CN206587073U - A kind of adjustable artificial vertebral body of homeostasis - Google Patents
A kind of adjustable artificial vertebral body of homeostasis Download PDFInfo
- Publication number
- CN206587073U CN206587073U CN201621259603.4U CN201621259603U CN206587073U CN 206587073 U CN206587073 U CN 206587073U CN 201621259603 U CN201621259603 U CN 201621259603U CN 206587073 U CN206587073 U CN 206587073U
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- vertebral body
- hypocentrum
- artificial vertebral
- centrum
- upper centrum
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- 230000013632 homeostatic process Effects 0.000 title claims abstract description 13
- 238000007598 dipping method Methods 0.000 claims description 2
- 210000000988 bone and bone Anatomy 0.000 description 19
- 230000006872 improvement Effects 0.000 description 11
- 230000008901 benefit Effects 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 230000004927 fusion Effects 0.000 description 4
- 238000002513 implantation Methods 0.000 description 4
- 230000004072 osteoblast differentiation Effects 0.000 description 4
- 230000001582 osteoblastic effect Effects 0.000 description 4
- 230000002980 postoperative effect Effects 0.000 description 4
- 230000035755 proliferation Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 208000019505 Deglutition disease Diseases 0.000 description 2
- 206010041591 Spinal osteoarthritis Diseases 0.000 description 2
- 230000004956 cell adhesive effect Effects 0.000 description 2
- 208000036319 cervical spondylosis Diseases 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 208000005801 spondylosis Diseases 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 208000003618 Intervertebral Disc Displacement Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000035965 Postoperative Complications Diseases 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 230000001771 impaired effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 210000003800 pharynx Anatomy 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- 201000005671 spondyloarthropathy Diseases 0.000 description 1
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Abstract
A kind of adjustable artificial vertebral body of homeostasis, for being implanted into corpus vertebrae, including upper centrum, hypocentrum and locking member, the upper centrum is plugged in the hypocentrum, locating part is provided between the upper centrum and the hypocentrum, the locking member includes locking nut and retaining ring, and the hypocentrum is threadedly coupled with the locking nut, the upper centrum is located in the locking nut, and the upper centrum can be adjusted vertically；The retaining ring is located in locking nut, and the retaining ring is elastic component, and the locking ring resilience is pressed on the side wall of the upper centrum.The utility model is adjustable with respect to locking member by upper centrum so that artificial vertebral body can accordingly be adjusted according to the demand of different vertebral heights, meets the demand of single and multiple Subtotal vertebrectomy operations.And fixed upper centrum and hypocentrum by retaining ring, solve the problem of artificial vertebral body is bounced back by external force.
Description
Technical field
The present invention relates to the technical field of artificial cervical centrum, more particularly to can adjust vertically, itself fixed form it is steady
Qualitative good artificial cervical centrum.
Background technology
Cervical spondylosis is the major fields in spinal surgery, for the operative treatment of various cervical spondylosis patients, especially
The lesion such as cervical spondylopathy and fracture of cervical spine, infection, tumour caused by Cervical Disk Herniation, the key one of operation is depressurized, it is necessary to solve
Except the factor of compressing spinal cord or nerve root, to promote the recovery early of postoperative nerve function；Two be stable, passes through all kinds
Fusion, using different implantation materials rebuild postoperative surgical section at once and long-time stability.
The artificial vertebral bodies such as existing X-Mesh, Synex can replace impaired centrum, and mechanism is strutted by itself,
To adapt to the height requirement of different centrums, cause artificial vertebral body to be vulnerable to external force and occur rebound phenomenon.By middle bone grafting, realize
Fixed with the auxiliary of neighbouring interpyramidal fusion, and the preceding road of combination or the way of escape.But existing artificial cervical centrum lacks
Fixed with adjacent vertebra up and down, artificial vertebral body easily occur and loosen and deviate from, it is necessary to while other preceding roads or fracture or dislocation be used in combination
Device, causes operating time and damage increase, and postoperative complications increase, stability at later stage difference etc..Aid in preceding road titanium plate or screw-rod
Fixation is that eccentricity is fixed, and there is the complication such as stress shielding and Unstable internal fixation, is had necessarily to spinal biomechanicses performance
Influence.And the complication such as preceding road titanium plate has certain thickness, can be caused after inserting, dysphagia.Above and below preceding road artificial vertebral body
The syncretizing effect of surface and adjacent vertebral is poor, and bone information easily occurs for the later stage, causes loosening.
The content of the invention
Can be adjusted vertically there is provided one kind it is an object of the invention to the shortcoming for overcoming prior art, itself fixation side
The good artificial vertebral body of formula stability.
To solve the problem of artificial vertebral body is bounced back by external force, and existing artificial vertebral body needs to use auxiliary solid
Determine device, cause operating time length, wound increase, the technical problem more than complication.
Present invention employs following technical measures：
A kind of adjustable artificial vertebral body, it is described for being implanted into corpus vertebrae, including upper centrum, hypocentrum and locking member
Upper centrum is plugged in the hypocentrum, and locating part is provided between the upper centrum and the hypocentrum, and the locking member includes
Locking nut and retaining ring, the hypocentrum are threadedly coupled with the locking nut, and the upper centrum is located in the locking screw
In female, the upper centrum can be adjusted vertically；The retaining ring is located in locking nut, and the retaining ring is elastic component, described
Locking ring resilience is pressed on the side wall of the upper centrum.
The present invention can also be further perfect by following technical measures：
As a further improvement, the hypocentrum is provided with through hole, the upper centrum is correspondingly provided with stopper slot, the locating part
Coordinate through the through hole and the stopper slot, the stopper slot limits the scope that the upper centrum is axially moveable.
As a further improvement, offer dashpot in the retaining ring, the dashpot opening up or down,
The opening up dashpot is arranged alternately successively with the downward opening dashpot, the middle convex of the retaining ring
Rise, the two ends necking of the retaining ring.
As a further improvement, the medial surface of the retaining ring is corrugated surface.
As a further improvement, the upper centrum is hollow structure, the top of the upper centrum is provided with upper connection end, described
The top surface of upper connection end is cambered surface；The hypocentrum is hollow structure, and the bottom of the hypocentrum is provided with lower connection end, it is described under
The bottom surface of connection end is inclined-plane.
As a further improvement, the cambered surface includes multiple straightways, the 5th straightway in the cambered surface with it is described tiltedly
Angle between face is C, wherein, 10 °≤C≤20 °.
As a further improvement, the cambered surface on the inclined-plane with being respectively equipped with tooth-shape structure.
As a further improvement, the cambered surface has surface-treated layer respectively with the inclined-plane, the surface-treated layer is in
Tooth-shape structure, the surface-treated layer has densely covered hole.
As a further improvement, also including connector, the upper connection end is respectively equipped with the lower connection end and leaned outward
Oblique fixing hole, the connector is connected through fixing hole with corpus vertebrae.
As a further improvement, including four connectors, being divided into two groups and being respectively provided at the upper connection end and the lower company
Connect on end, every group of each two connector, the angle between same group of two connectors is B, wherein, 0 °≤B≤10 °；It is described
The angle of connector relative level is A, wherein, 10 °≤A≤20 °.
As a further improvement, the upper centrum on the side wall of the hypocentrum with offering bone grafting window, the bone grafting
Window is in matrix distribution, and the bone grafting window assumes diamond in shape.
Compared with prior art, the present invention has advantages below：
1st, it is upper centrum is adjustable with respect to locking member so that artificial vertebral body can be according to different vertebral heights after vertebral resection
Demand is adjusted accordingly, meets the demand of single and multiple Subtotal vertebrectomy operations.And by retaining ring by upper centrum with
Centrum is fixed, and is had the advantages that self stability is good, is solved the problem of artificial vertebral body is bounced back by external force.
The 2nd, retaining ring is set to the structure of middle outwardly convex, and reasonable layout dashpot successively.So that retaining ring
Upper centrum and hypocentrum are fixed after by lower effective crimp, it is ensured that highly stable after regulation.
3rd, the medial surface of retaining ring is set to corrugated surface so that frictional force during retaining ring generation elastic deformation with upper centrum
The stability that centrum is fixed with hypocentrum in increase, raising.
4th, the top surface of upper centrum is set to cambered surface, increases the contact area of centrum and corpus vertebrae, increase bone long
The area entered, allows the later stage to fix and more stablizes distribution of force also than more uniform.
5th, the bottom surface of hypocentrum is set to inclined-plane, and C angles is formed with the 5th straightway of upper centrum.So that artificial vertebral body
Two end faces at an angle, with corpus vertebrae formation angled support mode, effectively prevent artificial vertebral body displacement, loosening.
6th, tooth-shape structure is respectively equipped with cambered surface and inclined-plane, is designed by using pointed tooth, with anti-heavy pressure and anti-skidding work
With the Initial stability after increase implantation.
7th, by process of surface treatment, there is surface-treated layer, the surface-treated layer tool respectively in cambered surface and inclined-plane
There are osteoacusis, self-bone grafting, osteoblastic proliferation, osteoblast differentiation.The surface-treated layer has densely covered hole,
Described hole has further facilitation to osteoacusis, self-bone grafting, osteoblastic proliferation, osteoblast differentiation.So that and vertebra
The Place cell adhesive capacity of body contact is strong, promotes Bone Ingrowth by surface-treated layer, effectively accelerates artificial vertebral body and human body vertebra
The bone fusion of body, accelerates the rehabilitation duration of patient.
8th, by directly setting connector on upper centrum and hypocentrum, and the angle of connector relative level is A angles
Angle between degree, same group of two connectors is B angles.Fixed using centrality and the design of zero incisura is reduced to gas around
The stimulation of the tissues such as pipe, oesophagus, the fixation without aiding in titanium plate reduces postoperative dysphagia incidence.With operation wound it is small,
Short, easily operated, small to the damaging surrounding tissue advantage of operating time.
Brief description of the drawings
Accompanying drawing 1 is the schematic diagram in adjustable artificial vertebral body implantation corpus vertebrae of the invention；
Accompanying drawing 2 is the decomposing schematic representation of adjustable artificial vertebral body shown in accompanying drawing 1；
Accompanying drawing 3 is the rearview of adjustable artificial vertebral body shown in accompanying drawing 2；
Accompanying drawing 4 is the right view of adjustable artificial vertebral body shown in accompanying drawing 2；
Accompanying drawing 5 is the main sectional view of adjustable artificial vertebral body shown in accompanying drawing 2；
Accompanying drawing 6 is contact area schematic diagram when upper centrum contacts with corpus vertebrae shown in accompanying drawing 2；
Accompanying drawing 7 is the partial schematic diagram of top surface in adjustable artificial vertebral body shown in accompanying drawing 5.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is refer to, a kind of two ends of adjustable artificial vertebral body 100 are respectively equipped with connection end 11 and lower connection end
21, the upper connection end 11 is respectively equipped with outward-dipping fixing hole 111,211 with the lower connection end 21.Including connector
30, the connector 30 is connected through fixing hole 111,211 with corpus vertebrae 200, and the connector 30 can specifically select spiral shell
Nail, bolt etc..
The connected mode of the connector 30 and fixing hole 111,211 mainly has two kinds, and a kind of is universal attachment structure,
The angle of nail can be adjusted according to the actual conditions of patient in implantation process；Another is the connection knot of fixed angle
Structure, 30 groups of the connector enters after fixing hole 111,211 in fixed angle, can be selected as needed before surgery.
It refer to Fig. 4, it is preferred that including four connectors 30, be divided into two groups and be respectively provided at the upper connection end 11 and institute
State on lower connection end 21, every group of each two connector 30.Angle between same group of two connectors 30 is B, wherein, 0 °≤
B≤10°；It is furthermore preferred that 6 °≤B≤9 °.Wherein, the axis of same group of two connectors 30 is in the same plane, folder
Angle B refers to the angle between two axis.Fig. 3 is refer to, the angle of the relative level of connector 30 is A, wherein, 10 °
≤A≤20°；It is furthermore preferred that 15 °≤A≤20 °.Wherein, included angle A refers to the angle of the axis relative level of connector 30.
By directly setting connector 30 on artificial vertebral body 100, and the angle of the relative level of connector 30 is A angles
Angle between degree, same group of two connectors 30 is B angles.Fixed using centrality and the design of zero incisura, with once
The advantage stablized, without aiding in titanium plate to fix, reduces the stimulation to being organized before the vertebras such as peripheral airways, oesophagus, reduces postoperative gulp down
The difficult incidence of pharynx.Have the advantages that operation wound is small, operating time is short, easily operated, small to damaging surrounding tissue.
Fig. 2 and Fig. 5 are refer to, adjustable artificial vertebral body 100 includes upper centrum 10, hypocentrum 20, locking member 40 and limit
Position part 50, the locking member 40 includes locking nut 41 and retaining ring 42.The hypocentrum 20 and the screw thread of locking nut 41
Connection, the upper centrum 10 is located in the locking nut 41, and the upper centrum 10 can be adjusted vertically.The retaining ring 42
It is located in locking nut 41, the retaining ring 42 is elastic component, the elasticity of retaining ring 42 is pressed on the side of the upper centrum 10
On wall.
Fig. 2 is refer to, the upper centrum 10 includes offering in upper connection end 11 and upper vertebra portion 12, the upper vertebra portion 12 admittedly
Determine groove 123, the lateral wall in the upper vertebra portion 12 is corrugated surface.The hypocentrum 20 includes lower connection end 21 and lower vertebra portion 22, institute
State and through hole 223 is offered in lower vertebra portion 22, the locating part 50 passes through the through hole 223 and the tight fit of fixing groove 123.
It is upper centrum 10 is adjustable with respect to locking member 40 so that artificial vertebral body 100 can be according to the demands of different vertebral heights
Corresponding regulation, meets the demand of single and multiple Subtotal vertebrectomy operations.And will be upper with locating part 50 by retaining ring 42
Centrum 10 is fixed with hypocentrum 20, solves the problem of artificial vertebral body 100 is bounced back by external force.
It refer to Fig. 2, the retaining ring 42 is in square wave configuration, the retaining ring 42 includes multiple opening up U successively
Type unit 421 and downward opening U-shaped unit 421, the middle outwardly convex of the retaining ring 42, the two ends of the retaining ring 42
Necking.Retaining ring 42 is set to the structure of middle outwardly convex, and the square wave configuration of reasonable layout breach successively.So that lock
Tight ring 42 fixes upper centrum 10 and hypocentrum 20 after by lower effective crimp, it is ensured that highly stable after regulation.And
During regulation, when the locking nut 41 does not coordinate with the hypocentrum 20, the retaining ring 42 is not deformed so that on described
Centrum 10 can smoothly be adjusted.
Fig. 5 is refer to, the medial surface 422 of the retaining ring 42 is corrugated surface, the phase of corrugated surface 122 with the upper vertebra portion 12
Contact, can produce larger frictional force.The medial surface 422 of retaining ring 42 is set to corrugated surface so that elasticity occurs for retaining ring 42
Frictional force during deformation with upper centrum 10 increases, the stability that centrum 10 is fixed with hypocentrum 20 in raising.
Fig. 5 is refer to, the upper centrum 10 is structure as a whole, the upper centrum 10 is hollow structure.The hypocentrum 20
It is structure as a whole, the hypocentrum 20 is hollow structure.The upper centrum 10 and the hypocentrum 20 are used into hollow design
Structure, adds the compression strength between artificial vertebral body 100 and corpus vertebrae 200.
Fig. 2 is refer to, the top of the upper centrum 10 is provided with upper connection end 11, and the top surface of the upper connection end 11 is arc
Face 112.The bottom of the hypocentrum 20 is provided with lower connection end 21, and the bottom surface of the lower connection end 21 is inclined-plane 212 so that artificial
Centrum 100 can be with adjacent corpus vertebrae 200 radian energy good fit.Fig. 3 is refer to, the cambered surface 112 includes multiple straight
Line segment, the cambered surface 112 is the cambered surface formed by multiple straight sections obtained by the centrum data acquisition of different human body
112, the middle part of the arc is slightly raised upwards.Fig. 4 is refer to, camber line is also presented in the cambered surface 112 in right view, it is seen that
The cambered surface 112 is the arcuate structure of various dimensions.It refer in Fig. 6, embodiment, the upper centrum 10 and corpus vertebrae 200
Contact area 201 accounts for 2/3 or so of the face of corpus vertebrae 200.The top surface of upper centrum 10 is set to cambered surface 112, centrum is increased
10 with the contact area of corpus vertebrae 200, increase the area of Bone Ingrowth, allow the later stage to fix and more stablize distribution of force and also compare
It is average.
The angle that refer between the 5th straightway 1121 and the inclined-plane 212 in Fig. 3, the cambered surface 112 is C, its
In, 10 °≤C≤20 °；It is furthermore preferred that 13 °≤C≤18 °.Such as Fig. 3 front view projection patterns, the cambered surface 112 is on the projection surface
In the camber line of formation, the 5th straightway 1121 refer to the incline direction of inclined-plane 212 on the contrary, and relative level angle of inclination most
A big straightway.The bottom surface of hypocentrum 20 is set to inclined-plane 212, and C is formed with the 5th straightway 1121 of upper centrum 10
Angle.So that two end faces of artificial vertebral body 100 are at an angle, with the formation angled support mode of corpus vertebrae 200, effectively prevent
The only displacement of artificial vertebral body 100, loosening.
It refer to and be respectively equipped with tooth-shape structure 113,213 on Fig. 7, the cambered surface 112 and the inclined-plane 212, by using
Pointed tooth is designed so that artificial vertebral body 100 bear a heavy burden after can preferably with soleplate intercalation up and down, increase stability at once.And tooth form
Structure can reduce the pressure of single tooth-shape structure, it is to avoid the subsidence problems of traditional titanium cage..
Fig. 7 is refer to, the cambered surface 112 has surface-treated layer 114, the surface treatment respectively with the inclined-plane 212
Layer 114 is in tooth-shape structure.By process of surface treatment, one layer of surface-treated layer is formed respectively in cambered surface 112 and inclined-plane 212
114, the surface-treated layer 114 has osteoacusis, self-bone grafting, osteoblastic proliferation, the effect of osteoblast differentiation.So that with
The Place cell adhesive capacity of centrum contact is strong, can stimulate growing into for Gegenbaur's cell, effectively accelerates artificial vertebral body 100 and human body
The bone fusion of centrum 200, it is to avoid Unstable internal fixation, accelerates the rehabilitation duration of patient.
Fig. 7 is refer to, the surface-treated layer 114 has densely covered hole 1141, and described hole 1141 is to osteoacusis, bone
Induction, osteoblastic proliferation, osteoblast differentiation have further facilitation.It is preferred that, described hole 1141 constitutes similar
Cellular structure.
Fig. 2 is refer to, the upper centrum 10 on the side wall of the hypocentrum 20 with offering bone grafting window 121,221.It is logical
Cross and open up bone grafting window 121,221 on upper centrum 10 and hypocentrum 20, with the hollow structure for closing centrum 10 and hypocentrum 20, just
In implantable artificial bone, increase the compression strength of artificial vertebral body 100, and convenient observation bone grafting situation.It is preferred that, the bone grafting window
121st, 221 be in matrix distribution, and the bone grafting window 121,221 assumes diamond in shape.Bone grafting window 121,221 is set to rhombus, diamond structure exists
Two symmetrical gusseteds are formed during compression, have the advantages that stability is good.Simultaneously in upper centrum 10 and square on hypocentrum 20
The bone grafting window 121,221 of battle array distribution rhombus, can play counter-flush.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements done etc. should be included within the scope of protection of the invention.
Claims (10)
1. a kind of adjustable artificial vertebral body of homeostasis, for being implanted into corpus vertebrae, it is characterised in that including upper centrum, under
Centrum and locking member, the upper centrum are plugged in the hypocentrum, provided with spacing between the upper centrum and the hypocentrum
Part, the locking member includes locking nut and retaining ring, and the hypocentrum is threadedly coupled with the locking nut, the upper centrum
It is located in the locking nut, the upper centrum can be adjusted vertically；The retaining ring is located in locking nut, the locking
Ring is elastic component, and the locking ring resilience is pressed on the side wall of the upper centrum.
2. the adjustable artificial vertebral body of homeostasis according to claim 1, it is characterised in that the hypocentrum is provided with logical
Hole, the upper centrum is correspondingly provided with stopper slot, and the locating part coordinates through the through hole with the stopper slot, the stopper slot
Limit the scope that the upper centrum is axially moveable.
3. the adjustable artificial vertebral body of homeostasis according to claim 1, it is characterised in that opened up in the retaining ring
Have a dashpot, the dashpot opening up or down, the opening up dashpot with it is described downward opening slow
Jet-bedding is arranged alternately successively, the middle outwardly convex of the retaining ring, the two ends necking of the retaining ring.
4. the adjustable artificial vertebral body of homeostasis according to claim 3, it is characterised in that the inner side of the retaining ring
Face is corrugated surface.
5. the adjustable artificial vertebral body of homeostasis according to claim 1, it is characterised in that the upper centrum is hollow
Structure, the top of the upper centrum is provided with upper connection end, and the top surface of the upper connection end is cambered surface；The hypocentrum is hollow knot
Structure, the bottom of the hypocentrum is provided with lower connection end, and the bottom surface of the lower connection end is inclined-plane.
6. the adjustable artificial vertebral body of homeostasis according to claim 5, it is characterised in that the cambered surface includes multiple
The angle between the 5th straightway and the inclined-plane in straightway, the cambered surface is C, wherein, 10 °≤C≤20 °.
7. the adjustable artificial vertebral body of homeostasis according to claim 5, it is characterised in that the cambered surface with it is described tiltedly
Tooth-shape structure is respectively equipped with face.
8. the adjustable artificial vertebral body of homeostasis according to claim 7, it is characterised in that the cambered surface with it is described tiltedly
Face has surface-treated layer respectively, and the surface-treated layer is in tooth-shape structure, and the surface-treated layer has densely covered hole.
9. the adjustable artificial vertebral body of homeostasis according to claim 5, it is characterised in that also including connector, institute
State connection end and be respectively equipped with outward-dipping fixing hole with the lower connection end, the connector passes through fixing hole and human body vertebra
Body is connected.
10. the adjustable artificial vertebral body of homeostasis according to claim 9, it is characterised in that including four connectors,
It is divided into two groups to be respectively provided on the upper connection end and the lower connection end, every group of each two connector, same group of two companies
Angle between fitting is B, wherein, 0 °≤B≤10 °；The angle of the connector relative level is A, wherein, 10 °≤A≤
20°。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621259603.4U CN206587073U (en) | 2016-11-23 | 2016-11-23 | A kind of adjustable artificial vertebral body of homeostasis |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621259603.4U CN206587073U (en) | 2016-11-23 | 2016-11-23 | A kind of adjustable artificial vertebral body of homeostasis |
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| CN206587073U true CN206587073U (en) | 2017-10-27 |
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| CN201621259603.4U Expired - Fee Related CN206587073U (en) | 2016-11-23 | 2016-11-23 | A kind of adjustable artificial vertebral body of homeostasis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110141404A (en) * | 2019-06-21 | 2019-08-20 | 上海长征医院 | Cervical vertebra implant system |
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2016
- 2016-11-23 CN CN201621259603.4U patent/CN206587073U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110141404A (en) * | 2019-06-21 | 2019-08-20 | 上海长征医院 | Cervical vertebra implant system |
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Granted publication date: 20171027 |