CN101019787B - Physiological cervical vertebral reconstructing system - Google Patents
Physiological cervical vertebral reconstructing system Download PDFInfo
- Publication number
- CN101019787B CN101019787B CN200610105391A CN200610105391A CN101019787B CN 101019787 B CN101019787 B CN 101019787B CN 200610105391 A CN200610105391 A CN 200610105391A CN 200610105391 A CN200610105391 A CN 200610105391A CN 101019787 B CN101019787 B CN 101019787B
- Authority
- CN
- China
- Prior art keywords
- vertebral body
- body parts
- fixed part
- head structure
- ball head
- 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
Links
Images
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
Abstract
The present invention relates to physiological reconstruction of cervical vertebra after total resection of cervical vertebra spur, and is especially one physiological cervical vertebra reconstructing system capable of simulating health cervical vertebra to restore the stability and activity of cervical vertebra. The physiological cervical vertebra reconstructing system in symmetrical structure has one upper fixing part, one lower fixing part and one vertebral body part in between. Each of the fixing parts has one hole in the front wing for fixing the system and one button head structure in the base part. The vertebral body part in symmetrical structure has two, one upper and one lower, arc cavities for socket connection with the button head structures separately. The present invention is used in the physiological reconstruction of cervical vertebra after total resection of cervical vertebra spur.
Description
Technical field
The present invention relates to carry out after a kind of cervical vertebral body thorn excises full the device of physiological cervical vertebral reconstructing, especially can simulate the physiological cervical vertebral reconstructing system that normal cervical vertebra recovers cervical stability and mobility.
Background technology
Clinically for the diseases such as fracture, regression, infection or tumor of cervical vertebra; Need carry out the full excision of cervical vertebral body thorn under a lot of situation; Be that vertebral body window formula fluting is to exposing canalis spinalis, the most of sclerotin of excision slotted zones vertebral body, two ends residual fraction sclerotin; Thoroughly the next intervertebral disc is gone up in excision simultaneously, then the sections of excision is rebuild.At present, common clinically method for reconstructing mainly comprises: sections bone-graft fusion internal fixation and artificial vertebral body replacement.Sections bone-graft fusion internal fixation as the standard method that existing cervical vertebra is rebuild, is to use from body or allograph bone to organize the damaged sections of filling, and additional simultaneously internal fixation carries out cervical stability and rebuilds.This method realizes the stability reconstruction of cervical vertebra through implantable bone and last the next interpyramidal bone property fusion; Eliminated pain; But this method makes the reconstruction sections completely lose mobility; Influenced the mass motion function of cervical vertebra, simultaneously at a specified future date also can causing closes on that sections intervertebral disc stress is concentrated and the regression that causes.The artificial vertebral body replacement is other a kind of common method.The existing so far multiple design of artificial vertebral body, there is the sections LOM in the stability of mostly rebuilding cervical vertebra through bone-graft fusion or mode fixing certainly or additional internal fixation, the problem of neighbouring section intervertebral disc degeneration at a specified future date equally.Therefore, these two kinds of methods are not physiological reconstructions truly.Minority is considered restructure from motion and the artificial vertebral body that designs, all because its motion mode is different with the motion mode under the physiological conditions, or reason such as poor stability, cause failure eventually.Elasticity active type artificial vertebral body like design such as domestic former woods is the main body with the otch spring, and the furcella through the two ends platform carries out prosthese to be fixed; Testing in vitro possesses anterior flexion and rear stretching, and the movable function of left and right sides lateral bending and longitudinal elasticity is implanted the rear stability deficiency but test and clinical practice all show prosthese; Especially stretch after with lateral bending motion in; Be prone to that prosthese tilts and displacement (is consulted reference paper 1 and 2: [list of references] 1, clinical anatomy magazine .1997,15,2:149-1522; 2, movable artificial vertebral body replacement therapy spinal fracture three examples. the journal .2000 of Henan Medical Univ., 35,2:166); And its degrees of motion is not to exist only in intervertebral space as under the normal condition, but is present between whole displacement zone.In sum, still do not have a kind of method can take into account stability and mobility so far, realize that really the physiological of cervical vertebra is rebuild.Have only " reproducing " articuli intervertebrales and vertebral body fully, recover the mobility of articuli intervertebrales, could realize truly that the physiological of cervical vertebra is rebuild.
Summary of the invention
The object of the invention provides a kind of physiological cervical vertebral reconstructing system, and it can make the full patient who excises of cervical vertebral body thorn recover the stability and the mobility of cervical vertebra, realizes physiological reconstruction truly.
The objective of the invention is to realize like this; Design a kind of physiological cervical vertebral reconstructing system; It is characterized in that: it is a symmetrical structure up and down, is being connected with vertebral body parts 2 between two symmetric fixed parts 1 up and down, and fixed part forward wing 4 has fixing hole; Be used for fixing the cervical vertebra reconstructing system, fixed part basilar part 5 has ball head structure 6 at the center with fixed part forward wing 4 relative sides; Vertebral body parts 2 are symmetrical structure up and down, and there is arc cavity 7 its upper and lower surfaces; Vertebral body parts 2 two ends form ball-and-socket joint through arc cavity 7 and fixed part 1 ball head structure 6 pivot bush units respectively.
Described vertebral body parts 2 are that 2, two vertebral body parts 2 of two vertebral body parts connect into the vertebral body chain through vertebral body link 3, and vertebral body chain two ends are connected with fixed part 1 respectively, and type of attachment is ball head structure 6 and forms ball-and-socket joint with arc cavity 7 pivot bush units.
Described vertebral body link about in the of 3 both ends of the surface ball head structure 6 is arranged respectively; The ball head structure 6 of link 3 upper and lower end faces, arc cavity 7 pivot bush units with two fixed parts 1 up and down form ball-and-socket joint respectively.
Described vertebral body parts 2 are vertebral body parts 2, and vertebral body parts 2 two ends are connected with fixed part 1 respectively, and type of attachment is ball head structure 6 and forms ball-and-socket joint with arc cavity 7 pivot bush units.
Described fixed part forward wing 4 has 3 fixing holes, and 3 fixing holes are arranged in parallel, and the elliptical aperture 8 of both sides is as installing and fixing screw 9, and middle lock hole 10 is as lock screw 11 is installed.
The fixed part basilar part 5 and ball head structure 6 opposite faces of described fixed part 1 evenly spray titanium porous coating 12.
Described vertebral body parts 2 are rectangular structure, the inner surface liner vinyon mortar 13 of top and bottom arc cavity 7, and there are bone grafting hole 14 lateral direction penetrating vertebral body parts, the 2 inner bone grafting pipelines that form two sides, and the two sides remainder has horizontal dentation anti-slip tank 15.
Described ball-and-socket joint has the rotation mobility of 10-15 degree in all directions.
There is coarse Margarita face on described dentation straight-line groove 15 surfaces.
The operation principle of physiological cervical vertebral reconstructing system of the present invention is: after it is implanted; Fixing hole through fixed part forward wing 4 is implanted into hold-down screw to adjacent normal vertebral body; Then in lock hole; Pass the annular lock plate and implant lock screw, being secured to contracts decides the afterbody that panel edges is pressed hold-down screw, thereby obtains the stable at once of fixed part 1; Induce bone to grow into through the titanium porous coating of basilar part 4 ball head structures 6 dorsal parts and obtain at a specified future date stablizing.Through the powerful frictional force of the coarse Margarita face in vertebral body parts 2 sides, reach the stable at once of vertebral body parts 2; The bone grafting remaining part vertebral fusion in two ends, excision back entirely therewith in the bone grafting pipeline that connects through the side, and the bone of side Margarita face grows into, the long term that obtains vertebral body is stable.Through both ball-and-socket joint designs of arc cavity 7 of vertebral body parts, make articuli intervertebrales be difficult to dislocate and obtain stable.
The invention has the beneficial effects as follows that can when rebuilding cervical stability, recover the normal activity degree and the activity pattern of cervical vertebra sections, it can replace existing bone-graft fusion method becomes the standard method that clinical cervical vertebral body is rebuild.Make the full patient who excises of cervical vertebral body thorn recover the stability and the mobility of cervical vertebra, realize physiological reconstruction truly.
Description of drawings
Below in conjunction with the embodiment accompanying drawing the present invention is further specified.
Fig. 1 is the embodiment of the invention 1 generalized section;
Fig. 2 is the embodiment of the invention 2 structural representations;
Fig. 3 is the embodiment of the invention 2 generalized sections;
Fig. 4 is the vertical view of fixed part;
Fig. 5 is the schematic views of vertebral body parts;
Fig. 6 is the vertical view of vertebral body parts;
Fig. 7 is the cutaway view of vertebral body parts;
Fig. 8 is the profile of link.
Among the figure: 1, fixed part; 2, vertebral body parts; 3, vertebral body link; 4, fixed part forward wing; 5, fixed part basilar part; 6, ball head structure; 7, arc cavity; 8, elliptical aperture; 9, hold-down screw; 10, lock hole; 11, lock screw; 12, titanium porous coating; 13, vinyon mortar; 14, bone grafting hole; 15, dentation anti-slip tank; 16, annular lock plate.
The specific embodiment
This physiological cervical vertebral reconstructing system; It is a symmetrical structure up and down; Be connected with vertebral body parts 2 between two symmetric fixed parts 1 up and down; Fixed part forward wing 4 has fixing hole, is used for fixing the cervical vertebra reconstructing system, and fixed part basilar part 5 has ball head structure 6 at the center with fixed part forward wing 4 relative sides; Vertebral body parts 2 are symmetrical structure up and down, and there is arc cavity 7 its upper and lower surfaces; Vertebral body parts 2 two ends form ball-and-socket joint through arc cavity 7 and fixed part 1 ball head structure 6 pivot bush units respectively.
It is described that to be fixed on two vertebral body parts 2 between the fixed part 1 can be two vertebral body parts 2; Two vertebral body parts 2 connect into the vertebral body chain through vertebral body link 3; Vertebral body chain two ends are connected with fixed part 1 respectively, and type of attachment is ball head structure 6 and forms ball-and-socket joint with arc cavity 7 pivot bush units.The vertebral body link about in the of 3 both ends of the surface ball head structure 6 is arranged respectively; The ball head structure 6 of link 3 upper and lower end faces, arc cavity 7 pivot bush units with two fixed parts 1 up and down form ball-and-socket joint respectively; Being fixed on two vertebral body parts 2 between the fixed part 1 also can be vertebral body parts 2, and vertebral body parts 2 two ends are connected with fixed part 1 respectively, and type of attachment is ball head structure 6 and forms the ball-and-socket joint that can not dislocate with arc cavity 7 pivot bush units.Ball-and-socket joint is in the rotation mobility of all directions permission 10-15 degree.
Fixed part forward wing 4 has 3 fixing holes, and 3 fixing holes are arranged in parallel, and the elliptical aperture 8 of both sides is as installing and fixing screw 9, and middle lock hole 10 is as lock screw 11 is installed.The fixed part basilar part 5 and ball head structure 6 opposite faces of described fixed part 1 evenly spray titanium porous coating 12.
Described vertebral body parts 2 are rectangular structure, the inner surface liner vinyon mortar 13 of top and bottom arc cavity 7, and there are bone grafting hole 14 lateral direction penetrating vertebral body parts, the 2 inner bone grafting pipelines that form two sides, and the two sides remainder has horizontal dentation anti-slip tank 15.There is coarse Margarita face on dentation straight-line groove 15 surfaces.
Below in conjunction with description of drawings embodiment is described further; Fig. 1 is that the profile of the vertebral body chain of 1 liang of joint of embodiment vertebral body unit construction shows; Fixed part 1 is L-shaped, and fixed part forward wing 4 has fixing hole, is used for fixing the cervical vertebra reconstructing system; Fixed part basilar part 5 has ball head structure 6 at the center with forward wing 4 relative sides, and ball head structure 6 is as shown in the figure to be the segment shape of a protrusion; Two vertebral body parts 2 are column structure, and it has arc cavity 7 in two bottom surfaces up and down; Two vertebral body parts 2 connect into the vertebral body chain through vertebral body link 3, the vertebral body link about in the of 3 both ends of the surface have ball head structure 6 respectively; Vertebral body chain two ends are connected with fixed part 1 respectively, and type of attachment is the ball-and-socket joint of ball head structure 6 and 7 formation of arc cavity.Hold fixed part 1 to constitute by fixed part forward wing 4, fixed part basilar part 5 and ball head structure 6 respectively end to end.Fixed part forward wing 4 parallel arranged have 3 holes, and both sides elliptical aperture 8 is for installing and fixing screw 9 usefulness, and middle lock hole 10 is for installing lock screw 11 usefulness.Hold-down screw 9 is inserted through fixed part forward wing 4 two side holes, and lock screw 11 is inserted through middle lock hole 10, prevents that hold-down screw 9 from extracting, and makes it integrated with ball head structure 6.Fixed part basilar part 4 evenly sprays titanium porous coating 12 with ball head structure 6 opposite faces, is used for sclerotin and grows into.Vertebral body parts 2 two ends central authorities are embedded with the vinyon mortar 13 that inner surface is a ball-and-socket type respectively, and ball head structure 6 embeds in the socket arrangement 7, forms the joint, can universal activity.Be the bone grafting hole 14 of a horizontal pipeline between the two sides in the middle of the vertebral body parts 2, as bone grafting.
When Fig. 2 showed single sections vertebral body reconstruction, different with embodiment 1 was that whole system is made up of two fixed parts 1 and intermediary vertebral body parts 2.Hold fixed part 1 to constitute by fixed part forward wing 4, fixed part basilar part 5 and ball head structure 6 respectively end to end.Fixed part forward wing 4 parallel arranged have 3 holes, and both sides elliptical aperture 8 is for installing and fixing screw 9 usefulness, and middle lock hole 10 is for installing lock screw 11 usefulness.
Fig. 3 is the embodiment of the invention 2 generalized sections; Its vertebral body parts 2 between two fixed parts 1 connects vertebral body parts 2; Hold-down screw 9 is inserted through fixed part forward wing 4 two side holes; Lock screw 11 is inserted through middle lock hole 10, prevents that hold-down screw 9 from extracting, and makes it integrated with ball head structure 6.Fixed part basilar part 4 evenly sprays titanium porous coating 12 with ball head structure 6 opposite faces, is used for sclerotin and grows into.Vertebral body parts 2 two ends central authorities are embedded with the vinyon mortar 13 that inner surface is a ball-and-socket type respectively, and ball head structure 6 embeds and forms the joint in the socket arrangement 7, can universal activity.Be the bone grafting hole 14 of a horizontal pipeline between the two sides in the middle of the vertebral body parts 2, as bone grafting.
Fig. 4 is that the vertical view of fixed part 1 shows that 4 shape faces of fixed part forward wing are certain radian, can better fit with the cervical vertebral body leading edge.Hold-down screw 9 is settled perpendicular to fixed part forward wing 4.The annular lock plate places the lock hole superficial part, and the edge presses both sides hold-down screw 9 afterbodys, and lock screw 11 is passed annular lock plate 16 centers and implanted in the lock hole.
Fig. 5 is that the side view of vertebral body parts 2 shows that the dentation straight-line groove 15 that there is vertical shape the side of vertebral body parts 2 plays anti-skidding effect.The centre is the lateral opening bone grafting hole 14 of bone grafting pipeline.Side surface evenly sprays titanium porous coating 12, is used for sclerotin and grows into.Dentation anti-slip tank 15 surfaces and side remainder are coarse Margarita face.
Fig. 6 is that the vertical view of vertebral body parts 2 shows that vertebral body parts 2 two sides form serration and form dentation anti-slip tank 15, and the centre is arc cavity 7 openings.
Fig. 7 is that the front sectional elevation of vertebral body parts 2 shows, vertebral body vinyon mortar 13 structures up and down forms arc cavity 7, and the centre is lateral direction penetrating bone grafting hole, side 14.
Fig. 8 is that the profile of vertebral body link 3 shows, vertebral body link 3 is symmetric ball head structure 6 up and down.
Manufacturing materials of the present invention is vitallium metal and polyethylene vertebral body plastics mortar.
Adopt following method to use native system during operation: 1. row vertebral body thorn excised entirely after routine appeared the cervical spondylosis sections; 2. soleplate is prepared: excise under the upper vertebral body soleplate leading edge 1/3 and the next vertebral body and go up 1/3 projection sclerotin behind the soleplate, the polishing soleplate until with 4 complete close joining of fixed part basilar part; 3. implant fixed part 1: install lower end fixed part 1, be implanted into hold-down screw 9, lock screw 11 is installed in last the next vertebral body; 4. implant vertebral body parts 2: axially strut defect gap, between the remaining vertebral body in operation sections both sides, implant vertebral body parts 2, the ball head structure 6 of upper and lower side fixed part 1 is resetted gets in the arc cavity 7 with pleurocentrum parts 2 then; 5. implant vertebral body link 3: as being the full excision of multi-segmental vertebral body thorn; Then by behind abovementioned steps installation head afterbody fixed part 1 and the vertebral body parts 2; Between two vertebral body parts 2, implant vertebral body link 3, ball head structure 6 is up and down resetted to be got in the arc cavity 7 with pleurocentrum parts 2; Native system installs.
The part that do not elaborate among the present invention is because what adopt is the technological means that industry technical staff uses always, and the parts that have are commercially available external members, so be not described further at this.
Claims (2)
1. physiological cervical vertebral reconstructing system; It is a symmetrical structure up and down; Be connected with vertebral body parts (2) between two symmetric fixed parts (1) up and down; Fixed part forward wing (4) has fixing hole, is used for fixing physiological cervical vertebral reconstructing system, it is characterized in that: fixed part basilar part (5) has ball head structure (6) at the center with the relative side of fixed part forward wing (4); Vertebral body parts (2) are symmetrical structure up and down, and there is arc cavity (7) its upper and lower surfaces; Vertebral body parts (2) two ends form ball-and-socket joint through arc cavity (7) and fixed part (1) ball head structure (6) pivot bush unit respectively; Described vertebral body parts (2) are two vertebral body parts (2) or vertebral body parts (2); When described vertebral body parts (2) are two vertebral body parts (2); Two vertebral body parts (2) connect into the vertebral body chain through vertebral body link (3); Vertebral body chain two ends are connected with fixed part (1) respectively, and type of attachment is ball head structure (6) and forms ball-and-socket joint with arc cavity (7) pivot bush unit; When described vertebral body parts (2) were vertebral body parts (2), vertebral body parts (2) two ends were connected with fixed part (1) respectively, and type of attachment is ball head structure (6) and forms ball-and-socket joint with arc cavity (7) pivot bush unit; Described vertebral body parts (2) are rectangular structure; The inner surface liner vinyon mortar (13) of top and bottom arc cavitys (7); There is the inner bone grafting pipeline that forms of bone grafting hole (14) lateral direction penetrating vertebral body parts (2) two sides, and the two sides remainder has horizontal dentation anti-slip tank (15); Described vertebral body link (3) both ends of the surface up and down has ball head structure (6) respectively; Described fixed part forward wing (4) has 3 fixing holes, and 3 fixing holes are arranged in parallel, and the elliptical aperture of both sides (8) is as installing and fixing screw (9), and middle lock hole (10) is as lock screw (11) is installed; The fixed part basilar part (5) of described fixed part (1) evenly sprays titanium porous coating (12) with ball head structure (6) opposite face; There is coarse Margarita face on described horizontal dentation anti-slip tank (15) surface.
2. physiological cervical vertebral reconstructing system according to claim 1 is characterized in that: described ball-and-socket joint has the rotation mobility of 10-15 degree in all directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610105391A CN101019787B (en) | 2006-12-31 | 2006-12-31 | Physiological cervical vertebral reconstructing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610105391A CN101019787B (en) | 2006-12-31 | 2006-12-31 | Physiological cervical vertebral reconstructing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101019787A CN101019787A (en) | 2007-08-22 |
| CN101019787B true CN101019787B (en) | 2012-09-05 |
Family
ID=38707713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610105391A Expired - Fee Related CN101019787B (en) | 2006-12-31 | 2006-12-31 | Physiological cervical vertebral reconstructing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101019787B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9700425B1 (en) | 2011-03-20 | 2017-07-11 | Nuvasive, Inc. | Vertebral body replacement and insertion methods |
| CN103800101B (en) * | 2014-02-28 | 2016-01-13 | 西安交通大学 | A kind of anti-dislocation formula non-fused artificial cervical and intervertebral disc system |
| CN104958125B (en) * | 2015-07-24 | 2016-09-28 | 天津市第四中心医院 | Frame-type non-fusion technology artificial vertebral body |
| CN105726172B (en) * | 2016-04-19 | 2018-08-10 | 西安交通大学第二附属医院 | A kind of artificial cervical joint suitable for Cervical vertebra |
| CN105997309B (en) * | 2016-04-29 | 2018-05-04 | 西安交通大学第二附属医院 | A kind of bionical anti-dislocation goat lumbar vertebrae junctional complex |
| CN105853031B (en) * | 2016-04-29 | 2017-10-03 | 西安交通大学第二附属医院 | A kind of bionical anti-artificial lumbar vertebrae of dislocation and interverbebral disc junctional complex |
| CN106491249B (en) * | 2017-01-11 | 2017-11-21 | 南京市第一医院 | A kind of emulated artificial spine |
| BR102017026941B1 (en) * | 2017-12-14 | 2023-10-17 | Wta- Watanabe Tecnologia Aplicada Eirele - Epp | SELF-ADAPTABLE NASAL FIXATION DEVICE FOR ANIMALS |
| CN111714195A (en) * | 2020-07-01 | 2020-09-29 | 中国人民解放军空军军医大学 | Multi-axial connector for spinal fixation system |
| CN112932641B (en) * | 2021-01-25 | 2023-09-08 | 河北医科大学第三医院 | Tibia intramedullary nail |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053004A (en) * | 1991-01-18 | 1991-07-17 | 王芬 | The adjustable artificial vertebral body of L type |
| CN2403382Y (en) * | 2000-01-13 | 2000-11-01 | 中国人民解放军第二军医大学 | Lumbar posterior pyramid fusion device |
| CN1483389A (en) * | 2003-07-23 | 2004-03-24 | 西安交通大学 | Self -fixing type artificial vertebral body and mounting tool thereof |
| US6899735B2 (en) * | 2002-10-02 | 2005-05-31 | Sdgi Holdings, Inc. | Modular intervertebral prosthesis system |
| CN201040015Y (en) * | 2006-12-31 | 2008-03-26 | 中国人民解放军第四军医大学 | Artificial vertebrae cervicables composite joint device |
-
2006
- 2006-12-31 CN CN200610105391A patent/CN101019787B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053004A (en) * | 1991-01-18 | 1991-07-17 | 王芬 | The adjustable artificial vertebral body of L type |
| CN2403382Y (en) * | 2000-01-13 | 2000-11-01 | 中国人民解放军第二军医大学 | Lumbar posterior pyramid fusion device |
| US6899735B2 (en) * | 2002-10-02 | 2005-05-31 | Sdgi Holdings, Inc. | Modular intervertebral prosthesis system |
| CN1483389A (en) * | 2003-07-23 | 2004-03-24 | 西安交通大学 | Self -fixing type artificial vertebral body and mounting tool thereof |
| CN201040015Y (en) * | 2006-12-31 | 2008-03-26 | 中国人民解放军第四军医大学 | Artificial vertebrae cervicables composite joint device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101019787A (en) | 2007-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101019787B (en) | Physiological cervical vertebral reconstructing system | |
| US7850731B2 (en) | Articulating spinal implant | |
| US5861041A (en) | Intervertebral disk prosthesis and method of making the same | |
| RU2408330C2 (en) | Intervertebral implant | |
| US8506636B2 (en) | Offset radius lordosis | |
| US8753399B2 (en) | Dynamic interbody device | |
| EP3482719B1 (en) | Sacrum repair device | |
| US8246684B2 (en) | Intervertebral disc and facet joint prosthesis | |
| US9707093B2 (en) | Elastomeric artificial joints and intervertebral prosthesis systems | |
| WO2009124291A2 (en) | Intervertebral prostheses with compliant filler material for supporting adjacent vertebral bodies and method | |
| CN1953721B (en) | Dual articulating spinal device and method | |
| WO1998044877A9 (en) | Intervertebral disk prosthesis and method of making the same | |
| KR20010022695A (en) | Multiple axis intervertebral prosthesis | |
| EP3027147B1 (en) | Artificial disc devices and related methods of use | |
| JP2012501236A (en) | Implant with helical anchor | |
| US20110118845A1 (en) | Flexible dampening intervertebral spacer device | |
| WO2011015031A1 (en) | Artificial cervical vertebra composite joint | |
| WO2004098465A1 (en) | Method and apparatus for spine joint replacement | |
| CN201040015Y (en) | Artificial vertebrae cervicables composite joint device | |
| CN106308916B (en) | Artificial vertebral body fixed system | |
| CN105078623A (en) | Biological self-locking artificial intervertebral disk system and application thereof | |
| CN204971720U (en) | It is biological from artifical intervertebral disc system of lock | |
| CN113244026A (en) | Assembled sacrum reconstruction prosthesis | |
| CN101507663B (en) | Emulated artificial spine | |
| CN217548315U (en) | Assembled sacrum reconstruction prosthesis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20211231 |