CN201303962Y

CN201303962Y - Medical bone crusher

Info

Publication number: CN201303962Y
Application number: CNU2008202042456U
Authority: CN
Inventors: 蔡道章; 王金松
Original assignee: APEX (GUANGDONG) TOOLS AND ORTHOPEDICS Co
Current assignee: APEX (GUANGDONG) TOOLS AND ORTHOPEDICS Co
Priority date: 2008-11-28
Filing date: 2008-11-28
Publication date: 2009-09-09
Anticipated expiration: 2018-11-28

Abstract

Disclosed is a medical bone crusher which comprises a bottom plate (20), a frame (1) of a crusher shell (13) and a cylindrical wheel disc cutter (3); wherein the crusher shell is provided with a horizontal hole; one end surface of the horizontal hole is fixed with a raw bone feeder (2); a cylinder opening of the cylindrical wheel disc cutter is provided with a cylinder cover (6), and the inner cavity of the cylinder is a crushed bone storage; a circular disc of the cylinder bottom is provided with a blanking hole (4) which passes through the disc surface and at least one bone cutter (5) which is provided with tangential blades; the arrangement of the bone cutter leads each circumferential tangent which extends from inside to outside of the circular disc of the cylinder bottom to have at least one point for arranging the blade; the wheel disc cutter can be rotatably supported in the horizontal hole of the crusher shell and face towards the raw bone feeder; the frame is provided with a drive mechanism of the wheel disc cutter; a press push plate (11) is articulated in the raw bone feeder; an articulated shaft (12) is arranged below the horizontal hole of the frame and is perpendicular to the axes of the horizontal hole; and a pressing mechanism is arranged between the upper end of the press push plate and the frame. The bone crusher has small size, light weight, easy manufacturing, low manufacturing cost, convenient use and labor saving.

Description

A kind of medical bone cutter

Technical field

This utility model relates to a kind of medical bone cutter that the bone chopping is used for surgery or orthopaedics packing material.

Background technology

In surgery or the bone surgery, usually need to use packing material, best packing material is people's bone, and difference according to circumstances need be chopped into people's bone carse, medium and small different particulate mass, sheet, powder, with dealing with various requirements.Existing medical bone cutter such as U.S. Pat 6318651 and Swiss Patent 9402781-0 are disclosed, exist such as the big Heavy Weight of volume, and deep effort, manufacturing cost is high and use inadequately weak point easily.

The utility model content

At the deficiencies in the prior art, technical problem to be solved in the utility model, it is little in light weight just to provide a kind of volume, rapid operation, easy to use and medical bone cutter that manufacturing cost is low.

The purpose of this utility model can realize by following technical scheme:

A kind of medical bone cutter is characterized in that: comprise

One frame comprises base plate and engine housing, and engine housing has lateral aperture, and an end face of lateral aperture is fixed with the material bone feeder;

One takes turns dise knife, for cylindric, have the material-dropping hole that passes card on tube garden, the end dish, and is provided with the deep cutter that at least one handle has tangential blade, all has at least any to be provided with blade on disk each tangent to periphery from inside to outside at the bottom of the layout of deep cutter should make tin; Nozzle is provided with cover; Tube inner chamber becomes deep bin;

The described cylindric dise knife of taking turns is bearing in the engine housing lateral aperture pivotally, and the tube end disk end that is provided with deep cutter is towards the material bone feeder; Described frame is provided with cylindric driving mechanism of taking turns dise knife.

Described driving mechanism is a manual type, cylindricly take turns the outer toothed disc of dise knife cylindrical shell by being fixed on, be bearing on framework soleplate two bearing axle seats pinion with the toothed disc engagement, and the crank handle that the axle head of pinion shaft is provided with constitutes.

Described material bone feeder is: be fixed on engine housing one side opening half rectangle conical shell up.

Be hinged with the binder push pedal in the described material bone feeder, jointed shaft is in below the frame lateral aperture and perpendicular to the lateral aperture axis; Be provided with hold-down mechanism between the upper end of binder push pedal and the frame.

On the basis of the above, all right various remodeling of this utility model;

Described engine housing adopts axial split rotation connection clip structure, is provided with the split gear chamber corresponding to the toothed disc of wheel dise knife in the engine housing lateral aperture, and the gear chamber bottom has semicircle breach and exposes the toothed disc gear teeth and pinion; Described toothed disc is installed in the gear chamber pivotally.So can open cavity, make things convenient for the cutter cleaning without dismantling device;

One of them of diaxon bearing links to each other with split type engine housing one bottom portion on the described framework soleplate;

Be hinged with the binder push pedal in the described material bone feeder, jointed shaft is in below the frame lateral aperture and perpendicular to the lateral aperture axis; Be provided with hold-down mechanism between the upper end of binder push pedal and the engine housing.

Described binder push pedal top has the U-shaped breach, the corresponding end that is strained and fixed that has the U-shaped breach that protrudes in the upper end of engine housing, and described hold-down mechanism is the extension spring screw rod that passes frame and binder push pedal U-shaped breach.

The base plate of described frame has hung and buckled C type holding frame, has screw on the C type holding frame lower cross arm and is provided with the clamping screw rod, and the clamping of C type holding frame easy accessibility is firm.

Described deep cutter is distributed on four radiuses, is distributed with four on every radius.

Described deep cutter blade width is less than or equal to 100mm more than or equal to 1mm, and the blade width sum is more than or equal to disk diameter.

Operation principle process: with the hand moving crank handle that is bearing on the frame, driving Handle axis also is that pinion shaft rotates, the semicircle breach of pinion below engine housing and the toothed disc engagement that is fixed on the cylindric cylindrical shell of taking turns dise knife, so just, can like a cork power be sent to cylindric the wheel on the dise knife, by the cylindric rotation of taking turns dise knife, deep cutter blade cutting on the tube chassis is contained in the material bone in the material bone feeder, the deep material that produces by tube at the bottom of the garden dish blanking hole slot of going up design enter in the cylindric cylindrical shell of taking turns dise knife that is added with end cap as the storage compartment, open end cap and can deeply take out use easily.

Beneficial effect: the cylindric dise knife of taking turns that medical bone cutting machine of the present utility model adopts, can can store the deep of cutting-out again by deep head, can also use as driving gearshaft, all have any to be provided with blade on each circumference of disk at the bottom of the deep cutter of tube garden, end dish is arranged and made tin, improve deep efficient; Adopt gear drive, deep safety labor-saving makes this small product size little, and is in light weight, and it is low and easy to use to be easy to manufacturing cost.The design of binder push pedal can use external force to pressurize to material bone, to adjust and to control the cutting pressure between material bone and the deep cutter.

Description of drawings

The set the drawings and specific embodiments are described in further detail this utility model below.

Fig. 1 is the schematic perspective view of embodiment of the present utility model;

Fig. 2 is the cross-sectional schematic of Fig. 1;

Fig. 3 is that the wheel dise knife master of embodiment of the present utility model looks sketch map;

Fig. 4 is that sketch map is looked on the right side of Fig. 3;

Fig. 5 is engine housing-binder push pedal-material bone feeder sketch map of embodiment of the present utility model.

Fig. 6 is the split type engine housing sketch map of embodiment of the present utility model.

Among the figure: the 1-frame, 2-material bone feeder, 3-takes turns dise knife, 4-material-dropping hole, the deep cutter of 5-, 6-cover, 7-toothed disc, 8-pinion, the 9-pinion shaft, 10-crank handle, the push pedal of 11-binder, the 12-jointed shaft, 13-engine housing, 14-gear chamber, 15-gear chamber down gap, 16-extension spring screw arbor assembly, 17-clamping screw rod, the 18-bearing block, 19-C type holding frame, 20-base plate.

The specific embodiment

Shown in Fig. 1～6, medical bone cutting machine specific embodiment of the present utility model, frame 1 comprises base plate 20 and engine housing 13, base plate is provided with the diaxon bearing 18 of pinion shaft 9; Wherein a bearing block links to each other with split type engine housing 13 1 bottom portions, and engine housing 13 has lateral aperture, and an end face in horizontal aperture is fixed with material bone feeder 2;

The one cylindric dise knife 3 of taking turns is arranged, have 4 radially microscler material-dropping holes 4 that pass card on the dish of tube garden, the end, and be provided with 16 deep cuttves 5 with tangential blade, the arrangement of deep cutter 5 on disk can be regular, also can be irregular, the requirement to deep granularity is depended in the width of blade and arrangement, deep cutter blade width is more than or equal to 1mm, be less than or equal to 100mm, at the bottom of should making tin, the layout of deep cutter all have at least any to be provided with blade on disk each circumference from inside to outside, also be the blade width sum more than or equal to disk diameter, the deep cutter 5 of this specific embodiment is distributed on four radiuses, is furnished with four on every radius; Cylindric nozzle of taking turns dise knife 3 is provided with cover 6, and so the cylindrical shell internal cavity can be used as storage compartment's use, and opening end cap can be with deep taking-up; Cylindrical shell is provided with toothed disc 7 outward, as driving cylindric gear wheel of taking turns the gear pair of dise knife 3 rotations.

Engine housing 13 adopts axial split rotation connection clip structure, be provided with split gear chamber 14 in the engine housing lateral aperture corresponding to the toothed disc 7 of wheel dise knife, toothed disc 7 is installed in the gear chamber 14 pivotally, and the gear chamber bottom has the part gear teeth that semicircle breach 15 exposes toothed disc 7.

Pinion 8 has the part gear teeth meshing transferring power that semicircle breach 15 exposes toothed disc 7 with the gear chamber bottom.

Also be provided with cylindric driving mechanism of taking turns dise knife 3 on the frame 1, the driving mechanism of this specific embodiment is a manual type, by be fixed on cylindric take turns the outer canine tooth wheel disc 7 of dise knife, with the pinion 8 of canine tooth wheel disc engagement, and the crank handle 10 that the axle head of pinion shaft 9 is provided with constitutes, pinion shaft 9 is bearing on the diaxon bearing 18 on the framework soleplate 20, pinion 8 be between the diaxon bearing and with fluted disc 7 engagements of exposing gear chamber 14.

Certainly, as long as the lateral aperture supporting width of lengthening frame 1 also can not established detachable gear wheel chamber 14 and toothed disc 7 is fixed on cylindric left end of taking turns dise knife 3, and with pinion 8 engagements that are installed in the pinion shaft left end, equally can transferring power, and also can adopt electronic mode.This is that the professional and technical personnel is easy to expect, all falls in the protection domain of this patent.

Material bone feeder 2 is outer towards wheel dise knife one end for being fixed on engine housing, surrounds lateral aperture port, opening half rectangle conical shell up; Be hinged with binder push pedal 11 in material bone feeder 2, its jointed shaft 12 is in below the frame lateral aperture and perpendicular to the lateral aperture axis; Be provided with hold-down mechanism between the upper end of binder push pedal 11 and the frame 1, its structure is: binder push pedal top has the U-shaped breach, the corresponding end that is strained and fixed that has the U-shaped breach that protrudes in the upper end of engine housing, one extension spring screw arbor assembly 16 passes frame and binder push pedal U-shaped breach, extension spring can produce tightening force, and the rotary screw nut can be regulated tightening force.

Binder push pedal 11 tops have the U-shaped breach, the corresponding end that is strained and fixed that has the U-shaped breach that protrudes in the upper end of frame 1, and described hold-down mechanism is stage clip screw rod 16 assemblies that pass frame and binder push pedal U-shaped breach.

Have hung and buckled C type holding frame at framework soleplate 20, have screw on the C type holding frame lower cross arm and be provided with clamping screw rod 17, the easy accessibility clamping is firm.

Claims

1, a kind of medical bone cutter is characterized in that: comprise

One comprises the frame (1) of base plate (20) and engine housing (13), and engine housing (13) has lateral aperture, and an end face in horizontal aperture is fixed with material bone feeder (2);

The one cylindric dise knife (3) of taking turns, nozzle is provided with cover (6), have the material-dropping hole (4) that passes card on tube garden, the end dish, and be provided with the deep cutter (5) that at least one handle has tangential blade, all have at least any to be provided with blade on each circumference of disk at the bottom of the layout of deep cutter should make tin;

The described dise knife (3) of taking turns is bearing in engine housing (13) lateral aperture pivotally, and tube end disk end is towards material bone feeder (2); Described frame (1) is provided with the driving mechanism of wheel dise knife (3).

2, medical bone cutter according to claim 1, it is characterized in that: described driving mechanism of taking turns dise knife (3) is a manual type, go up pinion (8) with toothed disc (7) engagement by two supporting shaft holders (18) that are fixed on the outer toothed disc (7) of wheel dise knife (3) cylindrical shell, are bearing in frame (1) base plate, and crank handle (10) formation that is provided with of the axle head of pinion shaft (9).

3, medical bone cutter according to claim 2 is characterized in that: described material bone feeder (2) is: be fixed on engine housing one side and surround lateral aperture port, opening half rectangle conical shell up.

4, medical bone cutter according to claim 3 is characterized in that: be hinged with binder push pedal (11) in the described material bone feeder (2), jointed shaft (12) is in below the frame lateral aperture and perpendicular to the lateral aperture axis; Be provided with hold-down mechanism between the upper end of binder push pedal (11) and the frame (1).

5, medical bone cutter according to claim 4, it is characterized in that: described binder push pedal (11) top has the U-shaped breach, the corresponding end that is strained and fixed that has the U-shaped breach that protrudes in the upper end of frame (1), described hold-down mechanism is extension spring screw rod (16) assembly that passes frame and binder push pedal U-shaped breach.

6, medical bone cutter according to claim 5, it is characterized in that: described engine housing adopts axial split rotation connection clip structure, be provided with the split gear chamber corresponding to the toothed disc of wheel dise knife in the engine housing lateral aperture, the gear chamber bottom has semicircle breach and exposes the toothed disc gear teeth; Described toothed disc (7) is installed in the gear chamber (14) pivotally.

7, medical bone cutter according to claim 6 is characterized in that: described framework soleplate (20) has hung and buckled C type holding frame, has screw on the C type holding frame lower cross arm and is provided with clamping screw rod (17).

8, medical bone cutter according to claim 7 is characterized in that: one of them of diaxon bearing (18) links to each other with split type engine housing (13) one bottom portions on the described framework soleplate.

9, medical bone cutter according to claim 8 is characterized in that: described deep cutter (5) is distributed on four radiuses, is distributed with four on every radius.

10, medical bone cutter according to claim 9 is characterized in that: described deep cutter (5) blade width is less than or equal to 100mm more than or equal to 1mm, and the blade width sum is more than or equal to disk diameter.