CN202211766U - Expansion-type vertebral interbody fusion cage - Google Patents
Expansion-type vertebral interbody fusion cage Download PDFInfo
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- CN202211766U CN202211766U CN2011201045336U CN201120104533U CN202211766U CN 202211766 U CN202211766 U CN 202211766U CN 2011201045336 U CN2011201045336 U CN 2011201045336U CN 201120104533 U CN201120104533 U CN 201120104533U CN 202211766 U CN202211766 U CN 202211766U
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- 230000004927 fusion Effects 0.000 title claims abstract description 58
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 12
- 230000006378 damage Effects 0.000 abstract description 6
- 208000002193 Pain Diseases 0.000 abstract description 5
- 238000002513 implantation Methods 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 208000014674 injury Diseases 0.000 description 4
- 208000010392 Bone Fractures Diseases 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 206010041591 Spinal osteoarthritis Diseases 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000000386 athletic effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 210000003041 ligament Anatomy 0.000 description 2
- 208000005198 spinal stenosis Diseases 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 230000008467 tissue growth Effects 0.000 description 2
- 208000000094 Chronic Pain Diseases 0.000 description 1
- 230000008468 bone growth Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 230000003412 degenerative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 230000001537 neural effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 208000001413 spine osteoarthritis Diseases 0.000 description 1
- 208000005801 spondylosis Diseases 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Neurology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
本实用新型涉及膨胀式椎体间融合器，其特征是：由若干个支撑体(11)和若干个可变形部件(12)构成，支撑体(11)的个数为可变形部件(12)个数的二倍；所述支撑体(11)固定连接在可变形部件(12)的两端；可变形部件(12)具有弹性结构、通过融合器两端的支撑体(11)的端面受力变形而向外撑开；由一个可变形部件(12)连接二个支撑体(11)构成单节膨胀式椎体间融合器；或者由若干个单节膨胀式椎体间融合器串联，构成多节膨胀式椎体间融合器。本实用新型在变形前体积小，便于插入脊椎的椎体间，对脊椎造成的伤害小；插入之后挤压变形，将脊椎椎体撑开，并通过固定装置固定于脊椎上，使之不易滑动，达到缓解疼痛的目的。结构简单、易于加工、植入方法操作简单等效果。
The utility model relates to an expandable intervertebral fusion device, which is characterized in that it is composed of several support bodies (11) and several deformable parts (12), and the number of the support bodies (11) is the deformable part (12). twice the number; the support body (11) is fixedly connected to the two ends of the deformable part (12); the deformable part (12) has an elastic structure, and the end faces of the support body (11) at both ends of the fusion device are stressed Deformed and stretched outward; a single-segment expandable intervertebral fusion device is formed by connecting two support bodies (11) with a deformable part (12); or several single-segment expandable intervertebral fusion devices are connected in series to form a Multi-segment expandable intervertebral fusion cage. The utility model has a small volume before deformation, is convenient to be inserted into the intervertebral body of the spine, and causes little damage to the spine; after insertion, it is squeezed and deformed to stretch the vertebral body, and is fixed on the spine by a fixing device to make it difficult to slide , to achieve the purpose of pain relief. The structure is simple, easy to process, and the implantation method is easy to operate.
Description
Technical field
This utility model relates to a kind of fusion device, particularly relates to a kind of expansion type BAK.Belong to technical field of medical instruments.
Background technology
Along with the increase at people's age, organizing all of whole body can be affected, and in vertebra, because degeneration, the annulus fibrosus disci intervertebralis structure can die down, and spondylosis is that spinal structure is degenerated and caused a kind of spinal osteoarthritis of afunction.Because vertebra has carried the most motion of human body, so athletic meeting stimulates the pain fiber in fibrous ring and the little joint of spine surface.When the landing of disc height degenerative, can cause spinal stenosis, thereby pressuring neural root causes vertebra root pain, athletic meeting aggravates the pain, and further compresses nerve root and injury nervous system.In the deterioration process, it is outstanding that intervertebral disc will become, or produce inter deterioration and chronic pain.
Therefore need work out the therapy that is used to alleviate this type slight illness of damaging minimum.General processing method is to adopt fusion device that the vertebral body of two or more vicinities is separated, thereby the disease that the factor by one type of spinal stenosis and articular surface disease is caused is able to alleviation.Fusion device commonly used has filling type or screw-in; Can fill the bone cage and other structure of skeleton and the inductive substance of inducing bone growth in addition; All above-mentioned substances are implanted between the contiguous vertebral body; Thereby vertebral body is strutted or adjacent vertebral body is merged, ache related to eliminate.In the prior art; Application number is that 200380103906.6 patent of invention discloses a kind of system and method that is used for spinal stabilization in the vertebra with distensible equipment; But and the structure of unexposed said expansible equipment; And this carrying method and conveying equipment are bigger to the damage that human body causes, and complicated operation.
Therefore, be necessary to provide a kind of simple in structure, and implant procedure gets up to keep as much as possible the complete of tissue such as spine, ligament, and reduce to treat a kind of spinal fusion device of the injury that causes.
The utility model content
The purpose of this utility model is in order to address the above problem, a kind of expansion type BAK to be provided, and has simple in structurely, and implant procedure gets up to keep as much as possible the complete of tissues such as spine, ligament, and reduces to treat the characteristics of the injury that causes.
The purpose of this utility model can reach through following measure:
The expansion type BAK, its construction features is: be made up of several supporters and several deformable component, the number of supporter is two times of deformable component number; Said supporter is fixedly connected on the two ends of deformable component; Deformable component has the end face stress deformation of elastic construction, the supporter through the fusion device two ends and outwards struts; Connect two supporters by a deformable component and constitute single-unit expansion type BAK; Perhaps, constitute more piece expansion type BAK by several single-unit expansion type BAK series connection.
In the practical application, said fusion device is put between two adjacent vertebra vertebral bodys, when the end face of the supporter at two ends is exerted pressure, thereby the deformable component compressive deformation is outwards strutted, finally reach the purpose that two adjacent vertebra vertebral bodys are strutted.
The purpose of this utility model can also reach through following measure:
A kind of embodiment of this utility model is: the quantity of supporter can be 2～16 even number, and is corresponding with the quantity of supporter, and the quantity of deformable component is 1～8 natural number; Each deformable component is fixedly connected with two supporters, forms the single-unit fusion device; Respectively with 2,3,4,5,6,7 or the series connection of 8 single-unit expansion type BAKs and the centrage of all single-unit expansion type BAKs is overlapped mutually, form have 2 joints, the more piece expansion type BAK of 3 joints, 4 joints, 5 joints, 6 joints, 7 joints or 8 joint structures.
A kind of embodiment of this utility model is: deformable component can be overall structure, and its shape can be hollow cylinder or hollow prism.
A kind of embodiment of this utility model is: deformable component can be the split structure, is made up of two strip structure that are symmetrically distributed with the axis of upper edge supporter.
A kind of embodiment of this utility model is: the edge of adjacent strip structure can contact with each other, and forms opening.
A kind of embodiment of this utility model is: the edge of adjacent strip structure can be spaced-apart, and form at interval.When not being out of shape, surround the hollow cylinder of a side hollow out by several strip structure; Like this, can reduce material, alleviate the overall weight of fusion device, and during compressive deformation, can be not interlaced between the adjacent strip structure, to guarantee the maximum support effect.
A kind of embodiment of this utility model is: the junction at deformable component and supporter can be provided with connecting portion, and the middle part of deformable component is provided with kink, and the cross section at other position of the cross section variable ratio shape parts of kink is little.
A kind of embodiment of this utility model is: said supporter and deformable component can be one-body molded, form the hollow cylinder structure; The two ends of hollow cylinder structure are respectively supporter, and its middle part, side hollow out, some strip structure that are symmetrically distributed along the axis of hollow cylinder structure of formation constitute deformable component by these strip structure.
A kind of embodiment of this utility model is: said supporter can be processed by titanium, aluminum, titanium alloy or aluminium alloy.
A kind of embodiment of this utility model is: said deformable component can be processed by titanium, aluminum, titanium alloy or aluminium alloy.
The beneficial effect of this utility model is:
1, this utility model is little in the distortion front volume, is convenient to insert between the vertebral body of vertebra, and is little to the injury that vertebra causes; Through crimp, the vertebra vertebral body is strutted after inserting, reach lenitive purpose, can also in deformable component, fill in materials such as broken bone, but, have simple in structurely, be easy to process and beneficial effect easy to use to induce the bone tissue growth rehabilitation.
2, this utility model can be made into the expansion type BAK of single-unit or multi-section structure, is applicable to the sick body of different symptoms, has the extensive beneficial effect of the scope of application.
Description of drawings
Fig. 1 is the preceding structural representation of fusion device distortion of this utility model specific embodiment 1.
Fig. 2 is the structural representation after the fusion device of this utility model specific embodiment 1 is out of shape.
Fig. 3 is with the structural representation behind the described fusion device implantation vertebra of this utility model.
Fig. 4 is the preceding structural representation of fusion device distortion of this utility model specific embodiment 2.
Fig. 5 is the structural representation after the fusion device of this utility model specific embodiment 2 is out of shape.
Fig. 6 is the preceding structural representation of fusion device distortion of this utility model specific embodiment 3.
Fig. 7 is the preceding structural representation of fusion device distortion of this utility model specific embodiment 4.
Fig. 8 is the preceding structural representation of fusion device distortion of this utility model specific embodiment 5.
Fig. 9 is the preceding structural representation of fusion device distortion of this utility model specific embodiment 6.
Figure 10 is the structural representation after the fusion device of this utility model specific embodiment 6 is out of shape.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment this utility model is done further to describe in detail:
Specific embodiment 1:
See figures.1.and.2, present embodiment is made up of with several deformable component 12 several supporters 11, and the number of supporter 11 is two times of deformable component 12 numbers; Said supporter 11 is fixedly connected on the two ends of deformable component 12; Deformable component 12 has the end face stress deformation of elastic construction, the supporter 11 through the fusion device two ends and outwards struts; Connect two supporters 11 by a deformable component 12 and constitute single-unit expansion type BAK; Perhaps, constitute more piece expansion type BAK by several single-unit expansion type BAK series connection.
In the present embodiment:
Said deformable component 12 is an overall structure, and its profile is a hollow cylinder.
Said supporter 11 can adopt identical or different material to form with deformable component 12, preferably adopts identical material to form, so that machine-shaping; Said supporter 11 adopts titanium, aluminum, titanium alloy or aluminum alloy materials to process.Said deformable component 12 adopts titanium, aluminum, titanium alloy or aluminum alloy materials to process.
Outwardly-bent when guaranteeing deformable component 12 distortion; Can be before inserting fusion device in the vertebra; Deformable component 12 is carried out slight preparatory crimp in advance, deformable component 12 is outwards strutted slightly, when after inserting vertebra, pushing like this; Deformable component 12 will continue distortion along the direction of preparatory crimp, reach the purpose that outwards struts.With guarantee when extruding deformable component 12 outwards strut, rather than cave inward.
In order to guarantee that deformable component 12 can not produce deflection or distortion when being out of shape; Can insert a locating bar at the center of said spinal fusion device, and make the centrage of fusion device consistent, after fusion device is inserted vertebra and crimp with locating bar; Locating bar does not also stress, and can not be out of shape.So after the fusion device distortion, its centrage is consistent with the centrage of locating bar, keep the preceding direction of distortion, can deflection or distortion.After inserting said fusion device in the vertebra, can locating bar be extracted out, and in deformable component 12, fill in the material that broken bone etc. is induced bone tissue growth, to accelerate rehabilitation.
As shown in Figure 3; For this utility model spinal fusion device inserts the interpyramidal sketch map of vertebra; When fusion device 1 inserts between two adjacent vertebra vertebral bodys 2 and the vertebra vertebral body 3; Fusion device 1 is held between the two, and through 12 compressive deformations of the deformable component in the fusion device both is strutted certain distance, thereby realizes the purpose that the vertebra vertebral body struts.
Below further specify the installation method of this utility model spinal fusion device: at first,, reserve the gap so that the spinal fusion device inserts wherein at the motion segment otch of vertebra; Then, locating bar is inserted in the spinal fusion device, and said spinal fusion device is inserted between two adjacent vertebra vertebral bodys; Then, adopt the two ends of operating equipment with clamping fusion device supporter 11, and apply in opposite directions pressure so that the deformable component in the fusion device 12 deforms, evagination also supports two adjacent vertebral bodys, thereby both are strutted certain distance; Then, take out locating bar, inner and insert broken bone on every side at fusion device; At last, sew up wound.
Specific embodiment 2:
With reference to Fig. 4 and Fig. 5, the characteristics of present embodiment are: said deformable component 12 is made up of several strip structure 12-1, and the edge of adjacent strip structure 12-1 contacts with each other and form opening 12-2.When not being out of shape, surround a hollow cylinder by several strip structure 12-1, opening 12-2 is the slit of a closure; When supporter 11 pressure at two ends, each strip structure 12-1 all outwards struts, and opening 12-2 splits.Certainly also can be overlapping between the deformable component 12 among this embodiment, as long as it can reach the stressed effect that outwards struts.Other are identical with specific embodiment 1.
Specific embodiment 3:
With reference to Fig. 6, the characteristics of present embodiment are: said deformable component 12 is made up of 4 strip structure 2-1, and the edge of adjacent strip structure 2-1 is spaced-apart, and form 2-3 at interval.When not being out of shape, surround the hollow cylinder of a side hollow out by several strip structure 2-1; Like this, can reduce material, alleviate the overall weight of fusion device, and during compressive deformation, can be not interlaced between the adjacent strip structure, to guarantee the maximum support effect.Other are identical with specific embodiment 1.
Specific embodiment 4:
With reference to Fig. 7; The characteristics of present embodiment are: the junction between said deformable component 12 and the supporter 11 is provided with connecting portion 12-4; The middle part of deformable component 12 is provided with kink 12-5, and the cross-sectional area at other position of the cross-sectional area variable ratio shape parts 12 of kink 12-5 is little.Simultaneously, in order further to reduce the required pressure of its distortion, said connecting portion 12-4 also can design carefullyyer.Like this, during the two ends pressurized of said deformable component 12, the suffered pressure in center is maximum, and distortion at first to outer lug, to reduce its comprcssive strength, reduces distortion and outwards struts required pressure, makes its easy deformation.Other are identical with specific embodiment 3.
Specific embodiment 5:
With reference to Fig. 8, the characteristics of present embodiment are: said supporter 11 and deformable component 12 one-body molded, formation hollow cylinder structures; The two ends of hollow cylinder structure are respectively supporter 11, its middle part, side hollow out, 4 strip structure 12-1 that are symmetrically distributed along the axis of hollow cylinder structure of formation, and 12-1 constitutes deformable component 12 by these strip structure.Other are identical with specific embodiment 4.
Specific embodiment 6:
When the long fusion device of needs; Can adopt long deformable component 12,, but can make the support force of deformable component 12 after distortion big inadequately like this with the length of increase fusion device; So can the two ends of a plurality of specific embodiment 1 described fusion devices be connected successively; Form long more piece spinal fusion device,, also can not reduce the support force that deformable component 12 distortion backs produce vertebra simultaneously to reach the length that needs.
With reference to Fig. 9 and Figure 10, the characteristics of present embodiment are: the quantity of said supporter 11 is 8, and corresponding with it, the quantity of said deformable component 12 is 4; The two ends of each deformable component 12 are fixedly connected, form the single-unit fusion device with a supporter 11 respectively; 4 single-unit fusion devices are fixedly connected sequentially and the centrage of all fusion devices is overlapped mutually, can form 4 joint fusion devices.When power shown in arrow among Figure 10 is exerted pressure at the two ends of this 4 joint fusion device, deformable component 2 is stress deformation simultaneously, and during distortion, the outer convex direction of each deformable component 12 is consistent, makes 4 joint fusion devices reach the purpose that struts vertebra.Other are identical with specific embodiment 1,2,3,4 or 5.
Other embodiment:
The quantity of supporter 1 is 2,4,6,10,12,14,16 or more a plurality of, and corresponding with it, the quantity of said deformable component 12 is 1,2,3,5,6,7,8 or more a plurality of; The two ends of each deformable component 12 are fixedly connected, form the single-unit fusion device with a supporter 11 respectively; Respectively with 2,3,5,6,7,8 or more a plurality of single-unit fusion device is fixedly connected sequentially and the centrage of all fusion devices is overlapped mutually, can form 2 joints, 3 joints, 5 joints, 6 joints, 7 joints, 8 or more piece fusion device more respectively.Said deformable component 12 is an overall structure, and its profile is a hollow prism shape.Said deformable component 12 is made up of two, three, four, five, six, eight, ten, 12,16,20 or the strip structure 12-1 that more is symmetrically distributed along the axis of supporter 11, and the two ends of each strip structure 12-1 are fixedly connected with a supporter 11 respectively.
The above; Be merely the preferable specific embodiment of this utility model; But the protection domain of this utility model is not limited thereto; Any technical staff who is familiar with the present technique field is equal to replacement or changes according to the technical scheme of this utility model and utility model design thereof in the scope that this utility model discloses, and all belongs to the protection domain of this utility model.
Claims (10)
1. expansion type BAK is characterized in that: be made up of several supporters (11) and several deformable component (12), the number of supporter (11) is two times of deformable component (12) number; Said supporter (11) is fixedly connected on the two ends of deformable component (12); Deformable component (12) has the end face stress deformation of elastic construction, the supporter (11) through the fusion device two ends and outwards struts; Connect two supporters (11) by a deformable component (12) and constitute single-unit expansion type BAK; Perhaps, constitute more piece expansion type BAK by several single-unit expansion type BAK series connection.
2. expansion type BAK according to claim 1 is characterized in that: the quantity of supporter (11) is 2～16 even number, and is corresponding with the quantity of supporter (11), and the quantity of deformable component (12) is 1～8 natural number; Each deformable component (12) is fixedly connected with two supporters (11), forms single-unit expansion type BAK; Respectively with 2,3,4,5,6,7 or the series connection of 8 single-unit expansion type BAKs and the centrage of all single-unit expansion type BAKs is overlapped mutually, form have 2 joints, the more piece expansion type BAK of 3 joints, 4 joints, 5 joints, 6 joints, 7 joints or 8 joint structures.
3. expansion type BAK according to claim 1 and 2 is characterized in that: deformable component (12) is an overall structure, and it is shaped as hollow cylinder or hollow prism.
4. expansion type BAK according to claim 1 and 2 is characterized in that: deformable component (12) is made up of two strip structure (12-1) that are symmetrically distributed with the axis of upper edge supporter (11) for dividing body structure.
5. expansion type BAK according to claim 4 is characterized in that: the edge of adjacent strip structure (12-1) contacts with each other, and forms opening (12-2).
6. expansion type BAK according to claim 4 is characterized in that: the edge of adjacent strip structure (12-1) is spaced-apart, and forms interval (12-3).
7. expansion type BAK according to claim 6; It is characterized in that: the junction at deformable component (12) and supporter (11) is provided with connecting portion (12-4); The middle part of deformable component (12) is provided with kink (12-5), and the cross section at other position of the cross section variable ratio shape parts (12) of kink (12-5) is little.
8. expansion type BAK according to claim 1 and 2 is characterized in that: said supporter (11) and deformable component (12) are one-body molded, formation hollow cylinder structure; The two ends of hollow cylinder structure are respectively supporter (11), and its middle part, side hollow out, some strip structure (12-1) that are symmetrically distributed along the axis of hollow cylinder structure of formation constitute deformable component (12) by these strip structure (12-1).
9. expansion type BAK according to claim 1 and 2 is characterized in that: said supporter (11) is processed by titanium, aluminum, titanium alloy or aluminium alloy.
10. expansion type BAK according to claim 1 and 2 is characterized in that: said deformable component (2) is processed by titanium, aluminum, titanium alloy or aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201045336U CN202211766U (en) | 2011-04-11 | 2011-04-11 | Expansion-type vertebral interbody fusion cage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201045336U CN202211766U (en) | 2011-04-11 | 2011-04-11 | Expansion-type vertebral interbody fusion cage |
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| CN202211766U true CN202211766U (en) | 2012-05-09 |
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| CN2011201045336U Expired - Fee Related CN202211766U (en) | 2011-04-11 | 2011-04-11 | Expansion-type vertebral interbody fusion cage |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104665961A (en) * | 2013-12-02 | 2015-06-03 | 苏州点合医疗科技有限公司 | Anti-shift integral expansion type intervertebral fusion device |
| CN105943204A (en) * | 2016-05-24 | 2016-09-21 | 中山市世医堂医疗器械有限公司 | An expandable spinal fusion cage |
| CN107349033A (en) * | 2016-06-30 | 2017-11-17 | 李照文 | Adjustable intervertebral fusion device |
| CN108113781A (en) * | 2017-12-12 | 2018-06-05 | 广州爱锘德医疗器械有限公司 | Adjustable for height threaded fusion cage |
| CN110769784A (en) * | 2016-10-25 | 2020-02-07 | 肌肉骨骼科学教育研究所有限公司 | Implant with protected fusion zone |
| WO2022010093A1 (en) * | 2020-07-10 | 2022-01-13 | 경북대학교 산학협력단 | Vertebral cage |
| CN114227661A (en) * | 2021-10-30 | 2022-03-25 | 关春东 | Multipurpose mechanical arm based on electric artificial muscle |
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2011
- 2011-04-11 CN CN2011201045336U patent/CN202211766U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104665961A (en) * | 2013-12-02 | 2015-06-03 | 苏州点合医疗科技有限公司 | Anti-shift integral expansion type intervertebral fusion device |
| CN105943204A (en) * | 2016-05-24 | 2016-09-21 | 中山市世医堂医疗器械有限公司 | An expandable spinal fusion cage |
| CN107349033A (en) * | 2016-06-30 | 2017-11-17 | 李照文 | Adjustable intervertebral fusion device |
| CN110769784A (en) * | 2016-10-25 | 2020-02-07 | 肌肉骨骼科学教育研究所有限公司 | Implant with protected fusion zone |
| CN110769784B (en) * | 2016-10-25 | 2022-04-05 | 肌肉骨骼科学教育研究所有限公司 | Implant with protected fusion zone |
| US11452611B2 (en) | 2016-10-25 | 2022-09-27 | Institute for Musculoskeletal Science and Education, Ltd. | Implant with protected fusion zones |
| CN108113781A (en) * | 2017-12-12 | 2018-06-05 | 广州爱锘德医疗器械有限公司 | Adjustable for height threaded fusion cage |
| WO2019114345A1 (en) * | 2017-12-12 | 2019-06-20 | 广州爱锘德医疗器械有限公司 | Height-adjustable vertebral fusion cage |
| CN108113781B (en) * | 2017-12-12 | 2019-11-26 | 广州爱锘德医疗器械有限公司 | Height-adjustable threaded fusion cage |
| WO2022010093A1 (en) * | 2020-07-10 | 2022-01-13 | 경북대학교 산학협력단 | Vertebral cage |
| CN114227661A (en) * | 2021-10-30 | 2022-03-25 | 关春东 | Multipurpose mechanical arm based on electric artificial muscle |
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