CN105105889A - Artificial lumbar intervertebral disc prosthesis - Google Patents
Artificial lumbar intervertebral disc prosthesis Download PDFInfo
- Publication number
- CN105105889A CN105105889A CN201510546414.9A CN201510546414A CN105105889A CN 105105889 A CN105105889 A CN 105105889A CN 201510546414 A CN201510546414 A CN 201510546414A CN 105105889 A CN105105889 A CN 105105889A
- Authority
- CN
- China
- Prior art keywords
- soleplate
- plane
- artificial lumbar
- lumbar disc
- disc prostheses
- 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.)
- Granted
Links
Abstract
The invention discloses an artificial lumbar intervertebral disc prosthesis. The artificial lumbar intervertebral disc prosthesis is characterized in that an upper end plate (10), a nucleus pulposus (20) and a lower end plate (30) form a sandwich structure; the nucleus pulposus (20) is composed of an upper structure (21) and a lower structure (22), the upper structure (21) is of a spherical vault structure, and the lower structure (22) is of a boss structure and is provided with stretching-out guide rails (23) in the transverse diameter direction of the lower plane of the lower structure (22); a concave surface (11) arranged on the lower plane of the upper end plate (10) and the spherical vault structure of the upper structure (21) of the nucleus pulposus (20) are connected in a matched mode to form a ball-and-socket joint; a groove (31) formed in the upper plane of the lower end plate (30) and stretching-out guide grooves (32) formed in the transverse diameter direction of the groove (31) are connected with the lower structure (22) of the nucleus pulposus (20) and the guide rails (23) in a matched mode. The artificial lumbar intervertebral disc prosthesis is designed according to structural parameter characteristics of the Chinese skeletal anatomy, the forward flexion, backward extension, leftward rotation, rightward rotation, leftward side flexion and rightward side flexion six-station movement within a certain range can be achieved, and meanwhile all-directional rotational movement and horizontal movement can be achieved.
Description
Technical field
The present invention relates to a kind of prosthese that energy implant into body plays metathesis, replace in particular to for a kind of the lumbar intervertebral disc that pathological changes occurs between lumbar motion segment, play the artificial lumbar disc prostheses of rebuilding lumbar structures, recovering physiological activity function and raising quality of life of patients.
Background technology
Lumbar intervertebral disc is made up of outside fiber ring, inner vertebral pulp and upper and lower terminal plate of vertebral body, and be human body maximum depletion of blood fortune tissue, its major function transmits load between vertebral body, the activeness ensureing vertebral body and stability etc.Along with the growth at people's age, the minimizing of lumbar nucleus pulposus moisture will cause its degeneration.The lumbar intervertebral disc of degeneration, the function of its transmitted load, guarantee vertebral body activeness and stability changes, thus causes lumbar intervertebral disc physiological function to be affected.
The Therapeutic Method of the existing lumbar intervertebral disc for degeneration is the expectant treatments such as bed, medicine, traction, physical therapy.When expectant treatment is invalid or patient with severe symptoms must carry out operative treatment, operative treatment is divided into fusion and replacement.If adopted, fusion destroys normal disc anatomical structure, mobility reduces, neighbouring section is got involved; And the anatomical structure that adopted replacement to rebuild, recover physiological function.Replacement organizes implantable artificial artificial lumbar intervertebral disc by removing pathological interspinal dish, thus the anti-inflammatory agent that releasing nerve root mechanical pressure, minimizing autoimmune source and degeneration intervertebral disc bring out.Thus, artificial lumbar disc prostheses replacement is desirable lumbar intervertebral disc degeneration iatrotechnics formula.
Abroad, the prosthetic designs for artificial intervertebral disc has hundreds of kind, and existing prosthese drops into clinical operation application.The domestic design of the artificial lumbar disc prostheses for compatriots' anatomical structure also can be in blank.Because ethnic group has diversity, the inevitable also property of there are differences of lumbar intervertebral disc of different ethnic group.The present invention is based on the artificial lumbar disc prostheses of a applicable compatriots' anatomical structure of Chinese Chinese Lumbar Vertebrae intercalated disc structural anatomical parameter designing.
Summary of the invention
For overcoming above-mentioned technological deficiency and technological gap, the invention discloses a kind of artificial lumbar disc prostheses, this artificial lumbar disc prostheses can coordinate with specific ethnic group vertebral body well, and substantially can reach the physiological activity function of lumbar intervertebral disc in normal adult.
Artificial lumbar disc prostheses disclosed by the invention forms " sandwich " structure by upper soleplate 10, vertebral pulp 20, lower soleplate 30; Described vertebral pulp 20 is made up of superstructure 21 and substructure 22, and described superstructure 21 is dome structure, and substructure 22 is boss shape structure and is provided with along its lower plane transverse diameter direction the guide rail 23 stretched out; The concave surface 15 that described upper soleplate 10 lower plane is provided with is connected to form ball-and-socket joint with the dome respective outer side edges of the superstructure 21 of vertebral pulp 20, and ball-and-socket joint can realize soleplate and relatively descend the rotary motion of soleplate and the lateral bending motions of relative centre axle; The guide groove 32 that the groove 31 that on described lower soleplate 30, plane is provided with and being provided with along groove 31 transverse diameter direction stretches out is connected with substructure 22 of vertebral pulp 20 and guide rail 23 respectively, thus can realize the micro-translational motion in radius vector direction restrictive axial and the motion of transverse diameter direction simultaneously; By said structure, the translational motion in upper soleplate 10 of the present invention rotary motion, lateral bending motions and vertebral pulp 20 radius vector direction realizes the coupled motions of lumbar intervertebral disc complexity jointly.
Described upper soleplate 10 and lower soleplate about 30 soleplate side projection are D type structure.
The upper plane of soleplate 10 and the lower plane of lower soleplate 30 are equipped with dome structure on described.
The dome structure of described upper soleplate 10 is positioned at the center of soleplate 10 upper surface and is integral type structure with upper soleplate 10, and the dome structure of described lower soleplate 30 is positioned at the center of lower soleplate 30 lower surface and is integral type structure with lower soleplate 30.
The side of soleplate 10 is at least provided with a pawl 12 on described, the opposite side of soleplate 10 is at least provided with a craspedodrome sulculus 13 on described, at least be provided with a pawl 33 in the side of described lower soleplate 30, be at least provided with a craspedodrome sulculus 35 at the opposite side of described lower soleplate 30.
Described pawl is triangular pyramid pawl.
The pawl of described upper soleplate 10 is evenly distributed in the front side of soleplate 10, and the pawl of described lower soleplate 30 is evenly distributed in the front side of lower soleplate 30.
Active or the bone induction material of the equal sprayed biological in surface of soleplate 10 and lower soleplate 30 promotes that Bone Ingrowth realizes fixing of prosthese and corresponding vertebral body on described.
Described upper soleplate 10 and lower soleplate 30 distribute a part for anterior arch radian separately; The upper plane of described upper soleplate 10 and the lower plane of lower soleplate 30 are tapered plane and coordinate with the plane of terminal plate of vertebral body up and down of human body.
Groove 31 on described lower soleplate 30 in plane is square groove.
Artificial lumbar disc prostheses of the present invention is for designed by Chinese compatriots' bony anatomy parameter attribute.In configuration aspects, " sandwich " well-formed simulates lumbar intervertebral disc in normal adult physiological structure; Functionally, the rotary motion of the design and the micro-translational motion of vertebral pulp constitute the compound motion of artificial lumbar disc jointly.The artificial lumbar disc prostheses of this design can realize reconstruction highly, the reservation of physiological function motion and the raising of quality of life of patients very well.Upper and lower soleplate central authorities dome designs to coordinate with terminal plate of vertebral body very well and reaches good stablizing effect; Upper and lower soleplate is uniformly distributed pawl structure and can well realizes Using prosthesis and initially fix; Upper and lower soleplate sulculus structure is beneficial to growing into of the tissue such as bone and realizes being permanently fixed of prosthesis endplate and vertebral body.
Figure of description
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of artificial lumbar disc prostheses of the present invention;
Fig. 2 is the Standard schematic diagram of artificial lumbar disc prostheses of the present invention;
Fig. 3 is soleplate structural representation in the present invention;
Fig. 4 is soleplate side sectional view in the present invention;
Fig. 5 is vertebral pulp structural representation of the present invention;
Fig. 6 is soleplate structural representation under the present invention;
Fig. 7 is soleplate side sectional view under the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
The lumbar intervertebral disc of normal human is in upper and lower interpyramidal soft tissue.Vertebral body is similar to rigid structure, the main normal activity relying on lumbar intervertebral disc transmitted load, absorption concussion and complete people.According to clinician's introduction, the soleplate plane of normal vertebral body is concave shaped, the lower soleplate of upper vertebral body and the upper soleplate of hypocentrum are certain radian, be all provided with dome structure and be beneficial to long-term fixing, and two soleplate outerplanars are in a certain angle outside the soleplate of therefore artificial lumbar disc.
Artificial lumbar disc prostheses structure of the present invention, as shown in Fig. 1-Fig. 7, forms " sandwich " structure by upper soleplate 10, vertebral pulp 20, lower soleplate 30; Described vertebral pulp 20 is made up of superstructure 21 and substructure 22, described superstructure 21 is dome structure, substructure 22 is boss shape structure and is provided with along its lower plane transverse diameter direction the guide rail 23 stretched out, the concave surface 15 that described upper soleplate 10 lower plane is provided with is connected to form ball-and-socket joint with the dome respective outer side edges of the superstructure 21 of vertebral pulp 20, and ball-and-socket joint can realize soleplate 10 and relatively descend the rotary motion of soleplate 30 and the lateral bending motions of relative centre axle; The guide groove 32 that the groove 31 that on described lower soleplate 30, plane is provided with and being provided with along groove 31 transverse diameter direction stretches out is connected with substructure 22 of vertebral pulp 20 and guide rail 23 respectively, thus realizes the micro-translational motion in vertebral pulp 20 radius vector direction restrictive axial and the motion of transverse diameter direction simultaneously.
When the boss shape structure of described vertebral pulp 20 substructure 22 is micro-translation on the one hand and the groove 31 radius vector direction constrained motion of lower soleplate 30 time contact area large, be have with lower soleplate 30 that comparatively large contact surface is long-pending reduces pressure on the other hand.Substructure 22 matches for boss shape structure and lower soleplate 30 groove 31, mainly can realize micro-translation functions in radius vector direction, that is to say meeting on the fixing basis of vertebral pulp 20 and lower soleplate 30 relative axial position, can realize the micro-translation in radius vector direction.The object that lower soleplate 31 designs is to make whole prosthese when axially loaded owing to playing cushioning effect in the elasticity of vertebral pulp 20 and the space of groove 31.Going up soleplate 10 in the present invention descends micro-translational motion in the lateral bending motions of the rotary motion of soleplate 30 and relative centre axle and vertebral pulp 20 radius vector direction jointly to realize the coupled motions of lumbar intervertebral disc complexity relatively.
Described upper soleplate 10 and lower soleplate about 30 soleplate side projection are D type structure.
The upper plane of soleplate 10 and the lower plane of lower soleplate 30 are equipped with dome structure on described.
The dome structure of described upper soleplate 10 is positioned at the center of soleplate 10 upper surface and is integral type structure with upper soleplate 10, and the dome structure of described lower soleplate 30 is positioned at the center of lower soleplate 30 lower surface and is integral type structure with lower soleplate 30.
The side of soleplate 10 is at least provided with a pawl 12 on described, the opposite side of soleplate 10 is at least provided with a craspedodrome sulculus 13 on described, a pawl 33 is at least provided with in the side of described lower soleplate 30, a craspedodrome sulculus 35 is at least provided with at the opposite side of described lower soleplate 30, be equipped with some craspedodrome flute profiles at upper and lower soleplate, be particularly positioned to lay respectively at and be conducive to osseous tissue on rear side of upper and lower soleplate and grow into and realize the long-term fixing of soleplate and vertebral body.
Described pawl is triangular pyramid pawl.
The pawl of described upper soleplate 10 is evenly distributed in the front side of soleplate 10, and the pawl of described lower soleplate 30 is evenly distributed in the front side of lower soleplate 30.The lumbar intervertebral disc of the normal person analyzed clinically has certain anterior arch radian, on D type artificial lumbar disc designed exactly, the upper plane of soleplate and the lower plane of lower soleplate have certain angle, and the direction of dehiscing of this angle is exactly the front side of artificial lumbar disc prostheses.
Active or the bone induction material of the equal sprayed biological in surface of soleplate 10 and lower soleplate 30 promotes that Bone Ingrowth realizes fixing of prosthese and corresponding vertebral body on described.
Described upper soleplate 10 and lower soleplate 30 distribute a part for anterior arch radian separately; The upper plane of described upper soleplate 10 and the lower plane of lower soleplate 30 are tapered plane and coordinate with the plane of terminal plate of vertebral body up and down of human body.Because the soleplate up and down of whole normal lumbar intervertebral disc has certain angle, and described upper soleplate 10 and lower soleplate 30 distribute a part for anterior arch radian separately, thus whole angle can be divided into the angle two parts in the angle in plane relative level face on upper soleplate 10 and lower soleplate 30 lower plane relative level face, and on the upper soleplate 10 of artificial lumbar disc prostheses designed by the present invention, the angle of plane and lower soleplate 30 lower plane composition has just well recovered the angle that lumbar intervertebral disc in normal adult has.
Groove 31 on described lower soleplate 30 in plane is square groove.
With reference to Fig. 2, physiological function of the present invention is recovered to realize: artificial lumbar intervertebral disc altitude range of the present invention is 5-9mm; The anatomical structure of intervertebral disc is evolved into ellipse gradually by kidney shape, and Cross-section Design of the present invention is D shape structure; Radius vector scope 25.5mm-29.5mm, transverse diameter scope is 35mm-43mm; Anterior arch radian angular range is 6-10 °; The present invention can realize certain limit anteflexion, after stretch, the curved and right lateral bend six operating mode motion in anticlockwise, right rotation, left side; Meanwhile, rotary motion and translational motion can realize omnibearing motion again.
In sum, but the present invention is not limited to above-mentioned embodiment, and persons skilled in the art are in the technical scope disclosed by the present invention, and the change that can expect easily, all within protection scope of the present invention.
Claims (10)
1. an artificial lumbar disc prostheses, is characterized in that: form " sandwich " structure by upper soleplate 10, vertebral pulp 20, lower soleplate 30; Described vertebral pulp 20 is made up of superstructure 21 and substructure 22, and described superstructure 21 is dome structure, and substructure 22 is boss shape structure and is provided with along its lower plane transverse diameter direction the guide rail 23 stretched out; The concave surface 11 that described upper soleplate 10 lower plane is provided with is connected to form ball-and-socket joint with the dome respective outer side edges of vertebral pulp 20; The guide groove 32 that the groove 31 that on described lower soleplate 30, plane is provided with and being provided with along groove 31 transverse diameter direction stretches out is connected with substructure 22 of vertebral pulp 20 and guide rail 23 respectively.
2. artificial lumbar disc prostheses according to claim 1, is characterized in that: the side projection of described upper soleplate 10 and lower soleplate 30 is D type structure.
3. artificial lumbar disc prostheses according to claim 1, is characterized in that: the upper plane of soleplate 10 and the lower plane of lower soleplate 30 are equipped with dome structure on described.
4. artificial lumbar disc prostheses according to claim 3, it is characterized in that: the dome structure 11 of described upper soleplate 10 is positioned at the center of soleplate 10 upper surface and is integral type structure with upper soleplate 10, the dome structure of described lower soleplate 30 is positioned at the center of lower soleplate 30 lower surface and is integral type structure with lower soleplate 30.
5. artificial lumbar disc prostheses according to claim 1, it is characterized in that: the side of soleplate 10 is at least provided with a pawl 12 on described, the opposite side of soleplate 10 is at least provided with a craspedodrome sulculus 13 on described, at least be provided with a pawl 33 in the side of described lower soleplate 30, be at least provided with a craspedodrome sulculus 35 at the opposite side of described lower soleplate 30.
6. artificial lumbar disc prostheses according to claim 5, is characterized in that: described pawl is triangular pyramid pawl.
7. artificial lumbar disc prostheses according to claim 5, it is characterized in that: the pawl of described upper soleplate 10 is evenly distributed in the front side of soleplate 10, the pawl of described lower soleplate 30 is evenly distributed in the front side of lower soleplate 30.
8. artificial lumbar disc prostheses according to claim 5, is characterized in that: the active or bone induction material of the equal sprayed biological in surface of soleplate 10 and lower soleplate 30 promotes that Bone Ingrowth realizes fixing of prosthese and corresponding vertebral body on described.
9. artificial lumbar disc prostheses according to claim 1, is characterized in that: described upper soleplate 10 and lower soleplate 30 distribute a part for anterior arch radian separately; The upper plane of described upper soleplate 10 and the lower plane of lower soleplate 30 are tapered plane and coordinate with the plane of terminal plate of vertebral body up and down of human body.
10. artificial lumbar disc prostheses according to claim 1, is characterized in that: the groove 31 on described lower soleplate 30 in plane is square groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510546414.9A CN105105889B (en) | 2015-08-31 | 2015-08-31 | A kind of artificial lumbar disc prostheses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510546414.9A CN105105889B (en) | 2015-08-31 | 2015-08-31 | A kind of artificial lumbar disc prostheses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105105889A true CN105105889A (en) | 2015-12-02 |
| CN105105889B CN105105889B (en) | 2017-11-10 |
Family
ID=54654188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510546414.9A Active CN105105889B (en) | 2015-08-31 | 2015-08-31 | A kind of artificial lumbar disc prostheses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105105889B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106236332A (en) * | 2016-08-31 | 2016-12-21 | 北京爱康宜诚医疗器材有限公司 | Intervertebral disk prosthesis |
| CN106333771A (en) * | 2016-09-29 | 2017-01-18 | 万邦德医疗科技有限公司 | Simple artificial cervical intervertebral prosthesis |
| CN108095863A (en) * | 2018-01-20 | 2018-06-01 | 西安市红会医院 | A kind of 3D printing cervical artificial disc prosthese |
| CN108836579A (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 |
| CN108969162A (en) * | 2018-07-27 | 2018-12-11 | 深圳清华大学研究院 | A kind of intervertebral motion retaining device |
| CN112451182A (en) * | 2020-11-27 | 2021-03-09 | 汕头大学医学院第二附属医院 | XJ bionic artificial intervertebral joint |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050085917A1 (en) * | 1999-07-02 | 2005-04-21 | Thierry Marnay | Intervertebral implant |
| CN1909853A (en) * | 2003-12-11 | 2007-02-07 | Sdgi控股股份有限公司 | Expandable intervertebral implant |
| CN101052361A (en) * | 2004-08-19 | 2007-10-10 | 华沙整形外科股份有限公司 | Intervertebral disc system |
| US20090276051A1 (en) * | 2008-05-05 | 2009-11-05 | Spinalmotion, Inc. | Polyaryletherketone Artificial Intervertebral Disc |
| 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 |
| CN102821718A (en) * | 2010-04-09 | 2012-12-12 | 斯恩蒂斯有限公司 | Endplate of an intervertebral implant and implant |
| US20140012382A1 (en) * | 2012-07-06 | 2014-01-09 | TrueMotion Spine, Inc. | Shock absorbing, total disc replacement prosthetic |
| CN203988501U (en) * | 2013-10-10 | 2014-12-10 | 北京贝思达生物技术有限公司 | A kind of polyether-ether-ketone artificial spine intervertebral disc |
-
2015
- 2015-08-31 CN CN201510546414.9A patent/CN105105889B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050085917A1 (en) * | 1999-07-02 | 2005-04-21 | Thierry Marnay | Intervertebral implant |
| CN1909853A (en) * | 2003-12-11 | 2007-02-07 | Sdgi控股股份有限公司 | Expandable intervertebral implant |
| CN101052361A (en) * | 2004-08-19 | 2007-10-10 | 华沙整形外科股份有限公司 | Intervertebral disc system |
| US20090276051A1 (en) * | 2008-05-05 | 2009-11-05 | Spinalmotion, Inc. | Polyaryletherketone Artificial Intervertebral Disc |
| CN102821718A (en) * | 2010-04-09 | 2012-12-12 | 斯恩蒂斯有限公司 | Endplate of an intervertebral implant and implant |
| 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 |
| US20140012382A1 (en) * | 2012-07-06 | 2014-01-09 | TrueMotion Spine, Inc. | Shock absorbing, total disc replacement prosthetic |
| CN203988501U (en) * | 2013-10-10 | 2014-12-10 | 北京贝思达生物技术有限公司 | A kind of polyether-ether-ketone artificial spine intervertebral disc |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106236332A (en) * | 2016-08-31 | 2016-12-21 | 北京爱康宜诚医疗器材有限公司 | Intervertebral disk prosthesis |
| CN106236332B (en) * | 2016-08-31 | 2018-07-20 | 北京爱康宜诚医疗器材有限公司 | Intervertebral disk prosthesis |
| CN106333771A (en) * | 2016-09-29 | 2017-01-18 | 万邦德医疗科技有限公司 | Simple artificial cervical intervertebral prosthesis |
| CN108095863A (en) * | 2018-01-20 | 2018-06-01 | 西安市红会医院 | A kind of 3D printing cervical artificial disc prosthese |
| CN108836579A (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 |
| CN108969162A (en) * | 2018-07-27 | 2018-12-11 | 深圳清华大学研究院 | A kind of intervertebral motion retaining device |
| CN112451182A (en) * | 2020-11-27 | 2021-03-09 | 汕头大学医学院第二附属医院 | XJ bionic artificial intervertebral joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105105889B (en) | 2017-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105105889A (en) | Artificial lumbar intervertebral disc prosthesis | |
| CN201244104Y (en) | Intervertebral fusion device for locking anterior lumbar interbody | |
| CN201529176U (en) | Embedded bone trabecula intervertebral fusion device used for anastomosing vertebra | |
| CN103417313B (en) | A kind of artificial neck lumbar intervertebral disc | |
| WO2021169746A1 (en) | 3d printed bionic artificial cervical intervertebral joint | |
| CN101019787B (en) | Physiological cervical vertebral reconstructing system | |
| CN105853031B (en) | A kind of bionical anti-artificial lumbar vertebrae of dislocation and interverbebral disc junctional complex | |
| CN103800101B (en) | A kind of anti-dislocation formula non-fused artificial cervical and intervertebral disc system | |
| CN204839838U (en) | Artifical neck intervertebral disc false body | |
| CN107049563A (en) | Intervertebral disk prosthesis | |
| CN202821726U (en) | Artificial intervertebral disc prosthesis | |
| CN103610522A (en) | Lumbar vertebra posterior approach fusion device | |
| CN204839839U (en) | Artificial intervertebral disc | |
| CN103565561B (en) | Artificial lumbar intervertebral disc | |
| CN101999951B (en) | Memory alloy artificial cervical intervertebral disc | |
| WO2021258546A1 (en) | Assembled cervical vertebra and uncovertebral joint fusion cage | |
| CN105105890A (en) | Cervical vertebrae inter-vertebral disc prosthesis | |
| CN103300948B (en) | A kind of Ω type cervical artificial disc implanting prosthetic with the two-way retaining pawl of rhombus | |
| CN105997309A (en) | Bionic anti-dislocation goat lumbar vertebra junction complex | |
| CN110368148A (en) | Flexible artificial intervertebral disk | |
| CN109528365A (en) | Cervical artificial disc tabulare gap filling device and artificial disc after arthroplasty | |
| CN114028040A (en) | Vertebral body reconstruction fusion cage | |
| CN101828979B (en) | Artificial cervical vertebral body and intervertebral disc composite body | |
| CN204971720U (en) | It is biological from artifical intervertebral disc system of lock | |
| CN210077956U (en) | Assembled type back locking intervertebral support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |