A biopsy forceps device and biopsy system

By designing a biopsy forceps device with a camera and light source, combined with an angle adjustment component and a rotating shaft, the problem of the limited size of endoscopic biopsy forceps has been solved, achieving flexible operation and convenient use, and making it suitable for a variety of surgical scenarios.

CN224291933UActive Publication Date: 2026-05-29ZHUHAI TAIKE MEDICAL TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHUHAI TAIKE MEDICAL TECH CO LTD
Filing Date
2024-12-31
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing endoscopic biopsy forceps devices are limited in size by the size of the endoscope's working channel and are cumbersome to operate, making them difficult to use flexibly.

Method used

A biopsy forceps device was designed, comprising a handle, an insertion tube, a bending assembly, and a gripper assembly. It is equipped with a camera and a light source, and the gripper can be adjusted in multiple directions and is easy to operate through an angle adjustment assembly and a rotating shaft. Combined with an image processor and a display, it forms a biopsy system.

Benefits of technology

It enables flexible operation without being restricted by the working channel of the endoscope, improving the convenience and adjustability of the surgery, and is suitable for a variety of clinical surgical scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a biopsy forceps device and biopsy system, biopsy forceps device includes: handle, with handle connection's insertion pipe, with insertion pipe connection's bending assembly and with bending assembly connection's clamping jaw assembly, the handle is swinged to be connected with clamping jaw control assembly and is rotatively connected with angle adjusting assembly, clamping jaw control assembly is connected with clamping jaw assembly through steel wire rope, is used for controlling the opening and closing of clamping jaw on clamping jaw assembly, angle adjusting assembly is connected with bending assembly through connecting rope, and the bending direction of bending assembly is controlled through connecting rope to adjust the direction of clamping jaw, the camera and light source are provided on clamping jaw assembly. The biopsy forceps of this technical scheme increases camera, angle adjusting assembly on the basis of conventional biopsy forceps, makes the doctor when operation can directly use biopsy forceps from endoscope, and convenient operation, simple and convenient to use, conforms to most clinical operation use scene, and the practicality is better.
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Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a biopsy forceps device and a biopsy system. Background Technology

[0002] During endoscopic examinations, biopsy forceps are typically inserted into the working channel of the endoscope to remove foreign objects or tissues from the body. However, the existing method of combining endoscopes with biopsy forceps has the following problems: the size of the biopsy forceps is limited by the size of the endoscope's working channel for each surgery, and the operation is also relatively cumbersome. Utility Model Content

[0003] In order to overcome the shortcomings of existing technology, this utility model aims to provide a biopsy forceps device and biopsy system that is not limited by the size of the endoscope working channel and is easy to operate.

[0004] The technical solution adopted by this utility model to solve the technical problem is as follows:

[0005] According to one aspect of this utility model, a biopsy forceps device is designed, comprising: a handle, an insertion tube connected to the handle, a bending assembly connected to the insertion tube, and a gripper assembly connected to the bending assembly. A gripper control assembly is movably connected to the handle, and an angle adjustment assembly is rotatably connected to it. The gripper control assembly is connected to the gripper assembly via a steel wire rope and is used to control the opening and closing of the grippers on the gripper assembly. The angle adjustment assembly is connected to the bending assembly via a connecting rope, and the angle adjustment assembly controls the bending direction of the bending assembly via the connecting rope to adjust the direction of the grippers. A camera and a light source are provided on the gripper assembly.

[0006] The biopsy forceps device of this technical solution adds a camera, light source, and angle adjustment component to the conventional biopsy forceps. By rotating the angle adjustment component, the bending direction of the bending component can be controlled by the connecting rope to adjust the direction of the gripper. This allows doctors to use the biopsy forceps directly without an endoscope during surgery. It is easy to operate and use, meets the needs of most clinical surgical scenarios, has wide application, and good practicality.

[0007] To better address the aforementioned technical deficiencies, this utility model also offers a superior technical solution:

[0008] In some embodiments, the handle is provided with a rotating shaft, which is connected to the insertion tube and is used to control the rotation of the insertion tube about its axis. By providing the rotating shaft, rotating the shaft can drive the insertion tube and the bending component to rotate, and in conjunction with the rotation of the gripper assembly, the gripping angle of the grippers on the gripper assembly can be finely adjusted, facilitating fine-tuning of the gripping action.

[0009] In some embodiments, the handle is provided with an electrical interface and multiple function buttons, the function buttons, camera and light source are electrically connected to a control circuit board, and the control circuit board is electrically connected to the electrical interface.

[0010] In some embodiments, the gripper assembly includes a connecting seat, two grippers hinged to the connecting seat, two connecting plates hinged to one end of the two grippers, and a connecting rod. The connecting rod is laterally slidingly engaged with the connecting seat, one end of the connecting rod is hinged to the two connecting plates, and the other end of the connecting rod is connected to the wire rope.

[0011] In some embodiments, two cameras are symmetrically arranged on the connecting seat in a direction perpendicular to the opening and closing direction of the gripper, and each camera has a light source on one or both sides. Using dual cameras and multiple light sources can achieve better video recording results.

[0012] In some embodiments, the bending assembly includes a curved snake bone and a flexible tube disposed outside the curved snake bone.

[0013] In some embodiments, the gripper control assembly includes a pull rod and an adjusting screw that threadedly engages with the pull rod. The plug end of the pull rod is movably connected to a mounting hole on the handle, and one end of the wire rope passes through a channel on the plug end and a through hole on the adjusting screw and is fixedly connected to a connector.

[0014] In some embodiments, the angle adjustment assembly includes a rotating roller rotatably connected to a handle and an angle adjustment handle fixedly connected to the rotating roller. The connecting rope includes an upper rope and a lower rope. One end of the upper rope is fixedly connected to the upper end of the rotating roller, and the other end is fixedly connected to the upper left end of the curved snake bone in the bending assembly. One end of the lower rope is fixedly connected to the lower end of the rotating roller, and the other end is fixedly connected to the lower left end of the curved snake bone in the bending assembly.

[0015] In some embodiments, the upper and lower ropes are an integral structure and are steel wire ropes.

[0016] According to another aspect of the present invention, a biopsy system is designed, including the biopsy forceps device described above, an image processor connected to the biopsy forceps device, and a display connected to the image processor.

[0017] The image processor is used to process the images captured by the camera on the biopsy forceps device and display them on the display. Attached Figure Description

[0018] Figure 1 A schematic diagram of a biopsy forceps device according to one embodiment of the present invention;

[0019] Figure 2 for Figure 1A structural diagram from another perspective;

[0020] Figure 3 This is a schematic diagram of the gripper assembly.

[0021] Figure 4 This is a schematic diagram of the structure of the gripper assembly after the connector is hidden.

[0022] Figure 5 This is a schematic diagram of the gripper control assembly.

[0023] Figure 6 This is a schematic diagram of the cross-sectional structure of the bending component;

[0024] Figure 7 This is a cross-sectional structural diagram of the angle adjustment component;

[0025] Figure 8 This is a schematic diagram of a portable display.

[0026] Figure label:

[0027] 1. Handle; 11. Electrical interface; 12. Function button; 2. Rotary shaft; 3. Insertion tube; 4. Bending assembly; 41. Bending snake bone; 42. Flexible tube; 5. Gripper assembly; 51. Connecting seat; 52. Gripper; 53. Connecting plate; 54. Connecting rod; 6. Gripper control assembly; 61. Pull rod; 611. Plug end; 62. Adjusting screw; 63. Connector; 7. Wire rope; 8. Angle adjustment assembly; 81. Rotating roller; 82. Angle adjustment handle; 9. Connecting rope; 91. Upper rope; 92. Lower rope; 101. Camera; 102. Light source; 111. Portable display; 112. Interface. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this utility model. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of this utility model.

[0029] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0030] In the description of this utility model, unless otherwise explicitly defined, terms such as setting, installing, connecting, and fixing should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0031] Example 1

[0032] refer to Figures 1 to 7 As shown, the present invention provides a biopsy forceps device, comprising: a handle 1, an insertion tube 3 connected to the handle 1, a bending assembly 4 connected to the insertion tube 3, and a gripper assembly 5 connected to the bending assembly 4. A gripper control assembly 6 is movably connected to the handle 1, and an angle adjustment assembly 8 is rotatably connected to it. The gripper control assembly 6 is connected to the gripper assembly 5 via a steel wire rope 7, and is used to control the opening and closing of the grippers 52 on the gripper assembly 5 to perform gripping and releasing actions. The angle adjustment assembly 8 is connected to the bending assembly 4 via a connecting rope 9, and the angle adjustment assembly 8 controls the bending direction of the bending assembly 4 via the connecting rope 9 to adjust the direction of the grippers 52.

[0033] In some examples, the insertion tube 3 can be a conventional hollow pipe, and the bending assembly 4 includes a curved snake 41 and a flexible tube 42 disposed outside the curved snake 41. The flexible tube 42 is a silicone tube. The right end of the curved snake 41 is connected to the insertion tube 3, and the left end is connected to the gripper assembly 5.

[0034] A gripper control component 6 is movably connected to the handle 1. The gripper control component 6 is connected to the gripper assembly 5 via a steel wire rope 7 and is used to control the opening and closing of the gripper 52 on the gripper assembly 5 to perform gripping and releasing actions.

[0035] The gripper assembly 5 includes a connecting seat 51, two grippers 52 hinged to the connecting seat 51, a connecting plate 53, and a connecting rod 54. Each gripper 52 is hinged to a connecting plate 53 at its right end. The connecting rod 54 is laterally slidably engaged with the through hole on the connecting seat 51. The left end of the connecting rod 54 is hinged to the two connecting plates 53 through a hinge shaft. The right end of the connecting rod 54 is fixedly connected to the left end of the wire rope 7. The gripper control assembly 6 includes a pull rod 61 and an adjusting screw 62 that is threaded into the pull rod 61. The plug end 611 of the pull rod 61 is movably plugged into the mounting hole on the handle 1. The right end of the wire rope 7 passes through the curved snake bone 41, the insertion tube 3, the rotating shaft 2, the channel on the plug end 611, and the through hole on the adjusting screw 62 and is fixed to the connector 63. Pulling the pull rod 61 can control the gripper 52 to close via the wire rope 7. Pushing the pull rod 61 to move the plug end 611 toward the mounting hole on the handle 1 can control the gripper 52 to open. In addition, the tension of the wire rope 7 can be controlled by turning the adjusting screw 62.

[0036] An angle adjustment component 8 is rotatably connected to the handle 1. The angle adjustment component 8 is connected to the bending component 4 via a connecting rope 9. Rotating the angle adjustment component 8 can control the bending direction of the bending component 4 via the connecting rope 9 to adjust the direction of the gripper 52. The angle adjustment assembly 8 includes a rotating roller 81 rotatably connected to the handle 1 and an angle adjustment handle 82 fixedly connected to the rotating roller 81. The connecting rope 9 includes an upper rope 91 and a lower rope 92. The right end of the upper rope 91 is fixedly connected to the upper end of the rotating roller 81. The left end of the upper rope 91 passes through the rotating shaft 2 and the insertion tube 3 and extends to the left end of the curved snake bone 41, and is fixedly connected to the upper part of the left end of the curved snake bone 41. The right end of the lower rope 92 is fixedly connected to the lower end of the rotating roller 81. The left end of the lower rope 92 passes through the rotating shaft 2 and the insertion tube 3 and extends to the left end of the curved snake bone 41, and is fixedly connected to the lower part of the left end of the curved snake bone 41. When the angle adjustment handle 82 is moved to the left, the left end of the curved snake bone 41 can be bent upward by the cooperation of the upper rope 91 and the lower rope 92. When the angle adjustment handle 82 is moved to the right, the left end of the curved snake bone 41 can be bent downward by the cooperation of the upper rope 91 and the lower rope 92. The upper rope 91 and the lower rope 92 are an integral structure and are steel wire ropes. That is, the upper rope 91 and the lower rope 92 are a single steel wire rope, and the right end is wrapped around the rotating roller 81 and fixedly connected to the rotating roller 81.

[0037] In some examples, a pivot 2 may be provided on the handle 1, which is connected to the insertion tube 3. The pivot 2 is used to control the rotation of the insertion tube 3 around its axis. Adding the pivot 2 allows the insertion tube 3 to be rotated to any angle, thus enabling the bending component 4, which could originally only bend in two directions, to bend in multiple directions, thereby increasing the adjustment direction of the gripper 52.

[0038] The right end of the handle 1 is connected to an electrical interface 11 and has two, three or more function buttons 12. In this embodiment, the handle 1 preferably has three function buttons 12, which are used to realize white balance, photo taking, and video recording functions, respectively. The gripper assembly 5 is equipped with a camera 101 and a light source 102. Further, a camera 101 is provided on each side of the left end face of the connecting seat 51, and a light source 102 is provided on one or both sides of each camera 101. In this embodiment, a light source 102 is provided on each side of each camera 101. The function buttons 12, cameras 101 and light sources 102 are electrically connected to the control circuit board, and the control circuit board is electrically connected to the electrical interface 11.

[0039] Example 2

[0040] The present invention provides a biopsy forceps system, including a biopsy forceps device as described in Embodiment 1 above, an image processor connected to the biopsy forceps device, and a display connected to the image processor; wherein, the electrical interface on the biopsy forceps device is electrically connected to the image processor via a data transfer cable.

[0041] The image processor is used to receive and process image information captured by the camera on the biopsy forceps device, and then transmit it to the display for display.

[0042] In some embodiments, the image processor and the display are integrated to form a portable display, such as... Figure 8 As shown, the portable display 111 includes a display screen and an image processing chip. The interface 112 at the lower end of the display 111 is electrically connected to the electrical interface 11 via a data adapter cable.

[0043] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and these all fall within the protection scope of this utility model.

Claims

1. A biopsy forceps device, characterized in that, include: The device includes a handle, an insertion tube connected to the handle, a bending assembly connected to the insertion tube, and a gripper assembly connected to the bending assembly. A gripper control assembly is movably connected to the handle, and an angle adjustment assembly is rotatably connected to it. The gripper control assembly is connected to the gripper assembly via a steel wire rope and is used to control the opening and closing of the grippers on the gripper assembly. The angle adjustment assembly is connected to the bending assembly via a connecting rope, and the angle adjustment assembly controls the bending direction of the bending assembly via the connecting rope to adjust the direction of the grippers. A camera and a light source are provided on the gripper assembly.

2. The biopsy forceps device according to claim 1, characterized in that, The handle is provided with a rotating shaft, which is connected to the insertion tube and is used to control the rotation of the insertion tube around its axis.

3. The biopsy forceps device according to claim 1, characterized in that, The handle is equipped with an electrical interface and multiple function buttons. The function buttons, camera, and light source are electrically connected to the control circuit board, and the control circuit board is electrically connected to the electrical interface.

4. The biopsy forceps device according to claim 1, characterized in that, The gripper assembly includes a connecting seat, two grippers hinged to the connecting seat, two connecting plates hinged to one end of the two grippers, and a connecting rod. The connecting rod is laterally slidingly engaged with the connecting seat, one end of the connecting rod is hinged to the two connecting plates, and the other end of the connecting rod is connected to the wire rope.

5. The biopsy forceps device according to claim 4, characterized in that, Two cameras are symmetrically arranged on the connecting seat in a direction perpendicular to the opening and closing direction of the gripper, and each camera has a light source on one or both sides.

6. The biopsy forceps device according to claim 1, characterized in that, The bending assembly includes a curved snake bone and a flexible tube disposed outside the curved snake bone.

7. The biopsy forceps device according to claim 1, characterized in that, The gripper control assembly includes a pull rod and an adjusting screw that is threaded into the pull rod. The plug end of the pull rod is movably plugged into the mounting hole on the handle. One end of the wire rope passes through the channel on the plug end and the through hole on the adjusting screw and is fixedly connected to the connector.

8. A biopsy forceps device according to claim 1, characterized in that, The angle adjustment assembly includes a rotating roller that is rotatably connected to the handle and an angle adjustment handle that is fixedly connected to the rotating roller. The connecting rope includes an upper rope and a lower rope. One end of the upper rope is fixedly connected to the upper end of the rotating roller, and the other end is fixedly connected to the upper left end of the curved snake bone in the bending assembly. One end of the lower rope is fixedly connected to the lower end of the rotating roller, and the other end is fixedly connected to the lower left end of the curved snake bone in the bending assembly.

9. A biopsy forceps device according to claim 8, characterized in that, The upper and lower ropes are an integral structure and are made of steel wire rope.

10. A biopsy system, characterized in that, Includes a biopsy forceps device as described in any one of claims 1-9, an image processor connected to the biopsy forceps device, and a display connected to the image processor; The image processor is used to process the images captured by the camera on the biopsy forceps device and display them on the display.