CN112451182A - XJ bionic artificial intervertebral joint - Google Patents
XJ bionic artificial intervertebral joint Download PDFInfo
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- CN112451182A CN112451182A CN202011367616.4A CN202011367616A CN112451182A CN 112451182 A CN112451182 A CN 112451182A CN 202011367616 A CN202011367616 A CN 202011367616A CN 112451182 A CN112451182 A CN 112451182A
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- artificial intervertebral
- intervertebral joint
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- 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
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
-
- 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
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
- A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated components
-
- 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
- A61F2/3094—Designing or manufacturing processes
- A61F2002/30985—Designing or manufacturing processes using three dimensional printing [3DP]
-
- 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
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
- A61F2002/444—Intervertebral or spinal discs, e.g. resilient for replacing the nucleus pulposus
-
- 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
- A61F2002/4495—Joints for the spine, e.g. vertebrae, spinal discs having a fabric structure, e.g. made from wires or fibres
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (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 invention discloses an XJ bionic artificial intervertebral joint, which comprises an upper vertebral body, a lower vertebral body and nucleus pulposus, wherein the upper vertebral body and the lower vertebral body are arranged in an up-down symmetrical manner; the top and the bottom of the upper vertebral body and the lower vertebral body are provided with an upper embedded part and a lower embedded part, and the top surface and the bottom surface of the upper embedded part and the lower embedded part are respectively provided with a second groove which is sunken inwards; the front side surface of the superior vertebral body is respectively provided with a pair of superior fixing holes and a pair of inferior fixing holes which penetrate through the back side surface of the superior vertebral body, and the superior fixing holes and the inferior fixing holes are arranged in a backward crossing way. The invention has simple structure, low cost and high flexibility, effectively prevents the dislocation of the prosthesis after operation, and realizes the omnibearing flexion and extension, lateral deviation and rotation motion of the intervertebral joint.
Description
Technical Field
The invention relates to the technical field of medical prosthesis, in particular to an XJ bionic artificial intervertebral joint.
Background
In recent years, the incidence of cervical spondylosis in China is increasing year by year and tends to be younger. According to statistics, the cervical vertebra ill population in China is hundreds of millions of people. The cervical motion is composed of a plurality of spinal motion units. Each spinal telemechanical unit is composed of two vertebral bodies and an intervertebral disc therebetween. The most complex and special part of the spine is subjected to head load, multi-directional movements of flexion, extension and rotation, and the most prone to strain and strain. The cervical intervertebral disc mainly comprises an upper end plate, a nucleus pulposus and a lower end plate, is a main connection mode between vertebral bodies, has the physiological functions of buffering and damping, maintaining the sequence of the vertebral bodies and increasing the mobility of the cervical vertebra, and is characterized in that under the condition that the zygapophysis joint is intact, the function of a single intervertebral joint is jointly completed by an upper vertebral body, a lower vertebral body and the intervertebral disc between the upper vertebral body and the lower vertebral body. Due to natural aging, neck pressure and stress, cervical intervertebral discs are damaged or degenerated, the cervical marrow or spinal nerve root is pressed due to the loss of the height of the intervertebral discs or the prolapse of the nucleus pulposus, a series of clinical symptoms such as neck pain, numbness or severe pain of unilateral upper limbs or hands, weakness of the upper limbs and the like are caused, and paraplegia can be caused for severe patients. Aiming at the treatment of cervical spondylosis, the artificial cervical intervertebral disc replacement is a new method for treating the cervical intervertebral disc diseases in recent years, the existing artificial cervical intervertebral disc prosthesis only replaces the pathological change or the degenerated cervical intervertebral disc singly, is limited to the replacement of the intervertebral disc and does not simulate the physiology and anatomy of a cervical intervertebral motion unit. The invention aims to provide a bionic artificial intervertebral motion unit to restore the physiological function of cervical vertebra.
Disclosure of Invention
The invention aims to provide an XJ bionic artificial intervertebral joint which is simple in structure and low in cost, greatly improves the post-operation stability and the fusion effect of vertebral bodies, and effectively solves the problems of cervical disc herniation, cervical spondylosis, cervical vertebra fracture and the like.
In order to realize the scheme, the embodiment of the invention provides an XJ bionic artificial intervertebral joint, which comprises an upper vertebral body, a lower vertebral body and a nucleus pulposus, wherein the upper vertebral body and the lower vertebral body are arranged in a vertically symmetrical manner, a first groove matched with the shape of the nucleus pulposus is arranged on the opposite surface of the upper vertebral body and the lower vertebral body, and the nucleus pulposus is embedded into the first groove between the upper vertebral body and the lower vertebral body so as to realize omnibearing rotary motion between the upper vertebral body and the lower vertebral body;
the top and the bottom of the upper vertebral body and the lower vertebral body are provided with an upper embedded part and a lower embedded part, and the top surfaces and the bottom surfaces of the upper embedded part and the lower embedded part are provided with second grooves which are sunken inwards;
the front side surface of the upper vertebral body is respectively provided with a pair of upper fixing holes and a pair of lower fixing holes which penetrate through the rear side surface of the upper vertebral body, and the upper fixing holes and the lower fixing holes are arranged in a backward crossing mode.
Preferably, an upper injection hole penetrating through the first groove is formed in the upper anterior side of the lower vertebral body, and a lower injection hole penetrating to the first groove is formed in the lower anterior side of the lower vertebral body.
Preferably, the nucleus pulposus comprises a core body, and the upper injection hole and the lower injection hole are respectively provided with an injection tube communicated with the core body, so that the core body can inject hydrogel into the core body through the injection tubes.
Preferably, the upper injection hole and the lower injection hole are opened at the front sides of the upper vertebral body and the lower vertebral body, and an upper embedded hole and a lower embedded hole are respectively arranged at the front sides of the upper vertebral body and the lower vertebral body.
Preferably, the upper embedded hole and the lower embedded hole are provided with an upper plugging head and a lower plugging head, so that the upper plugging head and the lower plugging head plug the upper injection hole and the lower injection hole respectively.
Preferably, the surfaces of the superior and inferior vertebral bodies are trabecular cancellous bone.
Preferably, the vertical sections of the superior vertebral body and the inferior vertebral body are frustum-shaped.
Preferably, the upper fixing hole and the lower fixing hole are respectively in threaded connection with an upper screw and a lower screw
The embodiment of the invention has the following beneficial effects:
the superior vertebral body and the inferior vertebral body are respectively connected with the nucleus pulposus by adopting natural silk fabrics, nylon, terylene, expanded Polytetrafluoroethylene (PTEE) tubes and polyethylene fibers, thereby improving the flexibility between the superior vertebral body and the inferior vertebral body and avoiding the dislocation of the nucleus pulposus.
Through excising osteophyte of human body vertebral body gap hyperplasia, an XJ bionic artificial intervertebral joint is implanted in the operation process, and hydrogel is injected into nucleus pulposus, so that an upper vertebral body and a lower vertebral body are respectively supported on a distal end plate of the excised vertebral body, and the omnibearing flexion, lateral deflection and rotation motions of the upper vertebral body and the lower vertebral body are realized.
And adopt 3D printing technology to make bionical artificial cervical intervertebral joint, effectively solve the problem such as the price is expensive, the size does not match, and the elasticity, density and the hole of 3D false body can simulate bone trabecula structure simultaneously, optimize false body structure.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the overall structure of the present invention;
FIG. 3 is a rear elevational view of the overall construction of the present invention;
FIG. 4 is an overall exploded view of the present invention;
FIG. 5 is a half sectional view of the overall structure of the present invention;
FIG. 6 is a partial view of the overall structure of the present invention;
fig. 7 is a schematic view showing a structure of a portion a in fig. 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the XJ bionic artificial intervertebral joint comprises an upper vertebral body 1, a lower vertebral body 2 and a nucleus pulposus 3.
Referring to fig. 1 and 4, the superior vertebral body 1 and the inferior vertebral body 2 are arranged up and down symmetrically, the opposite surface between the superior vertebral body 1 and the inferior vertebral body 2 is provided with first grooves 11, 21 which are matched with the shape of the nucleus pulposus 3, the first grooves are smooth surfaces, the nucleus pulposus 3 is embedded into the first grooves 11, 21 between the superior vertebral body 1 and the inferior vertebral body 2, so that the movement of the superior vertebral body 1 and the inferior vertebral body 2 is more flexible, and the nucleus pulposus 3 is connected with the superior vertebral body 1 and the inferior vertebral body 2 through materials such as natural silk fabrics, nylon, terylene, expanded Polytetrafluoroethylene (PTEE) tubes, polyethylene fibers or artificial blood vessels, compared with the traditional screw fixation or embedded installation, the connection mode adopted by the invention can not only effectively avoid the dislocation of the nucleus pulposus, meanwhile, the flexibility and the flexibility between the superior vertebral body and the inferior vertebral body are improved, and the stable connection between the superior vertebral body and the inferior vertebral body is ensured.
Referring to fig. 2, the vertical cross-sections of the superior vertebral body 1 and the inferior vertebral body 2 are in a frustum shape, and the superior vertebral body and the inferior vertebral body 2 are vertically arranged to form a rhombus shape, so that the stress between the superior vertebral body 1 and the inferior vertebral body 2 is more stable, and the superior vertebral body and the inferior vertebral body 2 are manufactured into an artificial vertebral body by adopting a titanium alloy material to perform a 3D printing technology, so that the superior vertebral body and the inferior vertebral body 1 and 2 have the advantages of high toughness, corrosion resistance, strong load and the like.
The top of superior centrum 1 is provided with superior scarf joint portion 4, the bottom of inferior centrum 2 is provided with inferior scarf joint portion 5, the top surface of superior scarf joint portion 4 and inferior scarf joint portion 5, the bottom surface all is provided with second recess 41, 51, the bottom diameter of superior scarf joint portion 4 is equivalent with the top diameter size of superior centrum 1, the top diameter of superior scarf joint portion 4 is greater than the top diameter of superior centrum 1, the top diameter of inferior scarf joint portion 5 is equivalent with the bottom diameter size of inferior centrum 2, the bottom diameter of inferior scarf joint portion 5 is greater than the bottom diameter of inferior centrum 2.
Referring to fig. 2 and 5, the superior vertebral body 1 has an superior injection hole 12 penetrating through the first groove 11 at the superior anterior side, the inferior vertebral body 2 has a inferior injection hole 22 penetrating through the first groove 21 at the inferior anterior side, the nucleus pulposus 3 includes a core body 31, and injection tubes communicating with the core body 31 are respectively disposed in the superior injection hole 12 and the inferior injection hole 22.
Through carrying out wedge excision to human centrum, furthest excision is excised and is carried out human osteophyte, reserves the biggest bone volume as far as possible, implants superior vertebra 1, the next centrum 2 in the human centrum, and superior scarf joint 4 of superior vertebra 1 and the next scarf joint 5 of next centrum 2 support respectively on the distal end plate of excision centrum to remain cervical vertebra joint activity degree.
Referring again to FIG. 7, the hydrogel is injected into the core 31 by a high pressure syringe, and the injection pressure is 50-70N during the injection process. The openings of the upper injection hole 12 and the lower injection hole 22 are positioned at the front sides of the upper vertebral body 1 and the lower vertebral body 2, respectively, an upper pre-buried hole 121 and an upper pre-buried hole 221 are arranged, the upper pre-buried hole 121 and the second pre-buried hole 221 are provided with an upper blocking head and a lower blocking head, the upper blocking head and the lower blocking head preferably adopt screws, after the glue injection of the core body 31 is completed, the upper blocking head and the lower blocking head are respectively in threaded connection with the upper pre-buried hole 121 and the second pre-buried hole 221, so that the upper injection hole 12 and the lower injection hole 22 are respectively blocked, the hydrogel in the core body 31 is prevented from flowing out, the intervertebral units between the upper vertebral body 1 and the lower vertebral body 2 can realize the omnibearing flexion, lateral deviation and rotation motion, and the flexibility and the strength of nucleus pulp.
Referring to fig. 2, 3 and 6, the front side surfaces of the superior vertebral body 1 and the inferior vertebral body 2 are respectively provided with a pair of superior fixing holes 13 and a pair of inferior fixing holes 23 through the back side surfaces thereof in an inclined manner, the superior fixing holes 13 and the inferior fixing holes 23 are both arranged in an inclined manner, the superior fixing blocks and the inferior fixing blocks of the superior vertebral body 1 and the inferior vertebral body 2 are respectively in threaded connection with superior screws and inferior screws, and the tail ends of the superior screws and the inferior screws respectively penetrate through the superior vertebral body 1 and the inferior vertebral body 2 to be fixedly connected with transverse processes at two sides of a human vertebral arch plate, so that dislocation of the superior vertebral body and the inferior vertebral body in the moving process after operation is greatly reduced, and the stability between the vertebral.
It should be understood that the above-mentioned embodiments are only illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All modifications made according to the spirit of the main technical scheme of the invention are covered in the protection scope of the invention.
Claims (8)
1. An XJ bionic artificial intervertebral joint is characterized by comprising an upper vertebral body, a lower vertebral body and a nucleus pulposus, wherein the upper vertebral body and the lower vertebral body are arranged in a vertically symmetrical mode, a first groove matched with the shape of the nucleus pulposus is formed in the opposite surface of the upper vertebral body and the lower vertebral body, and the nucleus pulposus is embedded into the first groove between the upper vertebral body and the lower vertebral body so that the upper vertebral body and the lower vertebral body can rotate in all directions;
the top and the bottom of the upper vertebral body and the lower vertebral body are provided with an upper embedded part and a lower embedded part, and the top surfaces and the bottom surfaces of the upper embedded part and the lower embedded part are provided with second grooves which are sunken inwards;
the front side surface of the upper vertebral body is respectively provided with a pair of upper fixing holes and a pair of lower fixing holes which penetrate through the rear side surface of the upper vertebral body, and the upper fixing holes and the lower fixing holes are arranged in a backward crossing mode.
2. The XJ biomimetic artificial intervertebral joint according to claim 1, wherein the superior injection hole penetrating through the first groove is formed on the superior anterior side of the superior vertebral body, and the inferior injection hole penetrating through the first groove is formed on the inferior anterior side of the inferior vertebral body.
3. The XJ biomimetic artificial intervertebral joint according to claim 2, wherein the nucleus pulposus comprises a core body, and the upper injection hole and the lower injection hole are respectively provided with an injection tube communicated with the core body, so that the core body can inject hydrogel into the interior of the core body through the injection tubes.
4. The XJ biomimetic artificial intervertebral joint according to claim 3, wherein the upper injection hole and the lower injection hole are opened at the front sides of the upper vertebral body and the lower vertebral body and are respectively provided with a first pre-embedding hole and a second pre-embedding hole.
5. The XJ bionic artificial intervertebral joint as claimed in claim 4, wherein the first and second pre-buried holes are provided with an upper blocking head and a lower blocking head so as to block the upper injection hole and the lower injection hole respectively.
6. The XJ biomimetic artificial intervertebral joint according to any one of claims 1-5, wherein the surfaces of the superior vertebral body and the inferior vertebral body are trabecular bone.
7. The XJ biomimetic artificial intervertebral joint according to claim 6, wherein the vertical cross-section of the superior vertebral body and the inferior vertebral body is frustum-shaped.
8. The XJ biomimetic artificial intervertebral joint according to claim 1, wherein the upper fixation hole and the lower fixation hole are respectively in threaded connection with an upper screw and a lower screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011367616.4A CN112451182B (en) | 2020-11-27 | 2020-11-27 | XJ bionic artificial intervertebral joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011367616.4A CN112451182B (en) | 2020-11-27 | 2020-11-27 | XJ bionic artificial intervertebral joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112451182A true CN112451182A (en) | 2021-03-09 |
| CN112451182B CN112451182B (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011367616.4A Active CN112451182B (en) | 2020-11-27 | 2020-11-27 | XJ bionic artificial intervertebral joint |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1561185A (en) * | 2001-12-05 | 2005-01-05 | 马斯医药技术股份公司 | Intervertebral disk prosthesis or nucleus replacement prosthesis |
| US20050065609A1 (en) * | 2001-11-19 | 2005-03-24 | Douglas Wardlaw | Intervertebral disc prosthesis |
| CN1703177A (en) * | 2002-08-15 | 2005-11-30 | 新特斯(美国)公司 | Intervertebral disc implant |
| CN1882294A (en) * | 2003-08-01 | 2006-12-20 | 脊椎动力学公司 | Prosthetic intervertebral disc and methods for using the same |
| US20070088441A1 (en) * | 2004-06-30 | 2007-04-19 | Synergy Disc Replacement, Inc. | Artificial Spinal Disc |
| CN101422394A (en) * | 2007-10-30 | 2009-05-06 | 冠亚国际科技股份有限公司 | Vertebra filling block |
| CN201719410U (en) * | 2010-06-23 | 2011-01-26 | 北京市春立正达科技开发有限公司 | Artificial disc |
| CN105105889A (en) * | 2015-08-31 | 2015-12-02 | 深圳清华大学研究院 | Artificial lumbar intervertebral disc prosthesis |
| CN108836580A (en) * | 2018-07-06 | 2018-11-20 | 北京爱康宜诚医疗器材有限公司 | Artificial intervertebral disk frame body |
| CN109620484A (en) * | 2018-12-19 | 2019-04-16 | 四川大学华西医院 | With the cervical vertebra joint replacement device of pyramidal portion excision |
| CN111317597A (en) * | 2020-02-24 | 2020-06-23 | 汕头大学 | 3D printed bionic artificial cervical intervertebral joint |
-
2020
- 2020-11-27 CN CN202011367616.4A patent/CN112451182B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050065609A1 (en) * | 2001-11-19 | 2005-03-24 | Douglas Wardlaw | Intervertebral disc prosthesis |
| CN1561185A (en) * | 2001-12-05 | 2005-01-05 | 马斯医药技术股份公司 | Intervertebral disk prosthesis or nucleus replacement prosthesis |
| CN1703177A (en) * | 2002-08-15 | 2005-11-30 | 新特斯(美国)公司 | Intervertebral disc implant |
| CN1882294A (en) * | 2003-08-01 | 2006-12-20 | 脊椎动力学公司 | Prosthetic intervertebral disc and methods for using the same |
| US20070088441A1 (en) * | 2004-06-30 | 2007-04-19 | Synergy Disc Replacement, Inc. | Artificial Spinal Disc |
| CN101422394A (en) * | 2007-10-30 | 2009-05-06 | 冠亚国际科技股份有限公司 | Vertebra filling block |
| CN201719410U (en) * | 2010-06-23 | 2011-01-26 | 北京市春立正达科技开发有限公司 | Artificial disc |
| CN105105889A (en) * | 2015-08-31 | 2015-12-02 | 深圳清华大学研究院 | Artificial lumbar intervertebral disc prosthesis |
| CN108836580A (en) * | 2018-07-06 | 2018-11-20 | 北京爱康宜诚医疗器材有限公司 | Artificial intervertebral disk frame body |
| CN109620484A (en) * | 2018-12-19 | 2019-04-16 | 四川大学华西医院 | With the cervical vertebra joint replacement device of pyramidal portion excision |
| CN111317597A (en) * | 2020-02-24 | 2020-06-23 | 汕头大学 | 3D printed bionic artificial cervical intervertebral joint |
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| CN112451182B (en) | 2022-12-06 |
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