CN2865585Y - Vertebral arch pedicle pin angle positioner - Google Patents
Vertebral arch pedicle pin angle positioner Download PDFInfo
- Publication number
- CN2865585Y CN2865585Y CNU2005201264338U CN200520126433U CN2865585Y CN 2865585 Y CN2865585 Y CN 2865585Y CN U2005201264338 U CNU2005201264338 U CN U2005201264338U CN 200520126433 U CN200520126433 U CN 200520126433U CN 2865585 Y CN2865585 Y CN 2865585Y
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- CN
- China
- Prior art keywords
- pedicle
- vertebral
- vertebral arch
- angle
- plate horizontal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Surgical Instruments (AREA)
Abstract
This utility model relates to an angle localizer for the pedicle of vertebral arch though screwing belonging to surgical apparatus for the clinic. On the level vernier of the vertebral lamina is set an orientation handle which can rotate around the former, and on the other end of the orientation handle, an operation level is fixed; an orientation angle ruler is installed between the operation level and the orientation handle, while on the operation level, a drop hammer is hanged corresponding to the orientation angle ruler. With this utility model, the angle for placing screw on the pedicle of vertebral arch can be measured in quantity instead of empirical estimation, thus the accuracy for placing screw is enhanced; this utility model also help to make the operation safer and easy for surgeons to operate. So it is very easy to popularize and promote.
Description
Technical field
This utility model relates to a kind of pedicle of vertebral arch angle of pedicle screw localizer, is clinical surgical instrument.
Background technology
In medical treatment clinically, it is a kind of high request technology that the lumbar vertebral posterior pedicle of vertebral arch is put the nail technology, is commonly called as " beating bull's eye " technology, deviation is arranged slightly, just might injure spinal cord, nerve or blood vessel, in case error, consequence is hardly imaginable, therefore, in the lumbar vertebral posterior operation, accurately put a great problem of having followed closely into the puzzlement orthopedist, how abundant no matter surgical experience has, rule of thumb undergos surgery and puts nail in having only several millimeters zone, and fault rate still is higher.
Summary of the invention
The purpose of this utility model is to provide a kind of pedicle of vertebral arch angle of pedicle screw localizer, improves and puts the nail accuracy rate, increases operation safety, makes things convenient for doctor's operation technique.
Pedicle of vertebral arch angle of pedicle screw localizer described in the utility model, on the vertebral plate horizontal cursor, connect the guide tang that can rotate around it, the other end of guide tang is fixed with lever, is provided with the guiding bevel protractor between lever and guide tang, is hung with on the lever and the corresponding sash weight of the bevel protractor that leads.
During use, allowing needs the patient ventricumbent position of operation, and the shallow table of vertebral plate is appeared, the vertebral plate horizontal cursor is put on the antimere of two vertebral plates, the rotating operation handle is because under the situation of deadweight, sash weight is vertical all the time, at this moment, the angle that sash weight is indicated on the guiding bevel protractor is the angle of inclination of guide tang, that is angle of pedicle screw, has realized putting the quantification of nail work angle, accurate positioning, easy to operate.Want pedicle nail accurately to insert, the puncture direction must be in full accord with the pedicle of vertebral arch longitudinal axis, according to the pedicle of vertebral arch anatomical features of waist breast section, lumbar vertebra, puts the nail camber angle and do not wait from the 0-15 degree, general T
12Section is the 0-5 degree, L
1Section is 5 degree, L
2Section is the 5-10 degree, L
3Section is 10 degree, L
4-5Section is 15 degree, preferably again in conjunction with the CT axial scan of pedicle of vertebral arch.
End at lever is provided with operating handle, handled easily.
The vertebral plate horizontal cursor is designed to stretching structure, adjustable length, adaptability is strong.The same with what often see, stretching structure has a variety of, as bushing type or collapsible or the like, at will selects for use.
Concrete syndeton between vertebral plate horizontal cursor and guide tang also has a variety of, can rotate around the vertebral plate horizontal cursor as long as can guarantee guide tang, can be with sleeve on the vertebral plate horizontal cursor, and guide tang is fixed on the sleeve; Also can on the vertebral plate horizontal cursor, establish engaging lug, guide tang is connected by connecting axle with engaging lug; Can also will be designed to bulb formula syndeton between vertebral plate horizontal cursor and guide tang, or the like.
This utility model pedicle of vertebral arch angle of pedicle screw localizer, the angle of pedicle screw that makes pedicle of vertebral arch has been realized having improved the quantification that takes measurement of an angle and put the nail accuracy rate by experience estimation, has increased operation safety, has made things convenient for doctor's operation technique, is easy to penetration and promotion.
Description of drawings
Fig. 1, this utility model one example structure sketch map.
Fig. 2, guide tang and vertebral plate horizontal cursor syndeton sketch map.
Among the figure: 1, vertebral plate horizontal cursor 2, sleeve pipe 3, guide tang 4, cramp bar 5, sash weight 6, guiding bevel protractor 7, handle 8, lever.
The specific embodiment
The utility model is described in further detail in conjunction with the foregoing description accompanying drawing.
As shown in the figure, pedicle of vertebral arch angle of pedicle screw localizer described in the utility model, on vertebral plate horizontal cursor 1, connect the guide tang 3 that can rotate around it, be with sleeve 2 on the vertebral plate horizontal cursor 1, guide tang 3 is fixed on the sleeve 2, and the other end of guide tang 3 is fixed with lever 8, the end of lever 8 is provided with operating handle 7,3 of lever 8 and guide tangs are provided with guiding bevel protractor 6, and go out cramp bar 4 reinforcings, are hung with on the lever 8 and the corresponding sash weight 5 of the bevel protractor that leads.
Vertebral plate horizontal cursor wherein is designed to stretching structure, the convenient adjusting.
Also can be provided with engaging lug on vertebral plate horizontal cursor 1, guide tang 3 is connected by connecting axle with engaging lug again.
Perhaps vertebral plate horizontal cursor 1 and 3 of guide tangs are designed to bulb formula syndeton.
Need pedicle of vertebral arch to put when nail, allow the patient ventricumbent position, the shallow table of vertebral plate is appeared, vertebral plate horizontal cursor 1 is put on the antimere of two vertebral plates, rotating operation handle 8, the angle of sash weight 5 indication on guiding bevel protractor 6 is the angle of inclination of guide tang 3, that is angle of pedicle screw, accurate positioning.
Claims (6)
1, a kind of pedicle of vertebral arch angle of pedicle screw localizer, it is characterized in that on the vertebral plate horizontal cursor, connecting the guide tang that can rotate around it, the other end of guide tang is fixed with lever, is provided with the guiding bevel protractor between lever and guide tang, is hung with on the lever and the corresponding sash weight of the bevel protractor that leads.
2, pedicle of vertebral arch angle of pedicle screw localizer according to claim 1 is characterized in that the end of lever is provided with operating handle.
3, pedicle of vertebral arch angle of pedicle screw localizer according to claim 1 is characterized in that the vertebral plate horizontal cursor is a stretching structure.
4, according to claim 1 or 2 or 3 described pedicle of vertebral arch angle of pedicle screw localizers, it is characterized in that being with sleeve on the vertebral plate horizontal cursor, guide tang is fixed on the sleeve.
5, according to claim 1 or 2 or 3 described pedicle of vertebral arch angle of pedicle screw localizers, it is characterized in that the vertebral plate horizontal cursor is provided with engaging lug, guide tang is connected by connecting axle with engaging lug.
6,, it is characterized in that being between vertebral plate horizontal cursor and guide tang bulb formula syndeton according to claim 1 or 2 or 3 described pedicle of vertebral arch angle of pedicle screw localizers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201264338U CN2865585Y (en) | 2005-12-23 | 2005-12-23 | Vertebral arch pedicle pin angle positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201264338U CN2865585Y (en) | 2005-12-23 | 2005-12-23 | Vertebral arch pedicle pin angle positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2865585Y true CN2865585Y (en) | 2007-02-07 |
Family
ID=37701283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201264338U Expired - Fee Related CN2865585Y (en) | 2005-12-23 | 2005-12-23 | Vertebral arch pedicle pin angle positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2865585Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670305A (en) * | 2011-11-17 | 2012-09-19 | 李建生 | Degree measuring instrument for craniocerebral keyhole surgery |
-
2005
- 2005-12-23 CN CNU2005201264338U patent/CN2865585Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670305A (en) * | 2011-11-17 | 2012-09-19 | 李建生 | Degree measuring instrument for craniocerebral keyhole surgery |
| CN102670305B (en) * | 2011-11-17 | 2015-01-14 | 李建生 | Degree measuring instrument for craniocerebral keyhole surgery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |