Visual trephine structure

Abstract

The invention discloses a visible trephine structure, and relates to the technical field of medical instruments, the visible trephine structure comprises a tubular column, the tubular column is a hollow tube body, one end of the tubular column is provided with sawteeth along the circumferential direction, the other end of the tubular column is sleeved with a handle part, the end part of the tubular column penetrates through the outer wall of the handle part and is flush with the outer wall of the handle part, the section of the handle part is arc-shaped, and the tubular column is arranged along the axis line of the handle part. Compared with the prior art, the visible trephine structure has the advantages that rotary cutting use is facilitated, and endoscopic observation is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of medical instruments, and in particular to a visible ring saw structure. Background Art

[0002] Intervertebral fusion is a commonly used surgical procedure for the treatment of lumbar disc herniation. The fusion effect of the patient's vertebrae and the reconstruction of spinal stability after surgery are important factors affecting the effectiveness of the surgery. With the improvement of technology, the indications for the treatment of lumbar degenerative diseases under perforaminal endoscopic lumbar discectomy are becoming more and more extensive. This surgery mainly uses a ring saw to remove the superior articular process to achieve the purpose of treating the patient. However, the current ring saw can easily cause damage to the dura mater and nerve roots when removing the articular process, greatly increasing the difficulty of the doctor's operation. Summary of the invention

[0003] 1. Problems to be solved

[0004] The technical problem to be solved by the present invention is to overcome the above technical defects and provide a visual ring saw structure that is convenient for rotary cutting and endoscopic observation.

[0005] (II) Technical solution

[0006] In order to solve the above technical problems, the technical solution provided by the present invention is: a visible ring saw structure, including a pipe column, the pipe column is a hollow tube body, one end of the pipe column is provided with saw teeth along its circumferential direction, and the other end is sleeved with a handle part, the end of the pipe column passes through the outer wall of the handle part and is arranged flush with its outer wall, the cross-section of the handle part is arc-shaped, and the pipe column is arranged along its axial core line.

[0007] As an improvement, the edge of the handle portion is evenly concavely provided with four groups of hand grooves along its circumference, and the walls of the hand grooves are all chamfered.

[0008] As an improvement, the length of the tube column is 175 mm, the outer diameter of the tube column is 7.5 mm, and the inner diameter is 6.5 mm.

[0009] As an improvement, the length of the tube column is 212 mm, the outer diameter of the tube column is 7.5 mm, and the inner diameter is 6.5 mm.

[0010] As an improvement, the length of the tube column is 129 mm, the outer diameter of the tube column is 7.5 mm, and the inner diameter is 6.5 mm.

[0011] As an improvement, the length of the tube column is 175 mm, the outer diameter of the tube column is 8.5 mm, and the inner diameter is 7.5 mm.

[0012] As an improvement, the length of the tube column is 154 mm, the outer diameter of the tube column is 7.5 mm, and the inner diameter is 6.5 mm.

[0013] As an improvement, the length of the tube column is 124 mm, the outer diameter of the tube column is 7.0 mm, and the inner diameter is 6.0 mm.

[0014] (III) Beneficial effects

[0015] The advantages of the present invention compared with the prior art are: in this application, the hollow tube body is arranged to facilitate use with an endoscope, wherein the serrations arranged in a circular ring shape can be used to rotate the handle for tissue cutting, wherein the handle is concave with multiple groups of hand grooves, which facilitate the user to hold and use the instrument at any angle, and the present application also provides a variety of specifications for different usage needs to meet different usage needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a visible ring saw structure.

[0017] Figure 2 The present invention is a structural schematic diagram of a visible ring saw structure from a second viewing angle.

[0018] Figure 3 The invention is a structural schematic diagram of a visual cross-section of a ring saw structure.

[0019] As shown in the figure: 1. Pipe column; 2. Serrations; 3. Handle; 4. Hand groove. DETAILED DESCRIPTION

[0020] The specific implementation of the present invention is further described below in conjunction with the accompanying drawings, wherein the same components are represented by the same reference numerals.

[0021] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0022] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly connected by technicians in the technical field to which the present invention belongs. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0024] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] Please refer to the attached Figure 1-3 A visible ring saw structure includes a pipe column 1, wherein the pipe column 1 is a hollow pipe body, and one end of the pipe column 1 is provided with saw teeth 2 along its circumferential direction.

[0026] In one of the embodiments, in order to facilitate the control of rotation, a handle portion 3 is sleeved on the other end of the tube column, and the end of the tube column 1 passes through the outer wall of the handle portion 3 and is arranged flush with the outer wall. At the same time, in order to facilitate the operation of inserting into the endoscope, the cross-section of the handle portion 3 is arc-shaped, which is convenient for aligning the hollow tube column 1 and inserting the endoscope.

[0027] In order to ensure the stability of the position during rotation, the pipe column 1 is arranged along its axial center line.

[0028] The edge of the handle portion 3 is evenly concavely provided with four groups of hand grooves 4 along its circumference, and the walls of the hand grooves 4 are all chamfered to facilitate holding and use.

[0029] In one embodiment:

[0030] The length of the column 1 is 175 mm, the outer diameter of the column 1 is 7.5 mm, and the inner diameter is 6.5 mm.

[0031] In one embodiment:

[0032] The length of the column 1 is 212 mm, the outer diameter of the column 1 is 7.5 mm, and the inner diameter is 6.5 mm.

[0033] In one embodiment:

[0034] The length of the column 1 is 129 mm, the outer diameter of the column 1 is 7.5 mm, and the inner diameter is 6.5 mm.

[0035] In one embodiment:

[0036] The length of the pipe column 1 is 175 mm, the outer diameter of the pipe column 1 is 8.5 mm, and the inner diameter is 7.5 mm.

[0037] In one embodiment:

[0038] The length of the column 1 is 154 mm, the outer diameter of the column 1 is 7.5 mm, and the inner diameter is 6.5 mm.

[0039] In one embodiment:

[0040] The length of the column 1 is 124 mm, the outer diameter of the column 1 is 7.0 mm, and the inner diameter is 6.0 mm.

[0041] In the specific implementation of the present invention, an endoscope is inserted through the hollow tube body. When a cutting operation is required, the working environment of the blade can be viewed through the endoscope, and the handle portion is rotated through the hand groove to control the rotation of the tube column 1, so that the corresponding area can be cut through the saw teeth 2. Multiple specifications and sizes are set to meet different usage needs. Contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0042] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0043] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. A visual trepanning structure, comprising a pipe column (1), characterized in that: The pipe column (1) is a hollow pipe body. One end of the pipe column (1) is provided with saw teeth (2) along its circumferential direction. The other end is sleeved with a handle (3). The end of the pipe column (1) passes through the outer wall of the handle (3) and is arranged flush with the outer wall. The cross section of the handle (3) is arc-shaped, and the pipe column (1) is arranged along its axial core line.

2. A visual trephine structure according to claim 1, characterized in that: The edge of the handle portion (3) is evenly concavely provided with four groups of hand grooves (4) along its circumference, and the walls of the hand grooves (4) are all chamfered.

3. The visual trephine structure according to claim 1, characterized in that: The length of the tube column (1) is 175 mm, the outer diameter of the tube column (1) is 7.5 mm, and the inner diameter is 6.5 mm.

4. The visual trephine structure according to claim 1, characterized in that: The length of the tube column (1) is 212 mm, the outer diameter of the tube column (1) is 7.5 mm, and the inner diameter is 6.5 mm.

5. The visual trephine structure according to claim 1, characterized in that: The length of the tube column (1) is 129 mm, the outer diameter of the tube column (1) is 7.5 mm, and the inner diameter is 6.5 mm.

6. The visual trephine structure according to claim 1, characterized in that: The length of the tube column (1) is 175 mm, the outer diameter of the tube column (1) is 8.5 mm, and the inner diameter is 7.5 mm.

7. The visual trephine structure according to claim 1, characterized in that: The length of the tube column (1) is 154 mm, the outer diameter of the tube column (1) is 7.5 mm, and the inner diameter is 6.5 mm.

8. The visual trephine structure according to claim 1, characterized in that: The length of the tube column (1) is 124 mm, the outer diameter of the tube column (1) is 7.0 mm, and the inner diameter is 6.0 mm.

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