. At the same time, the device can be rotated and adjusted from multiple angles.

Benefits of technology

The stable and convenient operation of the suture needle is achieved, the operation risks of medical staff are reduced, and the convenience and stability of the device are improved during use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a laparoscope needle holder, and particularly relates to the technical field of needle holders, the laparoscope needle holder comprises a needle holder main body, a clamping assembly is arranged on the needle holder main body, the clamping assembly comprises a rotating cylinder arranged at one end of the needle holder main body, the rotating cylinder is rotatably connected with the needle holder main body, and a knob is movably connected on the rotating cylinder. The clamping assembly is arranged, the first traction wheel and the second traction wheel can bite or drive the suture needle to move according to an arc, the purpose of suturing a wound is achieved, multi-angle rotation and swinging can be achieved, operation is easy and convenient, the operation risk of medical workers is reduced, and the convenience of the device in use is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of needle holders, and more specifically, to a laparoscopic needle holder. Background Art

[0002] Laparoscopic surgery is a minimally invasive surgery that requires the laparoscopic needle holder to hold the suture needle and insert it into the human body for suturing. The needle holder is a common surgical instrument and is mainly used to hold the suture needle for suturing and tying tissues.

[0003] Among them, it was found through searching that the patent application number CN202321437179.8 discloses a laparoscopic needle holder, including a clamp body, a clamp head is provided at one end of the clamp body, and a first clamp handle and a second clamp handle are provided at the other end of the clamp body; the clamp head is divided into a first clamp head and a second clamp head, the first clamp head is connected to the first clamp handle, and the second clamp head is connected to the second clamp handle; an arc plate is connected under the first clamp handle, an arc groove is opened in the arc plate, an arc block is connected under the second clamp handle, and the arc block is slidably connected to the arc groove;

[0004] When this structure is in use, the connection between the clamp handles is increased through the arc groove and the arc block, thereby reducing the possibility of the clamp handles being misplaced during use. However, when in use, this structure requires the staff to continuously use their fingers to clamp the suture needle through the device, the operation is relatively cumbersome, and it is not easy to perform multi-angle rotation adjustment, resulting in the device being inconvenient when in use. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a laparoscopic needle holder, aiming to solve the problems raised in the above-mentioned background technology.

[0006] The utility model is implemented in this way. The utility model provides the following technical solutions: a laparoscopic needle holder comprises a needle holder body, and a clamping assembly is arranged on the needle holder body;

[0007] The clamping assembly comprises a rotary cylinder arranged at one end of the needle holder body, the rotary cylinder is rotatably connected to the needle holder body, a knob is movably connected to the rotary cylinder, a swing cylinder body is arranged on the knob, and a plurality of anti-slip pads are distributed on the outer side of the rotary cylinder;

[0008] A connector is provided at one end of the swing cylinder, a first traction wheel is provided at one end of the connector, a second traction wheel is provided at one side of the first traction wheel, a first clamping arm is provided on the first traction wheel, a second clamping arm is provided on the second traction wheel, and limiting teeth are provided at one side of the first clamping arm and the second clamping arm;

[0009] It can be seen that in the above technical solution, the first traction wheel and the second traction wheel can bite or drive the suture needle to move in a circular arc to achieve the purpose of suturing the wound, and when the device is in use, the friction between the first clamp arm and the second clamp arm and the suture needle is increased by setting the limiting teeth, thereby ensuring the stability of the suture needle when moving in a circular arc.

[0010] Optionally, in a possible embodiment, a handle is provided at the bottom of the needle holder body, a switch is provided at one end of the handle, the switch is mounted on the needle holder body, a controller is provided at one end of the needle holder body, the controller is detachably connected to the needle holder body, a gear assembly for driving the first traction wheel to rotate is provided inside the needle holder body, a driving motor for driving the gear assembly to rotate is provided outside the needle holder body, the connector is detachably connected to the swing cylinder body, and the swing cylinder body is detachably connected to the knob;

[0011] It can be seen that in the above technical solution, the suture needle is placed between the first clamp arm and the second clamp arm, and the gear assembly is driven to rotate by the driving motor, and the gear assembly rotates to drive the first traction wheel to rotate.

[0012] Technical effects and advantages of the utility model:

[0013] By setting the clamping assembly, compared with the prior art, through the corresponding cooperation of various structures, the gear assembly drives the first traction wheel to rotate when rotating, and the suture needle can be bitten or driven to move along the arc through the first traction wheel and the second traction wheel, so as to achieve the purpose of suturing the wound. It can rotate at multiple angles, swing, and is easy to operate, which reduces the operating risk of medical staff and improves the convenience of the device when in use;

[0014] When the device is in use, the setting of the limiting teeth increases the friction between the first clamp arm, the second clamp arm and the suture needle, thereby ensuring the stability of the suture needle when it moves along a circular arc. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the present disclosure, the following briefly introduces the drawings required to be used in some embodiments of the present disclosure. Obviously, the drawings described below are only drawings of some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can also be obtained based on these drawings. In addition, the drawings described below can be regarded as schematic diagrams, and are not limitations on the actual size of the product involved in the embodiments of the present disclosure, the actual process of the method, the actual timing of the signal, etc.

[0016] Figure 1 It is the front view of the overall structure of the utility model.

[0017] Figure 2It is a side view of the needle holder body, rotary cylinder, drive motor and gear assembly of the utility model.

[0018] Figure 3 This is a schematic diagram of the operation of the suture needle of the utility model.

[0019] Figure 4 This is a top view of the first clamping arm and the knob of the utility model when in operation.

[0020] The accompanying drawings are marked as follows: 1. needle holder body; 2. rotary cylinder; 3. knob; 4. anti-slip pad; 5. swing cylinder body; 6. connector; 7. first traction wheel; 8. second traction wheel; 9. first clamping arm; 10. second clamping arm; 11. handle; 12. switch; 13. controller; 14. drive motor; 15. gear assembly. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] As attached Figure 1-4 The laparoscopic needle holder shown in the figure, through the clamping assembly provided on the needle holder body 1, starts the driving gear assembly 15 to rotate through the driving motor 14, and when the gear assembly 15 rotates, it drives the first traction wheel 7 to rotate, and the first traction wheel 7 and the second traction wheel 8 can bite or drive the suture needle to move in a circular arc, so as to achieve the purpose of suturing the wound, and when the device is in use, the friction between the first clamp arm 9 and the second clamp arm 10 and the suture needle is improved through the setting of the limit teeth, thereby ensuring the stability of the suture needle when it moves in a circular arc, and at the same time, when the device is in use, the rotary cylinder 2 can be rotated to make the knob 3, the swing cylinder body 5, the connector 6, the first clamp arm 9 and the second clamp arm 10 rotate along the axis point where the rotary cylinder 2 and the needle holder body 1 are connected, and the knob 3 can also be turned to drive the swing cylinder body 5 to swing at one end of the rotary cylinder 2, so as to realize the function of multi-angle adjustment during suturing, and improve the convenience of the device during suturing, and the specific structure of the assembly is arranged as follows;

[0023] The clamping assembly includes a rotary cylinder 2 arranged at one end of the needle holder body 1, the rotary cylinder 2 is rotatably connected to the needle holder body 1, a knob 3 is movably connected to the rotary cylinder 2, a swing cylinder 5 is arranged on the knob 3, and a plurality of anti-slip pads 4 are distributed on the outer side of the rotary cylinder 2;

[0024] A connector 6 is provided at one end of the swing cylinder 5, a first traction wheel 7 is provided at one end of the connector 6, a second traction wheel 8 is provided at one side of the first traction wheel 7, a first clamping arm 9 is provided on the first traction wheel 7, a second clamping arm 10 is provided on the second traction wheel 8, and a limiting tooth is provided at one side of the first clamping arm 9 and the second clamping arm 10;

[0025] A handle 11 is provided at the bottom of the needle holder body 1, and a switch 12 is provided at one end of the handle 11, and the switch 12 is installed on the needle holder body 1. A controller 13 is provided at one end of the needle holder body 1, and the controller 13 is detachably connected to the needle holder body 1. A gear assembly 15 for driving the first traction wheel 7 to rotate is provided inside the needle holder body 1, and a driving motor 14 for driving the gear assembly 15 to rotate is provided on the outside of the needle holder body 1. The connector 6 is detachably connected to the pendulum cylinder 5, and the pendulum cylinder 5 is detachably connected to the knob 3.

[0026] According to the above structure, when the device is in use, the staff holds the device in hand, and the stability and convenience of the device when held in hand are improved through the switch 12. At the same time, when suturing, the suture needle is placed between the first clamp arm 9 and the second clamp arm 10, and the driving motor 14 is used to start the driving gear assembly 15 to rotate. When the gear assembly 15 rotates, it drives the first traction wheel 7 to rotate, and the suture needle can be bitten or driven to move in a circular arc through the first traction wheel 7 and the second traction wheel 8, so as to achieve the purpose of suturing the wound;

[0027] When the device is in use, the setting of the limiting teeth increases the friction between the first clamp arm 9 and the second clamp arm 10 and the suture needle, thereby ensuring the stability of the suture needle when it moves along the arc;

[0028] At the same time, when the device is in use, the rotary cylinder 2 can be rotated to make the knob 3, the swing cylinder body 5, the connecting head 6, the first clamp arm 9 and the second clamp arm 10 rotate along the axis point of the connection between the rotary cylinder 2 and the needle holder body 1, or the knob 3 can be turned to drive the swing cylinder body 5 to swing at one end of the rotary cylinder 2, thereby realizing the function of multi-angle adjustment during suturing, thereby improving the convenience of the device during suturing.

[0029] Different from the prior art, the present application discloses a laparoscopic needle holder, which drives the gear assembly 15 to rotate by driving the motor 14. When the gear assembly 15 rotates, it drives the first traction wheel 7 to rotate. The first traction wheel 7 and the second traction wheel 8 can bite or drive the suture needle to move in a circular arc to achieve the purpose of suturing the wound. When the device is in use, the friction between the first clamp arm 9 and the second clamp arm 10 and the suture needle is improved through the setting of the limit teeth, thereby ensuring the stability of the suture needle when it moves in a circular arc. At the same time, when the device is in use, the rotary cylinder 2 can be rotated to make the knob 3, the swing cylinder body 5, the connector 6, the first clamp arm 9 and the second clamp arm 10 rotate along the axis point of the connection between the rotary cylinder 2 and the needle holder body 1. The knob 3 can also be turned to drive the swing cylinder body 5 to swing at one end of the rotary cylinder 2, thereby realizing the function of multi-angle adjustment during suturing and improving the convenience of the device during suturing.

[0030] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A laparoscopic needle holder, comprising a needle holder body (1), characterized in that: The needle holder body (1) is provided with a clamping assembly; The clamping assembly comprises a rotary cylinder (2) arranged at one end of the needle holder body (1), the rotary cylinder (2) being rotatably connected to the needle holder body (1), a knob (3) being movably connected to the rotary cylinder (2), a swing cylinder body (5) being arranged on the knob (3), and a plurality of anti-slip pads (4) being distributed on the outer side of the rotary cylinder (2); A connector (6) is provided at one end of the swing cylinder (5), a first traction wheel (7) is provided at one end of the connector (6), and a second traction wheel (8) is provided on one side of the first traction wheel (7).

2. The laparoscopic needle holder according to claim 1, characterized in that: The first traction wheel (7) is provided with a first clamping arm (9), the second traction wheel (8) is provided with a second clamping arm (10), and one side of each of the first clamping arm (9) and the second clamping arm (10) is provided with a limiting tooth.

3. The laparoscopic needle holder according to claim 1, characterized in that: A handle (11) is provided at the bottom of the needle holder body (1), a switch (12) is provided at one end of the handle (11), and the switch (12) is mounted on the needle holder body (1).

4. The laparoscopic needle holder according to claim 1, characterized in that: A controller (13) is provided at one end of the needle holder body (1), and the controller (13) is detachably connected to the needle holder body (1).

5. The laparoscopic needle holder according to claim 1, characterized in that: A gear assembly (15) for driving the first traction wheel (7) to rotate is arranged inside the needle holder body (1), and a drive motor (14) for driving the gear assembly (15) to rotate is arranged outside the needle holder body (1).

6. The laparoscopic needle holder according to claim 1, characterized in that: The connecting head (6) is detachably connected to the swing cylinder body (5), and the swing cylinder body (5) is detachably connected to the knob (3).

Citation Information

Patent Citations

  • Needle holder of laparoscope

    CN220360434U