CN202554092U - Static fixation device for spinous process of lumbar vertebra of patient - Google Patents
Static fixation device for spinous process of lumbar vertebra of patient Download PDFInfo
- Publication number
- CN202554092U CN202554092U CN2012202113231U CN201220211323U CN202554092U CN 202554092 U CN202554092 U CN 202554092U CN 2012202113231 U CN2012202113231 U CN 2012202113231U CN 201220211323 U CN201220211323 U CN 201220211323U CN 202554092 U CN202554092 U CN 202554092U
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- connecting plate
- spinous process
- patient
- fixed
- fixation device
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Abstract
The utility model discloses a static fixation device for spinous process of the lumbar vertebra of a patient. The static fixation device comprises a first connecting plate and a second connecting plate, a strip-shaped groove is arranged on the first connecting plate, threaded holes are arranged on the second connecting plate, the first connecting plate and the second connecting plate are connected to form a connected plate body by screws which are positioned in the strip-shaped groove and are matched with the threaded holes, two ends of the connected plate body are bent to form two hooks, and connecting through holes or screw holes are respectively arranged on the two hooks. The static fixation device for the spinous process of the lumbar vertebra of the patient has the advantages that the static fixation device is hung on two sides of the spinous process of a surgical portion of the patient via the two hooks and is fixed onto the spinous process by the screws, accordingly, the vertebral column of the patient is stably fixed for reconstruction, the length of the connected plate body can be fixed at a proper value by means of adjusting positions of the screws in the strip-shaped groove, purposes of reducing rigidity of a fixed segment of the vertebral column, retaining parts of movement functions of the fixed segment and dispersing load on the fixed segment and load on adjacent segments of the vertebra are achieved, and the purpose of delaying degeneration of adjacent segments of the intervertebral disc and degeneration of the vertebra of the patient is further achieved.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, particularly a kind of spinous process of lumbar vertebra fixture.
Background technology
The lumbar degenerative disease is one of spinal surgery common diseases, and its sickness rate report differs greatly, and accounts for whole spine disorders about 45% according to domestic incomplete statistics.Wherein with prolapse of lumbar intervertebral disc, spinal canal stenosis and segmental shakiness are the most common.The conventional surgical method mainly is to reduce pressure to nerve root or cauda equina nerve that the compressing position is arranged, and merges at corresponding sections, rebuilds the stability of spinal column.But along with the raising of internal fixation material technology and Lumbar Fusion rate, the raising that does not bring corresponding clinical efficacy.It is opposite because fixing and fusing makes the corresponding segmentation movement afunction of spinal column; Neighbouring section intervertebral disc and little articular process stress abnormality are concentrated; Factors such as the movable increase of the compensatory of neighbouring section over loading cause that neighbouring sections such as neighbouring section intervertebral disk hernia, zygapophysial joints regression and vertebral body unstability even centrum olisthe are sick, cause the patient who has to undergo surgery once more not within minority.
Therefore; Need a kind of purpose that can reach the reconstruction spinal stability, make the rigidity reduction of fixed-segment; The componental movement function that can keep fixed-segment again; Thereby the spinous process fixation device that disperses fixed-segment and neighbouring section vertebral body load is to solve the defective
that the intervertebral fusion operation exists.
The utility model content
In view of this; The purpose of this utility model provides a kind of spinous process of lumbar vertebra stationary device; It can reach the purpose of rebuilding spinal stability, making the rigidity reduction of fixed-segment; The componental movement function that can keep fixed-segment again, thus fixed-segment and neighbouring section vertebral body load disperseed, can solve the defective
that existing intervertebral fusion operation exists.
This utility model spinous process of lumbar vertebra stationary device; Comprise first connecting plate and second connecting plate; First connecting plate is provided with the bar-shaped trough that extends along its length direction, and second connecting plate is provided with screwed hole, and first connecting plate and second connecting plate are connected plate body through being arranged in bar-shaped trough and connecting into screw that screwed hole cooperates; The two ends bending that connects plate body forms two relative hook portion, is respectively arranged with connecting through hole or screw on said two hook portion.
Further, the screwed hole on second connecting plate is at least one, also is set up in parallel along the second connecting plate length direction.
The beneficial effect of this utility model: this utility model spinous process of lumbar vertebra stationary device; Hang on the spinous process of operation portion both sides through two hook portion; And in the connecting through hole of hook portion, penetrate screw this spinous process of lumbar vertebra stationary device is fixed on the spinous process, thereby realize rebuilding the held stationary of spinal column; And can pass through the position of adjustment screw in bar-shaped trough; Make the length that connects plate body be fixed on a desired value; Thereby reach the purpose of the rigidity that reduces the fixed-segment spinal column, the componental movement function that can keep fixed-segment, dispersion fixed-segment and neighbouring section vertebral body load, and then reach the purpose that delays neighbouring section intervertebral disc, vertebral body regression; Can eliminate the complication that fixedly intervertebral fusion operation brings.
Description of drawings
Below in conjunction with accompanying drawing and embodiment this utility model is further described.
Fig. 1 is the structural representation of this utility model spinous process of lumbar vertebra stationary device.
The specific embodiment
Fig. 1 is the structural representation of this utility model spinous process of lumbar vertebra stationary device.
As shown in the figure; Present embodiment spinous process of lumbar vertebra stationary device comprises that first connecting plate 1 and second connecting plate, 2, the first connecting plates 1 are provided with the bar-shaped trough 3 that extends along its length direction; Second connecting plate 2 is provided with screwed hole 4; First connecting plate 1 and second connecting plate 2 are connected plate body through being arranged in bar-shaped trough 3 and connecting into screw 5 that screwed hole 4 cooperates, and the two ends bending that connects plate body forms two relative hook portion 6, is respectively arranged with connecting through hole 7 on said two hook portion 6.Certainly in different embodiments, the also available screw replacement of the connecting through hole 7 that is provided with on two hook portion 6.
This utility model spinous process of lumbar vertebra stationary device, it is realized rebuilding the fixing of spinal column in the following manner: at first through the position of adjustment screw in bar-shaped trough, thereby make the length that connects plate body be fixed on a desired value; The hook portion that will connect the plate body two ends again hangs over rebuilds spinal column up and down on the spinous process of both sides; Through screw is set in connecting through hole this spinous process of lumbar vertebra stationary device is fixed on the spinous process at last.Hook portion can make this spinous process of lumbar vertebra stationary device preliminarily stabilised on spinous process, is convenient to follow-up through fixing this device of screw.
Owing to connect the adjustable length of plate body; Therefore this device can be realized rebuilding the held stationary of spinal column; Can also make between the spinal column that is fixed and have certain interval; Thereby reach the purpose of the rigidity that reduces the fixed-segment spinal column, the componental movement function that can keep fixed-segment, dispersion fixed-segment and neighbouring section vertebral body load, and then reach the purpose that delays neighbouring section intervertebral disc, vertebral body regression; Can eliminate the complication that fixedly intervertebral fusion operation brings.
In the present embodiment, the screwed hole 4 that is provided with on said second connecting plate 2 is five, also is set up in parallel along the second connecting plate length direction.Through selecting different screwed hole 4 and screw 5 to cooperate, can be implemented in and regulate the length that connects plate body in larger scope.And in practical implementation, also can cooperate, can prevent that like this first connecting plate 1 and second connecting plate 2 from misplacing around screw 5 rotations through two screws 5 and two screwed holes 4.Certainly the quantity of the screw hole 4 of this spinous process of lumbar vertebra stationary device is at least one, and its concrete quantity can be selected as required, all can realize this utility model purpose.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation this utility model; Although with reference to preferred embodiment this utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of this utility model; And not breaking away from the aim and the scope of this utility model technical scheme, it all should be encompassed in the middle of the claim scope of this utility model.
Claims (2)
1. spinous process of lumbar vertebra stationary device; It is characterized in that: comprise first connecting plate and second connecting plate; First connecting plate is provided with the bar-shaped trough that extends along its length direction, and second connecting plate is provided with screwed hole, and first connecting plate and second connecting plate are connected plate body through being arranged in bar-shaped trough and connecting into screw that screwed hole cooperates; The two ends bending that connects plate body forms two relative hook portion, is respectively arranged with connecting through hole or screw on said two hook portion.
2. spinous process of lumbar vertebra stationary device according to claim 1 is characterized in that: the screwed hole on said second connecting plate is at least one, also is set up in parallel along the second connecting plate length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202113231U CN202554092U (en) | 2012-05-11 | 2012-05-11 | Static fixation device for spinous process of lumbar vertebra of patient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202113231U CN202554092U (en) | 2012-05-11 | 2012-05-11 | Static fixation device for spinous process of lumbar vertebra of patient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202554092U true CN202554092U (en) | 2012-11-28 |
Family
ID=47203802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202113231U Expired - Fee Related CN202554092U (en) | 2012-05-11 | 2012-05-11 | Static fixation device for spinous process of lumbar vertebra of patient |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202554092U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103948425A (en) * | 2014-05-23 | 2014-07-30 | 潘滔 | Memory alloy neural plate zygopophysis pressurizing and fixing hook and using method thereof |
| KR20160103585A (en) * | 2015-02-24 | 2016-09-02 | (주)티디엠 | Multifunctional implant for spine fixation |
| CN108992155A (en) * | 2018-07-27 | 2018-12-14 | 张家港市中医医院 | Nail-plated joint of vertebral column tip out section fixed system |
-
2012
- 2012-05-11 CN CN2012202113231U patent/CN202554092U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103948425A (en) * | 2014-05-23 | 2014-07-30 | 潘滔 | Memory alloy neural plate zygopophysis pressurizing and fixing hook and using method thereof |
| KR20160103585A (en) * | 2015-02-24 | 2016-09-02 | (주)티디엠 | Multifunctional implant for spine fixation |
| KR101719290B1 (en) * | 2015-02-24 | 2017-04-04 | (주)티디엠 | Multifunctional implant for spine fixation |
| CN108992155A (en) * | 2018-07-27 | 2018-12-14 | 张家港市中医医院 | Nail-plated joint of vertebral column tip out section fixed system |
| CN108992155B (en) * | 2018-07-27 | 2023-08-29 | 张家港市中医医院 | Nail plate type spinal articular process joint fixing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20130511 |