CN210095842U

CN210095842U - Trapezoidal spine osteotome for orthopedics clinic

Info

Publication number: CN210095842U
Application number: CN201920469014.6U
Authority: CN
Inventors: 刘志勇; 李伟; 刘冰洋; 岑晓霞; 温兴铸; 裘年存; 张伟; 查斯洛; 李冬
Original assignee: Shanghai Changzheng Hospital
Current assignee: Shanghai Changzheng Hospital
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2020-02-21
Anticipated expiration: 2029-04-08

Abstract

The utility model discloses a trapezoidal backbone osteotome for orthopedics is clinical, including last hammer block, shock attenuation bullet piece, chisel fore-stock, turning block, chisel rear column, chisel head, spliced pole, oblique cutting piece, square cutting piece and adjust knob. The utility model has the advantages that: shock attenuation bullet piece reduces the vibrations that the osteotome caused bone tissue in the use, prevent simultaneously to exert too violently to cause the damage of chisel head, the turning block is inside to be elastic element, and it all is the rotation with chisel back post and spliced pole and is connected, reduce the vibrations that the turning block received, prolong its life, and convenient the regulation, the piece of cutting off is 30 contained angles with the square piece and is connected, and it is rigid connection with the square piece, guarantee the sharpness of osteotome and the smoothness of trapezoidal face, and guarantee the steadiness of chisel head front end, adjust knob passes through screw swivelling joint at the turning block lateral surface, and be equipped with protruding line on it, ensure the convenience of chisel head angle regulation, and prevent to skid at the in-process of regulation, guarantee the accuracy nature of chisel head angle adjustment.

Description

Trapezoidal spine osteotome for orthopedics clinic

Technical Field

The utility model relates to a backbone osteotome specifically is a trapezoidal backbone osteotome for orthopedics is clinical, belongs to medical instrument technical field.

Background

The osteotome is the operation medical instrument that uses commonly in the long clinical practice of orthopedics, and the osteotome that uses clinically at present designs as an organic whole usually, and chisel body and chisel head integrated into one piece use chisel head to cut bone tissue in the middle of using, because there is certain skew in bone tissue's position, if the osteotome is crooked the effect can be better, and current osteotome mainly is the integral type design, and mainly becomes the linear type, uses inconveniently under some circumstances.

At present, although the existing osteotome is widely applied, the trapezoidal spinal osteotome for clinical orthopedics still has some problems, firstly, the existing trapezoidal spinal osteotome for clinical orthopedics is not perpendicular to the bone tissue, the use effect is limited, sometimes the expected effect cannot be achieved, secondly, the existing trapezoidal spinal osteotome for clinical orthopedics is easy to damage the chisel head, the maintenance is not convenient, and the leak exists in the internal sealing property, thirdly, the existing trapezoidal spinal osteotome for clinical orthopedics is exposed in the air for a long time, is easy to be dirty, influences the quality of the osteotome, can generate a large amount of vibration when in use, and causes certain harm to the bone tissue.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a trapezoidal spine osteotome for orthopedics clinical in order to solve the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a trapezoidal spine osteotome for orthopedics clinic comprises an upper hammer plate, a shock absorption elastic block, a chisel front column, a rotating block, a chisel rear column, a chisel head, a connecting column, a beveling block, a square cutting block and an adjusting knob; the upper hammer plate is fixed above the shock-absorbing bullet block in a welding mode, the shock-absorbing bullet block is in a cylindrical cavity structure and is connected between the upper hammer plate and a chisel front column, the chisel front column is in a trapezoidal structure and is fixed at the upper end of a connecting column in a welding mode, the rotating block is in a cylindrical rotating structure and is arranged between the chisel rear column and the connecting column, the chisel rear column is rotatably connected to the rotating block, the chisel head is in a trapezoidal structure and is mounted on the chisel rear column, the upper end of the connecting column is welded to the lower surface of the chisel front column, the lower end of the connecting column is connected to the upper portion of the rotating block, the oblique cutting block is in the front end of the chisel head in an oblique trapezoidal shape, the square cutting block is in a rectangular cross section and is located below the oblique cutting block.

Preferably, in order to reduce the vibration of the osteotome to the bone tissue during use and simultaneously prevent the damage of the chisel head caused by over-force, the shock absorbing elastic block is externally made of stainless steel, and the inner side of the shock absorbing elastic block is filled with a buffering shock absorbing sponge.

Preferably, in order to reduce the vibrations that the turning block received, prolong its life, and convenient the regulation, the inside elastic element that is of turning block, and it all is the rotation with the post after the chisel and spliced pole and is connected.

Preferably, in order to ensure the sharpness and the smoothness of the trapezoidal surface of the osteotome and the stability of the front end of the chisel head, the oblique cutting block and the square cutting block are connected at an included angle of 30 degrees and are rigidly connected.

Preferably, in order to ensure the convenience of chisel head angle regulation, and prevent to skid at the in-process of regulation, guarantee the accuracy nature of chisel head angle adjustment, adjust knob passes through screw swivelling joint at the turning block lateral surface, and is equipped with protruding line on it.

The utility model has the advantages that: the trapezoidal spine osteotome for orthopedics clinic has reasonable design, the shock absorption elastic block is externally made of stainless steel, the inner side of the bone chisel is filled with a buffer and shock absorption sponge, so that the vibration of the bone chisel to bone tissues in the use process is reduced, meanwhile, the damage of the chisel head caused by over-violent force is prevented, the rotating block is internally provided with an elastic element which is rotatably connected with the chisel rear column and the connecting column, the vibration borne by the rotating block is reduced, the service life of the rotating block is prolonged, and is convenient to adjust, the oblique cutting block is connected with the square cutting block at an included angle of 30 degrees and is in rigid connection with the square cutting block, the sharpness of the osteotome and the smoothness of the trapezoidal surface are ensured, and the stability of the front end of the chisel head is ensured, the adjusting knob is rotationally connected with the outer side surface of the rotating block through a screw, and be equipped with protruding line on it, ensure chisel head angle regulation's convenience, and prevent to skid at the in-process of adjusting, guarantee chisel head angle adjustment's accuracy nature.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the chisel head of the present invention.

In the figure: 1. the device comprises an upper hammer plate, 2, a damping elastic block, 3, a chisel front column, 4, a rotating block, 5, a chisel rear column, 6, a chisel head, 7, a connecting column, 8, a beveling block, 9, a square cutting block, 10 and an adjusting knob.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a trapezoidal spine osteotome for orthopedics clinical use includes an upper hammer plate 1, a shock-absorbing elastic block 2, a chisel front column 3, a rotating block 4, a chisel rear column 5, a chisel head 6, a connecting column 7, an oblique cutting block 8, a square cutting block 9 and an adjusting knob 10; the upper hammer plate 1 is fixed above the shock-absorbing bullet block 2 in a welding mode, the shock-absorbing bullet block 2 is in a cylindrical cavity structure and is connected between the upper hammer plate 1 and the chisel front column 3, the chisel front column 3 is in a trapezoidal structure and is fixed at the upper end of the connecting column 7 in a welding mode, the rotating block 4 is in a cylindrical rotating structure and is arranged between the chisel rear column 5 and the connecting column 7, the chisel rear column 5 is rotatably connected onto the rotating block 4, the chisel head 6 is in a trapezoidal structure and is installed on the chisel rear column 5, the upper end of the connecting column 7 is welded on the lower surface of the chisel front column 3, the lower end of the connecting column is connected above the rotating block 4, the inclined cutting block 8 is positioned at the front end of the chisel head 6 and is in an inclined trapezoidal shape, the square cutting block 9 is in a rectangular shape and is positioned below the inclined cutting block 8, and the adjusting knob.

The outer part of the shock absorption elastic block 2 is made of stainless steel, the inner side of the shock absorption elastic block is filled with buffering and shock absorption sponge, so that the shock to bone tissues during the use process of the osteotome is reduced, and at the same time, the damage of the chisel head 6 caused by over-hard force is prevented, the rotating block 4 is internally provided with an elastic element, and the connecting rod is rotationally connected with the chisel rear column 5 and the connecting column 7, so that the vibration of the rotating block 4 is reduced, the service life of the connecting rod is prolonged, and is convenient to adjust, the inclined cutting block 8 and the square cutting block 9 are connected at an included angle of 30 degrees and are in rigid connection with the square cutting block 9, so that the sharpness of the osteotome and the smoothness of the trapezoidal surface are ensured, and the stability of the front end of the chisel head 6 is ensured, the adjusting knob 10 is rotationally connected with the outer side surface of the rotating block 4 through a screw, and be equipped with protruding line on it, ensure the convenience of chisel head 6 angle regulation, and prevent to skid at the in-process of adjusting, guarantee the accuracy nature of 6 angle adjustment of chisel head.

The working principle is as follows: when using this trapezoidal backbone osteotome for orthopedics is clinical, at first disinfect each part earlier, then come rotation regulation knob 10 control turning block 4 to adjust the angle of chisel head 6 according to operating personnel's in service behavior, after adjusting the angle, hammer plate 1 on hammering with special medical hammer hammering, at this moment, shock attenuation bullet piece 2 reduces the vibrations that the osteotome caused bone tissue in the use, prevent simultaneously to exert oneself too violently to cause the damage of chisel head 6, and oblique cutting block 8 then guarantees the sharpness of osteotome and the smoothness of trapezoidal face with square cutting block 9, and guarantees the steadiness of chisel head 6 front end.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A trapezoidal backbone osteotome for orthopedics is clinical which characterized in that: the device comprises an upper hammer plate (1), a damping elastic block (2), a chisel front column (3), a rotating block (4), a chisel rear column (5), a chisel head (6), a connecting column (7), a beveling block (8), a square cutting block (9) and an adjusting knob (10); the upper hammer plate (1) is fixed above the shock-absorbing bullet block (2) in a welding mode, the shock-absorbing bullet block (2) is connected between the upper hammer plate (1) and the chisel front column (3) in a cylindrical cavity structure, the chisel front column (3) is in a trapezoidal structure and is fixed at the upper end of a connecting column (7) in a welding mode, the rotating block (4) is in a cylindrical rotating structure and is arranged between the chisel rear column (5) and the connecting column (7), the chisel rear column (5) is rotatably connected onto the rotating block (4), the chisel head (6) is in a trapezoidal structure and is arranged on the chisel rear column (5), the upper end of the connecting column (7) is welded on the lower surface of the chisel front column (3), the lower end of the connecting column is connected above the rotating block (4), the oblique cutting block (8) is positioned at the front end of the chisel head (6) in an oblique trapezoidal shape, the square cutting block (9) is in a rectangular cross section and is positioned below the oblique cutting block (8), the adjusting knob (10) is rotatably connected to the rotating block (4).

2. The trapezoidal spine osteotome for orthopedics clinic of claim 1, further comprising: the outer part of the shock absorption elastic block (2) is made of stainless steel materials, and the inner side of the shock absorption elastic block is filled with buffering and shock absorption sponge.

3. The trapezoidal spine osteotome for orthopedics clinic of claim 1, further comprising: the rotating block (4) is rotatably connected with the chisel rear column (5) and the connecting column (7).

4. The trapezoidal spine osteotome for orthopedics clinic of claim 1, further comprising: the oblique cutting block (8) is connected with the square cutting block (9) at an included angle of 30 degrees and is rigidly connected with the square cutting block (9).

5. The trapezoidal spine osteotome for orthopedics clinic of claim 1, further comprising: the adjusting knob (10) is connected to the outer side face of the rotating block (4) in a rotating mode through screws, and protruding grains are arranged on the adjusting knob.