CN211914010U

CN211914010U - Autogenous bone transplantation reducing mechanism

Info

Publication number: CN211914010U
Application number: CN202020272747.3U
Authority: CN
Inventors: 王远征; 柳忠兴; 李金龙
Original assignee: Affiliated Hospital of Chifeng University
Current assignee: Affiliated Hospital of Chifeng University
Priority date: 2020-03-07
Filing date: 2020-03-07
Publication date: 2020-11-13
Anticipated expiration: 2030-03-07

Abstract

The utility model provides an autologous bone transplantation reducing mechanism, includes depression bar, depression bar and crushing collecting vessel down, and the depression bar is fixed in one side of smashing the collecting vessel down, goes up the depression bar and articulates in the opposite side of smashing the collecting vessel, goes up the articulated pressing plate that has on the depression bar, and the pressing plate holding is fixed with netted blade disc in smashing the collecting vessel, and netted blade disc will smash the collecting vessel and divide into crushing chamber and collection chamber, smashes the detachable collecting disc that is fixed with in bottom of collecting vessel. The reticular cutter head is distributed with a plurality of crushing holes, the bottom surface of the pressing plate is fixed with a plurality of pressing bulges matched with the crushing holes, and the pressing plate can slide up and down along the crushing collecting barrel under the lifting and pressing of the upper pressure rod. The device passes through the lever principle in order to exert the power of smashing autologous bone, reaches the purpose of more laborsaving, and the smashing of autologous bone is all accomplished in same structure with the collection simultaneously, reduces the use of more components, increases the stability of structure, also can reduce the in-process emergence pollution condition of autologous bone after smashing the collection.

Description

Autogenous bone transplantation reducing mechanism

Technical Field

The utility model relates to the field of medical auxiliary equipment, concretely relates to autogenous bone grafting reducing mechanism.

Background

In the orthopedic surgery, the cartilage tissue of orthopedic patients with spinal column, cervical vertebra, lumbar intervertebral disc and other orthopedic diseases is often crushed into bone cement-like filler to be filled into the pathological change part of the patients, so as to cure the orthopedic diseases. However, in the conventional bone surgery, due to the lack of a corresponding cartilage crushing device, the surgeon often needs to use rongeur to cut the bone into pieces one by one to perform the filling operation of the broken bone and the bone cement, which makes it difficult to ensure that the obtained broken bone powder particles are uniform, and the bone cement filling device is easily blocked due to the overlarge particles, thereby not only reducing the operation efficiency, but also seriously increasing the occurrence probability of medical accidents.

In order to solve the above problems, the utility model with application number 201721061318.6 discloses a cartilage crushing device, which comprises a pressing plate, a function plate, a collecting bin, a reticular blade and a limiting plate, according to the clamp plate from last to constituting by operation portion, guide part and anti-adhesion even arch down in proper order, anti-adhesion even arch evenly distributed is on the terminal surface under the guide part, anti-adhesion even bellied horizontal modeling matches with the mesh of netted blade, the function board presets the chamber by the cartilage, spacing post, spacing step and spacing tooth slot are constituteed, four bights in the top of collecting the storehouse are equipped with the spacing post screens that matches with the spacing post of function board, the bottom position of the spacing tooth slot of function board can be inserted to the extension all around of netted blade, the limiting plate comprises the spacing tooth that evenly arranged on limiting plate base and the base, spacing tooth can insert rather than the spacing tooth slot of matching and make the bottom surface of limiting plate base flush with the upper surface of function board.

However, the above device has the following disadvantages: 1. the device adopts a pressing mode to transmit crushing force, the force for crushing the cartilage is transmitted vertically and downwards, and the aim of saving labor is difficult to achieve by the pressing mode because the cartilage has certain hardness; 2. the device's between function board and the collection storehouse reach spacing purpose through the block relation of spacing post with spacing post screens, and when pressing the crushing cartilage of pressing the pressure board, very easily take place relative rotation between function board and the collection storehouse, lead to spacing inefficacy of spacing post or even the rupture of spacing post, lead to the damage of the device.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, designed an autologous bone transplantation reducing mechanism, the device passes through lever principle in order to exert the power of smashing autologous bone, reaches more laborsaving purpose, and the crushing of autologous bone is all accomplished in same structure with the collection simultaneously, reduces the use of more components, increases the stability of structure, also can reduce the in-process emergence pollution's of autologous bone after smashing the circumstances simultaneously.

In order to achieve the technical effects, the utility model discloses a following technical scheme realizes:

the utility model provides an autologous bone transplantation reducing mechanism, includes depression bar, depression bar and crushing collecting vessel down, and the depression bar is fixed in one side of smashing the collecting vessel down, goes up the depression bar and articulates in the opposite side of smashing the collecting vessel, goes up the articulated pressing plate that has on the depression bar, and the pressing plate holding is fixed with netted blade disc in smashing the collecting vessel, and netted blade disc will smash the collecting vessel and divide into crushing chamber and collection chamber, smashes the detachable collecting disc that is fixed with in bottom of collecting vessel. The mesh cutter head is distributed with a plurality of crushing holes, the bottom surface of the pressing plate is fixed with a plurality of pressing bulges matched with the crushing holes, the length of the pressing bulges is slightly larger than the depth of the crushing holes, and the pressing plate can slide up and down along the crushing collecting barrel under the lifting and pressing of the upper pressure rod.

Wherein, go up the depression bar and be fixed with the connecting plate, be fixed with first articulated seat on smashing the collecting vessel, go up the depression bar and pass through to articulate between connecting plate and the first articulated seat.

The pressing plate comprises a hinged plate and a flat plate, the hinged plate and the flat plate are integrally formed, and a plurality of pressing protrusions are uniformly distributed at the bottom of the flat plate. The hinged plate is provided with a hinged hole, and the pressing plate is hinged with a second hinged seat on the upper pressing rod through the hinged plate.

The net-shaped cutter head consists of a surrounding baffle plate, a longitudinal blade and a transverse blade, wherein a plurality of clamping grooves are formed in the transverse blade, the longitudinal blade is clamped into the clamping grooves of the transverse blade and is fixedly connected to the transverse blade, a plurality of crushing holes are formed between the longitudinal blade and the transverse blade in a separating mode, and a pressing bulge of the pressing plate can be inserted into the crushing holes and performs crushing cutting on the bone separated from the net-shaped cutter head.

Be equipped with the internal thread on the bottom outer wall of smashing the collecting vessel, be equipped with the external screw thread on the inner wall of catch tray, catch tray and the crushing collecting vessel threaded connection conveniently open the catch tray in order to take out the crushing autologous bone in the collecting chamber.

The utility model discloses an upper pressure bar is fixed with anti-skidding handle with the back end of lower pressure bar, and anti-skidding handle can adopt rubber materials to make.

The utility model has the advantages that: the device passes through the lever principle in order to exert the power of smashing autologous bone, reaches the purpose of more laborsaving, and the smashing of autologous bone is all accomplished in same structure with the collection simultaneously, reduces the use of more components, increases the stability of structure, also can reduce the autologous bone simultaneously and take place the condition of polluting at the in-process of smashing the back collection.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view showing the overall construction of an autogenous bone graft crushing apparatus;

FIG. 2 is a schematic view of the pressing plate;

FIG. 3 is a bottom view of the pressing plate of FIG. 2;

FIG. 4 is a schematic structural view of the net-shaped cutter head;

FIG. 5 is a top view of the mesh cutterhead of FIG. 4;

FIG. 6 is a schematic view of the structure of the longitudinal blade and the transverse blade;

FIG. 7 is a sectional view of the pulverization collection vessel.

In the drawings, the components represented by the respective reference numerals are listed below:

1-lower pressure rod, 2-crushing collecting barrel, 3-upper pressure rod, 4-pressing plate, 5-collecting disc, 6-anti-skidding handle, 7-first hinging seat, 8-connecting plate, 9-second hinging seat, 10-net-shaped cutter head, 11-longitudinal blade, 12-transverse blade, 13-crushing hole, 21-barrel, 22-crushing cavity, 23-collecting cavity, 41-hinging plate, 42-flat plate and 43-pressing protrusion.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 7, an autogenous bone grafting crushing device comprises an upper pressure lever 3, a lower pressure lever 1 and a crushing collecting cylinder 2, wherein the lower pressure lever 1 is fixed at one side of the crushing collecting cylinder 2, the upper pressure lever 3 is hinged at the other side of the crushing collecting cylinder 2, a pressing plate 4 is hinged on the upper pressure lever 3, the pressing plate 4 is accommodated in the crushing collecting cylinder 2, a reticular cutter head 10 is fixed in the crushing collecting cylinder 2, the reticular cutter head 10 divides the crushing collecting cylinder 2 into a crushing cavity 22 and a collecting cavity 23, and a collecting disc 5 is detachably fixed at the bottom of the crushing collecting cylinder 2. A plurality of crushing holes 13 are distributed on the reticular cutter head, a plurality of pressing bulges 43 matched with the crushing holes are fixed on the bottom surface of the pressing plate 4, and the pressing plate 4 can slide up and down along the crushing collecting barrel 2 under the lifting and pressing of the upper pressure rod 3. Go up to be fixed with connecting plate 8 on the depression bar 3, be fixed with first articulated seat 7 on smashing the collecting vessel 2, go up the depression bar 3 and articulate through between connecting plate 8 and the first articulated seat 7. The rear sections of the upper pressure rod 3 and the lower pressure rod 1 are fixed with anti-skid handles 6, and the anti-skid handles 6 can be made of rubber materials.

As shown in fig. 2-3, the pressing plate 4 includes a hinge plate 41 and a flat plate 42, the hinge plate 41 and the flat plate 42 are integrally formed, and a plurality of pressing protrusions 43 are uniformly distributed on the bottom of the flat plate 42. The hinge plate 41 is provided with a hinge hole, and the pressing plate 4 is hinged with the second hinge seat 9 on the upper pressure rod 3 through the hinge plate 41.

As shown in fig. 4-6, the net-shaped cutter head 10 is composed of a baffle plate, longitudinal blades 11 and transverse blades 12, a plurality of clamping grooves are formed on the transverse blades 12, the longitudinal blades 11 are clamped into the clamping grooves of the transverse blades 12 and are fixedly connected to the transverse blades 12, a plurality of crushing holes 13 are formed between the longitudinal blades 11 and the transverse blades 12, and the pressing protrusions 43 of the pressing plate 4 can be inserted into the crushing holes and can form crushing cutting on the body of the net-shaped cutter head 10.

Be equipped with the internal thread on the bottom outer wall of smashing collecting vessel 2, be equipped with the external screw thread on the inner wall of catch tray 5, catch

tray

5 and 2 threaded connection of smashing collecting vessel conveniently open the catch tray in order to take out the crushing autologous bone in the collecting chamber.

One specific application of the device is as follows: gripping the lower pressure rod 1 and lifting the upper pressure rod 3 upwards to pull the pressing plate 4 out of the crushing and collecting cylinder 2, then putting the autogenous bone to be crushed into a crusher of the crushing and collecting cylinder 2, and then horizontally placing the pressing plate 4 into the crushing and collecting cylinder 2; the lower pressure rod 1 is held, the upper pressure rod 3 is pressed downwards, the upper pressure rod 3 presses the press plate 4 downwards through the second hinged seat 9, the press plate 4 gradually extrudes autologous bones, the autologous bones enter the crushing holes 13 under the cutting action of the net-shaped cutter head 10, in the continuous pressing process of the press plate 4, the press protrusions 43 of the press plate 4 are inserted into the crushing holes 13 one by one, the autologous bones crushed in the crushing holes 13 are cut up and extruded into the collection cavity 23 from the crushing holes 13, and the crushed autologous bones fall into the collection cavity 23; the comminuted autologous bone can then be removed by twisting the lower collection plate 5. Because this device adopts lever principle to press and smash, can be more laborsaving and smash the bigger autologous bone of hardness.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an autologous bone transplantation reducing mechanism, a serial communication port, including last depression bar, depression bar and crushing cylinder down, the depression bar is fixed in the one side of smashing the cylinder down, it articulates in the opposite side of smashing the cylinder to go up the depression bar, it has the press plate to go up to articulate on the depression bar, press the press plate holding in smashing the cylinder, be fixed with netted blade disc in smashing the cylinder, netted blade disc will smash the cylinder and divide into crushing chamber and collection chamber, the detachable collection dish that is fixed with in the bottom of smashing the cylinder, it has a plurality of crushing holes to distribute on the netted blade disc, be fixed with a plurality of and the arch of pressing that smashes the pore phase-match on the bottom surface of press plate, press bellied length and be not less than the degree of depth in crushing hole, the press plate can follow and smas.

2. The autogenous bone graft crushing device as claimed in claim 1, wherein the upper pressure bar is fixed with a connecting plate, the crushing collecting cylinder is fixed with a first hinge seat, and the upper pressure bar is hinged with the first hinge seat through the connecting plate.

3. The autogenous bone graft crushing device as claimed in claim 1, wherein the pressing plate comprises a hinged plate and a flat plate, the hinged plate and the flat plate are integrally formed, the bottom of the flat plate is uniformly provided with a plurality of pressing protrusions, the hinged plate is provided with hinge holes, and the pressing plate is hinged with the second hinge seat on the upper pressing rod through the hinged plate.

4. The autogenous bone graft crushing device as claimed in claim 1, wherein the mesh-like cutter head is composed of a surrounding baffle plate, a longitudinal blade and a transverse blade, the transverse blade is provided with a plurality of slots, the longitudinal blade is clamped into the slots of the transverse blade and is fixed on the transverse blade, a plurality of crushing holes are separated between the longitudinal blade and the transverse blade, and the pressing protrusion of the pressing plate can be inserted into the crushing holes and can form crushing cutting to the autogenous bone placed on the mesh-like cutter head.

5. The autogenous bone grafting comminution device of claim 1, wherein the bottom outer wall of the comminution collection cylinder is provided with internal threads, the inner wall of the collection tray is provided with external threads, and the collection tray is in threaded connection with the comminution collection cylinder to facilitate opening of the collection tray for removal of comminuted autogenous bone from the collection chamber.

6. The autogenous bone graft crushing device as claimed in any one of claims 1 to 5, wherein the rear sections of the upper pressure bar and the lower pressure bar are fixed with anti-slip handles, and the anti-slip handles can be made of rubber materials.