CN205459005U

CN205459005U - Bone cement injection syringe

Info

Publication number: CN205459005U
Application number: CN201620022058.0U
Authority: CN
Inventors: 薛绍刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-11
Filing date: 2016-01-11
Publication date: 2016-08-17
Anticipated expiration: 2026-01-11

Abstract

The utility model relates to a bone cement injection syringe, it includes one and has the urceolus that cuts open the groove, the injection unit in the urceolus is located in an activity, should inject the unit and include an inner tube and an outer tube, and this inner tube has a first well dead zone, and have dead zone in the second between this inner tube and the outer tube to it is arranged in the pipe that cuts open the inslot and feed through the second dead zone to be equipped with one on this outer tube, and an activity is located in first in the dead zone and is supported to lean on and pushes away the unit in supporting of urceolus bottom. Borrow this, can be with bone cement filled in first in the dead zone to pulling injection unit makes to support and pushes away in the unit gets into surgery patient's skeleton with the injection of bone cement, the qieyu utilize air compressor machine cooperation pipe when injecting into in the lump and with the watery blood in the skeleton and air from the suction of second dead zone, when watery blood with the air during by the suction, then the while make in bone cement is sucked the skeleton because of the pressure differential, the utility model discloses consequently, structural design is simple, the processing ease is just laborsaving to reach the efficiency of quick injection.

Description

Bone cement injector

Technical field

This utility model is related to a kind of bone cement injector, espespecially can be as bone cement Injection and the bone cement injector that uses.

Background technology

It is multinomial that bone cement is usually used in artificial knee joint, hip replacement and vertebra vertebral plasty etc. Bone surgery, and the operation of this vertebra vertebral plasty is widely used in osteoporosis and draws Send out the deformation of vertebra compression fracture, or the skeleton caused because of other metastatic tumor of bone breaks Going bad and pain, therefore bone cement is when injection, it is necessary to coordinate the use of infusion appliance, Smoothly bone cement can be injected in the skeleton of patient with operation.

And current, though there is " the bone cement injection of novel No. M421803 of TaiWan, China The structure of device ", " the bone cement injecting propeller set group " of No. M430285 and Each front case patents such as " the auxiliary extrusion units of bone cement injector " of No. M346407 All disclose and bone cement can be injected in the skeleton of patient with operation, but the design of its structure The most complex；Take off before additionally, each front case patent in implement injection time, be with spiral shell Bar coordinates injection, then is pushed in skeleton by bone cement in rotary manner, but due to bone Having blood and slime and air in bone, therefore surgical doctor is in time implementing injection, i.e. because of blood and slime With the confined space that air is present in skeleton, and bigger extrapolability must be imposed just can be suitable Profit injection, causes injection to be difficult to operation and speed is excessively slow, the most not only increase hands Art doctor pressure during operation is carried out, more makes patient with operation have infection or be formed The risk of pulmonary infarction.

Utility model content

Main purpose of the present utility model, is to provide a kind of bone cement injector, its By Cement fixation in the first hollow area, and injecting unit can be pulled to make to push unit Bone cement is injected in the skeleton of patient with operation, and utilizes sky in time injecting simultaneously Press coordinate conduit and by the blood and slime in skeleton and air from the second hollow area sucking-off, when When blood and slime and air are sucked out, then make bone cement be inhaled into skeleton because of pressure differential simultaneously In, the design of this utility model therefore structure is simple, processing ease and laborsaving, and reaches Effect of fast injection.

For reaching above-mentioned purpose, this utility model provides a kind of bone cement injector, its bag Contain: one has the urceolus of profile groove；One is movably arranged at the injecting unit in urceolus, should Injecting unit includes an inner tube with the first hollow area and and sets with preset distance It is placed in the outer tube of inner tube outer rim, makes that there is between this inner tube and this outer tube one second hollow District, and it is provided with a conduit being positioned at profile groove and connection the second hollow area in this outer tube； And in one is movably arranged at the first hollow area and be resisted against urceolus bottom push unit.

In an embodiment of the present utility model, the top of this urceolus is provided with a buffer part.

In an embodiment of the present utility model, the surface of this urceolus is provided with scale area.

In an embodiment of the present utility model, this urceolus and injecting unit are metal material Matter.

In an embodiment of the present utility model, this urceolus and injecting unit are nonmetal Material.

In an embodiment of the present utility model, this urceolus and injecting unit are light-permeable Material.

In an embodiment of the present utility model, this pushes unit and includes an activity and set Push rod and one in the first hollow area is located at push rod one end and is resisted against urceolus bottom Pedestal.

The beneficial effects of the utility model are: bone cement injector of the present utility model, It by Cement fixation in the first hollow area, and can pull injecting unit to make to push list Bone cement is injected in the skeleton of patient with operation by unit, and utilizes in time injecting simultaneously Air compressor machine coordinate conduit and by the blood and slime in skeleton and air from the second hollow area sucking-off, When blood and slime is sucked out with air, then make bone cement be inhaled into bone because of pressure differential simultaneously In bone, the design of this utility model therefore structure is simple, processing ease and laborsaving, and reaches Effect to fast injection.

Accompanying drawing explanation

Fig. 1, is three-dimensional appearance schematic diagram of the present utility model.

Fig. 2, is perspective exploded view of the present utility model.

Fig. 3, is section mode of operation schematic diagram of the present utility model.

[description of reference numerals]

Urceolus 1

Profile groove 11

Buffer part 12

Scale area 13

Injecting unit 2

Inner tube 21

First hollow area 211

Outer tube 22

Second hollow area 221

Conduit 23

Push unit 3

Push rod 31

Pedestal 32

Bone cement 4

Skeleton 5.

Detailed description of the invention

Refer to shown in " Fig. 1, Fig. 2 and Fig. 3 ", solid the most of the present utility model Schematic appearance, perspective exploded view of the present utility model and of the present utility model cut open Face mode of operation schematic diagram.As shown in the figure: this utility model one bone cement injector, It is at least pushed unit 3 by urceolus 1, injecting unit 2 and one and is constituted, and wherein should Urceolus 1 and this injecting unit 2 are metal material, non-metallic material or light-permeable material.

This urceolus 1 above-mentioned has a profile groove 11, and the top of this urceolus 1 is provided with a buffering Portion 12, and the surface of this urceolus 1 is provided with scale area 13.

This injecting unit 2 is movably arranged in urceolus 1, and this injecting unit 2 includes a tool The inner tube 21 and one having the first hollow area 211 is arranged at outside inner tube 21 with suitable distance The outer tube 22 of edge, makes to have between this inner tube 21 and this outer tube 22 one second hollow area 221, and in this outer tube 22 be provided with one be positioned at profile groove 11 and connection the second hollow area The conduit 23 of 221.

This pushes in unit 3 is movably arranged at the first hollow area 211 and is resisted against urceolus 1 Bottom, wherein this pushes unit 3 and includes one and be movably arranged in the first hollow area 211 Push rod 31 and one is located at push rod 31 one end and is resisted against the pedestal 32 of urceolus 1 bottom. In this way, it is combined into a brand-new bone cement injector by above-mentioned technical characteristic.

When this utility model is in time using, bone cement 4 can be filled in the of inner tube 21 In one hollow area 211, and it is connected with conduit 23 with the pipeline (not shown) of air compressor machine, It is intended to note with insert corresponding with one end of injecting unit 2 of buffer part 12 of urceolus 1 the most again Penetrate in the skeleton 5 of bone cement 4, and pull conduit 23 to the direction of pedestal 32, order Injecting unit 2 is moved rearwards by and makes bone cement 4 by push rod 31 start in first One end of dead zone 211 is discharged, and when bone cement 4 one end from the first hollow area 211 During discharge, start air compressor machine the most simultaneously and coordinate conduit 23, by the blood and slime in skeleton 5 With air from the second hollow area 221 sucking-off, when blood and slime is sucked out with air, then make The inside of skeleton 5 produces pressure differential (mean that skeleton 5 is internal and slightly become vacuum shape) with outside, Bone cement 4 is caused to be inhaled in skeleton 5 because pressure differential occurs, therefore operation bone water The injection of mud 4 is relatively easy and laborsaving.

During additionally, carry out above-mentioned injection process in operation, on available urceolus 1 Scale area 13 and control the consumption of bone cement 4 injection, to avoid injection consumption too much Or it is not enough.

In sum, this utility model bone cement injector is efficiently modified existing disappearance, Bone cement can be filled and be located in the first hollow area, and pull injecting unit to make to push unit Bone cement is injected in the skeleton of patient with operation, and utilizes sky in the lump in time injecting Press coordinate conduit and by the blood and slime in skeleton and air from the second hollow area sucking-off, when When blood and slime and air are sucked out, then make bone cement be inhaled into skeleton because of pressure differential simultaneously In, the design of this utility model therefore structure is simple, easy to be operated and laborsaving, and reaches Effect of fast injection, really makes this utility model more progressive, practical and meets operation The demand of doctor.

The above, preferred embodiment the most of the present utility model, when cannot this limit Determining the technical scope that this utility model is implemented, the most all reference this utility model rights are wanted Seek the equivalent modifications and enforcement made with description, all should still belong to this utility model and be contained In the range of lid, in this Chen Ming in the lump.

Claims

1. a bone cement injector, it is characterised in that it includes:

One urceolus, this urceolus has a profile groove；

One injecting unit, it is movably arranged in urceolus, and this injecting unit includes One inner tube with the first hollow area and one is arranged at inner tube outer rim with preset distance Outer tube, make that there is between this inner tube and this outer tube one second hollow area, and in this Outer tube is provided with a conduit being positioned at profile groove and connection the second hollow area；And

One pushes unit, in it is movably arranged at the first hollow area and be resisted against urceolus Bottom.

2. bone cement injector as claimed in claim 1, it is characterised in that: this urceolus Top be provided with a buffer part.

3. bone cement injector as claimed in claim 1, it is characterised in that: this urceolus Surface be provided with scale area.

4. bone cement injector as claimed in claim 1, it is characterised in that: this urceolus It is metal material with injecting unit.

5. bone cement injector as claimed in claim 1, it is characterised in that: this urceolus It is non-metallic material with injecting unit.

6. bone cement injector as claimed in claim 1, it is characterised in that: this urceolus It is light-permeable material with injecting unit.

7. bone cement injector as claimed in claim 1, it is characterised in that: this pushes Unit includes one and is movably arranged at the push rod in the first hollow area and and is located at and pushes away Bar one end and be resisted against the pedestal of urceolus bottom.