CN101869506A - Cervical pedicle screw alignment apparatus - Google Patents
Cervical pedicle screw alignment apparatus Download PDFInfo
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- CN101869506A CN101869506A CN 201010237864 CN201010237864A CN101869506A CN 101869506 A CN101869506 A CN 101869506A CN 201010237864 CN201010237864 CN 201010237864 CN 201010237864 A CN201010237864 A CN 201010237864A CN 101869506 A CN101869506 A CN 101869506A
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- pedicle screw
- alignment apparatus
- guide rod
- screw alignment
- angular adjustment
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Abstract
The invention discloses a cervical pedicle screw alignment apparatus. The apparatus comprises a spinous process clamp and a connecting rod fixedly arranged on the spinous process clamp; the other end of the connecting rod is provided with a connecting plate; an angle adjusting rod is hinged on the connecting plate; a guide rod is inserted into the angle adjusting rod; the angle adjusting rod is also connected with a locking angle adjusting rod and a locking device for the guide rod; the guide rod is connected with an open-circuit conical cylinder into which an open-circuit cone is inserted; and the angle adjusting rod is also provided with an annular table and a sleeve gasket sleeved on the annular table, the sleeve gasket is axially and glidingly connected with the annular table, and the lateral surface of the sleeve gasket is provided with angle marking lines. The cervical pedicle screw alignment apparatus has the advantages of simple structure and convenient operation, can accurately position a pedicle screw implanting angle, and greatly improves the success rate of operation.
Description
Technical field
The invention belongs to cervical operation and use the utensil field, specifically is a kind of cervical pedicle screw alignment apparatus.
Background technology
Along with the development of treatment of cervical spondylopathy technology, the posterior cervical technique for fixing more and more is used at spinal surgery.The normal at present technology that adopts has two kinds: 1, lateral mass screw technique for fixing; 2, pedicle nail technique for fixing.Adopt the fixing shortcoming that exists of lateral mass screw to be: fixedly the arm of force is short for it, and the biomechanics constant intensity is not high, and three-dimensional is orthopedic and fixed effect is not good.Increasing clinician adopts the pedicle nail technique for fixing, because the thinner and complicated neighbouring relationship of pedicle for cervical vertebra arch, implant angle is difficult for holding during free-hand implantation pedicle nail, thereby operation risk is big, difficulty is high; The existing computer navigation technology that adopts is carried out the implantation of pedicle nail, but it costs an arm and a leg, and general hospital can't be equipped with this equipment or the patient is difficult to bear its high expense.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of cervical pedicle screw alignment apparatus, uses this sight to assist and carries out the implantation of pedicle nail, its simple in structure, accurate positioning.
For solving the problems of the technologies described above, the cervical pedicle screw alignment apparatus of following structure is provided: it comprises the spinous process clamp and is packed in connecting rod on the spinous process clamp, the other end of connecting rod is equipped with connecting plate, be hinged with the angular adjustment bar on the connecting plate, be fitted with slidably on the angular adjustment bar, rotating guide rod, also be connected with the locking device of locking angle adjusting rod and guide rod on the angular adjustment bar, be connected with the open circuit awl tube that inserts for the open circuit awl on the guide rod.
After adopting said structure, when carrying out the implant surgery of pedicle nail, clamp the ortho position spinous process by the spinous process clamp, the pedicle of vertebral arch angle of splay and the sagittal angle that provide according to CT examination before the art, anglec of rotation adjusting rod is adjusted the guide rod and the angle of canalis spinalis axial line and the angle at pedicle of vertebral arch angle of splay and sagittal angle and is adapted, again by locking device locking angle adjusting rod and guide rod, adopt king Dong Laifa to choose entry point, and by sliding guide will open a way the awl the awl end place the entry point place, hole by the open circuit awl, can insert pedicle nail after probe in detecting boring is errorless.This sight is simple in structure, easy to operate, can accurately carry out the location of pedicle nail implant angle, has improved success rate of operation greatly.
As improvement of the present invention, leading described angular adjustment bar is provided with the ring platform and is sleeved on the sleeve gasket that encircles on the platform, sleeve gasket and Huan Tai are in axial sliding connection, the side of sleeve gasket is provided with angle and indicates line, can indicate the angle that line is accurately read guide rod and canalis spinalis axial line by angle, make it to adapt with the angle at pedicle of vertebral arch angle of splay and sagittal angle.
The lateral surface of ring platform and the medial surface key of sleeve gasket are connected, thereby realize that sleeve gasket is in axial sliding connection and encircles platform and rotates with sleeve gasket with Huan Tai.
As a further improvement on the present invention, described connecting plate is provided with strip hole, described angular adjustment bar is inserted in the strip hole, this plug-in mounting structure both can have been realized the hinge dress of angular adjustment bar and connecting plate, can also adjust the distance between angular adjustment bar and the cervical vertebra, so that the guide rod that is provided with on the angular adjustment bar away from or shift to the pedicle for cervical vertebra arch position, better realize the insertion boring of open circuit awl.
One end of guide rod is provided with and the orthogonal long tube of guide rod axis, and described open circuit awl tube is inserted in the long tube, and long tube is provided with the clamping screw of locking open circuit awl tube insertion depth.
As a kind of specific constructive form of spinous process clamp, described spinous process clamp comprises hinged left claw beam and right claw beam, and the front end correspondence of left and right claw beam is provided with jaw, the rear end is provided with gripping mechanism.
As a further improvement on the present invention, left side claw beam is provided with hinge, right claw beam is provided with two fraisings, check plate is installed in the fraising, the end of hinge is provided with the non-return platform, can realize the size of jaw by hinge and cooperating of diverse location fraising, thereby make this spinous process clamp be applicable to the cervical vertebra of different sizes.
Described gripping mechanism comprises the retaining projection that the chucking bar that is hinged on the left claw beam and right claw beam end are provided with, the retaining groove that the inner surface of chucking bar is provided with and the retaining projection cooperates.
Described locking device is the locking nut that is screwed onto on the angular adjustment bar.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the sketch map of right apparent direction among Fig. 1.
The specific embodiment
Cervical pedicle screw alignment apparatus as shown in drawings, it comprises connecting rod 1, one end of connecting rod 1 is fixed with spinous process clamp 2, the other end is equipped with connecting plate 3, spinous process clamp 2 can play the effect of fixing and locating relative position between this sight and the cervical vertebra, therefore it can adopt different version, in an embodiment of the present invention, spinous process clamp 2 comprises hinged left claw beam 21 and right claw beam 22, the front end correspondence of left and right claw beam is provided with jaw, the rear end is provided with gripping mechanism, the shape of jaw is specially adapted to clamp vertebral body as shown in fig. 1.Left side claw beam 21 is provided with hinge 23, and right claw beam 22 is provided with two fraisings 24, and check plate 26 is installed in the fraising 24, and the end of hinge 23 is provided with non-return platform 25.Above-mentioned gripping mechanism comprises the retaining projection 29 that the chucking bar 27 that is hinged on the right claw beam 22 and left claw beam 21 ends are provided with, and the inner surface of chucking bar 27 is provided with and the retaining projection 29 retaining grooves 28 that cooperate.Be hinged with angular adjustment bar 7 on the above-mentioned connecting plate 3, be equipped with slidably on the angular adjustment bar, rotating guide rod 4, the effect of this angular adjustment bar is a three-dimensional perspective of adjusting guide rod, in the most preferred embodiment that the present invention provides, connecting plate 3 is provided with strip hole 11, angular adjustment bar 7 is inserted in the strip hole 11, one end of angular adjustment bar 7 is provided with the through hole for guide rod 4 plug-in mountings, the other end is provided with the locking device of locking angle adjusting rod and guide rod, the cross section of guide rod 4 is circular and above-mentioned through hole is circle, thereby guide rod 4 can slide along the axis direction of guide rod, also can center on this axis rotation, after guide rod 4 is inserted into angular adjustment bar 7, when angular adjustment bar 7 rotates, can order about the axis rotation of guide rod 4 along the angular adjustment bar, this locking device can be for being screwed onto the locking nut 8 on the angular adjustment bar 7, also be provided with ring platform 9 on the angular adjustment bar 7 and be sleeved on the sleeve gasket 10 that encircles on the platform 9, sleeve gasket 10 is in axial sliding connection with ring platform 9, the side of sleeve gasket 10 is provided with angle and indicates line, angle indicates line and does not illustrate in the drawings, its axis direction along angular adjustment bar 7 is identified on the side of sleeve gasket 10, the lateral surface of ring platform 9 and the medial surface key of sleeve gasket 10 are connected, above-mentioned locking device is to lock angle adjusting rod and guide rod like this: after adjusting the position and angle of guide rod 4, screw locking nut 8, ring platform 9 direction to connecting plate 3 in sleeve gasket 10 is slided, this moment, guide rod 4 was pressed close to the end face of sleeve gasket 10 gradually, screw when putting in place, guide rod 4 is close on the end face of sleeve gasket 10, one end face of ring platform 9 abuts on the connecting plate 3, angular adjustment bar 7 can not rotate at this moment, guide rod 4 can not rotate and slide, and promptly realizes locking process.One end of guide rod 4 is provided with the long tube 12 with guide rod 4 orthogonal axes, be fitted with open circuit awl tube 5 in the long tube 12, long tube 12 is provided with the clamping screw 13 of locking open circuit awl tube 5 insertion depths, is fitted with open circuit awl 6 on the open circuit awl tube 5, and the end of open circuit awl 6 is provided with handle ball 14.
Use of the present invention is as follows: when carrying out the implant surgery of pedicle nail, clamp the ortho position spinous process by spinous process clamp 2, can vary in size according to different patients' cervical vertebra hinge 23 is inserted in the different fraising 24, thereby adjust the cervical vertebra that jaw is applicable to different sizes, the pedicle of vertebral arch angle of splay and the sagittal angle that provide according to CT examination before the art, at first twitching guide rod 4 makes the open circuit awl tube of its end installation be positioned at the cervical vertebra position that needs operation, rotating guide-bar 4 again, this moment, the rotation of guide rod 4 was that axis with angular adjustment bar 7 is an axle, drive sleeve gasket by ring platform 9 and cooperating of sleeve gasket 10 when guide rod rotates also rotates thereupon, indicate line by the angle that reads on sleeve gasket 10 lateral surface, determine that rotational angle makes it to adapt with pedicle of vertebral arch angle of splay angle, adopt king Dong Laifa to choose entry point, allow guide rod 4 rotate a little and place the entry point place by the open circuit awl tube that the slides awl end of boring of open a way around self axis, by locking nut 8 lockings, hole by the open circuit awl, can insert pedicle nail after probe in detecting boring is errorless.In the said process, guide rod 4 can rotate along the axis of angular adjustment bar 7, also can rotate along self axis, because open circuit awl 6 and guide rod 4 quadratures, thereby realizes the three-dimensional running fix of open circuit awl awl end, determines the implant angle of pedicle nail more accurately.
Claims (9)
1. cervical pedicle screw alignment apparatus, it is characterized in that this sight comprises spinous process clamp (2) and is packed in connecting rod (1) on the spinous process clamp (2), the other end of connecting rod (1) is equipped with connecting plate (3), be hinged with angular adjustment bar (7) on the connecting plate (3), the angular adjustment bar is fitted with slidably on (7), rotating guide rod (4), also be connected with the locking device of locking angle adjusting rod (7) and guide rod (4) on the angular adjustment bar (7), be connected with the open circuit awl tube (5) that inserts for open circuit awl (6) on the guide rod (4).
2. cervical pedicle screw alignment apparatus according to claim 1, it is characterized in that: described angular adjustment bar (7) is provided with ring platform (9) and is sleeved on the sleeve gasket (10) that encircles on the platform (9), sleeve gasket (10) is in axial sliding connection with ring platform (9), and the side of sleeve gasket (10) is provided with angle and indicates line.
3. cervical pedicle screw alignment apparatus according to claim 2 is characterized in that: the lateral surface of ring platform (9) and the medial surface key of sleeve gasket (10) are connected.
4. cervical pedicle screw alignment apparatus according to claim 2 is characterized in that: described connecting plate (3) is provided with strip hole (11), and described angular adjustment bar (7) is inserted in the strip hole (11).
5. cervical pedicle screw alignment apparatus according to claim 1, it is characterized in that: an end of described guide rod (4) is provided with the long tube (12) with guide rod (4) orthogonal axe, described open circuit awl tube (5) is inserted in the long tube (12), and long tube (12) is provided with the clamping screw (13) of locking open circuit awl tube (5) insertion depth.
6. cervical pedicle screw alignment apparatus according to claim 1 is characterized in that: described spinous process clamp (2) comprises hinged left claw beam (21) and right claw beam (22), and the front end correspondence of left and right claw beam is provided with jaw, the rear end is provided with gripping mechanism.
7. cervical pedicle screw alignment apparatus according to claim 6, it is characterized in that: left claw beam (21) is provided with hinge (23), right claw beam (22) is provided with two fraisings (24), and check plate (26) is installed in the fraising (24), and the end of hinge (23) is provided with non-return platform (25).
8. cervical pedicle screw alignment apparatus according to claim 6, it is characterized in that: described gripping mechanism comprises the retaining projection (29) that the chucking bar (27) that is hinged on the right claw beam (22) and left claw beam (21) end are provided with, and the inner surface of chucking bar (27) is provided with the retaining groove (28) that cooperates with retaining projection (29).
9. cervical pedicle screw alignment apparatus according to claim 1 is characterized in that: described locking device is for being screwed onto the locking nut (8) on the angular adjustment bar (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102378647A CN101869506B (en) | 2010-07-28 | 2010-07-28 | Cervical pedicle screw alignment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102378647A CN101869506B (en) | 2010-07-28 | 2010-07-28 | Cervical pedicle screw alignment apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101869506A true CN101869506A (en) | 2010-10-27 |
| CN101869506B CN101869506B (en) | 2011-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102378647A Expired - Fee Related CN101869506B (en) | 2010-07-28 | 2010-07-28 | Cervical pedicle screw alignment apparatus |
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| CN (1) | CN101869506B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102727296A (en) * | 2012-07-07 | 2012-10-17 | 苏州市康力骨科器械有限公司 | Minimally invasive sighting device |
| CN102755188A (en) * | 2012-08-06 | 2012-10-31 | 周健 | Axis odontoid screw sighting device |
| CN103445853A (en) * | 2013-08-27 | 2013-12-18 | 徐兆万 | Suspension arm type odontoid guide needle sighting device |
| CN103565508A (en) * | 2013-11-26 | 2014-02-12 | 段强民 | Orthopedic guide reset pincers |
| CN103732163A (en) * | 2011-08-10 | 2014-04-16 | 须田浩太 | Puncturing tool |
| CN104758045A (en) * | 2015-04-14 | 2015-07-08 | 曹兰 | Elastic piece damping type dual-ring odontoid sighting device |
| CN105662571A (en) * | 2016-03-21 | 2016-06-15 | 段强民 | Same-plane and equal-angle swinging orthopaedic guide reset pliers |
| CN106037909A (en) * | 2016-05-19 | 2016-10-26 | 汤向阳 | Thoracolumbar spine vertebral pedicle screw entrance point and angle positioning device |
| CN108814675A (en) * | 2018-04-27 | 2018-11-16 | 中南大学湘雅医院 | Patella microfracture operation device |
| CN111870336A (en) * | 2020-08-18 | 2020-11-03 | 黄亚增 | Percutaneous minimally invasive solid pedicle screw rod imbedding guiding aiming device system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1360878A (en) * | 2002-01-22 | 2002-07-31 | 中国人民解放军***南京总医院 | Three-dimensional locator for pedicle for cervical vertebra arch |
| CN2862997Y (en) * | 2006-01-11 | 2007-01-31 | 肖京 | Shaft line guiding means for pedicle of vertebral arch |
| CN201088623Y (en) * | 2007-10-17 | 2008-07-23 | 徐荣明 | Position device for the cervical pedicle for screw placement |
| CN201275138Y (en) * | 2008-10-30 | 2009-07-22 | 于杰 | Three-dimensional adjustable screw locater for vertebral pedicle |
-
2010
- 2010-07-28 CN CN2010102378647A patent/CN101869506B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1360878A (en) * | 2002-01-22 | 2002-07-31 | 中国人民解放军***南京总医院 | Three-dimensional locator for pedicle for cervical vertebra arch |
| CN2862997Y (en) * | 2006-01-11 | 2007-01-31 | 肖京 | Shaft line guiding means for pedicle of vertebral arch |
| CN201088623Y (en) * | 2007-10-17 | 2008-07-23 | 徐荣明 | Position device for the cervical pedicle for screw placement |
| CN201275138Y (en) * | 2008-10-30 | 2009-07-22 | 于杰 | Three-dimensional adjustable screw locater for vertebral pedicle |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9039709B2 (en) | 2011-08-10 | 2015-05-26 | Kota Suda | Puncture instrument |
| CN103732163A (en) * | 2011-08-10 | 2014-04-16 | 须田浩太 | Puncturing tool |
| CN103732163B (en) * | 2011-08-10 | 2015-02-04 | 须田浩太 | Puncturing tool |
| CN102727296A (en) * | 2012-07-07 | 2012-10-17 | 苏州市康力骨科器械有限公司 | Minimally invasive sighting device |
| CN102755188A (en) * | 2012-08-06 | 2012-10-31 | 周健 | Axis odontoid screw sighting device |
| CN103445853A (en) * | 2013-08-27 | 2013-12-18 | 徐兆万 | Suspension arm type odontoid guide needle sighting device |
| CN103445853B (en) * | 2013-08-27 | 2015-04-22 | 徐兆万 | Suspension arm type odontoid guide needle sighting device |
| CN103565508B (en) * | 2013-11-26 | 2015-05-27 | 段强民 | Orthopedic guide reset pincers |
| CN103565508A (en) * | 2013-11-26 | 2014-02-12 | 段强民 | Orthopedic guide reset pincers |
| CN104758045A (en) * | 2015-04-14 | 2015-07-08 | 曹兰 | Elastic piece damping type dual-ring odontoid sighting device |
| CN106344143A (en) * | 2015-04-14 | 2017-01-25 | 曹兰 | Damping type sighting device for odontoid process of vertebra dentata |
| CN105662571A (en) * | 2016-03-21 | 2016-06-15 | 段强民 | Same-plane and equal-angle swinging orthopaedic guide reset pliers |
| CN105662571B (en) * | 2016-03-21 | 2018-04-20 | 段强民 | A kind of coplanar orthopaedics angularly swung is oriented to reduction forceps |
| CN106037909A (en) * | 2016-05-19 | 2016-10-26 | 汤向阳 | Thoracolumbar spine vertebral pedicle screw entrance point and angle positioning device |
| CN108814675A (en) * | 2018-04-27 | 2018-11-16 | 中南大学湘雅医院 | Patella microfracture operation device |
| CN108814675B (en) * | 2018-04-27 | 2020-01-17 | 中南大学湘雅医院 | Patella microfracture operation device |
| CN111870336A (en) * | 2020-08-18 | 2020-11-03 | 黄亚增 | Percutaneous minimally invasive solid pedicle screw rod imbedding guiding aiming device system |
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| CN101869506B (en) | 2011-07-20 |
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Granted publication date: 20110720 Termination date: 20120728 |