CN101822572B - Screw holding rod, screw holding rod structure and spine internal fixing auxiliary system - Google Patents
Screw holding rod, screw holding rod structure and spine internal fixing auxiliary system Download PDFInfo
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- CN101822572B CN101822572B CN2010101199692A CN201010119969A CN101822572B CN 101822572 B CN101822572 B CN 101822572B CN 2010101199692 A CN2010101199692 A CN 2010101199692A CN 201010119969 A CN201010119969 A CN 201010119969A CN 101822572 B CN101822572 B CN 101822572B
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- screw
- bar
- head
- nail
- masts
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Abstract
Description
Claims (14)
- One kind be convenient to that internal fixation system inserts hold the nail bar; The pedicle screw that is used for the clamping internal fixation system, said pedicle screw comprises shank of screw and head of screw, the first end of said screw has the cavity volume that makes the universal rotation within it of shank of screw head; The other end is a hollow circuit cylinder; Have the U-lag mouth of two perforations of allowing that pitman passes on it, said two U-lag mouths separate into two centrosymmetric circumferential arcual pillars that are with hollow circuit cylinder, and two pillar inboards have the female thread that is used for the plug screw screw-in; It is characterized in that; The said nail bar of holding comprises that one has the stigma of tubular cavity, and from the tube wall of an end of the said stigma mast of parallel two elongated rod shape of stretching out in the same way, two masts are along the central shaft symmetry of said stigma; What said two masts inboard constituted can insert plug screw along the passage of bar length direction and the tubular cavity of stigma; The free end medial surface of said two masts has to be connected along the bar length direction with the head of screw lateral surface and is the syndeton of one, and when connecting as one, makes the channel connection of the inboard said passage that constitutes of said two masts and the U-lag mouth formation of perforation, and the diameter of two passages allows that all pitman passes; The lateral surface of two masts is overhanging slightly to said mast free end direction respectively, so that said holding separating and being connected between nail bar and the said pedicle screw, formation has the lateral surface of tapering; Said two masts have one section along the long female that extends of bar, and said lateral surface with tapering is the lateral surface of female, and said female lays respectively at the middle part or the middle and upper part of two masts.
- 2. the described nail bar of holding of claim 1 is characterized in that the radial position of the other end of said stigma is provided with two pin-and-holes symmetrically.
- 3. the described nail bar of holding of claim 1 is characterized in that the lateral surface of said two masts is along circumferential arc surface.
- 4. the described nail bar of holding of one of claim 1-3 is characterized in that said syndeton is the setting of free end inside side walls and two snap-in structures that column outer wall matches said head of screw of two masts.
- 5. the described nail bar of holding of claim 4; It is characterized in that said snap-in structure is included in the free end tangent plane that two mast free end inboards are provided with respectively, the distance between the shape of said free end tangent plane and the said free end tangent plane makes said two masts be suitable for clamp screws two a pillar lateral surface; Said free end tangent plane and said head of screw two pillar lateral surface constitute the convex-concave fit structure.
- 6. the described nail bar of holding of claim 5; It is characterized in that said convex-concave fit structure comprises that said head of screw two pillar lateral surface are symmetrically arranged with one respectively along circumferential groove near strut end head; Accordingly; The engaging pit that is provided with away from the position of free end termination in the said free end tangent plane, the width and the said groove of engaging pit are consistent to the length of strut end head, and the distance of said engaging pit distance two mast free end terminations is consistent with the width of a column outer wall upper groove.
- 7. the described nail bar of holding of one of claim 1-3; The place, both sides of the edge that it is characterized in that the syndeton that the free end of said two masts is connected with head of screw is provided with the tabs towards axis direction respectively, and the bending degree of this tabs fits tightly the section at the axial edge place of head of screw correspondence syndeton for its inboard.
- 8. claim 5 or the 6 described nail bars of holding; The place, both sides of the edge that it is characterized in that the syndeton that the free end of said two masts is connected with head of screw is provided with the tabs towards axis direction respectively, and the bending degree of this tabs is to make this tabs inboard can fit tightly the section at the place, both sides of the edge of the corresponding syndeton of head of screw.
- 9. hold nail bar structure for one kind, it is characterized in that comprising one of claim 1-3 or claim 7 said hold the nail bar and said hold nail bar two mast lateral surface fits can be at the said fastening sleeve of screw that slides on the nail roofbolt bar of holding.
- 10. hold nail bar structure for one kind; It is characterized in that comprising described nail bar and the fastening sleeve of screw held of one of claim 1-6 or claim 8; Said nail bar two masts of holding have one section along the long female that extends of bar; Said screw adapter sleeve jacket casing is combined in the lateral surface of said female, and can in the zone of said female, slide.
- 11. spine internal fixing auxiliary system; It is characterized in that comprising claim 9 or the 10 said nail bar structures of holding, comprise that also one arcually send excellent bar, the said tail end that send excellent bar is for holding the hollow structure of pitman; Said hollow structure inboard is provided with the locking piece that is fixedly connected rod; Said locking piece links to each other with the excellent bolt of lock, and the excellent bolt of said lock passes and send excellent bar to arrive and pass the head end that send excellent bar, with the head end control locking piece that send excellent bar fixing and unclamp pitman.
- 12. the described spine internal fixing auxiliary system of claim 11; It is characterized in that also comprising a shaft-like nail rod localizer; Excellent localizer one end of said nail and stigma are rotatably connected, and the excellent localizer of nail can rotated through the junction point center and in perpendicular to the collinear plane between junction point; The said head end of excellent bar that send is connected through quick change construction with the other end of the excellent localizer of said nail, and the excellent localizer of said nail is equal with the distance of passing from this straight line to the head of screw pitman after said mast is connected the screwing head around the radius of the straight line between junction point rotation.
- 13. the described spine internal fixing auxiliary system of claim 12 is characterized in that said quick change construction is the magic chuck device for clamping.
- 14. the described spine internal fixing auxiliary system of claim 12; It is characterized in that the excellent localizer of said nail is the opening support arm structure spare of a U-shaped; Said opening support arm structure spare has two support arms that take the shape of the letter U; Two terminal inboards of said support arm are symmetrically arranged with two backing pins, the radial position of said stigma be symmetrically arranged with two with the suitable pin-and-hole of said backing pin, the support arm of said U-shaped is provided with the locking bolt near the position of said backing pin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010101199692A CN101822572B (en) | 2010-03-08 | 2010-03-08 | Screw holding rod, screw holding rod structure and spine internal fixing auxiliary system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010101199692A CN101822572B (en) | 2010-03-08 | 2010-03-08 | Screw holding rod, screw holding rod structure and spine internal fixing auxiliary system |
Publications (2)
Publication Number | Publication Date |
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CN101822572A CN101822572A (en) | 2010-09-08 |
CN101822572B true CN101822572B (en) | 2012-08-01 |
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CN2010101199692A Active CN101822572B (en) | 2010-03-08 | 2010-03-08 | Screw holding rod, screw holding rod structure and spine internal fixing auxiliary system |
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CN (1) | CN101822572B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102485178B (en) * | 2010-12-06 | 2013-10-30 | 刘峻 | Percutaneous vertebral pedicle screw inner fixing device |
CN106361413A (en) * | 2015-07-24 | 2017-02-01 | 镱钛科技股份有限公司 | Puncture guiding apparatus |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2617324Y (en) * | 2003-04-14 | 2004-05-26 | 王伟 | Internal vertebral column fixer through skin puncture |
CN101031248A (en) * | 2004-08-27 | 2007-09-05 | 黑石医药股份有限公司 | Multi-axial connection system |
CN101327146A (en) * | 2008-07-31 | 2008-12-24 | 中国人民解放军第三军医大学第二附属医院 | Double-groove channel-to-channel connection type percutaneous vertebral pedicle screw nail internal fixation system |
CN101342087A (en) * | 2003-12-16 | 2009-01-14 | 德普伊斯派尔公司 | Methods and devices for minimally invasive spinal fixation element placement. |
CN101444437A (en) * | 2008-12-23 | 2009-06-03 | 张翱 | Internal fixator for spine pedicle screws and rods |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7491207B2 (en) * | 2004-04-12 | 2009-02-17 | Synthes Usa, Llc | Rod persuader |
EP2004079B1 (en) * | 2006-04-11 | 2013-07-10 | Synthes GmbH | Minimally invasive fixation system |
CN201379636Y (en) * | 2009-04-09 | 2010-01-13 | 彭庄 | Percutaneous puncturing spine posterior vertebral pedicle nail bar fixing system |
-
2010
- 2010-03-08 CN CN2010101199692A patent/CN101822572B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2617324Y (en) * | 2003-04-14 | 2004-05-26 | 王伟 | Internal vertebral column fixer through skin puncture |
CN101342087A (en) * | 2003-12-16 | 2009-01-14 | 德普伊斯派尔公司 | Methods and devices for minimally invasive spinal fixation element placement. |
CN101031248A (en) * | 2004-08-27 | 2007-09-05 | 黑石医药股份有限公司 | Multi-axial connection system |
CN101327146A (en) * | 2008-07-31 | 2008-12-24 | 中国人民解放军第三军医大学第二附属医院 | Double-groove channel-to-channel connection type percutaneous vertebral pedicle screw nail internal fixation system |
CN101444437A (en) * | 2008-12-23 | 2009-06-03 | 张翱 | Internal fixator for spine pedicle screws and rods |
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CN101822572A (en) | 2010-09-08 |
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Assignee: Nathon Biotechnology (Beijing) Co.,Ltd. Assignor: Beijing Natong Investment Co.,Ltd. Contract record no.: 2011110000177 Denomination of invention: Screw holding rod, screw holding rod structure and spine internal fixing auxiliary system License type: Common License Open date: 20100908 Record date: 20111013 |
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Address after: 100082 Beijing city Haidian District Deshengmen West Street No. 15 ocean scenery area 8-2-1201 room Applicant after: Beijing naton Investment Group Ltd. Address before: 100082 Beijing city Haidian District Deshengmen West Street No. 15 ocean scenery District No. 8-2-1201 Applicant before: Beijing Natong Investment Co.,Ltd. Address after: 100082 Beijing city Haidian District Deshengmen West Street No. 15 ocean scenery area 8-2-1201 room Applicant after: BEIJING NATON TECHNOLOGY GROUP Co.,Ltd. Address before: 100082 Beijing city Haidian District Deshengmen West Street No. 15 ocean scenery area 8-2-1201 room Applicant before: Beijing naton Investment Group Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: BEIJING NATONG INVESTMENT CO., LTD. TO: BEIJING NATON INVESTMENT GROUP CO., LTD. Free format text: CORRECT: APPLICANT; FROM: BEIJING NATON INVESTMENT GROUP CO., LTD. TO: BEIJING NATON TECHNOLOGY GROUP CO., LTD. |
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Application publication date: 20100908 Assignee: TIANJIN ZHENGTIAN MEDICAL APPLIANCE Co.,Ltd. Assignor: BEIJING NATON TECHNOLOGY GROUP Co.,Ltd. Contract record no.: 2014110000054 Denomination of invention: Screw holding rod, screw holding rod structure and spine internal fixing auxiliary system Granted publication date: 20120801 License type: Common License Record date: 20140829 |
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Application publication date: 20100908 Assignee: TIANJIN JINXINGDA INDUSTRIAL Co.,Ltd. Assignor: BEIJING NATON TECHNOLOGY GROUP Co.,Ltd. Contract record no.: 2014110000058 Denomination of invention: Screw holding rod, screw holding rod structure and spine internal fixing auxiliary system Granted publication date: 20120801 License type: Common License Record date: 20140909 |
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Denomination of invention: A nail holding rod, nail holding rod structure and spinal internal fixation auxiliary system Effective date of registration: 20220719 Granted publication date: 20120801 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: BEIJING NATON TECHNOLOGY GROUP Co.,Ltd. Registration number: Y2022110000159 |
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Date of cancellation: 20230920 Granted publication date: 20120801 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: BEIJING NATON TECHNOLOGY GROUP Co.,Ltd. Registration number: Y2022110000159 |
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Effective date of registration: 20240303 Address after: G356, 3rd floor, building 1, yard 9, CHENGWAN street, Haidian District, Beijing 100094 Patentee after: Beijing natong Medical Technology Holding Co.,Ltd. Country or region after: China Address before: 100082 room 8-2-1201, ocean view area 15, Desheng West Street, Haidian District, Beijing. Patentee before: BEIJING NATON TECHNOLOGY GROUP Co.,Ltd. Country or region before: China |