CN213047494U

CN213047494U - Special broken bone former of backbone integration

Info

Publication number: CN213047494U
Application number: CN202021247491.7U
Authority: CN
Inventors: 许祯祯
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-04-27
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a special bone-crushing former for spinal fusion, which belongs to the field of medical apparatus and instruments, and comprises a lower fixing base, an upper pressure handle and a bone-crushing device, wherein the end parts of the upper pressure handle and the lower fixing base are hinged; the bone crushing device comprises a section cutting blade for manufacturing bone strips and a bone grain pressing blade for manufacturing bone grains; the section cutting blade comprises a lower cutting blade and an upper cutting blade, the cutting edges of the lower cutting blade and the upper cutting blade are attached, the lower cutting blade is fixedly arranged on the lower fixing base, and the upper cutting blade is fixedly arranged on the upper pressure handle; the bone particle pressing blade comprises a lower stress column and an upper pressure column, the upper pressure column is fixedly arranged on the upper pressure handle, the lower stress column is fixedly arranged on the lower fixing base, and the positions of the lower stress column and the upper pressure column are corresponding. The utility model provides a bone chopper has the advantage that can cut into the bone strip with the bone and cut into the bone granule with the bone strip.

Description

Special broken bone former of backbone integration

Technical Field

The utility model belongs to the field of medical equipment, specifically be a special broken bone former of backbone integration.

Background

As the name suggests, the medical bone crusher cuts bones into small particle bone fragments, the particle size meets the use requirement, the bone fragments are mainly used for fillers between bones in the operation, and the bone fragments are needed in the currently known common spine fusion operation. With the aging population, the incidence of lumbar spinal stenosis and the like is higher and higher. "internal fixation-spinal decompression-spinal fusion" remains the most common surgical procedure for such procedures. The spine autologous bone grafting fusion provides permanent stability, and the key technology is to take out bone fragments obtained during decompression of a vertebral canal or take out autologous iliac bones, cut the bone fragments into bone strips or bone grains with proper sizes, transplant the bone strips or bone grains between adjacent vertebral bodies, realize bony connection and achieve the purpose of permanent stability. So as to achieve the aims of curing and relieving the patients.

However, in the current domestic operation, the bone is mainly broken by using the bone scissors by an operating doctor or an apparatus nurse, and the bone fragments taken down are bitten into bone grains or bone strips with proper sizes by the bone scissors, but the method has low efficiency, and the bone grains are uneven in size, which affects the bone healing, even can cause secondary damage caused by sharp edges of the bone grains, thereby affecting the operation effect. Aiming at solving the problems, the special broken bone former for spinal fusion is designed, which can improve the working efficiency, reduce the working strength and avoid the splashing of bone particles.

SUMMERY OF THE UTILITY MODEL

The utility model provides a special bone chip former of backbone integration, this bone chip have can cut into the bone strip with the bone and cut into the advantage of bone granule with the bone strip.

In order to achieve the above object, the utility model provides a following technical scheme:

a special broken bone former for spinal fusion comprises a lower fixing base, an upper pressure handle and a broken bone device, wherein the upper pressure handle is hinged with the end part of the lower fixing base; the bone crushing device comprises a section cutting blade for manufacturing bone strips and a bone grain pressing blade for manufacturing bone grains; the section cutting blade comprises a lower cutting blade and an upper cutting blade, the cutting edges of the lower cutting blade and the upper cutting blade are attached, the lower cutting blade is fixedly arranged on the lower fixing base, and the upper cutting blade is fixedly arranged on the upper pressure handle; the bone particle pressing blade comprises a lower stress column and an upper pressure column, the upper pressure column is fixedly arranged on the upper pressure handle, the lower stress column is fixedly arranged on the lower fixing base, and the positions of the lower stress column and the upper pressure column are corresponding.

Preferably, the upper pressure handle comprises a first handle part and a second handle part which are integrally formed, the first handle part and the second handle part are arranged at an included angle of 15-20 degrees, and the section cutting blade and the bone particle pressing blade are both arranged on the first handle part.

Preferably, the bone crusher further comprises a rotating shaft, a fixing piece is arranged at the upper end of the lower fixing base, and one end, back to the second handle portion, of the first handle portion is hinged to the fixing piece through the rotating shaft.

Preferably, the upper end of the lower fixing base is provided with two baffles, and the two baffles are respectively arranged on two sides of the bone crushing device.

Preferably, one end of the lower stress column, which is back to the lower fixing base, is provided with a bone particle groove, and correspondingly, one end of the upper compression column, which is back to the upper compression handle, is provided with a broken bone convex part matched with the bone particle groove.

Preferably, the notch of the bone particle groove is provided with a blade part.

Preferably, unable adjustment base's side is equipped with the holding tank that is used for accommodating the bone grain down, the holding tank sets and holds the box, unable adjustment base's upper end is equipped with the through-hole that supplies the bone grain to drop to hold the box down, through-hole and holding tank link up mutually.

Preferably, the through holes are arranged between the adjacent lower stress columns.

Preferably, the outer end of the accommodating box is provided with a force application handle for applying force by a user.

Preferably, the upper end of the lower fixing base is provided with a fine file part for filing out the surface cartilage and soft tissue.

The utility model has the advantages that:

the utility model discloses in, the user can place the bone of treating cutting up at the section cutter piece, through pushing down and going up the pressure handle with unable adjustment base articulated down to make down cutter piece and last cutter piece cut off into the bone strip with the bone, the bone strip is pressed into the broken bone granule by lower stress column and last compression leg again, can satisfy the demand of operation material. By using the bone crusher, the preparation of the bone crushing particles can be realized with higher efficiency.

Drawings

FIG. 1 is a schematic structural view of a special bone-crushing shaper for spinal fusion in this embodiment;

fig. 2 is a schematic structural view (front view) of a special broken bone shaper for spinal fusion in the present embodiment.

In the figure: 1. the bone fracture plate comprises a lower fixing base, 12, a baffle, 13, a lower stress column, 130, a bone particle groove, 14, a lower cutting blade, 15, a fixing piece, 16, a rotating shaft, 17, an accommodating box, 170, a force application handle, 18, a fine file part, 21, a first handle part, 22, a second handle part, 24, an upper cutting blade, 25, an upper pressing column, 250 and a bone fracture convex part.

Detailed Description

The embodiment provides a technical scheme:

as shown in fig. 1 and 2, a special bone-crushing shaper for spinal fusion comprises a lower fixing base 1, an upper pressure handle and a bone-crushing device, wherein the upper pressure handle is hinged with the end part of the lower fixing base 1; the bone crushing device comprises a section cutting blade for manufacturing bone strips and a bone grain pressing blade for manufacturing bone grains; the section cutting blade comprises a lower cutting blade 14 and an upper cutting blade 24, the cutting edges of the lower cutting blade 14 and the upper cutting blade 24 are attached, the lower cutting blade 14 is fixedly arranged on the lower fixing base 1, and the upper cutting blade 24 is fixedly arranged on the upper pressure handle; the bone particle pressing blade comprises a lower stress column 13 and an upper pressure column 25, the upper pressure column 25 is fixedly arranged on the upper pressure handle, the lower stress column 13 is fixedly arranged on the lower fixing base 1, and the positions of the lower stress column 13 and the upper pressure column 25 are corresponding.

As shown in figure 1, the upper pressure handle comprises a first handle part 21 and a second handle part 22 which are integrally formed, the first handle part 21 and the second handle part 22 are arranged at an included angle of 15-20 degrees, and the section cutting blade and the bone particle pressing blade are both arranged on the first handle part 21. The first handle portion 21 and the second handle portion 22 are disposed at an included angle to facilitate the application of force by the user.

In this embodiment, the bone crusher further comprises a rotating shaft 16, the upper end of the lower fixing base 1 is provided with a fixing plate 15, and the end of the first handle portion 21 facing away from the second handle portion 22 is hinged to the fixing plate 15 through the rotating shaft 16.

As shown in fig. 1, the upper end of the lower fixing base 1 is provided with two baffles 12, and the two baffles 12 are respectively arranged at two sides of the bone crushing device. The baffle plate 12 is provided to prevent the broken bone particles from splashing out during the process of breaking the bone, which is not beneficial to cleanness and sanitation, and also can prevent the splashed bone particles from splashing to the skin of the user.

As shown in fig. 1, one end of the lower force-bearing column 13 facing away from the lower fixing base 1 is provided with a bone particle groove 130, and correspondingly, one end of the upper pressure column 25 facing away from the upper pressure handle is provided with a bone-broken convex part 250 matched with the bone particle groove 130. The compression of the bone strip into bone granules is achieved by the cooperation between the fractured bone projections 250 and the bone granule grooves 130.

In this embodiment, the notch of the bone particle groove 130 is provided with a cutting edge portion. The knife edge portion can be used for cutting bone strips into bone particles.

As shown in fig. 1 and 2, in order to collect the cut bone particles, the side end of the lower fixing base 1 is provided with a holding tank for holding the bone particles, the holding tank is provided with a holding box 17, the upper end of the lower fixing base 1 is provided with a through hole for dropping the bone particles to hold the holding box 17, and the through hole and the holding tank are communicated with each other. After the section is cut, the user can take out the accommodating box 17, and all broken bone particles can be collected.

As shown in fig. 2, the through-holes are provided between the adjacent lower force-receiving columns 13.

In order to facilitate the user's pulling out of the housing box 17, the outer end of the housing box 17 is provided with a force application handle 170 for the user to apply force.

In this embodiment, the upper end of the lower fixing base 1 is provided with a fine file portion 18 for filing out the surface cartilage and soft tissue.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The special broken bone forming device for spinal fusion is characterized by comprising a lower fixing base (1), an upper pressure handle and a broken bone device, wherein the upper pressure handle is hinged with the end part of the lower fixing base (1);

the bone crushing device comprises a section cutting blade for manufacturing bone strips and a bone grain pressing blade for manufacturing bone grains;

the section cutting blade comprises a lower cutting blade (14) and an upper cutting blade (24), the cutting edges of the lower cutting blade (14) and the upper cutting blade (24) are attached, the lower cutting blade (14) is fixedly arranged on the lower fixing base (1), and the upper cutting blade (24) is fixedly arranged on the upper pressure handle;

the bone particle pressing blade comprises a lower stress column (13) and an upper pressure column (25), the upper pressure column (25) is fixedly arranged on the upper pressure handle, the lower stress column (13) is fixedly arranged on the lower fixing base (1), and the positions of the lower stress column (13) and the upper pressure column (25) are corresponding to each other.

2. The special broken bone shaper for spinal fusion according to claim 1, wherein the upper pressure handle comprises a first handle part (21) and a second handle part (22) which are integrally formed, the first handle part (21) and the second handle part (22) are arranged at an included angle of 15-20 degrees, and the segmental cutting blade and the bone granule pressing blade are both arranged on the first handle part (21).

3. The special bone-crushing shaper for spinal fusion according to claim 2, characterized in that it further comprises a rotating shaft (16), the upper end of the lower fixing base (1) is provided with a fixing plate (15), and the end of the first handle part (21) facing away from the second handle part (22) is hinged with the fixing plate (15) through the rotating shaft (16).

4. The special broken bone shaper for spinal fusion according to claim 2, wherein the upper end of the lower fixing base (1) is provided with two baffles (12), and the two baffles (12) are respectively arranged at two sides of the broken bone device.

5. The special broken bone shaper for spinal fusion according to claim 1, characterized in that the end of the lower force-bearing column (13) facing away from the lower fixation base (1) is provided with a bone particle groove (130), and correspondingly, the end of the upper pressure column (25) facing away from the upper pressure handle is provided with a broken bone protrusion (250) adapted to the bone particle groove (130).

6. The special crushed bone forming device for spinal fusion according to claim 5, wherein the notch of the bone particle groove (130) is provided with a knife edge part.

7. The special broken bone shaper for spinal fusion according to claim 5, characterized in that the side end of the lower fixing base (1) is provided with a receiving groove for receiving bone particles, the receiving groove is provided with a receiving box (17), the upper end of the lower fixing base (1) is provided with a through hole for dropping the bone particles into the receiving box (17), and the through hole and the receiving groove are communicated.

8. The special crushed bone shaper for spinal fusion according to claim 5, wherein the through hole is arranged between the adjacent lower stress columns (13).

9. The special broken bone shaper for spinal fusion according to claim 5, characterized in that the outer end of the containing box (17) is provided with a force applying handle (170) for applying force by a user.

10. The special fragmented bone shaper for spinal fusion according to claim 1, characterized in that the upper end of the lower fixation base (1) is provided with a fine file portion (18) for filing out the superficial cartilage and soft tissue.