CN103610522A - Lumbar vertebra posterior approach fusion device - Google Patents
Lumbar vertebra posterior approach fusion device Download PDFInfo
- Publication number
- CN103610522A CN103610522A CN201310681534.0A CN201310681534A CN103610522A CN 103610522 A CN103610522 A CN 103610522A CN 201310681534 A CN201310681534 A CN 201310681534A CN 103610522 A CN103610522 A CN 103610522A
- Authority
- CN
- China
- Prior art keywords
- main body
- lumbar vertebra
- fusion device
- device body
- vertebra posterior
- 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.)
- Pending
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 invention relates to a lumbar vertebra posterior approach fusion device. The fusion device comprises a cuboid device body and a developing needle located on the device body. The device body is composed of a device body front end, a device body tail end, a device body upper surface, a device body lower surface, a device body left side wall and a device body right side wall. The device body is hollow inside and forms a device body inner cavity, thread through holes are formed in the device body tail end, and bone grafting windows are formed in the device body left side wall and the device body right side wall respectively and communicated with the device body inner cavity; the developing needle is exposed out of the device body upper surface and communicated with the device body lower surface. The lumbar vertebra posterior approach fusion device has the advantages of being suitable in self size, peripheral wall thickness and terminal plate contact area, fits the human body physiological structure, can be filled with enough sclerotin, has a good supporting function, further can ensure bone ingrowth, is convenient to implant and can meet two operation modes of lumbar vertebra posterior approach and lumbar vertebra posterior approach through intervertebral foramina.
Description
Technical field
The present invention relates to a kind of intervertebral disc of lumbar vertebra implant, be used for treating a kind of many approaches lumbar vertebra posterior fusion device of intervertebral disc of lumbar vertebra degeneration and lumbar instability.
Background technology
Lower lumbar spine shakiness and the lumbar spondylolisthesis of intervertebral disc of lumbar vertebra degeneration and secondary; make lumbar vertebra occur abnormal movement under physiological loads; cause the compensatory hypertrophy of bone and ligament; stenosis of disc space; the pathological change such as articular degeneration and spinal canal stenosis; cause a series of and positive sign such as pain in the lumbar region and lower limb pain numbness to occur, thereby have a strong impact on patient's work and life.Lumbar spinal fusion is one of classical way for the treatment of lower lumbar spine shakiness and lumbar spondylolisthesis, can recover the physiologic radian of spinal column, rebuilds lumbar stability, corrects abnormal load mode and the effective ways of alleviating clinical symptoms.Its operation major way is between posterior lumbar vertebral body, to merge (being called for short PLIF) modus operandi.
Between posterior lumbar vertebral body, merging (PLIF) modus operandi is according to position and the scope of intending decompression, row semi-vertebral plate is windowed, semi-vertebral plate excision or Laminectomy and canalis spinalis and side crypts expand decompression, row waist Posterior midline approach, after appearing, by nerve root with dura mater is former leads to a side, appear intervertebral disc, excision intervertebral disc, implants fusion device.
In on April 6th, 2011 disclosed name be called the Chinese invention patent application that Invasive lumbar fusion device, notification number are CN101999950A, be hollow polygonal body, upper and lower surface is furnished with uniform dentation kick, is convenient to sting tight upper and lower soleplate, formation fixedly secures; The rectangular channel that is arranged on two sides, left and right makes fusion device have good elasticity.
Patent name in JIUYUE in 2010 bulletin on the 22nd is the Chinese utility model patent that Invasive lumbar fusion device, notification number are CN201586095U, it merges main body and has cage type cavity body structure, head is located at and is merged main body one end and have from merging that main body is extended forward and the cross-sectional area structure of streamlined gathering gradually, and afterbody is located at and is merged the main body other end and be provided with tool slot.This utility model patent has good biomechanical property, has improved to a certain extent fusion rate of bone graft.
The prior art that above-mentioned two patent applications of take are representative, is also applicable to PLIF modus operandi.But due to the difference of patient's symptom and lesion characteristic, patient selects the mode of custom and operation also not exclusively the same, thereby the suitability of the fusion device of existing applicable PLIF modus operandi is not high, and it is convenient not to implant.
Summary of the invention
For overcoming the existing defect of existing fusion device, the invention provides a kind of lumbar vertebra posterior fusion device that is applicable to many approaches, the feature with suitable own vol, all wall thickness and soleplate contact area, meet human physiological structure, can fill sclerotin by q.s, have good support function, can guarantee that again bone grows into, and implant convenient.
The present invention is achieved through the following technical solutions: lumbar vertebra posterior fusion device, and it comprises and is the main body of cuboid and is positioned at the development pin in main body; Main body is comprised of body front end, main body end, main body upper surface, main body lower surface, main body left side wall and main body right side wall, and body interior hollow forms main body inner chamber; Described main body end is provided with tapped through hole; Described main body left side wall and main body right side wall are equipped with the bone grafting window connecting with main body inner chamber; Described development pin is revealed in main body upper surface, connects with main body lower surface.
In order to facilitate the installation of apparatus, the both sides horizontal symmetry of the described tapped through hole auxiliary positioning hole that distributing.
Described main body upper surface and/or main body lower surface are provided with pawl.The tooth base angle ɑ of pawl is 30 °, and tooth depth is between 0.5-0.8mm.
For making the present invention can adopt the modus operandi of lumbar vertebra rear side approach, the sagittal plane length of the Length Ratio corpus vertebrae of lumbar vertebra posterior fusion device is short; Width is consistent with the sagittal plane width of corpus vertebrae; Height is consistent with the disc height of corpus vertebrae.Preferably, the length of lumbar vertebra posterior fusion device is between 20-24mm.
For making the present invention can adopt the modus operandi of lumbar vertebra rear side intervertebral spinal fusion approach, lumbar vertebra posterior fusion device is put between vertebral body along horizontal direction is oblique.Preferably, the length of lumbar vertebra posterior fusion device is between 26-32mm.
Compared with prior art, advantage of the present invention and beneficial effect are:
1, the size conforms characteristics of human body of fusion device.According to the shape of human body lumbar vertebra, make fusion device maximum with upper and lower joint contact area, guarantee mechanical property, safe ready is implanted, and by the Cross-section Design of fusion device, is rectangle.
2, implant conveniently, install simple.Fusion device body front end designs for sub warhead, and minimizing is blocked, and it is convenient to implant.Installing apparatus can be connected with fusion device by tapped through hole, can easily put into operative region, and being rotated counterclockwise can removal equipment.Pawl increasing friction force prevents that fusion device from sliding.
3, main body adopts polyether-ether-ketone (PEEK) material, good biocompatibility, and its elastic modelling quantity and human body proximity, radioprotective, resistance to wears, and creep resisting ability is strong.Can see through x-ray, can not produce artifact and block, facilitate doctor to assess fusion situation, be the material of current best manufacture fusion device.
4, can meet lumbar vertebra rear side approach, two kinds of different modus operandis of lumbar vertebra rear side intervertebral spinal fusion approach, meet different patient's situations, implement the demand that operative doctor is accustomed to.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is main body end schematic diagram of the present invention;
Fig. 3 is main body wall schematic diagram of the present invention;
Fig. 4 is main body upper surface schematic diagram of the present invention.
Wherein, 1---main body, 2---development pin, 3---body front end, 4---main body end, 5---tapped through hole, 6---auxiliary positioning hole, 7---main body left side wall, 8---main body right side wall, 9---pawl, 10---bone grafting window, 11---arc groove.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As shown in Figure 1, a kind of many approaches lumbar vertebra posterior fusion device provided by the present invention, comprises and is the main body 1 of cuboid and is positioned at the development pin 2 in main body.The cross section of main body 1 is rectangle, body front end 3, main body end 4, main body upper surface, main body lower surface, main body left side wall 7 and main body right side wall 8, consists of, and body interior hollow forms main body inner chamber.
Referring to Fig. 2, main body end 4 is provided with tapped through hole 5, and in the tapped through hole both sides horizontal symmetry auxiliary positioning hole 6 that distributing, to facilitate the installation of apparatus, and apparatus fully contacts with fusion device while implanting, stressed even.
As shown in Figure 3, main body left and right sidewall is provided with bone grafting window 10, and aperture 1.0-2.0mm connects with main body inner chamber.Body front end 3, for sub warhead designs, is evenly drawn in to centre on the whole, and in fact body front end can be considered by four arc surfaces and form, upper and lower two arc surface symmetries, and radius of curvature is 3.0-5.0mm; Two the arc surface symmetries in left and right, radius of curvature is 1.8-5.0mm; Thereby the surface that makes body front end 3 is circular-arc, facilitate main body to implant intervertebral disc of lumbar vertebra and the little joint space of excision, resistance is little, is easy to squeeze into.
As shown in Fig. 1,3,4, the pawl 9 that main body upper and lower surface all has horizontal direction to connect, optional 30 ° of pawl tooth base angle ɑ, tooth depth is between 0.5-0.8mm.Main body upper and lower surface also has arc groove 11 near the part of main body end; The curvature of arc groove 11 is 120 °-150 °, and radius of curvature is 0.5-1.0mm.Thereby increase the frictional force between fusion device and corpus vertebrae soleplate, prevent that fusion device from skidding off from upper and lower terminal plate of vertebral body face, reaches the object of fusion.
Development pin comprises front development pin, rear development pin and middle development pin, is all revealed in main body upper surface, connects with main body lower surface.Front development pin is positioned at front end right side, apart from body front end 1.5mm.Rear development pin is positioned at main body end right side, apart from main body distal outer surface 2mm, to angular distribution.Middle development pin is positioned at main body upper surface middle part and main body right side wall junction.By development pin, can from positive and side, observe by x line the position of assessment Invasive lumbar fusion device.
In addition, fusion device main body adopts polyether-ether-ketone (PEEK) material, good biocompatibility, and its elastic modelling quantity and human body proximity, reduce stress shielding, promotes to merge; Development pin is selected medical titanium alloy (TC4) material, development pin diameter 0.8mm.
Can meet two kinds of different modus operandis, meet different patient's situations, the demand of doctor's custom:
If adopt the mode of lumbar vertebra posterior approach during an operation, vertebral lamina fenestration, after semi-vertebral plate excision or laminectomy, cuts annulus fibrosus disci intervertebralis, directly does intervertebral decompression.The length of fusion device is selected 20-24mm, and fusion device is put between vertebral body.A side front pillar and middle columnar region due to fusion device connection vertebral body, in order to make fusion device have larger contact area, the sagittal plane length of its Length Ratio corpus vertebrae is slightly short, reserve safety zone, to avoid fusion device length oversize, cause fusion device the place ahead can oppress tissue and the trunk in the place ahead, affect blood circulation, or spinal nerves can be oppressed in fusion device rear, cause cacesthenic and pain; Width is consistent with sagittal plane width; Height is consistent with disc height, respectively places a fusion device in intervertebral space both sides.
If adopt the mode of lumbar vertebra rear side intervertebral spinal fusion approach during two operations, after the facetectomy of a side, cut annulus fibrosus disci intervertebralis, directly do intervertebral decompression.The length of fusion device is selected 26-32mm, along horizontal direction, puts between vertebral body fusion device is oblique, makes fusion device connect the contact area that whole vertebral body is larger, is beneficial to fusion, and without tractive nerve root, can excitation neural.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (9)
1. lumbar vertebra posterior fusion device, is characterized in that, comprises and is the main body of cuboid and is positioned at the development pin in main body; Main body is comprised of body front end, main body end, main body upper surface, main body lower surface, main body left side wall and main body right side wall, and body interior hollow forms main body inner chamber; Described main body end is provided with tapped through hole; Described main body left side wall and main body right side wall are equipped with the bone grafting window connecting with main body inner chamber; Described development pin is revealed in main body upper surface, connects with main body lower surface.
2. lumbar vertebra posterior fusion device according to claim 1, is characterized in that, the both sides horizontal symmetry of the described tapped through hole auxiliary positioning hole that distributing.
3. lumbar vertebra posterior fusion device according to claim 1, is characterized in that, described main body upper surface and/or main body lower surface are provided with pawl.
4. lumbar vertebra posterior fusion device according to claim 3, is characterized in that, the tooth base angle ɑ of described pawl is 30 °, and tooth depth is between 0.5-0.8mm.
5. lumbar vertebra posterior fusion device according to claim 1, is characterized in that, the sagittal plane length of the Length Ratio corpus vertebrae of lumbar vertebra posterior fusion device is short; Width is consistent with the sagittal plane width of corpus vertebrae; Height is consistent with the disc height of corpus vertebrae.
6. lumbar vertebra posterior fusion device according to claim 5, is characterized in that, the length of lumbar vertebra posterior fusion device is between 20-24mm.
7. lumbar vertebra posterior fusion device according to claim 1, is characterized in that, lumbar vertebra posterior fusion device is put between vertebral body along horizontal direction is oblique.
8. lumbar vertebra posterior fusion device according to claim 7, is characterized in that, the length of lumbar vertebra posterior fusion device is between 26-32mm.
9. lumbar vertebra posterior fusion device according to claim 1, is characterized in that, described body front end designs for sub warhead, and the surface of body front end is circular-arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310681534.0A CN103610522A (en) | 2013-12-12 | 2013-12-12 | Lumbar vertebra posterior approach fusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310681534.0A CN103610522A (en) | 2013-12-12 | 2013-12-12 | Lumbar vertebra posterior approach fusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103610522A true CN103610522A (en) | 2014-03-05 |
Family
ID=50161259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310681534.0A Pending CN103610522A (en) | 2013-12-12 | 2013-12-12 | Lumbar vertebra posterior approach fusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103610522A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105326586A (en) * | 2015-12-08 | 2016-02-17 | 北京市富乐科技开发有限公司 | Spliced type posterior lumbar interbody fusion device |
| CN105559949A (en) * | 2015-12-16 | 2016-05-11 | 贝尔泰克医疗器械江苏有限公司 | Self-stabilized interbody fusion cage |
| CN106236330A (en) * | 2016-08-22 | 2016-12-21 | 浙江康慈医疗科技有限公司 | Dypass waist Invasive lumbar fusion device |
| CN106473844A (en) * | 2015-08-26 | 2017-03-08 | 比德尔曼技术有限责任两合公司 | Intervertebral implant and the device for inserting intervertebral implant |
| CN106821556A (en) * | 2017-02-14 | 2017-06-13 | 上海凯利泰医疗科技股份有限公司 | A kind of lumbar fusion cages and its use instrument |
| CN107753157A (en) * | 2017-10-20 | 2018-03-06 | 常州华森医疗器械有限公司 | Cervical fusion cage |
| CN107811731A (en) * | 2016-09-13 | 2018-03-20 | 华沙整形外科股份有限公司 | Intercentrum spinal fusion device |
| CN117224293A (en) * | 2023-11-14 | 2023-12-15 | 苏州大学附属第二医院 | Interbody fusion cage and transverse guiding implantation tool thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997031517A2 (en) * | 1995-03-27 | 1997-08-28 | Sdgi Holdings, Inc. | Spinal fusion implants and tools for insertion and revision |
| CN200987698Y (en) * | 2006-12-26 | 2007-12-12 | 赵杰 | Lumbar vertebrae intervertebral fuse |
| CN201088619Y (en) * | 2007-08-31 | 2008-07-23 | 周跃 | Combinated multifunctional lumbar fusion device |
| CN201612682U (en) * | 2010-02-09 | 2010-10-27 | 北京理贝尔生物工程研究所有限公司 | Posterior lumbar interbody fusion device |
| CN201814686U (en) * | 2010-09-03 | 2011-05-04 | 北京西脉记忆合金有限公司 | Lumbar vertebra posterior fusion device |
| CN202619915U (en) * | 2012-02-09 | 2012-12-26 | 北京大清生物技术有限公司 | Lumbar vertebra fusion cage |
| CN202637192U (en) * | 2012-04-06 | 2013-01-02 | 北京百慕航材高科技股份有限公司 | Spine interbody fusion cage with asymmetric cavity |
| CN102860888A (en) * | 2012-09-07 | 2013-01-09 | 中山大学附属第三医院 | Integral lumbar intervertebral titanium plate fusion apparatus |
| CN103300947A (en) * | 2013-05-22 | 2013-09-18 | 广州聚生生物科技有限公司 | Anterior cervical interbody fusion cage |
| CN203609549U (en) * | 2013-12-12 | 2014-05-28 | 广州聚生生物科技有限公司 | Posterior lumbar fusion cage |
-
2013
- 2013-12-12 CN CN201310681534.0A patent/CN103610522A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997031517A2 (en) * | 1995-03-27 | 1997-08-28 | Sdgi Holdings, Inc. | Spinal fusion implants and tools for insertion and revision |
| CN200987698Y (en) * | 2006-12-26 | 2007-12-12 | 赵杰 | Lumbar vertebrae intervertebral fuse |
| CN201088619Y (en) * | 2007-08-31 | 2008-07-23 | 周跃 | Combinated multifunctional lumbar fusion device |
| CN201612682U (en) * | 2010-02-09 | 2010-10-27 | 北京理贝尔生物工程研究所有限公司 | Posterior lumbar interbody fusion device |
| CN201814686U (en) * | 2010-09-03 | 2011-05-04 | 北京西脉记忆合金有限公司 | Lumbar vertebra posterior fusion device |
| CN202619915U (en) * | 2012-02-09 | 2012-12-26 | 北京大清生物技术有限公司 | Lumbar vertebra fusion cage |
| CN202637192U (en) * | 2012-04-06 | 2013-01-02 | 北京百慕航材高科技股份有限公司 | Spine interbody fusion cage with asymmetric cavity |
| CN102860888A (en) * | 2012-09-07 | 2013-01-09 | 中山大学附属第三医院 | Integral lumbar intervertebral titanium plate fusion apparatus |
| CN103300947A (en) * | 2013-05-22 | 2013-09-18 | 广州聚生生物科技有限公司 | Anterior cervical interbody fusion cage |
| CN203609549U (en) * | 2013-12-12 | 2014-05-28 | 广州聚生生物科技有限公司 | Posterior lumbar fusion cage |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11285011B2 (en) | 2015-08-26 | 2022-03-29 | Biedermann Technologies Gmbh & Co. Kg | Intervertebral implant and device for inserting an intervertebral implant |
| CN106473844A (en) * | 2015-08-26 | 2017-03-08 | 比德尔曼技术有限责任两合公司 | Intervertebral implant and the device for inserting intervertebral implant |
| CN106473844B (en) * | 2015-08-26 | 2020-06-05 | 比德尔曼技术有限责任两合公司 | Intervertebral implant and device for inserting an intervertebral implant |
| US11938034B2 (en) | 2015-08-26 | 2024-03-26 | Biedermann Technologies Gmbh & Co. Kg | Inter vertebral implant and device for inserting an intervertebral implant |
| CN105326586A (en) * | 2015-12-08 | 2016-02-17 | 北京市富乐科技开发有限公司 | Spliced type posterior lumbar interbody fusion device |
| CN105559949A (en) * | 2015-12-16 | 2016-05-11 | 贝尔泰克医疗器械江苏有限公司 | Self-stabilized interbody fusion cage |
| CN106236330A (en) * | 2016-08-22 | 2016-12-21 | 浙江康慈医疗科技有限公司 | Dypass waist Invasive lumbar fusion device |
| CN106236330B (en) * | 2016-08-22 | 2019-03-05 | 浙江康慈医疗科技有限公司 | Dypass waist Invasive lumbar fusion device |
| CN107811731A (en) * | 2016-09-13 | 2018-03-20 | 华沙整形外科股份有限公司 | Intercentrum spinal fusion device |
| CN106821556A (en) * | 2017-02-14 | 2017-06-13 | 上海凯利泰医疗科技股份有限公司 | A kind of lumbar fusion cages and its use instrument |
| CN107753157A (en) * | 2017-10-20 | 2018-03-06 | 常州华森医疗器械有限公司 | Cervical fusion cage |
| CN117224293A (en) * | 2023-11-14 | 2023-12-15 | 苏州大学附属第二医院 | Interbody fusion cage and transverse guiding implantation tool thereof |
| CN117224293B (en) * | 2023-11-14 | 2024-01-23 | 苏州大学附属第二医院 | Transverse guiding implantation tool of interbody fusion cage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103610522A (en) | Lumbar vertebra posterior approach fusion device | |
| CN104203163B (en) | Modular anchoring bone merges retaining frame | |
| KR101052833B1 (en) | A intervertebral cage having flexibility | |
| CN103610523A (en) | Minimally invasive lateral approach interbody fusion device | |
| US20100286785A1 (en) | Method and apparatus for spinal interbody fusion | |
| CN102860888B (en) | Integration lumbar intervertebral titanium plate fusion device | |
| CN203662946U (en) | Minimally invasive lateral approach interbody fusion cage | |
| US10695188B2 (en) | Artificial epistropheus support body | |
| CN205007077U (en) | Ware is fused on way before steady type cervical vertebra | |
| CN204839839U (en) | Artificial intervertebral disc | |
| US10660766B2 (en) | Bone trabecular fusion cage | |
| CN203609549U (en) | Posterior lumbar fusion cage | |
| CN107569309B (en) | Vertebral prosthesis capable of being implanted into long bone | |
| CN205126503U (en) | Lumbar vertebrae fuses ware | |
| CN205144802U (en) | Thoracic vertebrae interbody fusion cage | |
| CN107802383A (en) | Lumbar vertebrae Invasive lumbar fusion device with Bone Ingrowth micropore | |
| CN204839837U (en) | Automatic locking formula interbody fusion cage that struts of memory alloy | |
| CN103300948B (en) | A kind of Ω type cervical artificial disc implanting prosthetic with the two-way retaining pawl of rhombus | |
| KR101496580B1 (en) | Reconstructing device for surgery of cervical disc | |
| CN102475584B (en) | Vertebral column filling block structure | |
| CN103142331B (en) | Extensive region pivot Lateral mass joint fusion device | |
| CN103622767A (en) | Lumbar fusion cage for intervertebral foramen approach | |
| CN107669377A (en) | Cervical vertebra Invasive lumbar fusion device with Bone Ingrowth micropore | |
| CN209091753U (en) | Dynamic and static stabilizer between a kind of spine plate | |
| KR101365843B1 (en) | Apparatus for cervical foraminal distraction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140305 |