CN110478016A - It is fixed in a kind of centrum to form device with spring-piece type cone cavity - Google Patents
It is fixed in a kind of centrum to form device with spring-piece type cone cavity Download PDFInfo
- Publication number
- CN110478016A CN110478016A CN201910693593.7A CN201910693593A CN110478016A CN 110478016 A CN110478016 A CN 110478016A CN 201910693593 A CN201910693593 A CN 201910693593A CN 110478016 A CN110478016 A CN 110478016A
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- outer tube
- branch pipe
- pedicle screw
- tube branch
- pipe
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- 239000002639 bone cement Substances 0.000 claims abstract description 39
- 238000009792 diffusion process Methods 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 208000001132 Osteoporosis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7061—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant for stabilising vertebrae or discs by improving the condition of their tissues, e.g. using implanted medication or fluid exchange
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7062—Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7071—Implants for expanding or repairing the vertebral arch or wedged between laminae or pedicles; Tools therefor
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7097—Stabilisers comprising fluid filler in an implant, e.g. balloon; devices for inserting or filling such implants
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7097—Stabilisers comprising fluid filler in an implant, e.g. balloon; devices for inserting or filling such implants
- A61B17/7098—Stabilisers comprising fluid filler in an implant, e.g. balloon; devices for inserting or filling such implants wherein the implant is permeable or has openings, e.g. fenestrated screw
-
- 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
-
- 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
- A61B17/8816—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by the conduit, e.g. tube, along which fluid flows into the body or by conduit connections
-
- 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)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Neurology (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
Device is formed with spring-piece type cone cavity the invention discloses fixed in a kind of centrum, it include: pedicle screw, the axial centre of pedicle screw is provided with centre bore, it is circumferentially arranged in the front end side wall of pedicle screw to have several bone cement diffusion holes being connected with centre bore, an outer tube general pipeline is movably set in centre bore, several outer tube branch pipes are equipped in the front end of outer tube general pipeline, every outer tube branch pipe is inserted into corresponding bone cement diffusion hole, the pipe end of every outer tube branch pipe is flexible elastic pipe end, the elastic pipe end of every outer tube branch pipe is circumferentially divided into several elastic tube valves, activity is inserted with pull rod in outer tube general pipeline, several struts are equipped in the front end of pull rod, every strut of pull rod respectively be inserted into corresponding outer tube branch pipe and mutually fix with the outer end of all elastic pipe valve of corresponding outer tube branch pipe pipe end by activity.The invention has the advantages that can guarantee that bone cement is uniformly distributed in pedicle screw surrounding, the fixed effect to pedicle screw is improved.
Description
Technical field
The present invention relates to column reconstructions to treat auxiliary instrument technical field, and in particular to fixed spring-piece type in a kind of centrum
Cone cavity forms device.
Background technique
Currently, in the dislocation of various unstable fractures, the retrogression of interverbebral disc, spondylolishesis and the ridge for the treatment of Thoracolumbar disk
After column in convex surgical procedure, need that the centrums one or more up and down of affected part are fixed.Pedicle of vertebral arch is generally used at present
The fixed upper hypocentrum of the mode that screw is matched with pitman, it may be assumed that first hammered into respectively in the two sides pedicle of vertebral arch of one centrum of affected part
A piece pedicle screw, and then " ﹀ " the shape distribution at an acute angle of two pedicle screws, another centrum of same treatment again will
Two ipsilateral pedicle screws of two centrums are connected to a fixed with a pitman respectively, and multiple centrums are similarly handled；It is logical
Crossing will be fixed in centrum progress, to reach reset and stable fracture, early stage carries out the purpose of functional training.But when needs are beaten
When the centrum of pedicle screw suffers from osteoporosis, pedicle screw can be loosened, cut out or be exited after squeezing into centrum, lead to centrum
Fixation failure causes the failure of operative treatment.
Summary of the invention
The object of the present invention is to provide fixed elastic slices in a kind of a kind of centrum that can improve pedicle screw fixed effect
Formula cone cavity forms device.
To achieve the above object, present invention employs following technical solutions: fixed empty with spring-piece type cone in a kind of centrum
Chamber forms device, comprising: pedicle screw is provided with centre bore in the axial centre of pedicle screw, in pedicle screw
It is circumferentially arranged in front end side wall to have several bone cement diffusion holes being connected with centre bore, one is movably set in centre bore
Root outer tube general pipeline is provided with several coupled logical outer tube branch pipes in the front end of outer tube general pipeline, and outer tube branch pipe and bone cement expand
It dissipates hole to correspond, every outer tube branch pipe is inserted into corresponding bone cement diffusion hole, and the pipe end of every outer tube branch pipe is with elasticity
Elastic pipe end, the elastic pipe end of every outer tube branch pipe is circumferentially divided into several elastic tube valves, movable in outer tube general pipeline
It is inserted with pull rod, the front end of pull rod is provided with several struts, the strut of pull rod and the outer tube branch pipe of outer tube general pipeline are corresponded, drawn
The corresponding outer tube branch pipe of every strut difference activity insertion of bar is simultaneously outer with all elastic pipe valve of corresponding outer tube branch pipe pipe end
End is mutually fixed, and when the pipe end of each outer tube branch pipe is released corresponding bone cement diffusion hole by outer tube general pipeline, pull rod is made to drive each strut
It corresponds in outer tube branch pipe and moves relatively, each strut will drive in the outer end of all elastic pipe valve of corresponding outer tube branch pipe and move, and make to correspond to
The all elastic pipe valve of outer tube branch pipe is bent outwardly expansion simultaneously, to expand in the centrum outside pedicle screw several out
Around pedicle screw distribution for the centrum cavity of bone cement to be perfused.
Further, fixed in a kind of centrum above-mentioned to form device with spring-piece type cone cavity, in which: outer tube general pipeline with
Each outer tube branch pipe is integrally formed, and pull rod and each strut are integrally formed.
Further, fixed in a kind of centrum above-mentioned to form device with spring-piece type cone cavity, in which: bone cement diffusion
The aperture in hole is in be gradually reduced setting from the inside to the outside.
It through the implementation of the above technical solution, the beneficial effects of the present invention are: can be outside the pedicle screw for hammering into cone
Portion forms several centrum cavitys around pedicle screw distribution, when bone cement passes through the centre bore and bone cement of pedicle screw
After diffusion hole injects each centrum cavity, bone cement can be uniformly distributed in outside pedicle screw and carry out to pedicle screw effective
It is fixed, to improve the fixed effect of pedicle screw, and then improve surgical result.
Detailed description of the invention
Fig. 1 is the fixed structural schematic diagram that device is formed with spring-piece type cone cavity in a kind of centrum of the present invention.
Fig. 2 is the structural schematic diagram of pedicle screw shown in Fig. 1.
Fig. 3 is the structural schematic diagram of outer tube general pipeline shown in Fig. 1, outer tube branch pipe, pull rod and strut.
Fig. 4 is the use state diagram of Fig. 1.
Fig. 5 is to pump the use state diagram after outer tube general pipeline, outer tube branch pipe, pull rod and strut in Fig. 4.
Specific embodiment
Invention is further described in detail in the following with reference to the drawings and specific embodiments.
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, fixed in a kind of centrum to form dress with spring-piece type cone cavity
It sets, comprising: pedicle screw 1, the axial centre of pedicle screw 1 are provided with centre bore 2, in the front end side of pedicle screw 1
It is circumferentially arranged on wall to have several bone cement diffusion holes 3 being connected with centre bore 2, one is movably set in centre bore 2
Outer tube general pipeline 4 is provided with several coupled logical outer tube branch pipes 5, outer tube branch pipe 5 and bone cement in the front end of outer tube general pipeline 4
Diffusion hole 3 corresponds, and every outer tube branch pipe 5 is inserted into corresponding bone cement diffusion hole 3, and the pipe end of every outer tube branch pipe 5 is tool
Flexible elasticity pipe end, the elastic pipe end of every outer tube branch pipe 5 is circumferentially divided into several elastic tube valves 51, total in outer tube
Activity is inserted with pull rod 6 in pipe 4, and the front end of pull rod 6 is provided with several struts 7, the strut 7 of pull rod 6 and the outer tube of outer tube general pipeline 4
Branch pipe 5 corresponds, the every strut 7 of pull rod 6 respectively activity be inserted into corresponding outer tube branch pipe 5 and with corresponding outer tube branch pipe pipe end
The outer end of all elastic pipe valve 51 mutually fix, when the pipe end of each outer tube branch pipe 4 is released corresponding bone cement diffusion by outer tube general pipeline 4
When hole 3, makes pull rod 6 that each strut 7 be driven to be corresponded in outer tube branch pipe 4 relatively and move, each strut 7 will drive the institute of corresponding outer tube branch pipe 5
It is moved in the outer end of flexible pipe valve 51, make all elastic pipe valve 51 of corresponding outer tube branch pipe 5 while being bent outwardly expansion, thus
It is empty that several centrums for bone cement to be perfused being distributed around pedicle screw 1 out are expanded in centrum 8 outside pedicle screw 1
Chamber 9；In the present embodiment, outer tube general pipeline 4 and each outer tube branch pipe 5 are integrally formed, and pull rod 6 and each strut 7 are integrally formed, and in this way may be used
To improve safety in utilization；In the present embodiment, the aperture of bone cement diffusion hole 3 in setting is gradually reduced from the inside to the outside, in this way
During by bone cement diffusion hole 3, bone cement meeting flow velocity will increase bone cement, so that bone cement be made to inject more quickly
Each centrum cavity, improves procedure efficiency；
When carrying out cone internal fixation operation, pedicle screw 1 is first hammered into centrum 8, two pedicles of vertebral arch along into nail direction completely
Screw " ﹀ " shape distribution at an acute angle；Then the pipe end of each outer tube branch pipe 4 is released by corresponding bone cement diffusion by outer tube general pipeline 4
Hole 3 then passes through pull rod 6 and each strut 7 is driven to correspond to shifting in outer tube branch pipe 4 relatively, and meeting synchronous drive is corresponding when moving in each strut 7
It is moved in the outer end of all elastic pipe valve 51 of outer tube branch pipe 5, makes all elastic pipe valve 51 while bent outward of corresponding outer tube branch pipe 5
Song expansion several out is used to be perfused to expand in centrum 8 pedicle screw 1 outside around what pedicle screw 1 was distributed
The centrum cavity 9 of bone cement；
Then one circle of the rotation of pedicle screw 1 is driven into all of each outer tube branch pipe 5 for having expanded prominent pedicle screw 1 again
Elastic tube valve 51 is around one circle of the rotation of pedicle screw 1, by all elastic pipe valve 51 of each outer tube branch pipe 5 in pedicle screw 1
The annular centrum cavity that several circles surround pedicle screw is scanned out in external centrum 8；
Then it drives each strut 7 to correspond to relatively outside outer tube branch pipe 4 by pull rod 6 again to move, it can synchronous drive pair when being moved outside each strut 7
It answers and is moved outside the outer end of all elastic pipe valve 51 of outer tube branch pipe 5, make all elastic pipe valve 51 of corresponding outer tube branch pipe 5 while replying
Collapse straight state to can retract bone cement diffusion hole 3, then again by outer tube general pipeline 4, outer tube branch pipe 5, pull rod 6 and strut 7 simultaneously
It extracts pedicle screw 1 out, surrounds the annular vertebra of pedicle screw in the centrum 8 outside pedicle screw 1 with several circles at this time
Body cavity；
Then bone cement is injected into pedicle screw 1 from the centre bore 2 of pedicle screw 1, to bone cement from pedicle screw 1
Centre bore 2 is after each bone cement diffusion hole 3 flows into corresponding annular centrum cavity, in bone cement gradually solidification process,
Constantly rotation pedicle screw 1, until the bone cement in annular centrum cavity is formed and the external screw thread of corresponding pedicle screw 1
The internal screw thread matched；After bone cement is fully cured, the fixation to pedicle screw is realized；Since bone cement forms and vertebra
The internal screw thread that the external screw thread of pedicle screw matches, so after treatment is finished, pedicle screw 1 can more easily exit vertebra
Body reduces and injures to patient centrum, further improves surgical result.
The invention has the advantages that can be formed outside the pedicle screw for hammering into cone several around pedicle screw distribution
Centrum cavity, after bone cement injects each centrum cavity by the centre bore of pedicle screw and bone cement diffusion hole, bone water
Mud can be uniformly distributed in outside pedicle screw and effectively fix to pedicle screw, to improve pedicle screw
Fixed effect, and then improve surgical result.
Claims (3)
1. fixed in a kind of centrum form device with spring-piece type cone cavity, comprising: pedicle screw, it is characterised in that: in vertebra
The axial centre of pedicle screw is provided with centre bore, circumferentially arranged in the front end side wall of pedicle screw to have several and center
The bone cement diffusion hole that hole is connected is movably set with an outer tube general pipeline in centre bore, is arranged in the front end of outer tube general pipeline
There are several coupled logical outer tube branch pipes, outer tube branch pipe and bone cement diffusion hole correspond, every outer tube branch pipe insertion pair
The bone cement diffusion hole answered, the pipe end of every outer tube branch pipe are flexible elastic pipe end, the elastic tube of every outer tube branch pipe
End is circumferentially divided into several elastic tube valves, and activity is inserted with pull rod in outer tube general pipeline, is provided in the front end of pull rod several
Strut, the strut of pull rod and the outer tube branch pipe of outer tube general pipeline correspond, and activity insertion is corresponding respectively for every strut of pull rod
Outer tube branch pipe is simultaneously mutually fixed with the outer end of all elastic pipe valve of corresponding outer tube branch pipe pipe end, when outer tube general pipeline is by each outer tube branch pipe
Pipe end when releasing corresponding bone cement diffusion hole, make pull rod that each strut be driven correspond in outer tube branch pipe relatively and move, each strut meeting band
It is moved in the outer end of all elastic pipe valve of dynamic corresponding outer tube branch pipe, makes all elastic pipe valve while bent outward of corresponding outer tube branch pipe
Song expansion, thus expanded in the centrum outside pedicle screw out it is several around pedicle screw distribution for bone water to be perfused
The centrum cavity of mud.
2. fixed in a kind of centrum according to claim 1 form device with spring-piece type cone cavity, it is characterised in that: outer
Guan general pipeline and each outer tube branch pipe are integrally formed, and pull rod and each strut are integrally formed.
3. fixed in a kind of centrum according to claim 1 or 2 form device with spring-piece type cone cavity, feature exists
In: the aperture of bone cement diffusion hole is in be gradually reduced setting from the inside to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910693593.7A CN110478016B (en) | 2019-07-30 | 2019-07-30 | Spring piece type cone cavity forming device for fixing vertebral body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910693593.7A CN110478016B (en) | 2019-07-30 | 2019-07-30 | Spring piece type cone cavity forming device for fixing vertebral body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110478016A true CN110478016A (en) | 2019-11-22 |
| CN110478016B CN110478016B (en) | 2023-12-08 |
Family
ID=68548662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910693593.7A Active CN110478016B (en) | 2019-07-30 | 2019-07-30 | Spring piece type cone cavity forming device for fixing vertebral body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110478016B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070299450A1 (en) * | 2004-12-31 | 2007-12-27 | Ji-Hoon Her | Pedicle Screw and Device for Injecting Bone Cement into Bone |
| US20090105771A1 (en) * | 2006-05-18 | 2009-04-23 | Wei Lei | Multi-Axial Expandable Pedicle Screw and an Expansion Method Thereof |
| CN202365901U (en) * | 2011-12-05 | 2012-08-08 | 中国人民解放军军事医学科学院附属医院 | Hollow expansile pedicle screw capable of carrying particles |
| CN207768496U (en) * | 2017-06-20 | 2018-08-28 | 上海凯利泰医疗科技股份有限公司 | Hollow Pediculus arcus vertebrae screw for conveying bone cement and bone cement delivery device |
| CN109044515A (en) * | 2018-07-27 | 2018-12-21 | 张嘉 | A kind of repair of fractured bones system |
| CN109549692A (en) * | 2019-01-21 | 2019-04-02 | 王昶 | A kind of spinal vertebral bilateral vertebral pedicle puncture navigator fix bone cement injector |
| CN208756131U (en) * | 2017-10-16 | 2019-04-19 | 江苏大学附属医院 | A kind of bone cement pedicle screw |
| CN211131332U (en) * | 2019-07-30 | 2020-07-31 | 张家港市中医医院 | Spring sheet type cone cavity forming device for internal fixation of vertebral body |
-
2019
- 2019-07-30 CN CN201910693593.7A patent/CN110478016B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070299450A1 (en) * | 2004-12-31 | 2007-12-27 | Ji-Hoon Her | Pedicle Screw and Device for Injecting Bone Cement into Bone |
| US20090105771A1 (en) * | 2006-05-18 | 2009-04-23 | Wei Lei | Multi-Axial Expandable Pedicle Screw and an Expansion Method Thereof |
| CN202365901U (en) * | 2011-12-05 | 2012-08-08 | 中国人民解放军军事医学科学院附属医院 | Hollow expansile pedicle screw capable of carrying particles |
| CN207768496U (en) * | 2017-06-20 | 2018-08-28 | 上海凯利泰医疗科技股份有限公司 | Hollow Pediculus arcus vertebrae screw for conveying bone cement and bone cement delivery device |
| CN208756131U (en) * | 2017-10-16 | 2019-04-19 | 江苏大学附属医院 | A kind of bone cement pedicle screw |
| CN109044515A (en) * | 2018-07-27 | 2018-12-21 | 张嘉 | A kind of repair of fractured bones system |
| CN109549692A (en) * | 2019-01-21 | 2019-04-02 | 王昶 | A kind of spinal vertebral bilateral vertebral pedicle puncture navigator fix bone cement injector |
| CN211131332U (en) * | 2019-07-30 | 2020-07-31 | 张家港市中医医院 | Spring sheet type cone cavity forming device for internal fixation of vertebral body |
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| Publication number | Publication date |
|---|---|
| CN110478016B (en) | 2023-12-08 |
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