A unilateral dual-channel endoscopic technique for fusion device crank holder

By designing a single-sided dual-channel endoscopic technology with bent crank and handle suitable for fusion crank holder, the problem of possible knocking on the vertebral body when the straight shank hits into the intervertebral space in the prior art is solved, and the safety and convenience of surgery is achieved when fusion under the lumbar vertebral vertebral lens is achieved.

CN222693612UActive Publication Date: 2025-04-01SHANGHAI TONGREN HOSPITAL
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Patent Information

Application Number
CN202420498406.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-14
Publication Date
2025-04-01
Estimated Expiration
2034-03-14

AI Technical Summary

Technical Problem

The existing lumbar intervertebral fusion device requires a straight shank holder to knock into the intervertebral space. When the unilateral double-channel endoscopy is fused under the microscope, the right hand channel is angled to the intervertebral space, and the straight shank knock into the vertebral body may knock into the vertebral body.

Method used

A single-sided dual-channel endoscope technology is designed to be suitable for fusion crank holder, including a crank and handle that bent twice. The bend of the crank forms a hand-holding end and an operating end. The hand-holding end is installed with the handle, the rod core extends into the crank and handle, the fusion device is installed, and a clamping block and anti-slip marking are provided.

Benefits of technology

By bending the crank and installing the fusion device, a method of using the incision parallel to the intervertebral space when knocking into the fusion device is provided, making the surgery safer and easier to perform.

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Abstract

The utility model discloses a fusion device crank holder applicable to unilateral dual-channel endoscopic technology, characterized in that it comprises: a crank and a handle; the crank is bent twice to form a hand-holding end and an operating end, and the hand-holding end and the operating end face opposite directions; the handle is installed on the hand-holding end. Through the application of the utility model, a fusion device crank holder applicable to unilateral dual-channel endoscopic technology is provided. When the holder is used, the crank is arranged, which is convenient for knocking in the fusion device, and the incision is parallel to the intervertebral space at the same time, so that the operation is safe and easy to perform.
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Description

Technical Field

[0001] The utility model relates to the related technical fields such as medical devices, and particularly relates to a fusion device crank holder applicable to the unilateral dual-channel endoscopy technology. Background Art

[0002] Lumbar spinal fusion is a lumbar vertebral attachment surgery performed on patients with deformities, osteomyelitis or lumbar fractures. Currently, the existing lumbar interbody fusion devices need to be knocked into the intervertebral space by a holder, and they are all straight handles. However, when performing lumbar endoscopic fusion with the unilateral dual-channel endoscope, the right hand channel often forms an angle with the intervertebral space. Knocking the straight handle into the fusion device may knock it into the vertebral body. Content of the Utility Model

[0003] In view of this, to solve the above problems, the purpose of the utility model is to provide a fusion device crank holder applicable to the unilateral dual-channel endoscopy technology, which is characterized by including:

[0004] A crank and a handle;

[0005] The crank is bent twice to form a hand-held end and an operating end, and the hand-held end and the operating end face opposite directions;

[0006] The handle is installed at the hand-held end.

[0007] The above-mentioned fusion device crank holder applicable to the unilateral dual-channel endoscopy technology is characterized by further including: a rod core, the outer contour of the rod core is the same as the outer contour of the crank, and one end of the rod core sequentially extends into the handle and the crank and installs the fusion device.

[0008] The above-mentioned fusion device crank holder applicable to the unilateral dual-channel endoscopy technology is characterized in that a clamping block is provided at one end of the rod core extending out of the crank, and the clamping block clamps the fusion device.

[0009] The above-mentioned fusion device crank holder applicable to the unilateral dual-channel endoscopy technology is characterized in that a plurality of anti-slip lines are provided on the outer part of the handle.

[0010] The above-mentioned fusion device crank holder applicable to the unilateral dual-channel endoscopy technology is characterized in that the crank is bent at right angles twice to form the hand-held end and the operating end.

[0011] The above-mentioned fusion device crank holder applicable to the unilateral dual-channel endoscopy technology is characterized in that the clamping block includes: two clamping heads; the two clamping heads form a "U" - shaped structure, and the two clamping heads are inserted into the slot of the fusion device to fix the fusion device.

[0012] The positive effects of the above technical solution compared with the prior art are:

[0013] Through the application of the utility model, a fusion device crank holder suitable for unilateral dual-channel endoscopic technology is provided. When the present application uses the holder with a crank arrangement, it is convenient to use the incision to be parallel to the intervertebral space when knocking in the fusion device, making the operation safe and easy to perform. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of a fusion device crank holder suitable for unilateral dual-channel endoscopic technology of the utility model.

[0015] Figure 2 It is a schematic diagram of the rod core of the utility model.

[0016] 1. Crank; 2. Operating end; 3. Clamping block; 4. Grip end; 5. Handle; 6. Rod core; 7. Clamping head. DETAILED DESCRIPTION

[0017] The present invention will be further described below in conjunction with the accompanying drawings and specific implementations, but they are not intended to limit the present invention.

[0018] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effect that the utility model can produce and the purpose that can be achieved, should still fall within the scope of the technical content disclosed by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the utility model without substantial change of the technical content.

[0019] like Figure 1 to Figure 2 As shown, a preferred embodiment of a unilateral dual-channel endoscopic technology-applicable fusion device crank holder is shown, characterized in that it includes: a crank 1 and a handle 5.

[0020] The crank 1 is bent twice to form a grip end 4 and an operating end 2 , and the grip end 4 and the operating end 2 face in opposite directions; a handle 5 is installed on the grip end 4 .

[0021] In actual use, the crank 1 can protect the vertebral endplate and keep the fusion device parallel to the intervertebral space when it is inserted through the crank 1. The operating end 2 is the end that extends into the patient's spine, the hand-holding end 4 is the end held by the doctor, and the crank 1 is bent twice to have a lever arm. The doctor holds the handle 5 to make it more convenient to insert the fusion device into the surgical site when in use.

[0022] The present utility model further has the following embodiments on the basis of the above:

[0023] Furthermore, a fusion device crank holder applicable to the unilateral double-channel endoscopic technique, characterized in that it further comprises: a rod core 6, the outer contour of the rod core 6 is the same as the outer contour of the crank 1, and one end of the rod core 6 sequentially extends into the handle 5 and the crank 1 and a fusion device is installed.

[0024] Furthermore, a fusion device crank holder applicable to the unilateral double-channel endoscopic technique, characterized in that a clamping block 3 is provided at one end of the rod core 6 extending out of the crank 1, and the clamping block 3 clamps the fusion device. Specifically, the clamping block 3 clamps the fusion device and extends it into the patient's body.

[0025] Furthermore, a fusion device crank holder applicable to the unilateral double-channel endoscopic technique, characterized in that a plurality of anti-slip lines are provided on the outside of the handle 5. Specifically, when the handle 5 is used, it is not easy to slip.

[0026] Furthermore, a fusion device crank holder applicable to the unilateral double-channel endoscopic technique, characterized in that the crank 1 is bent at right angles twice to form a hand-held end 4 and an operating end 2. Specifically, both bending points of the crank 1 have rounded corners.

[0027] Furthermore, a fusion device crank holder applicable to the unilateral double-channel endoscopic technique, characterized in that the clamping block 3 comprises: two clamping heads 7; the two clamping heads 7 form a "U" - shaped structure, and the two clamping heads 7 are inserted into the slot of the fusion device to fix the fusion device. Specifically, the two clamping heads 7 match the tail of the fusion device and are inserted into the slot of the fusion device to play a fixing role.

[0028] The above are only the preferred embodiments of the present utility model, and thus do not limit the implementation manners and protection scope of the present utility model. For those skilled in the art, it should be realized that all equivalent replacements and obvious changes made by using the description and illustrations of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A fusion device crank holder suitable for unilateral dual-channel endoscopic technology, characterized in that: Comprising: A crank and a handle; The crank is bent twice to form a hand-held end and an operating end, and the hand-held end and the operating end face in opposite directions. Both bending points of the crank have rounded corners; The handle is mounted on the hand-held end.

2. A fusion device crank holder for unilateral dual-channel endoscopic technology according to claim 1, characterized in that: It further comprises: A rod core, the outer contour of the rod core is the same as that of the crank, and one end of the rod core sequentially extends into the handle and the crank and mounts a fuser.

3. The unilateral dual-channel endoscopic technique-applicable fusion device crank holder according to claim 2, characterized in that: A clamping block is provided at one end of the rod core extending out of the crank, and the clamping block clamps the fuser.

4. The unilateral dual-channel endoscopic technique-applicable fusion device crank holder according to claim 1, characterized in that: A plurality of anti-slip lines are provided on the outside of the handle.

5. The fusion device crank holder applicable to unilateral dual-channel endoscopic technology according to claim 1 is characterized in that: The crank is bent at right angles twice to form the hand-held end and the operating end.

6. The unilateral dual-channel endoscopic technique-applicable fusion device crank holder according to claim 3, characterized in that: The clamping block includes: two clamping heads; the two clamping heads form a "U" - shaped structure, and the two clamping heads are inserted into the groove of the fuser to fix the fuser.