Visual trephine structure

Abstract

The utility model discloses a visible trephine structure, which relates to the technical field of medical instruments and comprises a tubular column, the tubular column is a hollow tubular 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, and the section of the handle part is arc-shaped. The tubular column is arranged along the axis of the tubular column. Compared with the prior art, the visible trephine structure has the advantages that the visible trephine structure can be used for rotary cutting conveniently, and endoscopic observation is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, specifically point to a visual ring saw structure. BACKGROUND

[0002] Intervertebral fusion is a common surgical procedure for treating lumbar disc herniation, and the fusion effect of the patient's vertebral body and the reconstruction of spinal stability are important factors affecting the surgical effect. With the improvement of technology, the indications for treating lumbar degenerative diseases under the transforaminal endoscope are becoming more and more extensive. This operation mainly uses a ring saw to remove the superior articular process to achieve the purpose of treating patients. However, the current ring saw is easy to cause damage to the dura mater and nerve root when removing the articular process, greatly increasing the difficulty of the operation for doctors. SUMMARY

[0003] (I) Problems to be solved

[0004] The technical problem to be solved by the utility model 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 solutions

[0006] To solve the above technical problems, the utility model provides a technical scheme of a visual ring saw structure, which comprises a pipe column, the pipe column is a hollow pipe body, one end of the pipe column is provided with a sawtooth along the circumferential direction thereof, the other end of the pipe column is sleeved with a handle part, the pipe column end part penetrates through the outer wall of the handle part and is arranged flush with the outer wall, the handle part is arc-shaped in cross section, and the pipe column is arranged along the axial core line thereof.

[0007] As an improvement, the edges of the handle part are uniformly recessed with four groups of hand grooves along the circumference thereof, and the hand groove walls are chamfered.

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

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

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

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

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

[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 utility model discloses compared with prior art has the advantages that: in the application, the hollow pipe body is convenient for cooperation endoscope uses, the sawtooth of circular ring is used to cut and remove the rotating handle of tissue, a plurality of hand grooves are recessed on the handle, and the user holds the instrument at any angle, and the application provides a plurality of specification designs for different use needs, and different use needs are met. BRIEF DESCRIPTION OF DRAWINGS

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

[0017] Fig. 2 It is a structure schematic diagram of a second view angle of a visible ring saw structure.

[0018] Fig. 3 It is a structure schematic diagram of a cross section view of a visible ring saw structure.

[0019] As shown in the figure: 1, the tube column; 2, sawtooth; 3, handle; 4, hand groove. DETAILED DESCRIPTION

[0020] The specific embodiments of the utility model will be further described below in combination with the drawings. Wherein the same parts are indicated by the same reference signs.

[0021] It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "in" and "out" refer to the directions towards or away from the geometric center of a particular component.

[0022] It should be noted that when an element is referred to as "fixed to" another element, it can be directly on the other element or there can be a centering element, and when an element is referred to as "connected to" another element, it can be directly connected to the other element or there can be a centering element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0024] In order to make the content of the utility model more easily be clearly understood, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment.

[0025] Please refer to the drawings Figs. 1-3 A visual trephine structure, comprising a pipe column 1, the pipe column 1 is hollow pipe body, one end of the pipe column 1 is provided with a sawtooth 2 along the circumferential direction thereof.

[0026] In one embodiment, in order to facilitate the control of rotation, the other end of the pipe column is sleeved with a handle part 3, the end of the pipe column 1 penetrates the outer wall of the handle part 3 and is flush with the outer wall thereof, and in order to facilitate the operation of penetrating into the endoscope, the handle part 3 is arc-shaped in cross section, facilitating the insertion of the hollow pipe column 1 into the endoscope.

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

[0028] The edge of the handle part 3 is uniformly concave along the circumference thereof and is provided with four groups of hand grooves 4, and the walls of the hand grooves 4 are chamfered, facilitating the holding and use.

[0029] In one embodiment:

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

[0031] In one embodiment:

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

[0033] In one embodiment:

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

[0035] In one embodiment:

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

[0037] In one embodiment:

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

[0039] In one embodiment:

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

[0041] The utility model discloses in the specific implementation, endoscope inserts through hollow pipe body, when needing to cut off operation use, can pass through endoscope and look at the working environment of blade edge, through the hand groove rotation handle part, through handle part control pipe post 1's rotation, to cut off corresponding area through sawtooth 2, multiple specification size's setting satisfy different use needs.

[0042] The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, which will not be described in detail here. The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0043] The above describes the utility model and its implementation mode, and this description is not restrictive, and the embodiment shown in the drawings is only one of the embodiments of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the creative purpose of the utility model, similar structural modes and embodiments can be designed without creativity, which should belong to the protection scope of the utility model.

Claims

1. A visual trephine structure comprising a tube column (1), characterized in that: The pipe column (1) is a hollow pipe body, one end of the pipe column (1) is provided with a sawtooth (2) along the circumferential direction thereof, the other end is sleeved with a handle part (3), the end of the pipe column (1) penetrates through the outer wall of the handle part (3) and is flush with the outer wall, the handle part (3) is arc-shaped in cross section, and the pipe column (1) is arranged along the axial core line thereof.

2. A visible ring saw structure according to claim 1, characterized in that: The edges of the handle part (3) are uniformly concave and provided with four groups of hand grooves (4) along the circumferences thereof, and the walls of the hand grooves (4) are all chamfered.

3. A visible ring saw structure according to claim 1, characterized in that: The length of the pipe column (1) is 175mm, the outer diameter of the pipe column (1) is 7.5mm, and the inner diameter is 6.5mm.

4. The visible ring saw structure of claim 1, wherein: The length of the pipe column (1) is 212mm, the outer diameter of the pipe column (1) is 7.5mm, and the inner diameter is 6.5mm.

5. A visible ring saw structure according to claim 1, wherein: The length of the pipe column (1) is 129mm, the outer diameter of the pipe column (1) is 7.5mm, and the inner diameter is 6.5mm.

6. A visible ring saw structure according to claim 1, characterized in that: The length of the pipe column (1) is 175mm, the outer diameter of the pipe column (1) is 8.5mm, and the inner diameter is 7.5mm.

7. A visible ring saw structure according to claim 1, wherein: The length of the pipe column (1) is 154mm, the outer diameter of the pipe column (1) is 7.5mm, and the inner diameter is 6.5mm.

8. The visible ring saw structure of claim 1, wherein: The length of the pipe column (1) is 124mm, the outer diameter of the pipe column (1) is 7.0mm, and the inner diameter is 6.0mm.

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