CN1654026A - Vertebrae repositioning device with rotary buttoned round head - Google Patents
Vertebrae repositioning device with rotary buttoned round head Download PDFInfo
- Publication number
- CN1654026A CN1654026A CN 200410039266 CN200410039266A CN1654026A CN 1654026 A CN1654026 A CN 1654026A CN 200410039266 CN200410039266 CN 200410039266 CN 200410039266 A CN200410039266 A CN 200410039266A CN 1654026 A CN1654026 A CN 1654026A
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- Prior art keywords
- spinner
- screw
- ball
- groove
- bulb
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Abstract
The screwed and ball-headed vertebra reductor includes repositing rod; fixing seat with U-slot for the repositing rod to be inserted in, through hole in the bottom and screw slot in the top; ball-headed screw with ball head for threading inside the through hole; C-shaped washer set inside the fixing seat and around the ball head and the repositing rod; and screw assembly capable of being combined with the screw slot to fasten the U-slot, the repositing rod, the C-shaped washer and the ball-headed screw together. The present invention features the ball-headed screw capable of being inserted in different directions, the C-shaped washer with notch capable of being matched to the ball head, the screw assembly with one or several fins capable of being combined with the screw slot to contract the U-slot top, and the pressing part pushing the repositing rod and with one raised point in the other side to match the notch in the bottom of the screw part movably.
Description
Technical field
The invention relates to a kind of spinner bulb vertebra resetting means, be meant a kind of combined spinner bulb vertebra resetting means of release link, holder, ball screw, C shape pad, spinner assembly that a spinal fixation resets that is applied to especially.
Background technology
The fixed reset of tradition spinal curvature treatment, when the implantation pedicle nail of long segment is treated or is used, be difficult to take into account the firm safety of implanting device system, universal implantation convenience and lock operation convenience, the device shown in preceding cases such as United States Patent (USP) the 6602253rd, 5147359 promptly is like this.Especially first, after the universal ball end screw inserts holder, too small with the contact area of release link, cause fixed effect not good; The second, loaded down with trivial details holder end face fixed form, and the fixed effect of fixation kit packing release link is not good.
Device locking aspect after general pedicle of vertebral arch nail is implanted, need be used nut or have the top cover of screw thread, just be able to force tight locking with instrument with screwing togather between this nail, holder and release link, so complicated apparatus design, not only inconvenient, also just increase operating time during use in rain, increase the puzzlement of operative doctor.
Summary of the invention
A purpose of the present invention is to provide a kind of spinner bulb vertebra resetting means.
Another object of the present invention is to provide a kind of release link, one or plurality of fixed seat, one or a plurality of ball screw, one or a plurality of C shape pad and one or the spinner bulb vertebra resetting means of a plurality of spinner assemblies that comprises.
In the perforation that another purpose of the present invention is to provide a kind of these ball screws can universally penetrate this holder, and be sleeved on the ball head of these ball screws, strengthen the fixed spinner bulb vertebra resetting means of friction with elasticity with these C shape pads.
One or a plurality of fin that provide a kind of these spinner assemblies to have is provided a further object of the present invention, and can combine with a spinner groove of these holders screws, and the spinner bulb vertebra resetting means that clamps is inwardly shunk on this holder top.
It is a cambered surface that an also purpose of the present invention is to provide a kind of these spinner assemblies and this release link phase-contact surface, and these C shape pads and this release link phase-contact surface also are a cambered surface, can strengthen the fixed spinner bulb of contact friction vertebra resetting means.
A still purpose of the present invention is to provide between a screw piece and a pressing part that is comprised in a kind of these spinner assemblies, for being provided with a salient point and a groove, the movable spinner bulb vertebra resetting means that turns to the phase fit.
A kind of spinner bulb vertebra resetting means of the present invention, it comprises:
One release link;
One or the plurality of fixed seat, be provided with a U-lag and can insert connection for this release link, this bottom land is provided with a perforation, and the groove top is provided with a spinner groove;
One or a plurality of ball screw, it comprises a ball head, and these screws can penetrate in these perforation, and this ball head is then put and is butted on this perforation holder on every side;
One or a plurality of C shape pad, place these holders, the one side is sleeved on this ball head, and the another side contacts with this release link; And
One or a plurality of spinner assembly, combine with these spinner grooves, but and this U-lag top of packing in fact, and push against this release link, C shape pad and ball screw;
It is characterized in that: these ball screws can universally penetrate in the perforation of this holder in fact, the set breach of this C shape pad makes it have elasticity in fact, but elasticity contracts to open and is sleeved on this ball head, these spinner assemblies include a spinner spare, one screw piece and a pressing part, this spinner spare has one or a plurality of fin, can combine with this spinner groove and screw and this U-lag top is inwardly shunk, and central authorities are provided with a screw, can screw togather with this screw piece, this pressing part one side is resisted against on this release link, the another side is provided with a salient point, this screw piece outer surface is provided with screw thread and this spinner spare screw is screwed, and a groove and the movable fit mutually that turns to of this pressing part salient point are established in the bottom surface.
Above-mentioned spinner bulb vertebra resetting means, wherein these ball screws have a screw division in addition, can follow closely in fact and implant in the vertebral segments.
Above-mentioned spinner bulb vertebra resetting means, wherein these C shape pad another sides are one first arc groove, can meet this release link radian in fact.
Above-mentioned spinner bulb vertebra resetting means, wherein the side of these pressing parts is one second arc groove, can meet this release link radian in fact.
Above-mentioned spinner bulb vertebra resetting means, wherein the end face of these screw pieces is provided with a tooling hole, can fix for the movable insertion of an instrument in fact.
Above-mentioned spinner bulb vertebra resetting means, wherein the fin of the spinner groove of this holder and this spinner spare comes down to fasten with groove and fin rotation with angle of inclination.
Defined forward and backward among the present invention, left and right etc., generally speaking be in a human action, direction when this spinner bulb vertebra resetting means of user hand-held enters this preparation operating area is preceding or forward, otherwise for the back or backward towards user or the direction that withdraws from this spinner bulb vertebra resetting means, and the direction that is same as the user left arm is that a left side, the direction of right arm then are right.Defined again inside and outside, be to be as the criterion with the object body center of being censured, disperse all around for outer, outside by middle mind-set, otherwise then be interior or inside.
Description of drawings
Fig. 1 is the preferred embodiment exploded view of the present invention's one spinner bulb vertebra resetting means.
Fig. 2 is a spinner assembly and a holder, C shape pad and the combined sketch map of ball screw of this spinner bulb vertebra resetting means.
Fig. 3 is the preferred embodiment constitutional diagram of this spinner bulb vertebra resetting means.
Fig. 4 is the cut-away view of this spinner bulb vertebra resetting means.
Reference numeral
10. spinner bulb vertebra resetting means
20. release link 30. holders
31.U shape groove 32. perforation
33. spinner groove 34. instrument clip slots
40. ball screw 41. screw divisions
42. ball head 50.C shape pad
51. 52. another sides, a side
53. breach 54. first arc grooves
60. spinner assembly 61. spinner spares
62. screw piece 63. pressing parts
611. fin 612. screws
621. screw thread 622. tooling holes
623. groove 631. second arc grooves
632. salient point
The specific embodiment
For further specifying the present invention, cooperate graphic explanation embodiment as follows with preferred embodiment now:
Among Fig. 1, the present invention's one spinner bulb vertebra resetting means 10, wherein 20 is a release link, 30 is one (or a plurality of) holder, 31 is a U-lag of being offered on this holder 30, can insert and pass for this release link 20,32 is a perforation of offering at these 31 ends of U-lag, 33 spinner grooves (the U-lag wall of opposite face also can be established a spinner groove) of being offered for these U-lag 31 top inner surfacies, 34 is an instrument clip slot, can seize on both sides by the arms and fix this holder 30 for an operation instrument, when this release link 20 was placed in the U-lag 31 of this holder 30, the one section body of rod can be revealed between this perforation 32 and this U-lag 31 top openings simultaneously.
40 is one (or a plurality of) ball screw, in the movable universal perforation 32 that penetrates this holder 30, this ball screw 40 includes a screw division 41 and a ball head 42, this screw division 41 can be followed closely in fact and implant (not shown) in the vertebral segments, and 42 movable in fact putting of this ball head are butted on this perforation 32 holder 30 on every side.50 is one (or a plurality of) C shape pad, movable this holder 30 that places, one side 51 fits are coated on this ball head 42,52 of another sides can contact with this release link 20, the breach 53 that this C shape pad 50 is set, can make this C shape pad 50 slightly have elasticity, and but elasticity contracts to open and is sleeved on this ball head 42, increase the frictional force of 40 of this C shape pad 50 and this ball screws, this another side 52 is provided with one first arc groove 54 again, meeting the radian of this release link 20, and also can increase the fixed ability of friction.
60 is one (or a plurality of) spinner assembly, can combine with the spinner groove 33 on these holder 30 tops, and it includes a spinner spare 61, a screw piece 62 and a pressing part 63.This spinner spare 61 has one or a plurality of fin 611, can combine with this spinner groove 33 and screw, and because of it is designed to aduncate angle, can be in this when the two screws mutually, simultaneously these U-lag 31 tops are inwardly shunk, this spinner spare 61 central authorities are provided with a screw 612 in addition, can be screwed with this screw piece 62.This screw piece 62 is the cylindrical screw of a class, outer circumference is provided with screw thread 621, can be screwed fixing with this spinner spare 61 central screws 612, a tooling hole 622 is established in the top, can fix and this screw piece 62 is screwed with this spinner spare 61 for the movable insertion of a Wrench, these screw piece 62 belows then are provided with a groove 623 (not shown), and movable and this pressing part 63 be fit mutually.63 of this pressing parts are movable being resisted against on this release link 20, and a side is made as one second arc groove 631 and can contacts with these release link 20 closer applyings, and the another side then is provided with a salient point 632, in the movable groove 623 that is sleeved on these screw piece 62 belows.
Among Fig. 2, when this spinner bulb vertebra resetting means 10 uses, come down to earlier that spinner spare 61, screw piece 62 and the pressing part 63 phase fits of this spinner assembly 60 are standby, continuation is with in the movable perforation 32 that penetrates this holder 30 of this ball screw 40, and screw division 41 universal nails that can this ball screw 40 are implanted fixing (vertebral segments is not shown in the figures) in the vertebral segments, and on other ball screw 40 ball heads 42 in this holder 30, cover unification C shape pad 50.
Among Fig. 3, after this ball screw 40 is fixed with its screw division 41 and this vertebral segments with this holder 30, this release link 20 can be inserted in the U-lag 31 of this holder 30, and made up this spinner assembly 60 of finishing again, fin 611 of its spinner spare 61 and the spinner locking mutually of the spinner groove 33 of this holder 30, make this pressing part 63 can temporarily be pressed on this release link 20 earlier, continue again this screw piece 62 to be screwed down (Wrench is not shown in the figures) with this Wrench, make this screw piece 62 push this pressing part 63 downwards, and because of this screw piece 62 and this pressing part 63 be with this groove 623 and salient point 632 movable fits mutually, so make this two can rotate relatively, and make the second arc groove 631 of this pressing part 63 can right position put to be sleeved on this release link 20.This screw piece 62 screws tight at last in the screw 612 of this spinner spare 61, and press this pressing part 63, and this pressing part 63 is tight against this release link 20, holder 30, C shape pad 50 and this ball screw 40, and screw because of this spinner spare 61 has combined with the spinner groove 33 of this holder 30, so these spinner bulb vertebra resetting means 10 whole groups just can be implanted fixing with this vertebra.
Among Fig. 4, in the holder cutaway view after the combination of this spinner bulb vertebra resetting means 10 is finished, the fin 611 of this spinner spare 61 is the incline plane types with as shown in the figure, combining with these holder 30 spinner grooves 33 screws, and produces contractive effect because of incline device can make that this holder 30U shape groove 31 tops are inwardly pushed.And the groove 623 at these 62 ends of screw piece and the salient point 632 that this pressing part 63 pushes up then also are movable rotation phase fits as shown in the figure.
Claims (6)
1. spinner bulb vertebra resetting means, it comprises:
One release link;
One or the plurality of fixed seat, be provided with a U-lag and can insert connection for this release link, this bottom land is provided with a perforation, and the groove top is provided with a spinner groove;
One or a plurality of ball screw, it comprises a ball head, and these screws can penetrate in these perforation, and this ball head is then put and is butted on this perforation holder on every side;
One or a plurality of C shape pad, place these holders, the one side is sleeved on this ball head, and the another side contacts with this release link; And
One or a plurality of spinner assembly, combine with these spinner grooves, but and this U-lag top of packing in fact, and push against this release link, C shape pad and ball screw;
It is characterized in that: these ball screws can universally penetrate in the perforation of this holder in fact, the set breach of this C shape pad makes it have elasticity in fact, but elasticity contracts to open and is sleeved on this ball head, these spinner assemblies include a spinner spare, one screw piece and a pressing part, this spinner spare has one or a plurality of fin, can combine with this spinner groove and screw and this U-lag top is inwardly shunk, and central authorities are provided with a screw, can screw togather with this screw piece, this pressing part one side is resisted against on this release link, the another side is provided with a salient point, this screw piece outer surface is provided with screw thread and this spinner spare screw is screwed, and a groove and the movable fit mutually that turns to of this pressing part salient point are established in the bottom surface.
2. spinner bulb vertebra resetting means as claimed in claim 1, wherein these ball screws have a screw division in addition, can follow closely in fact and implant in the vertebral segments.
3. spinner bulb vertebra resetting means as claimed in claim 1, wherein these C shape pad another sides are one first arc groove, can meet this release link radian in fact.
4. spinner bulb vertebra resetting means as claimed in claim 1, wherein the side of these pressing parts is one second arc groove, can meet this release link radian in fact.
5. spinner bulb vertebra resetting means as claimed in claim 1, wherein the end face of these screw pieces is provided with a tooling hole, can fix for the movable insertion of an instrument in fact.
6. spinner bulb vertebra resetting means as claimed in claim 1, wherein the fin of the spinner groove of this holder and this spinner spare comes down to fasten with groove and fin rotation with angle of inclination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410039266 CN1654026A (en) | 2004-02-11 | 2004-02-11 | Vertebrae repositioning device with rotary buttoned round head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410039266 CN1654026A (en) | 2004-02-11 | 2004-02-11 | Vertebrae repositioning device with rotary buttoned round head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1654026A true CN1654026A (en) | 2005-08-17 |
Family
ID=34892324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410039266 Pending CN1654026A (en) | 2004-02-11 | 2004-02-11 | Vertebrae repositioning device with rotary buttoned round head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1654026A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007137493A1 (en) * | 2006-05-18 | 2007-12-06 | Wei Lei | Universal expansive pedicle screw and its expanding method |
| CN101347350B (en) * | 2007-07-16 | 2010-07-21 | 叶中权 | External member flexible cable spine fixing apparatus |
| CN102133131B (en) * | 2010-01-21 | 2012-11-28 | 卢士钧 | Universal gasket fixing structure for orthopaedics |
| CN103040515A (en) * | 2012-12-27 | 2013-04-17 | 苏州欣荣博尔特医疗器械有限公司 | Multi-axial spinal screw |
| CN105361937A (en) * | 2014-08-11 | 2016-03-02 | 比德尔曼技术有限责任两合公司 | Polyaxial bone anchoring device |
-
2004
- 2004-02-11 CN CN 200410039266 patent/CN1654026A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007137493A1 (en) * | 2006-05-18 | 2007-12-06 | Wei Lei | Universal expansive pedicle screw and its expanding method |
| US8911484B2 (en) | 2006-05-18 | 2014-12-16 | Wei Lei | Multi-axial expandable pedicle screw and an expansion method thereof |
| CN101347350B (en) * | 2007-07-16 | 2010-07-21 | 叶中权 | External member flexible cable spine fixing apparatus |
| CN102133131B (en) * | 2010-01-21 | 2012-11-28 | 卢士钧 | Universal gasket fixing structure for orthopaedics |
| CN103040515A (en) * | 2012-12-27 | 2013-04-17 | 苏州欣荣博尔特医疗器械有限公司 | Multi-axial spinal screw |
| CN105361937A (en) * | 2014-08-11 | 2016-03-02 | 比德尔曼技术有限责任两合公司 | Polyaxial bone anchoring device |
| US10864030B2 (en) | 2014-08-11 | 2020-12-15 | Biedermann Technologies Gmbh & Co. Kg | Polyaxial bone anchoring device |
| US11576708B2 (en) | 2014-08-11 | 2023-02-14 | Biedermann Technologies Gmbh & Co. Kg | Polyaxial bone anchoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |