CN106955149A - Bone cement injector - Google Patents
Bone cement injector Download PDFInfo
- Publication number
- CN106955149A CN106955149A CN201610015434.8A CN201610015434A CN106955149A CN 106955149 A CN106955149 A CN 106955149A CN 201610015434 A CN201610015434 A CN 201610015434A CN 106955149 A CN106955149 A CN 106955149A
- Authority
- CN
- China
- Prior art keywords
- bone cement
- outer barrel
- bone
- hollow area
- injecting unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
- A61B17/8822—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by means facilitating expulsion of fluid from the introducer, e.g. a screw pump plunger, hydraulic force transmissions, application of vibrations or a vacuum
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
- A61B17/8827—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it with filtering, degassing, venting or pressure relief means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to a kind of bone cement injector, it includes an outer barrel with profile groove；One is movably arranged at the injecting unit in outer barrel, the injecting unit includes an inner tube and an outer tube, and the inner tube has between one first hollow area, and the inner tube and outer tube with one second hollow area, and in the outer tube provided with a conduit for being located in profile groove and the second hollow area of connection；And one be movably arranged in the first hollow area and be resisted against outer barrel bottom push unit.Whereby, can be by Cement fixation in the first hollow area, and pull the injecting unit to make to push unit bone cement is injected into the bone of patient with operation, and coordinate conduit using air compressor machine in the lump when injection and suction out the watery blood in bone and air from the second hollow area, when watery blood and air are sucked out, then bone cement is set to be inhaled into bone because of pressure differential simultaneously, therefore structure design is simple by the present invention, it is easy and laborsaving to operate, and reaches effect of fast injection.
Description
Technical field
The invention relates to a kind of bone cement injector, bone cement can be espespecially used as
The bone cement injector injected and used.
Background technology
It is multinomial that bone cement is usually used in artificial knee, hip replacement and vertebra vertebral plasty etc.
Bone surgery, and the operation of the vertebra vertebral plasty is widely used in osteoporosis and drawn
The deformation of vertebra compression fracture is sent out, or the bone caused by other metastatic tumor of bone is broken
Bad and pain, therefore bone cement is when injection, it is necessary to coordinate the use of injector,
Smoothly bone cement can be injected into the bone of patient with operation.
And it is current, though there is " the bone cement injection of new No. M421803 of TaiWan, China
The construction of device ", " the bone cement injecting propeller set group " of No. M430285 and
Each preceding case patent such as " the auxiliary extrusion unit of bone cement injector " of No. M346407
All disclosing can be injected into bone cement in the bone of patient with operation, but its structure design
It is substantially complex；In addition, before take off each preceding case patent in implement injection when, be with spiral shell
Bar coordinates injection, then bone cement is pushed into bone in rotary manner, but due to bone
There are watery blood and air in bone, therefore surgical doctor is when injection is implemented, i.e., because of watery blood
Be present in the confined space of bone with air, and bigger extrapolability must be imposed just can be suitable
Profit injection, causes injection not easy to operate and speed is excessively slow, so not only increases hand
Pressure of the art doctor during operation is carried out, more makes patient with operation have infection or be formed
The risk of pulmonary embolism.
The content of the invention
The main object of the present invention, is to provide a kind of bone cement injector, and it can be by
Cement fixation pulls the injecting unit to make to push unit by bone in the first hollow area
Cement is injected into the bone of patient with operation, and utilizes air compressor machine simultaneously when injection
Coordinate conduit and suction out the watery blood in bone and air from the second hollow area, work as watery blood
When being sucked out with air, then bone cement is set to be inhaled into bone because of pressure differential simultaneously,
Therefore structure design is simple by the present invention, it is easy and laborsaving to operate, and reaches fast injection
Effect.
For up to above-mentioned purpose, the present invention provides a kind of bone cement injector, and it includes：
One has the outer barrel of profile groove；One is movably arranged at the injecting unit in outer barrel, the injection list
Member include an inner tube with the first hollow area and one be arranged at preset distance in
The outer tube of pipe outer rim, makes have one second hollow area between the inner tube and the outer tube, and
In the outer tube provided with a conduit for being located in profile groove and the second hollow area of connection；And
One be movably arranged in the first hollow area and be resisted against outer barrel bottom push unit.
In one embodiment of the invention, the top of the outer barrel is provided with a buffer part.
In one embodiment of the invention, the surface of the outer barrel is provided with scale area.
In one embodiment of the invention, the outer barrel is metal material with injecting unit.
In one embodiment of the invention, the outer barrel is non-metallic material with injecting unit.
In one embodiment of the invention, the outer barrel is light-permeable material with injecting unit.
In one embodiment of the invention, this, which pushes unit and includes one, is movably arranged at
Push rod and one in one hollow area are located at push rod one end and are resisted against the seat of outer barrel bottom
Body.
The beneficial effects of the invention are as follows：The bone cement injector of the present invention, it can be by bone
Cement is filled in the first hollow area, and pulls the injecting unit to make to push unit by bone water
Mud is injected into the bone of patient with operation, and is matched somebody with somebody simultaneously using air compressor machine when injection
Close conduit and the watery blood in bone and air suctioned out from the second hollow area, when watery blood and
When air is sucked out, then bone cement is set to be inhaled into bone because of pressure differential simultaneously, this
Therefore structure design is simple for invention, it is easy and laborsaving to operate, and reaches fast injection
Effect.
Brief description of the drawings
Fig. 1, is the three-dimensional appearance schematic diagram of the present invention.
Fig. 2, is the perspective exploded view of the present invention.
Fig. 3, is the section mode of operation schematic diagram of the present invention.
【Description of reference numerals】
Outer barrel 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
Bone 5.
Embodiment
Refer to " is respectively the three-dimensional appearance of the present invention shown in Fig. 1, Fig. 2 and Fig. 3 "
The section mode of operation of schematic diagram, the perspective exploded view of the present invention and the present invention shows
It is intended to.As shown in the figure：A kind of bone cement injector of the present invention, its at least by an outer barrel 1,
One injecting unit 2 and one push unit 3 and constituted, wherein the outer barrel 1 and the injecting unit
2 be metal material, non-metallic material or light-permeable material.
The above-mentioned outer barrel 1 has a profile groove 11, and the top of the outer barrel 1 is provided with a buffering
Portion 12, and the surface of the outer barrel 1 is provided with scale area 13.
The injecting unit 2 is movably arranged in outer barrel 1, and the injecting unit 2 includes a tool
The inner tube 21 and one for having the first hollow area 211 is arranged at outside inner tube 21 with suitable distance
The outer tube 22 of edge, makes have one second hollow area between the inner tube 21 and the outer tube 22
221, and be located in the outer tube 22 provided with one in profile groove 11 and the second hollow area of connection
221 conduit 23.
This pushes unit 3 and is movably arranged in the first hollow area 211 and is resisted against outer barrel 1
Bottom, wherein this, which pushes unit 3 and includes one, is movably arranged in the first hollow area 211
Push rod 31 and one is located at the one end of push rod 31 and is resisted against the pedestal 32 of the bottom of outer barrel 1.
In this way, it is combined into a brand-new bone cement injector by above-mentioned technical characteristic.
When bone cement 4 in use, can be filled in the first of inner tube 21 by the present invention
In dead zone 211, and it is connected with the pipeline (not shown) of air compressor machine with conduit 23, and
It is intended to inject with the insertion corresponding with one end of injecting unit 2 of the buffer part 12 of outer barrel 1 again afterwards
In the bone 5 of bone cement 4, and conduit 23, order note are pulled to the direction of pedestal 32
Unit 2 is penetrated to be moved rearwards by and make bone cement 4 hollow to first by the start of push rod 31
One end discharge in area 211, and when bone cement 4 is arranged from one end of the first hollow area 211
When going out, also start air compressor machine simultaneously and coordinate conduit 23, by the watery blood in bone 5 with
Air is suctioned out from the second hollow area 221, when watery blood is sucked out with air, then makes bone
The inside of bone 5 produces pressure differential (meaning inside bone 5 slightly into vacuum shape) with outside,
Bone cement 4 is caused to be inhaled into because there is pressure differential in bone 5, therefore operation bone water
The injection of mud 4 is relatively easy and laborsaving.
In addition, when carrying out above-mentioned injection process in operation, using on outer barrel 1
Scale area 13 and control the consumption of the injection of bone cement 4, to avoid injection consumption excessive
Or it is not enough.
In summary, bone cement injector of the present invention is efficiently modified existing missing, can be by
Bone cement is filled in the first hollow area, and pulls the injecting unit to make to push unit by bone
Cement is injected into the bone of patient with operation, and utilizes air compressor machine in the lump when injection
Coordinate conduit and suction out the watery blood in bone and air from the second hollow area, work as watery blood
When being sucked out with air, then bone cement is set to be inhaled into bone because of pressure differential simultaneously,
Therefore structure design is simple by the present invention, easily operate and laborsaving, and reaches fast injection
Effect, the demand more progressive, practical and that meet surgical doctor of the present invention is made really.
The above, only presently preferred embodiments of the present invention, when cannot this limit this
Invent the technical scope implemented, therefore all reference the claims in the present invention and specification institute
The equivalent modifications of work and implementation, all should still belong to the present invention cover in the range of, in this
Chen Ming in the lump.
Claims (7)
1. a kind of bone cement injector, it is characterised in that it includes：
There is a profile groove on one outer barrel, the outer barrel；
One injecting unit, it is movably arranged in outer barrel, and the injecting unit includes
One has the inner tube of the first hollow area and one is arranged at inner tube outer rim with preset distance
Outer tube, make that there is one second hollow area between the inner tube and the outer tube, and in this
Outer tube is provided with a conduit for being located in profile groove and the second hollow area of connection；And
One pushes unit, and it is movably arranged in the first hollow area and is resisted against outer barrel
Bottom.
2. bone cement injector as claimed in claim 1, it is characterised in that：The outer barrel
Top be provided with a buffer part.
3. bone cement injector as claimed in claim 1, it is characterised in that：The outer barrel
Surface be provided with scale area.
4. bone cement injector as claimed in claim 1, it is characterised in that：The outer barrel
It is metal material with injecting unit.
5. bone cement injector as claimed in claim 1, it is characterised in that：The outer barrel
It is non-metallic material with injecting unit.
6. bone cement injector as claimed in claim 1, it is characterised in that：The outer barrel
It is light-permeable material with injecting unit.
7. bone cement injector as claimed in claim 1, it is characterised in that：This is pushed
Unit includes a push rod being movably arranged in the first hollow area and one located at pushing away
Bar one end and the pedestal for being resisted against outer barrel bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015434.8A CN106955149A (en) | 2016-01-11 | 2016-01-11 | Bone cement injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015434.8A CN106955149A (en) | 2016-01-11 | 2016-01-11 | Bone cement injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106955149A true CN106955149A (en) | 2017-07-18 |
Family
ID=59481356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610015434.8A Pending CN106955149A (en) | 2016-01-11 | 2016-01-11 | Bone cement injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106955149A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108294813A (en) * | 2018-03-21 | 2018-07-20 | 王强 | A kind of disposable drainage type vertebral pedicle puncture external member |
| CN109363762A (en) * | 2018-12-18 | 2019-02-22 | 艾科美医疗器械（深圳）有限公司 | A kind of negative pressure suction type bone cement device for casting and method for filling |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2724724Y (en) * | 2004-09-08 | 2005-09-14 | 张礼国 | Pressing injection device with screwed joint |
| CN1878516A (en) * | 2003-11-11 | 2006-12-13 | 骨支撑股份公司 | Device for providing spongy bone with bone substitute and/or bone reinforcing material, bone substitute and/or bone reinforcing material and method |
| CN102791209A (en) * | 2010-03-09 | 2012-11-21 | 学校法人圣玛丽安娜医科大学 | Bone cement injection puncture needle |
| US20150073422A1 (en) * | 2013-09-12 | 2015-03-12 | DePuy Synthes Products, LLC | Minimally invasive biomaterial injection system |
| CN205459005U (en) * | 2016-01-11 | 2016-08-17 | 薛绍刚 | Bone cement injection syringe |
-
2016
- 2016-01-11 CN CN201610015434.8A patent/CN106955149A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1878516A (en) * | 2003-11-11 | 2006-12-13 | 骨支撑股份公司 | Device for providing spongy bone with bone substitute and/or bone reinforcing material, bone substitute and/or bone reinforcing material and method |
| CN2724724Y (en) * | 2004-09-08 | 2005-09-14 | 张礼国 | Pressing injection device with screwed joint |
| CN102791209A (en) * | 2010-03-09 | 2012-11-21 | 学校法人圣玛丽安娜医科大学 | Bone cement injection puncture needle |
| US20150073422A1 (en) * | 2013-09-12 | 2015-03-12 | DePuy Synthes Products, LLC | Minimally invasive biomaterial injection system |
| CN205459005U (en) * | 2016-01-11 | 2016-08-17 | 薛绍刚 | Bone cement injection syringe |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108294813A (en) * | 2018-03-21 | 2018-07-20 | 王强 | A kind of disposable drainage type vertebral pedicle puncture external member |
| CN109363762A (en) * | 2018-12-18 | 2019-02-22 | 艾科美医疗器械（深圳）有限公司 | A kind of negative pressure suction type bone cement device for casting and method for filling |
| WO2020125605A1 (en) * | 2018-12-18 | 2020-06-25 | 艾科美医疗器械（深圳）有限公司 | Negative pressure suction-type bone cement injection device and injection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102784434B (en) | Bone filler conveying sleeve | |
| US20170296247A1 (en) | Bone cement injection device | |
| CN106955149A (en) | Bone cement injector | |
| CN201768021U (en) | Self-drilling type percutaneous vertebral pedicle oriented bone grafting device | |
| CN104783880A (en) | Vertebral body kyphose forming system | |
| CN205459005U (en) | Bone cement injection syringe | |
| CN105534568A (en) | Apparatus for treating the human or animal body with mechanical strokes | |
| CN202437396U (en) | Mammary gland prosthesis suction unit | |
| CN106137360A (en) | The computer-aided design porous lightweight neck of femur hollow screw printed based on 3D | |
| CN209122412U (en) | A kind of guide type bone cement propeller and combinations thereof | |
| CN207707991U (en) | A kind of gynaecology's Multifunctional curet | |
| CN205073014U (en) | Minimally invasive surgery's bone cement infusion device | |
| CN208625831U (en) | Improve in calcaneus art and resets traction controller | |
| CN206950218U (en) | A kind of bone filler induction system | |
| CN202235490U (en) | Bone planting device | |
| CN204734539U (en) | Bone cement pusher | |
| CN206063233U (en) | Three-in-one endoscope enlarges the bosom drawing device | |
| CN104306032A (en) | Special working channel for minimally invasive visualized operations inside human vertebral bodies | |
| CN105342687B (en) | Bone cement injector for minimally invasive surgery | |
| CN204601222U (en) | Improve the disposable endoscope spray line of jeting effect | |
| CN204364462U (en) | A kind of Cardiological medicines-administering bottle | |
| CN210521081U (en) | Bone cement injector | |
| CN208741125U (en) | A kind of bendable bone cement injector | |
| CN208031264U (en) | A kind of medical bone puncture needle | |
| CN207545133U (en) | For the puncture outfit of thoracoscopic operation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170718 |