CN103494658A - Combined intervertebral disc cage assembly capable of being implanted in minimally invasive mode - Google Patents

Combined intervertebral disc cage assembly capable of being implanted in minimally invasive mode Download PDF

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Publication number
CN103494658A
CN103494658A CN201310359506.7A CN201310359506A CN103494658A CN 103494658 A CN103494658 A CN 103494658A CN 201310359506 A CN201310359506 A CN 201310359506A CN 103494658 A CN103494658 A CN 103494658A
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China
Prior art keywords
fusion
intervertebral disc
fusion device
component
fusion component
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CN201310359506.7A
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Chinese (zh)
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CN103494658B (en
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杨永竑
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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

Abstract

The invention relates to an interbody fusion cage, and particularly discloses a combined intervertebral disc cage assembly capable of being implanted in a minimally invasive mode. The combined intervertebral disc cage assembly capable of being implanted in the minimally invasive mode comprises a cage and a leading-in device, wherein the cage comprises a cage body, small holes used for being filled with bone grafts are formed on an end plate contact surface of the cage body, the cage body is composed of a first fuse assembly, a second fuse assembly and a third fuse assembly in sequence, and each fuse assembly is of a hollow structure. A concave surface and a convex surface which are matched are respectively formed in the connecting surfaces of every two adjacent fuse assemblies, the connecting surfaces of the fuse assemblies and the bottom surface of the third fuse assembly are respectively provided with threaded holes and inserting holes, the fuse assemblies can be fixed relatively, and four fixing threaded holes and a seal strip are further arranged on the bottom surface of the third fuse assembly to fix seals. The contacting area between the combined intervertebral disc cage assembly and upper and lower centrums is large, the assemblies of different types are selected according to the opening height between the centrums, the fuse assemblies are sequentially led in for a minimally invasive surgery by means of a small cut range, and injury is reduced.

Description

But the combined intervertebral disc fusion device assembly that a kind of Wicresoft implants
Technical field
The present invention relates to a kind of Invasive lumbar fusion device, but related in particular to the combined intervertebral disc fusion device assembly that a kind of Wicresoft implants.
Background technology
The degeneration vertebrae disease is the orthopaedics common disease, as lumbar degenerative landing, segmental shakiness, lumbar intervertebral disc source property disease etc., all can cause lower pain in the lumbar region pain, limb motion sensory disturbance.Mercer proposed the Perfected process that the vertebra post merges in 1936 be to merge between vertebral body, first by vertebral plate, reduce pressure, intervertebral disc marrow nuclear excising and process soleplate after, select suitable Invasive lumbar fusion device, it is implanted to intervertebral space.Merging method commonly used between lumbar vertebra at present is the anterior intervertebral fusion art, posterior lumbar interbody fusion, intervertebral spinal fusion approach lumbar intervertebral fusion and axial lumbar intervertebral fusion.
Invasive lumbar fusion device mainly contains following weak point at present, at first, fusion device at present commonly used is less, itself does not have fixture, also need to fix with pedicle screw system is interior in addition, increase like this otch or extend otch, cause more poly-injury of patient, also increase patients ' expenses, pedicle screw likely needs second operation to take out simultaneously.Secondly, recently external the discovery inserted larger single piece of intervertebral disc fusion device from the little incision of dypass, without fixing in pedicle system, but the side approach can not be done way of escape spinal canal decompression and the intervertebral disc rear is outstanding, and the main nerve compression of canalis spinalis in the wings of the change that causes patient's symptoms of lower extremity, the side approach can not solve main position pathological changes, waist 5 sacrum 1(L 5s 1) gap can not do the operation of side approach.
Summary of the invention
The present invention is directed in prior art fusion device less, itself does not have fixture, and insert larger Single cage from the dypass otch, still can not solve the shortcomings such as main position pathological changes, but purpose has been to provide the combined intervertebral disc fusion device that a kind of Wicresoft entered from the little otch of lumbar vertebral posterior implants, only need less otch, insert successively the fusion device assembly, do not need to fix with pedicle screw, reduce damage simultaneously, shorten operating time, without second operation.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
But the combined intervertebral disc fusion device that a kind of Wicresoft implants, comprise the fusion device main body, the soleplate contact surface of fusion device main body is provided with for filling the aperture of bone grafting, the fusion device main body is comprised of the first fusion component, the second fusion component and the 3rd fusion component successively, and each fusion component inside is hollow-core construction.
As preferably, the fusion device main body comprises the first fusion component, the second fusion component and the 3rd fusion component.Only need less otch scope in operation process, insert successively the first fusion component, the second fusion component and the 3rd fusion component, can do Minimally Invasive Surgery, reduce damage.
As preferably, fusion device main body soleplate contact surface is provided with for filling the aperture of bone grafting, and each fusion component inside is hollow-core construction.Fusion component inside is hollow-core construction, is convenient to place bone graft, and fusion device main body soleplate contact surface is provided with a plurality of apertures, is beneficial to bone-graft fusion.
As preferably, be respectively equipped with concave surface and the convex surface be complementary on the joint face of two adjacent fusion component.Adjacent fusion component can be connected with convex surface successively by concave surface, is convenient to involutory placement between the intervertebral disc fusion component, prevents the slip between fusion component, plays the fixedly effect of fusion device main body.
As preferably, on the joint face between the first fusion component, the second fusion component and the 3rd fusion component and the bottom surface of the 3rd fusion component, be equipped with jack and screw hole.Each fusion component is provided with screw hole, an available set bolt is through the screw hole of each fusion component, and each fusion component is relatively fixing, and each fusion component is provided with jack, the arc hook of being convenient on import tool inserts this jack, and each fusion component is imported in vertebral body.
As preferably, also be provided with four fixed screw holes and sealing strip on the bottom surface of the 3rd fusion component.Fixing screw by four fixed screw holes fixes fusion device and upper hypocentrum, sealing strip rotates the through hole on sealing strip is overlapped with patchhole by rotating shaft, and fix by screw means, prevent from being fixed on set bolt on each fusion component and exit, play the fixing effect of sealing.
As preferably, jack is consistent with the through hole specification.Be convenient to through hole on sealing strip and overlap with jack, be screwed, sealed.
As preferably, the length of the first fusion component, the second fusion component and the 3rd fusion component is 30～35mm, and thickness is 7～12mm.In the process of operation, can, according to the fusion component that struts height different choice different model between vertebra, have wide range of applications.
But the combined intervertebral disc fusion device assembly that a kind of Wicresoft implants, but comprise the combined intervertebral disc fusion device that a kind of Wicresoft implants, also comprise gatherer, gatherer comprises the import tool body, the import tool body comprises handle and imports to be held, and handle and importing end intersect vertically, and are L shaped shape.
As preferably, the handle of import tool body is provided with salient point, the import tool body the importing end be provided with arc hook.The handle of import tool is provided with salient point and is convenient in operation process carry out necessary knocking, and the arc hook of the importing end of import tool can be inserted into the jack of each fusion component, and auxiliary fusion device imports in vertebral body.
As preferably, jack is complementary with the arc hook that imports end.
But the invention provides the combined intervertebral disc fusion device assembly that a kind of Wicresoft implants, comprise fusion device and gatherer, fusion device comprises the fusion device main body, the soleplate contact surface of fusion device main body is provided with for filling the aperture of bone grafting, the fusion device main body is successively by the first fusion component, the second fusion component and the 3rd fusion component form, each fusion component inside is hollow-core construction, in operation process, only need less otch scope, fusion component according to the height different choice different model strutted between vertebra, successively by the first fusion component, the second fusion component and the 3rd fusion component are inserted in vertebral body, by the involutory placement of the male and fomale(M&F) on the fusion component joint face, anti-skidding, on each fusion component joint face and the 3rd fusion component bottom surface is provided with screw hole and jack simultaneously, screw hole can be fixed relatively by fixed screw, also be provided with four fixed screw holes and sealing strip on the bottom surface of the 3rd fusion component, seal fixing.The fusion device main body is inserted into jack by the arc hook on gatherer fusion component is imported successively.Fusion device is combined, from the little otch of lumbar vertebral posterior, implants successively, can do Minimally Invasive Surgery, reduces damage, shortens operating time.
The accompanying drawing explanation
Fig. 1 is the axonometric chart of the combined intervertebral disc fusion device of the present invention.
Fig. 2 is the combined intervertebral disc fusion device of the present invention top view.
Fig. 3 is the combined intervertebral disc fusion device of the present invention side view.
Fig. 4 is the first fusion component front view in Fig. 1.
Fig. 5 is the second fusion component front view in Fig. 1.
Fig. 6 is the 3rd fusion component front view in Fig. 1.
Fig. 7 is the import tool figure of the combined intervertebral disc fusion device of the present invention.
Fig. 8 is the front view after the combined intervertebral disc fusion device of the present invention imports intervertebral disc.
The toponym that in accompanying drawing, each number designation refers to is as follows: 1-fusion device main body, the 2-the first fusion component, the 3-the second fusion component, the 4-the three fusion component, 5-jack, 6-screw hole, 7-fixed screw holes, 8-sealing strip, 9-aperture, 10-concave surface, 11-soleplate contact surface, 12-convex surface, 13-import tool body, 14-upper vertebral body, 15-intervertebral disc, 16-hypocentrum, 17-place of windowing performs the operation, 81-rotating shaft, 82-through hole, 131-hands handle, 132-import and hold, 133-salient point, 134-arc hook.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Embodiment 1
But the combined intervertebral disc fusion device assembly that a kind of Wicresoft implants, but comprise the combined intervertebral disc fusion device that a kind of Wicresoft implants, as shown in Fig. 1～6, fusion device comprises fusion device main body 1, the soleplate contact surface 11 of fusion device main body 1 is provided with the aperture 9 for filling bone grafting, fusion device main body 1 is comprised of the first fusion component 2, the second fusion component 3 and the 3rd fusion component 4 successively, and each fusion component inside is hollow-core construction.Each fusion component is inner is convenient to place bone graft for hollow-core construction, and the soleplate contact surface 11 of fusion device main body 1 is provided with a plurality of apertures 9 for filling bone grafting, is beneficial to bone-graft fusion.Be respectively equipped with the concave surface 10 and the convex surface 12 that are complementary on the joint face of two adjacent fusion component, by concave surface 10, with convex surface 12, be connected successively, be convenient to involutory placement between the intervertebral disc fusion component, prevent the slip between fusion component, play the fixedly effect of fusion device main body 1.The first fusion component 2, be equipped with jack 5 and screw hole 6 on joint face between the second fusion component 3 and the 3rd fusion component 4 and the bottom surface of the 3rd fusion component 4, each fusion component is relatively fixing, also be provided with four fixed screw holes 7 and sealing strip 8 on the bottom surface of the 3rd fusion component 4, fixing screw by four fixed screw holes 7 fixes fusion device main body 1 and upper hypocentrum, sealing strip 8 overlaps the through hole 82 on sealing strip by rotating shaft 81 rotations with jack 5, jack 5 is identical with through hole 82 specifications, and fix by screw means, preventing from being fixed on set bolt on each fusion component exits, play the fixing effect of sealing.
But the combined intervertebral disc fusion device assembly that a kind of Wicresoft implants, but comprise the combined intervertebral disc fusion device that a kind of Wicresoft implants, also comprise gatherer, as shown in Figure 7, the handle 131 of import tool body 13 is provided with salient point 133, is convenient in operation process to carry out necessary knocking, import tool body 13 importing end 132 be provided with arc hook 134, arc hook 134 can be inserted into the jack 5 of each fusion component, and auxiliary fusion device imports in vertebral body.The length of each fusion component of fusion device main body 1 is 30～35mm, and thickness is 7～12mm, can be according to the fusion component that struts height different choice different model between vertebra.
During operation, at first from the little otch of lumbar vertebral posterior, enter, vertebral plate decompression and excision vertebral pulp, window 17 from the operation of intervertebral disc 15, the jack 5 that utilizes the arc hook 134 on import tool 13 to insert on the first fusion component 2 is pushed into the vertebral body far-end by the first fusion component 2, then implant the second fusion component 3 by identical method, with convex surface, 12 docking are connected the concave surface 10 of the first fusion component and the second fusion component, play anti-skidding fixing effect, again by identical method, implant the 3rd fusion component 4, with convex surface, 12 docking are connected the concave surface 10 of the second fusion component 3 and the 3rd fusion component 4, then pass the screw hole 6 of each fusion component with a set bolt, each fusion component of fusion device main body 1 is fixed relatively.Fix screw by four fixed screw holes 7 on the 3rd fusion component 4 the fusion device main body of intervertebral disc 15 1 is fixing with upper vertebral body 14 and hypocentrum 16, strip of paper used for sealing mouth 8 on the 3rd fusion component is by rotating shaft 81 rotations, make the through hole 82 on sealing strip overlap with jack 5, then fix by a screw means, prevent that the set bolt be fixed on each fusion component screw hole 6 from skidding off.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations of doing according to patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.

Claims (10)

1. the combined intervertebral disc fusion device that but a Wicresoft implants, comprise fusion device main body (1), the soleplate contact surface (11) of fusion device main body (1) is provided with the aperture (9) for filling bone grafting, it is characterized in that: fusion device main body (1) is comprised of the first fusion component (2), the second fusion component (3) and the 3rd fusion component (4) successively, and each fusion component inside is hollow-core construction.
2. the combined intervertebral disc fusion device that but a kind of Wicresoft according to claim 1 implants, is characterized in that: be respectively equipped with the concave surface (10) and the convex surface (12) that are complementary on the joint face of two adjacent fusion component.
3. the combined intervertebral disc fusion device that but a kind of Wicresoft according to claim 1 implants, is characterized in that: on the joint face between the first fusion component (2), the second fusion component (3) and the 3rd fusion component (4) and the bottom surface of the 3rd fusion component (4), be equipped with jack (5) and screw hole (6).
4. the combined intervertebral disc fusion device that but a kind of Wicresoft according to claim 3 implants, is characterized in that: also be provided with four fixed screw holes (7) and sealing strip (8) on the bottom surface of the 3rd fusion component (4).
5. the combined intervertebral disc fusion device that but a kind of Wicresoft according to claim 4 implants, it is characterized in that: four fixed screw holes (7) are evenly distributed in the top and the bottom of the bottom surface screw hole (6) of the 3rd fusion component (4), and sealing strip (8) is provided with rotating shaft (81) and through hole (82).
6. the combined intervertebral disc fusion device that but a kind of Wicresoft according to claim 5 implants, it is characterized in that: jack (5) is identical with through hole (82) specification.
7. the combined intervertebral disc fusion device that but a kind of Wicresoft according to claim 1 implants, it is characterized in that: the length of the first fusion component (2), the second fusion component (3) and the 3rd fusion component (4) is 30～35mm, and thickness is 7～12mm.
8. the combined intervertebral disc fusion device assembly that but a Wicresoft implants, but comprise the combined intervertebral disc fusion device that a kind of Wicresoft claimed in claim 3 implants, also comprise gatherer, it is characterized in that: gatherer comprises import tool body (13), import tool body (13) comprises handle (131) and imports end (132), handle (131) and importing end (132) intersect vertically, and are L shaped shape.
9. the combined intervertebral disc fusion device assembly that but a kind of Wicresoft according to claim 8 implants, it is characterized in that: the handle (131) of import tool body (13) is provided with salient point (133), imports end (132) and is provided with arc hook (134).
10. the combined intervertebral disc fusion device assembly that but a kind of Wicresoft according to claim 9 implants is characterized in that: jack (5) is complementary with the arc hook (134) on import tool body (13).
CN201310359506.7A 2013-08-16 2013-08-16 A kind of can Wicresoft implant combined spinal cage assembly Expired - Fee Related CN103494658B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
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
CN106073953A (en) * 2016-08-26 2016-11-09 常州好利医疗科技有限公司 Coordinated type Invasive lumbar fusion device
CN107898538A (en) * 2017-12-15 2018-04-13 苏州博习医疗科技有限公司 A kind of swell-shrink minimally invasive intervertebral shaping fusing device
CN111700716A (en) * 2020-06-24 2020-09-25 四川大学华西医院 Combined cervical vertebra uncinate vertebral joint fusion device

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EP0951879A2 (en) * 1998-04-23 1999-10-27 Medinorm Aktiengesellschaft Medizintechnische Produkte Device for connecting vertebrae of the spinal column
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WO2009042672A1 (en) * 2007-09-24 2009-04-02 University Of South Florida Vertebral body cage
WO2009076278A1 (en) * 2007-12-12 2009-06-18 Intelligent Implant Systems Load sharing interbody fusion device
CN201719409U (en) * 2010-06-30 2011-01-26 邓忠良 Minimally invasive combined type absorbable intervertebral fusing device
CN202386760U (en) * 2011-12-09 2012-08-22 中国科学院深圳先进技术研究院 Interbody fusion cage
US20130041469A1 (en) * 2011-08-11 2013-02-14 Jeff Phelps Interbody axis cage
CN103194814A (en) * 2013-04-07 2013-07-10 浙江四海氨纶纤维有限公司 Polymer for increasing speed for spinning fine-denier filaments in Nisshinbo dry process

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Publication number Priority date Publication date Assignee Title
EP0951879A2 (en) * 1998-04-23 1999-10-27 Medinorm Aktiengesellschaft Medizintechnische Produkte Device for connecting vertebrae of the spinal column
US6159211A (en) * 1998-10-22 2000-12-12 Depuy Acromed, Inc. Stackable cage system for corpectomy/vertebrectomy
WO2005034864A2 (en) * 2003-10-08 2005-04-21 University Of North Carolina At Chapel Hill Spine replacement system
CN101015477A (en) * 2007-02-16 2007-08-15 王建华 Minimally Invasive lumbar fusion device and its use method
WO2009042672A1 (en) * 2007-09-24 2009-04-02 University Of South Florida Vertebral body cage
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CN201719409U (en) * 2010-06-30 2011-01-26 邓忠良 Minimally invasive combined type absorbable intervertebral fusing device
US20130041469A1 (en) * 2011-08-11 2013-02-14 Jeff Phelps Interbody axis cage
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CN103194814A (en) * 2013-04-07 2013-07-10 浙江四海氨纶纤维有限公司 Polymer for increasing speed for spinning fine-denier filaments in Nisshinbo dry process

Cited By (5)

* Cited by examiner, † Cited by third party
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
CN106073953A (en) * 2016-08-26 2016-11-09 常州好利医疗科技有限公司 Coordinated type Invasive lumbar fusion device
CN107898538A (en) * 2017-12-15 2018-04-13 苏州博习医疗科技有限公司 A kind of swell-shrink minimally invasive intervertebral shaping fusing device
CN111700716A (en) * 2020-06-24 2020-09-25 四川大学华西医院 Combined cervical vertebra uncinate vertebral joint fusion device
CN111700716B (en) * 2020-06-24 2021-06-25 四川大学华西医院 Combined cervical vertebra uncinate vertebral joint fusion device

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