CN102133130A - Rotating bone nail for orthopaedics - Google Patents
Rotating bone nail for orthopaedics Download PDFInfo
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- CN102133130A CN102133130A CN2010100342975A CN201010034297A CN102133130A CN 102133130 A CN102133130 A CN 102133130A CN 2010100342975 A CN2010100342975 A CN 2010100342975A CN 201010034297 A CN201010034297 A CN 201010034297A CN 102133130 A CN102133130 A CN 102133130A
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Abstract
The invention relates to a rotating bone nail for orthopaedics, in particular to a rotating bone nail capable of being rotated around a single axle and fixed for orthopaedics. The rotating bone nail for orthopaedics comprises a bearing part and a screw, wherein one end of the bearing part is a fixed end, and the other end of the bearing part is a connecting end provided with a connecting groove; one end of the screw is a nail, the other end of the screw is a connecting part combined with the connecting groove of the bearing part; the rotating bone nail is characterized in that the connecting part and the connecting groove are actually combined in a single axle rotation mechanism before an operation, so that the bearing part actually is capable of rotating only around the axle of the nail before the operation.
Description
Technical field
The present invention is relevant a kind of orthopaedics rotation nail, but refers to a kind of single shaft rotation, fixed orthopaedics rotation nail especially.
Background technology
Generally speaking, vertebra is not in line, and the fixed bar in the spinal fixing device is in line, and present settling mode is nothing more than following several structures:
1. use nail, treat the angle of bone fixation internode with counteracting, for example referring to TW-183341, TW-168911 etc. with angle.But described structure must be carried out assessment before the accurate art, does not also allow any deviation in the operation, in order to avoid can't be fully or angle that excessively the bone fixation internode is treated in counteracting.
2. use the secure bond piece add, treat the angle of bone fixation internode with counteracting, for example referring to TW-250680, TW-292540 etc.But described structure must add fixing combined block, extra unit/assemblies such as support screw cap, takies bigger operative space, so that prolongs operating time and postoperative healing time.
3. deal with problems with universal coupling apparatus (universal connecting device), such as US-5,474,551, US-5,507,746, US-5,575,791 etc.; US-5 for example, 474,551st, utilize universal spacers device (a universal pad fixation device), solve above-mentioned vertebral segments usually and not parallel problem.But described structure is comparatively complicated, and operation trouble so that prolong operating time concerning the doctor, and because described structure is side locking and can be more for active joint is all poor than U type fixed bar to the degree of stability of single unit system and the loading that can carry.
4. use two adjusting pad piece fixed structures, treat the angle of bone fixation internode with counteracting, for example referring to TW-294034.But described structure only is applicable to hone lamella-nail fixed system, can not be used for U type bar-fixed bar system.
5. deal with problems with multi-axial screws (polyaxial screw), such as the U.S. check and approve patent US-5520690, US-5531746 ... 39 of US-71862552, US-7207992 etc., and relevant publication application case US-20010012937, the US-20020111626 of the U.S. ..., US-20070161995, US-20070162006 etc.This is present mainstream technology.Described technology all is to utilize the multiaxis nail to solve the common and not parallel problem of above-mentioned vertebral segments basically.Though described multiaxis nail can solve the common and uneven problem of vertebral segments easily, but the U type bearing portion and the degree of stability between this multi-axial screws of this multiaxis nail are inexcellent, therefore, how can solve the common and uneven problem of vertebral segments easily, combining between the screw that can make nail again and the U type bearing portion of nail is more stable, is a test in fact.
Summary of the invention
A purpose of the present invention is to provide a kind of orthopaedics with rotating nail.
Another object of the present invention is to provide a kind of screw and bearing portion of making to be able to more firm bonded orthopaedics with rotating nail.
Another purpose of the present invention is to provide a kind of single shaft pivoting mechanism that utilizes to make bearing portion and screw be able to firm bonded orthopaedics with rotating nail.
A further object of the present invention is to provide a kind of single shaft rotation mechanism of ammonium fixation that utilizes to make bearing portion and screw be able to more firm bonded orthopaedics with rotating nail.
Another purpose of the present invention is to provide a kind of screw that makes to do rotation with the orthopaedics of adjusting angle rotation nail with respect to bearing portion.
A further object of the present invention is to provide a kind of single shaft pivoting mechanism that utilizes to make screw do rotation with the orthopaedics of adjusting angle rotation nail with respect to bearing portion.
Another purpose of the present invention is to provide a kind of single shaft rotation mechanism of ammonium fixation that utilizes to make screw do rotation with the orthopaedics of adjusting angle rotation nail with respect to bearing portion.
Orthopaedics of the present invention is with rotating nail, and it comprises:
One bearing portion, the one end is a stiff end, and the other end is a connecting end, and this connecting end is provided with one and links groove; And
One screw, the one end is done for nail, and the other end wherein should link parts and combine with the binding groove of this bearing portion for linking parts;
It is characterized in that: this binding parts and link groove utilize the combination of single shaft pivoting mechanism in fact before art, making before this bearing portion Rhizoma Atractylodis Macrocephalae in fact can only be according to spool being rotated that this nail is done.
For reaching above-mentioned single shaft pivoting mechanism, these binding parts can be plectane (referring to Fig. 2 a) or the class plectane, tiltedly plectane (referring to Fig. 2 b) or the oblique plectane of class, arc plectane (referring to Fig. 2 c) or class arc plectane or similar this nail that limits are done the plate body that can only single shaft rotates, with plectane, oblique plectane or arc plectane is preferable, for better, is the best with the arc plectane with oblique plectane or arc plectane.
So-called herein plectane is meant cylindric thin plate; So-called tiltedly plectane is meant that any cross section (perpendicular to the cross section of axle, down together) of this plate body is all circular, but radius of circle is then gradually little to this nail dry end by this binding parts end, and its longitudinal section (cross section that contains axle, down together) all in echelon; So-called arc plectane is meant that any cross section of this plate is all circular, and the relative both sides of its longitudinal section are camber then.
Above-mentioned so-called class plectane is the similar above-mentioned plectane of shape, but some areas are slightly different, and for example the circular arc with few part outer rim of circular slab makes linear into, or the outer edge thickness of few part of circular slab is changed slightly; Oblique plectane of in like manner so-called class or class arc plectane refer to respectively oblique plectane, arc plectane or the slightly different plate body of ratchet plate.
Above-mentioned what is called is similar limit this nail do can only the single shaft rotation plate body, for example can be and form the described C of the group theory (group theory) in the mathematics
nAxle (C
n-proper axis) plate body of symmetric wavy outer rim.
Above-mentioned being somebody's turn to do links parts, no matter it is for plectane or class plectane, tiltedly plectane or the oblique plectane of class, arc plectane or class arc plectane or similar this nail that limits are done the plate body that can only single shaft rotates etc., wherein the top end face of these binding parts can be the bottom surface that cooperates its top device, for example: if its top is a cylindric rod member, then the top end face of these binding parts can be a cylinder arc concave surface; If its top is that a bottom surface is planar liner, then the top end face of these binding parts is a plane; If its top is a ball arc liner, then the top end face of these binding parts is the ball arc concave surface (see also inventor and wait Fig. 3-1, Fig. 3-2, Fig. 3-3, Fig. 3-4, Fig. 5 in another patent application case " orthopaedics univesal padding fixed structure " of applying on the same day) of the radian of this ball arc liner of cooperation.
Above-mentioned this binding groove is a cell body that cooperates with this binding parts in fact, for example these binding parts be plectane, tiltedly when plectane or arc plectane, this binding groove is the plectane groove that equals or be slightly larger than this binding parts plate body outer rim in fact, oblique plectane groove or arc plectane groove, makes these binding parts link a single shaft of complying with the dried axle rotation of nail in the groove at this and rotates; When these binding parts were class plectane, the oblique plectane of class or class arc plectane, this binding groove was not for harming the flute profile of this bindings parts plate body rotation, with so that this bindings parts can link at this comply with dried single shaft that rotates of nail in groove and rotate.
Above-mentioned this single shaft pivoting mechanism, it can further add a mechanism of ammonium fixation, after wherein this mechanism of ammonium fixation can be and utilizes the single shaft pivoting mechanism to rotate this bearing portion and this screw earlier to go to suitable angle, see through any known mechanism of ammonium fixation again and fix this bearing portion and this screw, for example: the groove mechanism that is fixed, crack packing mechanism of ammonium fixation (referring to Fig. 3), groove-crack packing mechanism of ammonium fixation (referring to Fig. 4), the bulge/recess mechanism etc. that is fixed, this mechanism of ammonium fixation also can be and on one side utilizes this single shaft pivoting mechanism to adjust this bearing portion and this screw threads goes to suitable angle, see through any known mechanism of ammonium fixation simultaneously and fix this bearing portion and this screw, for example: bulge/recess-crack packing mechanism of ammonium fixation (referring to Fig. 5), the polygonal mechanism that is fixed, polygonal fixing-crack packing mechanism etc. that is fixed.This single shaft pivoting mechanism is preferable with the single shaft rotation mechanism of ammonium fixation that further adds a mechanism of ammonium fixation.
Above-mentioned this crack packing mechanism of ammonium fixation, wherein this binding groove is provided with an engaging protuberance, these binding parts are provided with the crack and make its tool compression/elasticity recovery (referring to Fig. 3), after then this bearing portion and this screw threads go to suitable angle, the application of force makes this bearing portion and this screw do adverse movement, can utilize the compression/elasticity recovery of these fissured binding parts to make these binding parts be fastened on interior space under the engaging protuberance of this binding groove, to increase bearing portion and the banded stability of screw.
Above-mentioned this groove mechanism that is fixed, wherein the outer rim of these binding parts and this binding groove inner edge respectively are provided with the engaging protuberance/engaging groove arrangement of at least one mutual correspondence, after then this bearing portion and this screw threads go to suitable angle, can see through the corresponding mutually engaging protuberance/engaging groove arrangement of this binding groove and this binding parts this bearing portion and this screw are fixed, to increase bearing portion and the banded stability of screw; Wherein these binding parts can further be provided with crack (referring to Fig. 1, Fig. 4) and make it have compression/elasticity recovery, after then this bearing portion and this screw threads go to suitable angle, can see through this and have the compression/elasticity recovery of fissured binding parts, make this binding groove and this binding parts be able to utilize more easily this corresponding mutually engaging protuberance/engaging groove arrangement to be fixed, wherein fissured groove-packing mechanism of ammonium fixation in crack is preferable to this groove mechanism of being fixed to link parts.
Above-mentioned this bulge/recess mechanism that is fixed, wherein this binding parts outer rim is to can be to form the described C of the group theory (group theory) in the mathematics
nAxle (C
n-proper axis) symmetric ratchet-like, wavy, the recess clamping close device of known ratchet Huo such as claw hook Hold-those ratchet, and this binding groove inner edge is to be provided with to correspond to this binding parts outer rim recess clamping close device size, the protuberance clamping close device of shape, the quantity of this protuberance clamping close device can be and is less than or equal to this recess clamping close device quantity, then work as this bearing portion and this screw threads and go to suitable angle, recess engaging/protuberance the clamping close device that can see through this binding groove and these binding parts is fixed this bearing portion and this screw, to increase bearing portion and the banded stability of screw, in like manner, wherein the recess clamping close device of this ratchet Huo Hold-those ratchet also can be located at this binding groove inner edge, and this corresponds to recess clamping close device size, the protuberance clamping close device of shape then is located at this binding parts outer rim, the quantity of this protuberance clamping close device can be and is less than or equal to this recess clamping close device quantity, and then this bearing portion sees through this binding groove and this binding parts mutual corresponding concave part engaging/protuberance clamping close device and this screw and is fixed; Wherein these binding parts can further be provided with the crack and make its tool compression/elasticity recovery (referring to Fig. 5), Yi Bian then this binding groove and this binding parts can utilize the compression/elasticity recovery of these fissured binding parts and this bulge/recess mechanism of being fixed to rotate this bearing portion and the extremely suitable angle of this screw, fix this bearing portion and this screw simultaneously, to increase bearing portion and the banded stability of screw, wherein fissured bulge/recess-packing mechanism of ammonium fixation in crack is preferable to this bulge/recess mechanism of being fixed to link parts.
Above-mentioned this polygonal mechanism that fixedly is fixed, wherein this binding parts outer rim is to can be to form the described C of the group theory (group theory) in the mathematics
nAxle (C
n-proper axis) symmetric regular polygon corner cut (referring to Fig. 2 d), this binding groove be one be slightly larger than in fact or driving fit in the regular polygon cell body of these binding parts, with so that this bearing portion and this screw after rotating to suitable angle, can utilize this polygonal fixedly mechanism of being fixed to be fixed, to increase the stability of bearing portion and screw knot; Wherein these binding parts can further be provided with the crack and make its tool compression/elasticity recovery, Yi Bian then this binding groove and this binding parts can utilize the compression/answer bullet company property of these fissured binding parts and this polygonal mechanism of fixedly being fixed to rotate this bearing portion and the extremely suitable angle of this screw, fix this bearing portion and this screw simultaneously, to increase bearing portion and the banded stability of screw, wherein this polygonal mechanism of fixedly being fixed is to link fissured polygonal the fixing of parts-crack packing mechanism of being fixed for preferable.
Orthopaedics of the present invention is with rotating nail, it utilizes the single shaft pivoting mechanism to make that bonded degree of stability significantly promotes between the bearing portion of nail and screw, and then can bear bigger weight, in addition, this single shaft pivoting mechanism also can be adjusted the angle of nail, and the use of the ball arc liner of further arranging in pairs or groups (seeing also another patent application case " orthopaedics univesal padding fixed structure " of application on the same day such as inventor), more can adjust the angle of fixed bar and nail easily, to solve the common uneven problem of vertebral segments.Orthopaedics of the present invention waits the use of two patents " spinal fixation system ", " spinal fixation system " in addition of application on the same day with the rotation nail the present inventor that also can further arrange in pairs or groups, not only significantly promote nail stability, can adjust angle easily, more provide spring function, withdraw from (pull out) and because of nonelastic function makes pressure more concentrate on two joint joints up and down with the nail that solves existing spinal fixation system and often have, quicken the shortcoming that two joints up and down go wrong.
Description of drawings
Fig. 1 is the preferable concrete decomposition illustration intention of orthopaedics of the present invention with the rotation nail.
Fig. 2 a, Fig. 2 b, Fig. 2 c, Fig. 2 d are the preferred embodiment sketch map of orthopaedics of the present invention with the screw of rotation nail.
Fig. 3 is bearing portion and the screw bonded preferred embodiment sketch map of orthopaedics of the present invention with the rotation nail.
Fig. 4 is bearing portion and the screw bonded preferred embodiment sketch map of orthopaedics of the present invention with the rotation nail.
Fig. 5 is bearing portion and the screw bonded preferred embodiment sketch map of orthopaedics of the present invention with the rotation nail.
Reference numeral
100. bearing portion 110. stiff ends
120. connecting end 121. links groove
122. engaging protuberance 123. links the groove inner edge
Link the groove inner edge 123a. link groove inner edge 123b.
124. recess clamping close device 200. screws
210. link parts 211. cracks
Link the parts outer rim 212. link parts outer rim 212a.
212b. link parts outer rim 213. protuberance clamping close devices
214. linking parts top 220. nails does
The specific embodiment
Fig. 1 is the preferred embodiment three-dimensional exploded view of orthopaedics of the present invention with the rotation nail, and wherein label 100 is a bearing portion, and 110 is stiff end, and 120 is connecting end, and 121 are the binding groove, and 200 is screw, and 210 for linking parts, and 220 for nail is dried, and 211 is the crack.The connecting end 120 that the binding parts 210 of screw 200 pass bearing portion 100 combines with binding groove 121, wherein screw 200 makes it do the single shaft rotation with respect to bearing portion 100 in the discoideus binding groove 121 of arc by the discoideus binding parts 210 of arc, link parts and further be provided with crack 211, make and link parts 210 tool compression/elasticity recoveries, after then bearing portion 100 and screw 200 rotate to suitable angle, the application of force makes bearing portion 100 and screw 200 do adverse movement, can utilize the compression/elasticity recovery in the crack 211 that links parts 210 that binding parts 210 are fastened in the binding groove 121, to increase bearing portion 100 and screw 200 banded stability.
Fig. 2 a, Fig. 2 b, Fig. 2 c, Fig. 2 d are the preferred embodiment sketch map of orthopaedics of the present invention with the screw of rotation nail, and wherein label 210 is for linking parts.Linking parts 210 among Fig. 2 a is a plectane; Linking parts 210 among Fig. 2 b is an oblique plectane; Linking parts 210 among Fig. 2 c is an arc plectane; Linking parts 210 among Fig. 2 d is a just hexagonal plectane.
Fig. 3 is bearing portion and the screw bonded preferred embodiment generalized section of orthopaedics of the present invention with the rotation nail, and wherein label 100 is a bearing portion, and 120 is connecting end, 121 for linking groove, and 122 are the engaging protuberance, and 123 for linking the groove inner edge, 200 is screw, and 210 for linking parts, and 211 is the crack.The connecting end 120 that the binding parts 210 of screw 200 pass bearing portion 100 combines with binding groove 121, wherein screw 200 makes it do the single shaft rotation with respect to bearing portion 100 in tiltedly discoideus binding groove 121 by oblique discoideus binding parts 210, link parts and further be provided with crack 211, make and link parts 210 tool compression/elasticity recoveries, after then bearing portion 100 and screw 200 rotate to suitable angle, the application of force makes bearing portion 100 and screw 200 do adverse movement, can utilize the compression/elasticity recovery in the crack 211 that links parts 210 that binding parts 210 are fastened in the binding groove 121 that engages under the protuberance 122, to increase bearing portion 100 and screw 200 banded stability.
Fig. 4 is bearing portion and the screw bonded preferred embodiment generalized section of orthopaedics of the present invention with the rotation nail, wherein label 100 is a bearing portion, 120 is connecting end, 121 for linking groove, 123a is for linking the groove inner edge, and 200 is screw, and 210 for linking parts, 211 is the crack, and 212a is for linking the parts outer rim.The connecting end 120 that the binding parts 210 of screw 200 pass bearing portion 100 combines with binding groove 121, wherein screw 200 makes it do the single shaft rotation with respect to bearing portion 100 in the tiltedly discoideus binding groove 121 of class by the oblique discoideus binding parts 210 of class, link groove inner edge 123a and link engaging protuberance/engaging groove arrangement that parts outer rim 212a is provided with mutual correspondence, and link parts and further be provided with crack 211, make binding parts 210 have compression/elasticity recovery, after then bearing portion 100 and screw 200 rotate to suitable angle, the application of force makes bearing portion 100 and screw 200 do adverse movement, can utilize the compression/elasticity recovery in the crack 211 that links parts 210 and link groove inner edge 123a binding parts 210 to be fastened in the binding groove 121, to increase bearing portion 100 and screw 200 banded stability with the protuberance/engaging groove arrangement that engages that links parts outer rim 212a.
Fig. 5 is bearing portion and the screw bonded preferred embodiment perspective exploded view of orthopaedics of the present invention with the rotation nail, wherein label 100 is a bearing portion, and 120 is connecting end, and 121 for linking groove, 123b is for linking the groove inner edge, 124 is the recess clamping close device, and 200 is screw, and 210 for linking parts, 211 is the crack, 212b is for linking the parts outer rim, and 213 is the protuberance clamping close device, and 214 for linking parts tops (becoming recessed ball arc).The connecting end 120 that the binding parts 210 of screw 200 pass bearing portion 100 combines with binding groove 121, wherein the binding parts outer rim 212b of class plectane is provided with protuberance clamping close device 213, and link groove inner edge 123b is the recess clamping close device of ratchet-like, linking parts 210 utilizes the compression/elasticity recovery in protuberance clamping close device 213 and crack 211 and the recess clamping close device 124 that links groove 121 to make screw 200 be able to rotation on one side in linking groove 121, adjust bearing portion 100 and screw 200 to suitable angle, seeing through bulge/recess-crack packing mechanism of ammonium fixation simultaneously is fixed, wherein linking parts top 214 is that a ball arc concave surface waits the patent application case " orthopaedics univesal padding fixed structure " of application on the same day with the collocation inventor, " spinal fixation system " uses and (sees also Fig. 3-1 in " orthopaedics univesal padding fixed structure ", Fig. 3-2, Fig. 3-3, Fig. 3-4, " spinal fixation system "; Fig. 5 a, Fig. 5 b, Fig. 5 c, Fig. 5 d in " spinal fixation system ").
Claims (6)
1. an orthopaedics is with rotating nail, and it comprises:
One bearing portion, the one end is a stiff end, and the other end is a connecting end, and this connecting end is provided with one and links groove; And
One screw, the one end is done for nail, and the other end wherein should link parts and combine with the binding groove of this bearing portion for linking parts;
It is characterized in that: this binding parts and link groove utilize the combination of single shaft pivoting mechanism before art, making before this bearing portion Rhizoma Atractylodis Macrocephalae can only be according to spool being rotated that this nail is done.
2. orthopaedics as claimed in claim 1 is with rotating nail, and wherein the binding parts of this screw are plectane, oblique plectane or arc plectane, and this binding groove is the relative flute profile that equals or be slightly larger than this binding parts plate body outer rim.
3. orthopaedics as claimed in claim 1 is with rotating nail, and wherein this single shaft pivoting mechanism further comprises a mechanism of ammonium fixation, uses so that the binding groove of the binding parts of this screw and this bearing portion is combined into one.
4. as requiring 1,2 or 3 described orthopaedics with rotating nail in the right, wherein the binding parts of this screw are to be provided with the crack.
5. mechanism of ammonium fixation as claimed in claim 3, wherein this mechanism of ammonium fixation be for crack packing mechanism of ammonium fixation, groove be fixed mechanism, groove-crack packing mechanism of ammonium fixation, bulge/recess-crack packing mechanism of ammonium fixation or polygonal fixing-crack packing mechanism that is fixed.
6. as claim 1,2,3 or 5 described orthopaedics rotation nail, wherein this binding parts top is a ball arc concave surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201010034297 CN102133130B (en) | 2010-01-21 | 2010-01-21 | Rotating bone nail for orthopaedics |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201010034297 CN102133130B (en) | 2010-01-21 | 2010-01-21 | Rotating bone nail for orthopaedics |
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Publication Number | Publication Date |
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CN102133130A true CN102133130A (en) | 2011-07-27 |
CN102133130B CN102133130B (en) | 2013-05-08 |
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ID=44293151
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Application Number | Title | Priority Date | Filing Date |
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CN 201010034297 Expired - Fee Related CN102133130B (en) | 2010-01-21 | 2010-01-21 | Rotating bone nail for orthopaedics |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108498155A (en) * | 2018-04-26 | 2018-09-07 | 重庆医科大学附属永川医院 | A kind of anti-rotation pedicle screw of self-locking and its application method |
TWI639410B (en) * | 2017-03-17 | 2018-11-01 | 國立陽明大學 | The pedicle screw system with single plane motion and axial rotation |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2598519Y (en) * | 2003-01-29 | 2004-01-14 | 邱贵兴 | Intenral fixed device for vertebral arch pedicle of vertebral column |
DE102005005647A1 (en) * | 2005-02-08 | 2006-08-17 | Henning Kloss | Pedicle screw for spinal column stabilizing device, has screw head with two opposed oblong hole shaped recesses, and ball unit including recess for accommodating connecting unit and movably mounted in head |
-
2010
- 2010-01-21 CN CN 201010034297 patent/CN102133130B/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI639410B (en) * | 2017-03-17 | 2018-11-01 | 國立陽明大學 | The pedicle screw system with single plane motion and axial rotation |
CN108498155A (en) * | 2018-04-26 | 2018-09-07 | 重庆医科大学附属永川医院 | A kind of anti-rotation pedicle screw of self-locking and its application method |
CN108498155B (en) * | 2018-04-26 | 2023-06-20 | 重庆医科大学附属永川医院 | Self-locking anti-rotation pedicle screw and use method thereof |
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