CN203885668U - In-vivo formation dropping-preventing biological form intervertebral manual elastic nucleus pulposus - Google Patents
In-vivo formation dropping-preventing biological form intervertebral manual elastic nucleus pulposus Download PDFInfo
- Publication number
- CN203885668U CN203885668U CN201320655003.XU CN201320655003U CN203885668U CN 203885668 U CN203885668 U CN 203885668U CN 201320655003 U CN201320655003 U CN 201320655003U CN 203885668 U CN203885668 U CN 203885668U
- Authority
- CN
- China
- Prior art keywords
- elastic
- nucleus pulposus
- fixator
- intervertebral
- elastic retainers
- 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.)
- Expired - Fee Related
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Neurology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The utility model relates to an in-vivo formation dropping preventing biological form intervertebral manual elastic nucleus pulposus which adopts a U-shaped elastic fixator, barbed parts are arranged on upper and lower sides of the U-shaped elastic fixator, and the barbed parts are rotationally connected with the elastic fixator through rotating shafts; clamping holes are formed in the end surfaces of the two end parts of the opening end of the elastic fixator. The manual elastic nucleus pulposus can be firmly fixed in an intervertebral space, no sliding and loosing can be caused, the treating effect is guaranteed, unnecessary repair surgeries are avoided, certain plasticity is obtained, the height of the intervertebral space is ensured, a lumbar intervertebral disc is enabled to be closer to be under an original state, automatic strutting of the elastic fixator is used, intervertebral space bleeding is avoided, and the pain of a patient is alleviated; due to the design of the rotational connection of the barbed parts and the elastic fixator, the manual elastic nucleus pulposus can meet the requirements of three dimensional activities of lumbar vertebra, and stress is even; moreover, the manual elastic nucleus pulposus is made by adopting CO3 on a surface electro-deposition bio-coating or directly adopting a carbon fiber strengthened polyether-ether-ketone material, the biocompatibility is high, the fusing speed is fast and the effect is good.
Description
Technical field
This utility model belongs to artificial nucleus technical field, relates in particular to one artificial elasticity vertebral pulp between body shaping anticreep biotype lumbar vertebra.
Background technology
At present, existing artificial nucleus is that a kind of solid-state protein glue skin is enclosed with fiber cloth, the shortcoming of this vertebral pulp: the one, easily slide, the 2nd, be difficult to maintain intervertebral height, the 3rd, when bending and stretching, lumbar vertebra do not have the effect of stablizing lumbar vertebra, the 4th, greatly reduce the mobility of original lumbar vertebra, the 5th, with can not merging of spinal vertebral.
Utility model content
For solving the above-mentioned problems in the prior art, this utility model provides one to be fixed on firmly in intervertebral space, do not slide, do not get loose, therapeutic effect is secure, can ensure disc height, reduce patient's pain, the three-dimensional activity degree of lumbar is high, biocompatibility is high, and the fusion of spinal vertebral fireballing between body shaping anticreep biotype lumbar vertebra artificial elasticity vertebral pulp.
For solving the problems of the technologies described above, this utility model adopts following technical scheme:
One is artificial elasticity vertebral pulp between body shaping anticreep biotype lumbar vertebra, and described vertebral pulp is a U-shaped elastic retainers, and its upper and lower both sides are provided with agnail parts, and described agnail parts are rotationally connected by turning cylinder and described elastic retainers; The both ends end face of the opening of described elastic retainers is provided with clamping hole.
Further, described clamping hole is a through hole, and described through hole communicates with the U-shaped chamber of described elastic retainers.
Further, described elastic retainers adopts titanium alloy material to be made, and there is a biological coating on its surface by the electro-deposition of electrocrystallization method.
Further, described biological coating is containing 3.7%CO
3porous needle-like calcium deficiency HAP biological coating.
Further, described elastic retainers adopts carbon fiber reinforced polyether-ether-ketone material to be made.
The beneficial effects of the utility model are:
This utility model passes through technique scheme, can be fixed on firmly in intervertebral space, do not slide, do not get loose, therapeutic effect is secure, has also avoided unnecessary prosthesis, and there is certain plasticity, can ensure disc height, make lumbar intervertebral disc more approach initial condition, while implantation, utilize elasticity automatically to strut simultaneously, avoid intervertebral space hemorrhage, reduced patient's pain; And agnail parts and elastic retainers be rotationally connected design, both improved the mobility of lumbar vertebra after implantable artificial vertebral pulp, ensured again when vertebral body is movable stressed evenly.
In addition, the CO of the biological coating on elastic retainers surface
3content approaches nature sclerotin, or elastic retainers adopts carbon fiber reinforced polyether-ether-ketone material to be made, and biocompatibility is high, has greatly accelerated and the fusion speed of spinal vertebrae, and syncretizing effect is better.
Brief description of the drawings
Fig. 1 be described in the utility model a kind of between body shaping anticreep biotype lumbar vertebra the structural representation of artificial elastic intramarrow core embodiment;
Fig. 2 be described in the utility model a kind of between body shaping anticreep biotype lumbar vertebra the sectional structure schematic diagram of artificial elastic intramarrow core embodiment.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, and be not used in restriction this utility model.
As shown in Figures 1 and 2,
One described in this utility model embodiment is artificial elasticity vertebral pulp between body shaping anticreep biotype lumbar vertebra, is a U-shaped elastic retainers 1, and its upper and lower both sides are provided with agnail parts 2, and described agnail parts 2 are rotationally connected by turning cylinder 3 and elastic retainers 1; The both ends end face of the opening of described elastic retainers 1 is provided with clamping hole 4, and described clamping hole 4 is through holes, and described through hole communicates with the U-shaped chamber 11 of elastic retainers 1.
Described in the utility model when between body shaping anticreep biotype lumbar vertebra, artificial elasticity vertebral pulp uses, be first clamped on the clamping hole 4 of elastic retainers 1 implanting special equipment, and elastic retainers 1 is pressed from both sides in flat rear implantation intervertebral; Then take out special equipment, elastic retainers 1 is strutted automatically, the agnail 21 of the agnail parts 2 of its upper side and downside blocks terminal plate of vertebral body; Finally pour into biological fibrin glue (Fibrin Glue BFG claims again fibrin sealant or MCI hydrogel etc.), to fill residual gap in intervertebral.
Like this, artificial elasticity vertebral pulp described in the utility model can be fixed in intervertebral space firmly, does not slide, does not get loose, and therapeutic effect is secure, has also avoided unnecessary prosthesis; And elastic retainers 1 has certain plasticity, can ensure disc height, make lumbar intervertebral disc more approach initial condition, while implantation, utilize the elasticity of elastic retainers 1 automatically to strut simultaneously, avoid intervertebral space hemorrhage, reduce patient's pain; And the design that is rotationally connected of agnail parts 2 and elastic retainers 1, had both improved the three-dimensional activity degree (meet the three-dimensional activity of lumbar vertebra, almost reach original mobility) of lumbar vertebra after implantable artificial vertebral pulp, ensured again when vertebral body is movable stressed evenly.
As this utility model one preferred embodiment, described elastic retainers 1 adopts titanium alloy material to be made, and there is a biological coating 5 on its surface by the electro-deposition of electrocrystallization method, and described biological coating 5 is containing 3.7%CO
3porous needle-like calcium deficiency HAP biological coating.Like this, the CO of biological coating 5
3content approaches nature sclerotin and (approximately contains 4% CO
3), thereby biocompatibility is obviously improved, greatly accelerate the fusion speed of this artificial elastic intramarrow core and spinal vertebrae, syncretizing effect is better.
Certainly, described elastic retainers 1 also can directly adopt carbon fiber reinforced polyether-ether-ketone material to be made, and the good biocompatibility of carbon fiber reinforced polyether-ether-ketone also can be accelerated and the fusion speed of spinal vertebral, and syncretizing effect is good.
The above is preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of this utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (4)
1. an artificial elasticity vertebral pulp between body shaping anticreep biotype lumbar vertebra, it is characterized in that: described vertebral pulp is a U-shaped elastic retainers (1), its upper and lower both sides are provided with agnail parts (2), and described agnail parts (2) are rotationally connected by turning cylinder (3) and described elastic retainers (1); The both ends end face of the opening of described elastic retainers (1) is provided with clamping hole (4).
According to claim 1 between body shaping anticreep biotype lumbar vertebra artificial elasticity vertebral pulp, it is characterized in that: described clamping hole (4) is a through hole, described through hole communicates with the U-shaped chamber (11) of described elastic retainers (1).
According to claim 1 and 2 between body shaping anticreep biotype lumbar vertebra artificial elasticity vertebral pulp, it is characterized in that: described elastic retainers (1) adopts titanium alloy material to be made, and there is a biological coating (5) on its surface by the electro-deposition of electrocrystallization method.
According to claim 1 and 2 between body shaping anticreep biotype lumbar vertebra artificial elasticity vertebral pulp, it is characterized in that: described elastic retainers (1) adopts carbon fiber reinforced polyether-ether-ketone material to be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320655003.XU CN203885668U (en) | 2013-10-23 | 2013-10-23 | In-vivo formation dropping-preventing biological form intervertebral manual elastic nucleus pulposus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320655003.XU CN203885668U (en) | 2013-10-23 | 2013-10-23 | In-vivo formation dropping-preventing biological form intervertebral manual elastic nucleus pulposus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203885668U true CN203885668U (en) | 2014-10-22 |
Family
ID=51712124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320655003.XU Expired - Fee Related CN203885668U (en) | 2013-10-23 | 2013-10-23 | In-vivo formation dropping-preventing biological form intervertebral manual elastic nucleus pulposus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203885668U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496613A (en) * | 2015-12-29 | 2016-04-20 | 四川大学华西医院 | Cervical vertebra transboundary intervertebral height maintaining device |
| CN111012948A (en) * | 2019-12-16 | 2020-04-17 | 四川大学 | Bone repair and tumor inhibition material with photothermal conversion performance and functional coating and preparation method thereof |
-
2013
- 2013-10-23 CN CN201320655003.XU patent/CN203885668U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496613A (en) * | 2015-12-29 | 2016-04-20 | 四川大学华西医院 | Cervical vertebra transboundary intervertebral height maintaining device |
| CN111012948A (en) * | 2019-12-16 | 2020-04-17 | 四川大学 | Bone repair and tumor inhibition material with photothermal conversion performance and functional coating and preparation method thereof |
| CN111012948B (en) * | 2019-12-16 | 2021-05-21 | 四川大学 | Bone repair and tumor inhibition material with photothermal conversion performance and functional coating and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20151023 |
|
| EXPY | Termination of patent right or utility model |