CN101361673A - Angle-adjustable intervertebral expansion device - Google Patents
Angle-adjustable intervertebral expansion device Download PDFInfo
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- CN101361673A CN101361673A CNA2007101201135A CN200710120113A CN101361673A CN 101361673 A CN101361673 A CN 101361673A CN A2007101201135 A CNA2007101201135 A CN A2007101201135A CN 200710120113 A CN200710120113 A CN 200710120113A CN 101361673 A CN101361673 A CN 101361673A
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Abstract
The invention provides an intervertebral expanding device provided with variable angles, which comprises a shell; a pair of fulcrum shafts, which are respectively fixed on the shell; a pair of stand bars, which are approximately L-shaped, can be respectively and rotatablely supported on the fulcrum shafts around the fulcrum shafts, are oppositely arranged and form an approximately U-shaped framework structure, wherein, one relatively extending edge thereof forms adjusting parts while one outward extending edge forms embedding parts, and the two embedding parts are used for being respectively embedded into different backbones; and a jacking adjusting device, which is butt jointed with each adjusting part of the stand bar pair and adjusts an expanding angle between the embedding parts of the stand bar pair by jacking the adjusting parts of the stand bars. The intervertebral expanding device provided with variable angles can simply, conveniently and flexibly implement the rectification operation of vertebral deformation, has simple structure and low production cost, and is very favorable for the popularization and the application in vertebral rectification operations.
Description
Technical field
The present invention relates to medical apparatus and instruments, particularly relate to a kind of angle-adjustable intervertebral expansion device that is used to change the intervertebral expansion angle.
Background technology
In treatment during spinal disease, for example, when carrying out spinal column orthopedic at scoliosis etc. or at spinal trauma carry out to spinal column reset fixedly the time, adopt some stationary devices that reset usually, needs are treated or fixed vertebra resets fixing.
For example, for deformity of spine or spinal trauma, a kind of common Therapeutic Method is, anchoring nail on needs reset fixed vertebra up and down (being neighbouring vertebra or the vertebra up and down that separates the pathological changes vertebra), connect hookup in the end of two nails then, for example band angle positive and negative screw bolt Osteological device described in the Chinese patent 92244110.3 that formerly proposes of the inventor and the Osteological reducing and fixing orthopaedical device described in the Chinese patent 99126379.0, by being connected two nail end connection devices, two nails are produced resetting of vertebra up and down opened, thereby vertebra is up and down resetted and fixes.
Above-mentioned band angle positive and negative screw bolt Osteological device and Osteological reducing and fixing orthopaedical device can play orthopedic and fixation in treatment deformity of spine or spinal trauma, but, this fixing and orthopedic mainly be along spinal column axis to support force aspect work, the strength of adjustment aspect the opening angle between the vertebra up and down is not remarkable.
When carrying out spinal column orthopedic for the treatment scoliosis, a kind of common Therapeutic Method is, anchoring nail on the pedicle of vertebral arch of the vertebra both sides that needs are treated, to be connected up and down then, each nail of the same side of the pedicle of vertebral arch of vertebra utilizes connecting device to connect along the vertical direction, by connecting device make be connected up and down the nail of the pedicle of vertebral arch of vertebra reset fixing, thereby reach orthopedic effect to spinal column.Perhaps, the Horizontal junction device among the Pediculus arcus vertebrae and spinal orthosis of describing in the Chinese patent application 200610144374.6 that also can adopt the inventor formerly to propose, this corrective system makes the fixed operation that resets between a plurality of nails simplify greatly.
The method of various treatment spinal diseases recited above and related device, in concrete operative treatment, can obtain excellent curative, but in concrete operation technique, corresponding backbone correcting system still is considered to complex structure, and need carry out complicated operations comparatively or the people's that implements operation skilled operation degree is had higher requirements, therefore, need further simplified structure.
In addition, for some situation, for example in scoliosis orthopedic, if when needing orthopedic orientation on lateral, to be in a plurality of different azimuth, this backbone correcting system makes that operation is complicated more or is difficult to operation owing to be connected the different up and down cross-connecting apparatus influence each other of different pedicles of vertebral arch.
To reducing the requiring under the ever-increasing situation of operation technique difficulty, need to propose a kind of new medical treatment device, make and in the operation of these spinal diseases of treatment, can further reduce operation easier.
Summary of the invention
The present inventor on the basis of above-mentioned technology, further concentrates on studies, and has proposed a kind of angle-adjustable intervertebral expansion device of being convenient to operation technique.
Angle-adjustable intervertebral expansion device of the present invention comprises:
One housing,
A pair of fulcrum, it is individually fixed on the housing;
A pair of leg, it is roughly L-shaped, and can be supported on the fulcrum rotationally around described fulcrum respectively, this pair of L-shaped leg is oppositely arranged, form roughly U-shaped frame structure, wherein they form adjusting portion in one side of extension relatively, one side the implantation portion that forms that they extend respectively laterally, described two implantation portions are used for being implanted to respectively different vertebras;
The pushing tow adjusting device is connected on the described a pair of leg adjusting portion separately, and the adjusting portion of this pushing tow adjusting device by the described leg of pushing tow regulated the opening angle between the implantation portion of described a pair of leg.
In the present invention, as a preferred implementation, described fulcrum can specifically be positioned at the roughly L shaped corner location of described leg.
In the present invention, as a kind of optional example of a shaft supporting structure, described a pair of fulcrum can directly be supported in the inboard of described a pair of leg respectively.
In the present invention, the another kind of optionally example as a shaft supporting structure is formed with pivot connected slot or pivoted hole on the described a pair of leg, and described a pair of fulcrum is connected in this pivot connected slot or the pivoted hole, thereby described a pair of leg is formed rotatable the support.
In the present invention, as a kind of optional example of stand bar structure, two adjusting portions of described a pair of leg are made of the lateral thrust flexure strip of one.In this example, described pushing tow adjusting device is to be connected in the roughly push rod in centre position of flexure strip.
As the another kind of optionally example of stand bar structure, two adjusting portions of described a pair of leg are movably connected.
As the another kind of optionally example of stand bar structure, can leave spacing between two adjusting portions of described a pair of leg.
In the present invention, a kind of optional example as the pushing tow adjusting device, described pushing tow adjusting device can comprise nut that is fixed on the described housing and the screw rod that is bolted in this nut, and an end of described screw rod is connected on described two adjusting portions, and the other end stretches out in nut and forms the operating side outward.In this example, have graduation mark on the described screw rod, thereby can screw rod be adjusted to corresponding graduation mark position, so that the intervertebral angle is accurately corrected according to the opening angle needs corresponding to the opening angle of the implantation portion of a pair of leg.
As the another kind of optional example of pushing tow adjusting device, described pushing tow adjusting device can comprise the push rod that is connected on the described a pair of adjusting portion, is formed with the locking device of the position of locking push rod between described push rod and housing.In this example, described locking device can be included in the more than one protuberance that push rod shaft upwards is provided with at interval, is formed with the through hole that passes for push rod on described housing, and described through hole has the notch part corresponding with described protuberance.
In the present invention, can have Skidproof structure in the implantation portion of described leg, from vertebra, skid off to prevent implantation portion.Described Skidproof structure can be and is formed on the matsurface on the leg implantation portion outer surface or is formed on reticulate structure on the implantation portion outer surface.
In the implantation portion implantation vertebra for ease of described leg, as a kind of optional example, the implantation portion end of described leg can be flat.As the example that another kind can break, the implantation portion end of described leg is the vertebra shape.
For ease of the pushing tow adjusting device stable regulation is carried out in the position of leg adjusting portion, be formed with the form fit structure between the end of the adjusting portion of described leg and pushing tow adjusting device.
Utilize above-mentioned angle-adjustable intervertebral expansion device of the present invention, when corrective procedure is carried out in the deformity of spinal column, two implant parts of a pair of leg can be implanted on two vertebras of angular distortion, inwardly pushing and withstanding pushes away adjusting device then, regulate the opening angle between the two implantation portions, thereby the angle between two vertebras is corrected.It is very simple, convenient that angle-adjustable intervertebral expansion device of the present invention carries out the corrigent operation of the deformity of spinal column, greatly reduced the operation technique difficulty.And, because angle-adjustable intervertebral expansion device of the present invention can correct the angular distortion between any two vertebras, thereby when operation technique, can be flexibly and easily only correct having between the vertebra of angular distortion.And the structure of angle-adjustable intervertebral expansion device of the present invention is very simple, and low cost of manufacture is very beneficial for applying in the spinal correction operation.
Description of drawings
Fig. 1 is the angle-adjustable intervertebral expansion device structural representation of the embodiment of the invention 1;
Fig. 2 is implanted to two view of being out of shape between vertebras for the angle-adjustable intervertebral expansion device of the embodiment of the invention 1;
Fig. 3 is the view after the angle-adjustable intervertebral expansion device of the embodiment of the invention 1 is corrected the vertebra angle;
Fig. 4 is implanted to two view of being out of shape between vertebras for the angle-adjustable intervertebral expansion device of the embodiment of the invention 2;
Fig. 5 is the view after the angle-adjustable intervertebral expansion device of the embodiment of the invention 2 is corrected the vertebra angle;
Fig. 6 is implanted to two view of being out of shape between vertebras for the angle-adjustable intervertebral expansion device of the embodiment of the invention 3;
Fig. 7 is the view after the angle-adjustable intervertebral expansion device of the embodiment of the invention 3 is corrected the vertebra angle;
Fig. 8 is implanted to the structural representation of state between two distortion vertebras for another kind of pushing tow adjusting device of the present invention is in;
Fig. 9 is the shell structure sketch map of the present invention's pushing tow adjusting device shown in Figure 8;
Unlocked state sketch map after Figure 10 corrects the vertebra angle for another kind of pushing tow adjusting device of the present invention is in;
Lock-out state sketch map after Figure 11 corrects the vertebra angle for another kind of pushing tow adjusting device of the present invention is in.
The specific embodiment
Shown in Fig. 1-11, angle-adjustable intervertebral expansion device of the present invention comprises:
One housing 1;
A pair of fulcrum 11,12, it is individually fixed on the housing 1;
A pair of leg 21,22, it is roughly L-shaped, and can be supported in rotationally on the fulcrum 11,12 around described fulcrum 11,12 respectively, this pair of L- shaped leg 21,22 is oppositely arranged, form roughly U-shaped frame structure, wherein their one side of extending in opposite directions forms adjusting portion 211,221, one side they are respectively to the implantation portion that forms 212,222 that hull outside is extended, described two implantation portions 212,222 are used for being implanted to respectively different vertebras;
Pushing tow adjusting device 3, be connected on described a pair of leg 21,22 adjusting portion 211,221 separately, this pushing tow adjusting device 3 is by the adjusting portion 211,221 of the described leg 21,22 of pushing tow, regulates the opening angle between the implantation portion 212,222 of described a pair of leg 21,22.
When corrective procedure is carried out in the deformity of spinal column, as Fig. 2, Fig. 4, Fig. 6, shown in Figure 8, two implant parts 212,222 of a pair of leg 21,22 can be implanted on two vertebras 41,42 of angular distortion, then as Fig. 3, Fig. 5, Fig. 7, shown in Figure 9, make pushing and withstanding push away adjusting device 3 inside pushing tow adjusting portions 211,221, regulate the opening angle between the two implantation portions 212,222, make between two vertebras 41,42 and open corresponding angle, thereby the angle between two vertebras 41,42 is corrected.
It is very simple, convenient that angle-adjustable intervertebral expansion device of the present invention carries out the corrigent operation of the deformity of spinal column, greatly reduced the operation technique difficulty.And, because angle-adjustable intervertebral expansion device of the present invention can be corrected the angular distortion between any two vertebras, thereby when operation technique, can be flexibly and easily only correct having between the vertebra of angular distortion, particularly, can not interact between the different up and down angle-adjustable intervertebral expansion device that angle between the different up and down vertebras is regulated, for needing to carry out the orthopedic different situation in opening angle orientation in the different up and down vertebras, rectification effect is remarkable especially.And the structure of angle-adjustable intervertebral expansion device of the present invention is very simple, and low cost of manufacture is very beneficial for applying in the spinal correction operation.
In the present invention, as a preferred implementation, described fulcrum 11,12 can specifically be positioned at the position at the roughly L shaped turning 213,223 of described leg 21,22.
In the present invention, can have the Skidproof structure (not shown) in the implantation portion 212,222 of described leg 21,22, from vertebra, skid off to prevent implantation portion 212,222.This Skidproof structure can be and is formed on the matsurface on leg implantation portion 212,222 outer surfaces or is formed on reticulate structure on implantation portion 212,222 outer surfaces.
In implantation portion 212,222 implantation vertebras 41,42 for ease of described leg 21,22, as a kind of optional example, implantation portion 212,222 ends of described leg can be flat.As the example that another kind can break, implantation portion 212,222 ends of described leg 21,22 are the vertebra shape.
In the present invention, carry out stable regulation, can be formed with the form fit structure between the adjusting portion 211,222 of described leg 21,22 and the end 31 of pushing tow adjusting device 3 for ease of the position of 3 pairs of leg adjusting portions of pushing tow adjusting device 211,221.
Below in conjunction with accompanying drawing several specific embodiments of the present invention are described in detail.
As Fig. 1-shown in Figure 3, in the present embodiment, two adjusting portions, 211,212 movable the linking together of described a pair of leg 21,22, for example pivot joint or hinged, described a pair of fulcrum 21,22 directly is supported in the inboard of described a pair of leg 211,212 respectively.
In the present embodiment, a kind of optional example as pushing tow adjusting device 3, shown in Fig. 1-3, described pushing tow adjusting device 3 can comprise nut 32 that is fixed on the described housing 1 and the screw rod 33 that is bolted in this nut 32, one end 31 of described screw rod 33 is connected on described two adjusting portions, and the other end stretches out in the nut 32 outer operating sides 34 that form.
When the deploying device that uses present embodiment carries out spinal correction, as shown in Figure 2, earlier with a pair of leg 21,22 two implantation portions 212,222 are implanted to two vertebras 41 of angular distortion respectively, in 42, rotating screw bolt 33 then, make screw rod 33 inside precessions, end 31 pushing tows, two adjusting portions 211 of this screw rod 33,221, make leg 21,22 around fulcrum 11,12 rotate, as shown in Figure 3, leg 21,22 implantation portion 212,222 outside opened with certain angle, thereby should implantation portion 212,222 drive vertebra 41,42 opened with certain angle are to vertebra 41,42 angular distortion is effectively corrected.In this example, can have graduation mark (not shown) on the described screw rod 33 corresponding to the opening angle of the implantation portion 212,222 of a pair of leg 21,22, thereby can screw rod 33 be adjusted to corresponding graduation mark position according to the opening angle needs, thereby the intervertebral angle is accurately corrected.
Shown in Fig. 8-11, in the present embodiment, another kind of optional example as pushing tow adjusting device 3, described pushing tow adjusting device 3 can comprise the push rod 35 that is connected on the described a pair of adjusting portion 211,221, is formed with the locking device of the position of locking push rod 35 between described push rod 35 and housing 1.Like this, when vertebra is corrected, can leg 21,22 be rotated around fulcrum 11,12 by push rod 35 pushing and withstanding adjusting portions 211,221, thereby regulate the opening angle of implantation portion 212,222, vertebra is corrected, and after finishing, adjusting can lock the position of push rod 35 by locking device, to guarantee corrigent stability.In this example, described locking device 3 can be included in push rod 35 and axially go up the more than one protuberances 36 that are provided with at interval, is formed with the through hole 37 that passes for push rod 35 on described housing 1, and described through hole 37 has the notch part 38 corresponding with described protuberance 36.
When carrying out spinal correction, as shown in Figure 8, earlier with leg 21,22 two implantation portions 212,222 are implanted to the vertebra 41 of two distortion, in 42, as shown in figure 10, rotating push-rod 35 makes the breach 38 of protuberance 36 aligned through holes 37, promote push rod 35 and drive protuberance 36 motions, the end pushing tow adjusting portion 211 of push rod 35,221, make leg 21,22 around fulcrum 11,12 rotate, implantation portion 212,222 drive vertebra 41,42 opened with certain angle, with vertebra 41,42 are remedied to correct position, as shown in figure 11, and with reference to Fig. 9, after being remedied to required angle, rotating push-rod 35 makes protuberance 36 breach 38 of through hole 37 that staggers, and is connected to housing 1 inboard location, thereby guarantees the stable of angle correction.
Embodiment 2
As Fig. 4, shown in Figure 5, the another kind of supporting construction of fulcrum 11,12 is provided, in the present embodiment, be formed with pivot connected slot (not shown) or pivoted hole 214,224 on the described a pair of leg 21,22, described a pair of fulcrum 11,12 is connected in this pivot connected slot or the pivoted hole 214,224, thereby described a pair of leg 21,11 is formed rotatable the support.Described pivot connected slot or pivoted hole 214,224 can be separately positioned on the position, roughly turning of a pair of leg 21,22.In the present embodiment, can leave spacing 23 between two adjusting portions 211,222 of described a pair of leg 21,22, to guarantee when carrying out pushing tow, having enough freedoms of motion.
Pushing tow adjusting device 3 in the present embodiment can adopt the fit structure (as Fig. 4, shown in Figure 5) of screw rod 33 and nut 32 among the embodiment 1, also can adopt the structure (not shown) of push rod 35 co-operating latch means of describing among the embodiment 1, certainly also can adopt other structures, regulate opening angle between the implantation portion 212,222 as long as can carry out pushing tow to adjusting portion 211,222, its concrete structure does not limit at this.
In the present embodiment, be that the fit structure of nut 32 and screw rod 33 is that example illustrates spinal correction process with pushing tow adjusting device 3.As shown in Figure 4, now the implantation portion 212,222 with leg 21,22 is implanted in the two distortion vertebras 41,42, inside then rotary screw 33, thereby pushing tow adjusting portion 211,221, making leg 21,22 is that pivot rotates with fulcrum 11,12 respectively, implantation portion 212,222 drives vertebra 41,42 opened with certain angle, thereby the angular distortion of vertebra 41,42 is corrected.
As Fig. 6, shown in Figure 7, in the present embodiment, provide another kind of stand bar structure, two adjusting portions 211,221 of described a pair of leg 21,22 are made of the lateral thrust flexure strip of one.As Fig. 6, shown in Figure 7, in this example, for guaranteeing the degree of freedom of motion, fulcrum 11,12 preferably directly is supported in the inboard of leg 21,22.
In the present embodiment, because the lateral thrust flexure strip itself has the steady statue to a lateral bending song, and deformable is the steady statue towards the opposite side bending after the power of opposite side having applied, as Fig. 6, shown in Figure 7, described pushing tow adjusting device 3 can be directly for being connected in the roughly push rod 39 in centre position of flexure strip.
As shown in Figure 6, when implantation portion 212,222 is implanted in the vertebra 41,42 of distortion, the lateral thrust flexure strip of this formation adjusting portion 211,221 can be in the steady statue towards push rod 39 1 lateral bending songs, and this moment, the implantation portion 212,222 of leg 21,22 was drawn close towards direction in opposite directions; Towards implantation portion 212, push rod 39 is moved in 222 1 thrusters, this lateral thrust flexure strip stress deformation is to the opposite side bending, form as shown in Figure 7 towards implantation portion 212, the steady statue of 222 1 lateral bending songs, in this lateral thrust flexure strip strain, drive leg 21,22 around fulcrum 11,12 rotate, when the lateral thrust flexure strip forms towards implantation portion 212, during the steady statue of 222 1 lateral bending songs, leg 21,22 implantation portion 212,222 drive vertebra 41,42 opened with certain angle, thereby to two vertebras 41, angle position distortion between 42 is corrected.
Further, structure as the locking device of the position of the described locking push rod that is shown in Figure 10 and Figure 11 of embodiment 1 can also be set between push rod 39 and housing 1.
In the present embodiment, the opening angle between the implantation portion 212,222 of leg 21,22, relevant with the elastic deformation level of lateral thrust flexure strip.In actual use, can produce deploying device according to the flexural deformation degree of lateral thrust flexure strip with multiple opening angle, thereby in corrective procedure, according to patient's deformity of spinal column angle needs, choose deploying device with corresponding opening angle.
In the present embodiment, described pushing tow adjusting device 3 also can adopt the fit structure of screw rod, nut fit structure or push rod and locking device among embodiment 1 and the embodiment 2, describes in detail no longer one by one at this.
The foregoing description is several specific embodiment of the present invention, only is used to illustrate the present invention, but not is used to limit the present invention.
Claims (17)
1. an angle-adjustable intervertebral expansion device is characterized in that, described device comprises:
One housing,
A pair of fulcrum, it is individually fixed in the housing;
A pair of leg, it is roughly L-shaped, and can be supported on the fulcrum rotationally around described fulcrum respectively, this pair of L-shaped leg is oppositely arranged, form roughly U-shaped frame structure, wherein their one side of extending in opposite directions forms adjusting portion, one side they are respectively to the implantation portion that forms that hull outside is extended, described two implantation portions are used for being implanted to respectively different vertebras;
The pushing tow adjusting device is connected on the described a pair of leg adjusting portion separately, and the adjusting portion of this pushing tow adjusting device by the described leg of pushing tow regulated the opening angle between the implantation portion of described a pair of leg.
2. angle-adjustable intervertebral expansion device as claimed in claim 1 is characterized in that, described fulcrum is positioned at the roughly L shaped corner location of described leg.
3. angle-adjustable intervertebral expansion device as claimed in claim 1 or 2 is characterized in that, described a pair of fulcrum directly is supported in the inboard of described a pair of leg respectively.
4. angle-adjustable intervertebral expansion device as claimed in claim 1 or 2, it is characterized in that, be formed with pivot connected slot or pivoted hole on the described a pair of leg, described a pair of fulcrum is connected in this pivot connected slot or the pivoted hole, thereby described a pair of leg is formed rotatable the support.
5. angle-adjustable intervertebral expansion device as claimed in claim 1 is characterized in that, two adjusting portions of described a pair of leg are made of the lateral thrust flexure strip of one.
6. angle-adjustable intervertebral expansion device as claimed in claim 5 is characterized in that, described pushing tow adjusting device is to be connected in the roughly push rod in centre position of flexure strip.
7. angle-adjustable intervertebral expansion device as claimed in claim 3 is characterized in that, two adjusting portions of described a pair of leg are movably connected.
8. angle-adjustable intervertebral expansion device as claimed in claim 3 is characterized in that, leaves spacing between two adjusting portions of described a pair of leg.
9. angle-adjustable intervertebral expansion device as claimed in claim 1, it is characterized in that, described pushing tow adjusting device comprises the nut that is fixed on the described housing and is bolted in the screw rod of this nut, one end of described screw rod is connected on described two adjusting portions, and the other end stretches out in nut and forms the operating side outward.
10. angle-adjustable intervertebral expansion device as claimed in claim 9 is characterized in that, has the graduation mark corresponding to the opening angle of the implantation portion of a pair of leg on the described screw rod.
11. angle-adjustable intervertebral expansion device as claimed in claim 1 is characterized in that, described pushing tow adjusting device comprises the push rod that is connected on the described a pair of adjusting portion, is formed with the locking device of the position of locking push rod between described push rod and housing.
12. angle-adjustable intervertebral expansion device as claimed in claim 11, it is characterized in that, described locking device is included in the more than one protuberance that is provided with along axially spaced-apart on the push rod, be formed with the through hole that passes for push rod on described housing, described through hole has the notch part corresponding with described protuberance.
13. angle-adjustable intervertebral expansion device according to claim 1 is characterized in that, has Skidproof structure in the implantation portion of described leg.
14. angle-adjustable intervertebral expansion device according to claim 13 is characterized in that, described Skidproof structure is to be formed on the matsurface on the leg implantation portion outer surface or to be formed on reticulate structure on the implantation portion outer surface.
15. angle-adjustable intervertebral expansion device according to claim 1 is characterized in that, the implantation portion end of described leg is a flat.
16. angle-adjustable intervertebral expansion device according to claim 1 is characterized in that, the implantation portion end of described leg is the vertebra shape.
17. angle-adjustable intervertebral expansion device according to claim 1 is characterized in that, is formed with the form fit structure between the end of the adjusting portion of described leg and pushing tow adjusting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710120113A CN100586389C (en) | 2007-08-09 | 2007-08-09 | Angle-adjustable intervertebral expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710120113A CN100586389C (en) | 2007-08-09 | 2007-08-09 | Angle-adjustable intervertebral expansion device |
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| Publication Number | Publication Date |
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| CN101361673A true CN101361673A (en) | 2009-02-11 |
| CN100586389C CN100586389C (en) | 2010-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200710120113A Expired - Fee Related CN100586389C (en) | 2007-08-09 | 2007-08-09 | Angle-adjustable intervertebral expansion device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101991457B (en) * | 2009-08-27 | 2012-12-19 | 邹德威 | Interfacial distracting device of cervical vertebra facet joint |
| CN110338897A (en) * | 2018-04-03 | 2019-10-18 | 李益香 | A kind of adjustable bending plate of orthopedic spinal lateral bending operation |
-
2007
- 2007-08-09 CN CN200710120113A patent/CN100586389C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101991457B (en) * | 2009-08-27 | 2012-12-19 | 邹德威 | Interfacial distracting device of cervical vertebra facet joint |
| CN110338897A (en) * | 2018-04-03 | 2019-10-18 | 李益香 | A kind of adjustable bending plate of orthopedic spinal lateral bending operation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100586389C (en) | 2010-02-03 |
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Effective date of registration: 20160324 Address after: 100089 Beijing Haidian District Zizhuyuan Road No. 31, room 915, China and Macao Center Jiahui yuan Patentee after: Beijing Orthopedic Innovation Inc. Address before: 100101 Beijing City, Anxiang Road No. 9 people's Liberation Army No.306 Hospital Patentee before: Zou Dewei |
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Address after: 102401 No. 11 Baiyang Road, Liangxiang Township, Fangshan District, Beijing Patentee after: BONOVO ORTHOPEDICS, Inc. Address before: Room 915, Jiahui Court, Huaao Center, 31 Zizhuyuan Road, Haidian District, Beijing, 100089 Patentee before: Beijing Orthopedic Innovation Inc. |
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