CN102715969A - Combined artificial vertebral body - Google Patents
Combined artificial vertebral body Download PDFInfo
- Publication number
- CN102715969A CN102715969A CN2012102320876A CN201210232087A CN102715969A CN 102715969 A CN102715969 A CN 102715969A CN 2012102320876 A CN2012102320876 A CN 2012102320876A CN 201210232087 A CN201210232087 A CN 201210232087A CN 102715969 A CN102715969 A CN 102715969A
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- China
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- block
- vertebral body
- cover plate
- artificial vertebral
- combined type
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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
-
- 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
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- 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 invention relates to a combined artificial vertebral body and belongs to the technical field of internal fixation of implantation materials of vertebral column surgery. The combined artificial vertebral body is especially used for treating the diseases, such as spinal tumor, tuberculosis and fracture, and for replacing the vertebral body and recovering a normal physiological function of the vertebral column of human body. The combined artificial vertebral body comprises convex cover plates, concave cover plates, fixing bolts, an inner supporting block, an outer supporting block and a spring; the inner supporting block is mounted in an inner hole of the outer supporting block; the spring is inserted into the inner hole of the inner supporting block; the concave cover plates are mounted at the two ends of the outer supporting block through the fixing bolts; the two convex cover plates are respectively assembled on concave spherical surfaces of the two concave cover plates through convex spheres, thereby forming the combined artificial vertebral body; hemispheric convex spheres are arranged on one surfaces of the convex cover plates; sharp cylinders which are uniformly distributed and thin plates which are vertical to the convex cover plates and are provided with tooth-shaped grooves are arranged on the other surfaces of the convex cover plates; the concave spherical surfaces are respectively arranged on one surfaces of the concave cover plates; the concave spherical surfaces are arranged for accommodating the convex spheres of the convex cover plates; and a plurality of cylindrical footstep holes are arranged in one sides of the concave spherical surfaces of the concave cover plates.
Description
Technical field
What the present invention relates to is a kind of combined type artificial vertebral body, belongs to spinal surgery implant internal fixation technical field, is used in particular for treating diseases such as tumor of spine, tuberculosis and fracture and recovers human spine's normal physiological function to substitute vertebral body.
Background technology
From artificial vertebral body in 1969 be used for first clinical since; Artificial vertebral body is used widely as one type of effective vertebral body substitute clinically; For diseases such as treatment tumor of spine, tuberculosis and fracture bring great convenience; Artificial vertebral body can not only recover the dissect physiology structure of spinal column preferably and correct the kyphosis deformity, spinal stability is rebuild effect also give prominence to.Along with spinal vertebral is rebuild and the development of fusion technology, artificial vertebral body is as a kind of vertebral body substitute, for doctor and patient provide more treatment selection.But show through some biomechanics tests and clinical practice; Still there are some defectives in the conventional artificial vertebral body in treatment, for example artificial vertebral body existence aspect axial rotation is not enough, and is firm inadequately when combining with last hypocentrum; Cause that implant is deviate from, sedimentation etc.; Do not reach satisfied bone property fusion, poor stability at a specified future date can lose the normal flexibility of a part of spinal column simultaneously.
Summary of the invention
The objective of the invention is provides a kind of combined type artificial vertebral body to above-mentioned weak point; Owing to have dished cover plate, recessed cover plate, set bolt, interior back-up block, outer back-up block and spring; Behind this combined type artificial vertebral body of operation implantation; Vertebral body function after the excision is substituted by artificial vertebral body, and diseased region healthy vertebral body up and down supports limbs through artificial vertebral body, keeps the normal physiology curvature of human body.
Combined type artificial vertebral body of the present invention is to take following technical scheme to realize:
The combined type artificial vertebral body comprises dished cover plate, recessed cover plate, set bolt, interior back-up block, outer back-up block and spring.Back-up block is installed in the outer back-up block internal holes in said; Spring is inserted in the interior back-up block endoporus; The back-up block two ends adopt set bolt that recessed cover plate is installed respectively outside, and two dished cover plates are assembled to respectively through protruding spheroid on the concave spherical surface of two recessed cover plates, form the combined type artificial vertebral body.
Described dished cover plate is set to circular slab, square plate or sketch plate, and the dished cover plate simultaneously is provided with hemispheric protruding spheroid, and dished cover plate another side is provided with equally distributed sharp cylinder and perpendicular to the dished cover plate and be provided with the thin plate of serrate slot; Described recessed cover plate is arranged to the circle with dished cover plate appearance similar, square or sketch plate; Recessed cover plate simultaneously is provided with a concave spherical surface; Described concave spherical surface is arranged to hold the protruding spheroid of dished cover plate, and concave spherical surface one side of recessed cover plate is provided with several cylinder stepped holes, and macropore (counterbore) is arranged on concave spherical surface one side in the described cylinder stepped hole; Described macropore (counterbore) can hold the cylinder step of set bolt, and said cylinder stepped hole is provided with 2 at least; Described recessed cover plate another side is provided with several locating rods, is used for pocketed springs, places restrictions on spring and whole combined type artificial vertebral body compression position, prevents overcompression.Said locating rod is provided with 2 at least.Described locating rod can be arranged to cylinder, cylindroid, square column or other Special-Shaped Column; Described set bolt one end is set to threaded rod; The set bolt other end is provided with the cylinder step of diameter greater than threaded rod; Described threaded rod is set to and can passes through the cylinder stepped hole of recessed cover plate, and the cylinder step of described set bolt is arranged to insert the macropore in the cylinder stepped hole of recessed cover plate and can not be passed small cylindrical opening; Back-up block is set to tubulose in described; Back-up block is provided with endoporus in described; Back-up block tubular shape and endoporus all can be set to circle, square, long waist shaped or other abnormity in described; An interior back-up block wherein end is provided with raised step, and interior back-up block other end end face is provided with several screwed holes one, and described screwed hole one can match with the threaded rod of set bolt; Described outer back-up block is set to the similar tubulose of interior back-up block; Described outer back-up block 5 tubular shape and internal holes profile all can be set to circle, square, long waist shaped or other abnormity; Back-up block passed but outer back-up block internal holes one end is provided with step in the hole in the internal holes of outer back-up block was arranged to hold; The raised step of back-up block in step is arranged to hold in the described hole, the end face that outer back-up block is provided with an end of raised step is provided with several screwed holes two, and said screwed hole two is provided with 2 at least; Described screwed hole two can match with the threaded rod of set bolt, and outer back-up block outer tube surface is provided with several screwed holes three; Described spring setting is changed to circle, and the internal holes of back-up block also can be enclosed within on the locating rod of recessed cover plate in spring was arranged to insert.
This a kind of combined type artificial vertebral body is assembled as follows: the end that back-up block is threaded the hole in said has from outer back-up block that an end of step passes in the hole; Spring is inserted in the interior back-up block internal holes; Interior back-up block and outside the back-up block end that is threaded the hole adopt hold-down screw that recessed cover plate is installed respectively; Installation is set to spring respectively on the stock of recessed cover plate simultaneously, then two dished cover plates is fitted on through protruding spheroid on the concave spherical surface of two recessed cover plates, forms a kind of combined type artificial vertebral body thus.
Operation principle
A kind of combined type artificial vertebral body of the present invention is implanted between the last hypocentrum of vertebral body respectively by two dished cover plates; The thin plate of sharp cylinder on the dished cover plate and band serrate slot is inserted into and plays fixation in the vertebral body; Other assembly is installed in the middle of two dished cover plates, through protruding spheroid and its position of concave spherical surface constraint of dished cover plate and recessed cover plate, behind whole artificial vertebral body implant into body; Sphere through dished cover plate and recessed cover plate contacts can realize certain spinfunction; Through the inner spring of this artificial vertebral body, can realize contraction to a certain degree or strut function, in addition if needed simultaneously; The screwed hole of outer back-up block pipe face can make artificial vertebral body be difficult for deviating from vertebral body through conventional LOCATION OF PEDICLE SCREW FIXATION.Behind this combined type artificial vertebral body of operation implantation; The effect of spring can be modeled as the compression or the stretch function of intervertebral disc; And the cooperation of convex-concave sphere can be simulated the distortion function of intervertebral disc; Function through archecenra is gone back in these simulation maximizations makes the artificial vertebral body function more approach the function of formal vertebral body.Not only can recover the normal physiological height treatment disease of spinal column, keep the mobility of part vertebral body simultaneously, make vertebral body keep stable, reduce the risk of closing on the excessive generation complication of sections vertebral body pressure.
Advantage of the present invention:
A kind of combined type artificial vertebral body of the present invention is reasonable in design; Compact conformation; Owing to have dished cover plate, recessed cover plate, set bolt, interior back-up block, outer back-up block and spring, behind this combined type artificial vertebral body of operation implantation, the vertebral body function after the excision is substituted by artificial vertebral body; diseased region healthy vertebral body up and down supports limbs through artificial vertebral body, the normal physiology curvature of maintenance human body.The axial activeness of this combined type artificial vertebral body has been avoided the risk of complication such as the excessive generation degeneration of single vertebral body bearing capacity; Make between each vertebral body and artificial vertebral body evenly stressed; Simultaneously the concavo-convex sphere of combined type artificial vertebral body has guaranteed that normal vertebral body and artificial vertebral body see the probability of axial rotation; Make the diseased region still keep certain rotary moveable property, largely alleviated the part physiological activity that patient lose because of the operation influence, can make the more life of health of patient.
Description of drawings
In order to understand the present invention better and to understand practical application of the present invention, at this paper following accompanying drawing is provided, and said accompanying drawing has been carried out reference.Should be noted that given accompanying drawing only as an example with preferred implementation, institute's restricted portion in restriction explanation and claims.
Fig. 1 is the assembling decomposing schematic representation of a kind of combined type artificial vertebral body.
Fig. 2 is the confined state sketch map of a kind of combined type artificial vertebral body.
Fig. 3 is the dished cover plate front view of a kind of combined type artificial vertebral body.
Fig. 4 is the dished cover plate left view of a kind of combined type artificial vertebral body.
Fig. 5 is the recessed cover plate front view of a kind of combined type artificial vertebral body.
Fig. 6 is the recessed cover plate A-A cutaway view of a kind of combined type artificial vertebral body of Fig. 5.
Fig. 7 is the recessed cover plate vertical view of a kind of combined type artificial vertebral body.
Fig. 8 is the interior back-up block front view of a kind of combined type artificial vertebral body.
Fig. 9 is the interior back-up block B-B cutaway view of a kind of combined type artificial vertebral body of Fig. 8.
Figure 10 is the interior back-up block vertical view of a kind of combined type artificial vertebral body.
Figure 11 is the outer back-up block front view of a kind of combined type artificial vertebral body.
Figure 12 is the outer back-up block C-C cutaway view of a kind of combined type artificial vertebral body.
Figure 13 is the outer back-up block vertical view of a kind of combined type artificial vertebral body.
Figure 14 is the set bolt sketch map of a kind of combined type artificial vertebral body.
The specific embodiment
With reference to accompanying drawing 1～14, a kind of combined type artificial vertebral body comprises dished cover plate 1, recessed cover plate 3, set bolt 2, interior back-up block 4, outer back-up block 5 and spring 6.Back-up block 4 is installed in outer back-up block 5 internal holes in said; Spring 6 is inserted in the interior back-up block endoporus 41; Back-up block 5 two ends adopt set bolt 2 that recessed cover plate 3 is installed respectively outside; Two dished cover plates 1 are assembled to respectively through protruding spheroid 14 on the concave spherical surface 31 of two recessed cover plates 3, form the combined type artificial vertebral body.
Described dished cover plate 1 is set to circular slab, square plate or sketch plate 11.Described dished cover plate 1 one side is provided with hemispheric protruding spheroid 14, and dished cover plate 1 another side is provided with equally distributed sharp cylinder 12 and perpendicular to the dished cover plate and be provided with the thin plate 13 of serrate slot; Described recessed cover plate 3 is arranged to the circle with dished cover plate 1 appearance similar, square or sketch plate.Described recessed cover plate 3 one sides are provided with a concave spherical surface 31; Described concave spherical surface 31 is arranged to hold the protruding spheroid 14 of dished cover plate 1; Concave spherical surface one side of recessed cover plate 3 is provided with several cylinder stepped holes 32; Macropore (counterbore) 34 is arranged on concave spherical surface 31 1 sides in the described cylinder stepped hole 32, and described macropore 34 can hold the cylinder step 22 of set bolt 2, and said cylinder stepped hole is provided with 2 at least; Described recessed cover plate 3 another sides are provided with several locating rods 33, are used for pocketed springs, place restrictions on spring 6 and whole combined type artificial vertebral body compression position, prevent overcompression.Described locating rod 33 can be arranged to cylinder, cylindroid, square column or other Special-Shaped Column.Said locating rod 33 is provided with 2 at least.Described set bolt 2 one ends are set to threaded rod 21; Set bolt 2 other ends are provided with the cylinder step 22 of diameter greater than threaded rod; Described threaded rod 2 is set to and can passes through the cylinder stepped hole 32 of recessed cover plate 3, and the cylinder step 22 of described set bolt 2 is arranged to insert the macropore (counterbore) 34 in the cylinder stepped hole 32 of recessed cover plate 3 and can not be passed small cylindrical opening.Back-up block 4 is set to tubulose in described; Back-up block 4 is provided with endoporus 41 in described; Back-up block 4 tubular shape and endoporus 41 all can be set to circle, square, long waist shaped or other abnormity in described, and interior back-up block 4 a wherein end is provided with raised step 42, and interior back-up block 4 other end end faces 43 are provided with several screwed holes 1; Described screwed hole 1 can match with the threaded rod 21 of set bolt 2, and said screwed hole 1 is provided with 2 at least; Described outer back-up block 5 is set to the similar tubulose of interior back-up block 4, and described outer back-up block 5 tubular shape 53 and internal holes profile all can be set to circle, square, long waist shaped or other abnormity; Back-up block 4 passed but outer back-up block 5 internal holes one end is provided with step 52 in the hole in the internal holes of outer back-up block 5 was arranged to hold; The raised step 42 of back-up block 4 in step 52 is arranged to hold in the described hole; The end face of outer back-up block 5 raised step one end is provided with several screwed holes 2 51; Said screwed hole 2 51 is provided with 2 at least; Described screwed hole 2 51 can match with the threaded rod 21 of set bolt 2, and outer back-up block 5 outer tube surfaces 53 are provided with several screwed holes 3 55, and said screwed hole 3 55 is provided with 2 at least; Described spring 6 is set to circle, and the endoporus 41 of back-up block 4 also can be enclosed within on the locating rod 33 of recessed cover plate 3 in spring 6 was arranged to insert.Described spring 6 is provided with 2 at least.
This a kind of combined type artificial vertebral body is assembled as follows: the end that interior back-up block 4 is threaded hole 44 has from outer back-up block 5 that an end of step 52 passes in the hole; Spring 6 is inserted in interior back-up block 4 endoporus 41; An end that is threaded hole 1 at interior back-up block 4 adopts hold-down screw 2 that recessed cover plate 3 is installed; Back-up block 5 is threaded the recessed cover plate 3 of end employing hold-down screw 2 installations in hole 2 51 outside; Installation is set to spring 6 respectively on the locating rod 33 of recessed cover plate 3 simultaneously, then two dished cover plates 1 is fitted on the concave spherical surface 31 of two recessed cover plates 3 through protruding spheroid 14, forms a kind of combined type artificial vertebral body thus.
Claims (10)
1. a combined type artificial vertebral body is characterized in that: comprise dished cover plate, recessed cover plate, set bolt, interior back-up block, outer back-up block and spring; Back-up block is installed in the outer back-up block internal holes in said; Spring is inserted in the interior back-up block endoporus; The back-up block two ends adopt set bolt that recessed cover plate is installed respectively outside, and two dished cover plates are assembled to respectively through protruding spheroid on the concave spherical surface of two recessed cover plates, form the combined type artificial vertebral body.
2. a kind of combined type artificial vertebral body according to claim 1 is characterized in that: said dished cover plate simultaneously is provided with hemispheric protruding spheroid, and dished cover plate another side is provided with equally distributed sharp cylinder and perpendicular to the dished cover plate and be provided with the thin plate of serrate slot.
3. a kind of combined type artificial vertebral body according to claim 1 and 2 is characterized in that: described dished cover plate is set to circular slab, square plate or sketch plate.
4. a kind of combined type artificial vertebral body according to claim 1; It is characterized in that: said recessed cover plate simultaneously is provided with a concave spherical surface; Described concave spherical surface is arranged to hold the protruding spheroid of dished cover plate; Concave spherical surface one side of recessed cover plate is provided with several cylinder stepped holes, and macropore is arranged on concave spherical surface one side in the described cylinder stepped hole, and described macropore can hold the cylinder step of set bolt; Described recessed cover plate another side is provided with several locating rods, is used for pocketed springs; Said cylinder stepped hole is provided with 2 at least; Said locating rod is provided with 2 at least.
5. a kind of combined type artificial vertebral body according to claim 4 is characterized in that: described locating rod is arranged to cylinder, cylindroid, square column or other Special-Shaped Column.
6. a kind of combined type artificial vertebral body according to claim 1 is characterized in that: said dished cover plate simultaneously is provided with hemispheric protruding spheroid, and dished cover plate another side is provided with equally distributed sharp cylinder and perpendicular to the dished cover plate and be provided with the thin plate of serrate slot.
7. a kind of combined type artificial vertebral body according to claim 1; It is characterized in that: back-up block is set to tubulose in described; Interior back-up block is provided with endoporus, described in back-up block tubular shape and endoporus all be set to circle, square, long waist shaped or other abnormity, an interior back-up block wherein end is provided with raised step; And interior back-up block other end end face is provided with several screwed holes one, and described screwed hole one can match with the threaded rod of set bolt.
8. a kind of combined type artificial vertebral body according to claim 1 is characterized in that: described outer back-up block is set to the similar tubulose of interior back-up block.
9. a kind of combined type artificial vertebral body according to claim 1; It is characterized in that: described outer back-up block tubular shape and internal holes profile all are set to circle, square, long waist shaped or other abnormity; The internal holes of outer back-up block is arranged to hold interior back-up block; Back-up block internal holes one end is provided with step in the hole outside, the raised step of back-up block in step is arranged to hold in the described hole, and the end face that outer back-up block is provided with an end of raised step is provided with several screwed holes two; Described screwed hole two can match with the threaded rod of set bolt, and outer back-up block outer tube surface is provided with several screwed holes three.
10. a kind of combined type artificial vertebral body according to claim 1, it is characterized in that: described spring is set to circle, and the internal holes of back-up block also can be enclosed within on the locating rod of recessed cover plate in spring was arranged to insert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210232087.6A CN102715969B (en) | 2012-07-06 | 2012-07-06 | Combined artificial vertebral body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210232087.6A CN102715969B (en) | 2012-07-06 | 2012-07-06 | Combined artificial vertebral body |
Publications (2)
| Publication Number | Publication Date |
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| CN102715969A true CN102715969A (en) | 2012-10-10 |
| CN102715969B CN102715969B (en) | 2014-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201210232087.6A Active CN102715969B (en) | 2012-07-06 | 2012-07-06 | Combined artificial vertebral body |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144101A (en) * | 2013-03-26 | 2013-06-12 | 上海大学 | Flexible body of bionic robot |
| CN106983585A (en) * | 2017-04-28 | 2017-07-28 | 北京爱康宜诚医疗器材有限公司 | Centrum prosthese |
| CN107485470A (en) * | 2017-09-12 | 2017-12-19 | 张坤 | A kind of cervical vertebra space dynamic stabilizing implanting apparatus for medical use in orthopedics department |
| US10485672B2 (en) | 2011-03-20 | 2019-11-26 | Nuvasive, Inc. | Vertebral body replacement and insertion methods |
| US10687960B2 (en) | 2017-04-25 | 2020-06-23 | Second Affiliated Hospital Of Second Military Mediccal University, Shanghai | Assembled vertebral body |
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| CN1053004A (en) * | 1991-01-18 | 1991-07-17 | 王芬 | The adjustable artificial vertebral body of L type |
| EP0950389A2 (en) * | 1998-04-16 | 1999-10-20 | Aesculap AG & Co. KG | Intervertebral fusion implant |
| CN101115450A (en) * | 2004-07-09 | 2008-01-30 | 先锋实验室公司 | Skeletal reconstruction device |
| US20090149955A1 (en) * | 2004-11-20 | 2009-06-11 | Dajue Wang | Spinal prostheses |
| CN102240234A (en) * | 2011-06-29 | 2011-11-16 | 西安交通大学 | Adjustable artificial cervical vertebra and intervertebral connecting complex |
| CN202875538U (en) * | 2012-07-06 | 2013-04-17 | 常州市康辉医疗器械有限公司 | Combined artificial vertebral body |
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2012
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| CN1053004A (en) * | 1991-01-18 | 1991-07-17 | 王芬 | The adjustable artificial vertebral body of L type |
| EP0950389A2 (en) * | 1998-04-16 | 1999-10-20 | Aesculap AG & Co. KG | Intervertebral fusion implant |
| CN101115450A (en) * | 2004-07-09 | 2008-01-30 | 先锋实验室公司 | Skeletal reconstruction device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10485672B2 (en) | 2011-03-20 | 2019-11-26 | Nuvasive, Inc. | Vertebral body replacement and insertion methods |
| US11389301B2 (en) | 2011-03-20 | 2022-07-19 | Nuvasive, Inc. | Vertebral body replacement and insertion methods |
| CN103144101A (en) * | 2013-03-26 | 2013-06-12 | 上海大学 | Flexible body of bionic robot |
| CN103144101B (en) * | 2013-03-26 | 2015-10-07 | 上海大学 | A kind of flexible body of bio-robot |
| US10687960B2 (en) | 2017-04-25 | 2020-06-23 | Second Affiliated Hospital Of Second Military Mediccal University, Shanghai | Assembled vertebral body |
| CN106983585A (en) * | 2017-04-28 | 2017-07-28 | 北京爱康宜诚医疗器材有限公司 | Centrum prosthese |
| CN106983585B (en) * | 2017-04-28 | 2019-01-08 | 北京爱康宜诚医疗器材有限公司 | Centrum prosthese |
| CN107485470A (en) * | 2017-09-12 | 2017-12-19 | 张坤 | A kind of cervical vertebra space dynamic stabilizing implanting apparatus for medical use in orthopedics department |
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| Publication number | Publication date |
|---|---|
| CN102715969B (en) | 2014-10-08 |
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