JP5054481B2 - 椎骨連結部材 - Google Patents
椎骨連結部材 Download PDFInfo
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- JP5054481B2 JP5054481B2 JP2007257987A JP2007257987A JP5054481B2 JP 5054481 B2 JP5054481 B2 JP 5054481B2 JP 2007257987 A JP2007257987 A JP 2007257987A JP 2007257987 A JP2007257987 A JP 2007257987A JP 5054481 B2 JP5054481 B2 JP 5054481B2
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- Prior art keywords
- head
- rod
- vertebra
- screw
- holding
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7035—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
- A61B17/7037—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other wherein pivoting is blocked when the rod is clamped
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/72—Intramedullary pins, nails or other devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/82—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin for bone cerclage
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7032—Screws or hooks with U-shaped head or back through which longitudinal rods pass
Description
そして、頭部によって下部内壁面が押圧されると、頭部保持部材が弾性変形可能し、弾性変形をした後の復元力により頭部を挟み込むため、頭部保持部材と頭部との固定をより強固にすることが可能となる。
そして、頭部によって下部内壁面が押圧されると、頭部保持部材が弾性変形可能し、弾性変形をした後の復元力により頭部を挟み込むため、頭部保持部材と頭部との固定をより強固にすることが可能となる。
Claims (13)
- ロッドを介して複数の椎骨を連結する椎骨連結部材であって、
一端に設けられた球状の頭部と、前記椎骨にねじ込まれるスクリュー部とを有するスクリュー部材と、
前記スクリュー部が挿通される穴と、前記穴に前記スクリュー部が挿通された前記スクリュー部材の前記頭部を受け、前記スクリュー部材を傾動自在に支持する頭部支持部と、前記ロッドが挿入されるロッド挿入部とを有して、前記スクリュー部材と前記ロッドとを連結する連結部材と、
前記頭部を保持する頭部保持部と、前記ロッド挿入部に挿入されて前記ロッドを保持するロッド保持部とを有し、前記連結部材内において前記ロッドと前記頭部との間に挿入される頭部保持部材と、
前記ロッド及び前記頭部保持部材を介して前記頭部を前記頭部支持部に向けて押圧する押圧部材と、を備え、
前記頭部の表面及び前記頭部保持部の下部内壁面のうち少なくとも一つは粗面化処理されており、
前記頭部保持部材は、前記頭部によって前記下部内壁面が押圧されたときに弾性変形可能なスリットが設けられており、前記弾性変形をした後の復元力により前記頭部を挟み込むように構成されていることを特徴とする椎骨連結部材。 - 前記粗面化処理は、サンドブラスト処理により行われていることを特徴とする請求項1に記載の椎骨連結部材。
- 前記頭部保持部材は、前記下部内壁面に前記頭部保持部を有する環状部を有し、
前記スリットは、前記環状部の下端から上方に向けて設けられていることを特徴とする請求項1又は2に記載の椎骨連結部材。 - 前記頭部保持部材は、前記環状部の下端部に切欠きが設けられていることを特徴とする請求項3に記載の椎骨連結部材。
- 前記頭部支持部及び前記頭部保持部は、前記頭部と適合する凹曲面状に形成されていることを特徴とする請求項1〜4の何れか1項に記載の椎骨連結部材。
- 前記頭部、前記頭部支持部及び前記頭部保持部のうち少なくとも一つは、突起が設けられていることを特徴とする請求項1〜5の何れか1項に記載の椎骨連結部材。
- 前記押圧部材は、前記連結部材の内側にねじ込まれることを特徴とする請求項1〜6の何れか1項に記載の椎骨連結部材。
- ロッドを介して複数の椎骨を連結する椎骨連結部材であって、
一端に設けられた球状の頭部と、前記椎骨にねじ込まれるスクリュー部とを有するスクリュー部材と、
前記スクリュー部が挿通される穴と、前記穴に前記スクリュー部が挿通された前記スクリュー部材の前記頭部を受け、前記スクリュー部材を傾動自在に支持する頭部支持部と、前記ロッドが挿入されるロッド挿入部とを有して、前記スクリュー部材と前記ロッドとを連結する連結部材と、
前記頭部を保持する頭部保持部と、前記ロッド挿入部に挿入されて前記ロッドを保持するロッド保持部とを有し、前記連結部材内において前記ロッドと前記頭部との間に挿入される頭部保持部材と、
前記ロッド及び前記頭部保持部材を介して前記頭部を前記頭部支持部に向けて押圧する押圧部材と、を備え、
前記頭部の表面及び前記頭部保持部の下部内壁面の少なくとも一方には、滑り防止剤又は接着剤が塗布されており、
前記頭部保持部材は、前記頭部によって前記下部内壁面が押圧されたときに弾性変形可能なスリットが設けられており、前記弾性変形をした後の復元力により前記頭部を挟み込むように構成されていることを特徴とする椎骨連結部材。 - 前記頭部保持部材は、前記下部内壁面に前記頭部保持部を有する環状部を有し、
前記スリットは、前記環状部の下端から上方に向けて設けられていることを特徴とする請求項8に記載の椎骨連結部材。 - 前記頭部保持部材は、前記環状部の下端部に切欠きが設けられていることを特徴とする請求項9に記載の椎骨連結部材。
- 前記頭部支持部及び前記頭部保持部は、前記頭部と適合する凹曲面状に形成されていることを特徴とする請求項8〜10の何れか1項に記載の椎骨連結部材。
- 前記頭部、前記頭部支持部及び前記頭部保持部のうち少なくとも一つは、突起が設けられていることを特徴とする請求項8〜11の何れか1項に記載の椎骨連結部材。
- 前記押圧部材は、前記連結部材の内側にねじ込まれることを特徴とする請求項8〜12の何れか1項に記載の椎骨連結部材。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/584216 | 2006-10-20 | ||
US11/584,216 US20080177324A1 (en) | 2006-10-20 | 2006-10-20 | Vertebra connection member |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008100059A JP2008100059A (ja) | 2008-05-01 |
JP5054481B2 true JP5054481B2 (ja) | 2012-10-24 |
Family
ID=38950786
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007257987A Active JP5054481B2 (ja) | 2006-10-20 | 2007-10-01 | 椎骨連結部材 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20080177324A1 (ja) |
EP (1) | EP1913885B1 (ja) |
JP (1) | JP5054481B2 (ja) |
KR (1) | KR20080035972A (ja) |
DE (1) | DE602007002602D1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7503924B2 (en) | 2004-04-08 | 2009-03-17 | Globus Medical, Inc. | Polyaxial screw |
US8475495B2 (en) | 2004-04-08 | 2013-07-02 | Globus Medical | Polyaxial screw |
US9198694B2 (en) | 2011-07-15 | 2015-12-01 | Globus Medical, Inc. | Orthopedic fixation devices and methods of installation thereof |
US9993269B2 (en) | 2011-07-15 | 2018-06-12 | Globus Medical, Inc. | Orthopedic fixation devices and methods of installation thereof |
US8888827B2 (en) | 2011-07-15 | 2014-11-18 | Globus Medical, Inc. | Orthopedic fixation devices and methods of installation thereof |
US9358047B2 (en) | 2011-07-15 | 2016-06-07 | Globus Medical, Inc. | Orthopedic fixation devices and methods of installation thereof |
US9186187B2 (en) | 2011-07-15 | 2015-11-17 | Globus Medical, Inc. | Orthopedic fixation devices and methods of installation thereof |
JP6291636B2 (ja) * | 2015-08-05 | 2018-03-14 | 裕美子 松井 | 縫製品・鞄・容器類作成のための土台パーツと補助・補強・付属パーツ |
WO2017180653A1 (en) | 2016-04-11 | 2017-10-19 | Osteovantage, Inc | Spinal instrumentation to enhance osteogenesis and fusion |
US10485596B2 (en) * | 2016-12-06 | 2019-11-26 | Medos International Sàrl | Longitudinally-adjustable bone anchors and related methods |
US9763700B1 (en) | 2016-12-14 | 2017-09-19 | Spine Wave, Inc. | Polyaxial bone screw |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3923996A1 (de) * | 1989-07-20 | 1991-01-31 | Lutz Biedermann | Aufnahmeteil zum gelenkigen verbinden mit einer schraube zum bilden einer pedikelschraube |
US5360431A (en) * | 1990-04-26 | 1994-11-01 | Cross Medical Products | Transpedicular screw system and method of use |
US6077262A (en) * | 1993-06-04 | 2000-06-20 | Synthes (U.S.A.) | Posterior spinal implant |
US5628740A (en) * | 1993-12-23 | 1997-05-13 | Mullane; Thomas S. | Articulating toggle bolt bone screw |
DE19509332C1 (de) * | 1995-03-15 | 1996-08-14 | Harms Juergen | Verankerungselement |
US5782833A (en) * | 1996-12-20 | 1998-07-21 | Haider; Thomas T. | Pedicle screw system for osteosynthesis |
EP1174092A3 (en) * | 2000-07-22 | 2003-03-26 | Corin Spinal Systems Limited | A pedicle attachment assembly |
US7862587B2 (en) * | 2004-02-27 | 2011-01-04 | Jackson Roger P | Dynamic stabilization assemblies, tool set and method |
US6793657B2 (en) * | 2001-09-10 | 2004-09-21 | Solco Biomedical Co., Ltd. | Spine fixing apparatus |
DE10213855A1 (de) * | 2002-03-27 | 2003-10-16 | Biedermann Motech Gmbh | Knochenverankerungsvorrichtung zum Stabilisieren von Knochensegmenten und Aufnahmeteil einer Knochenverankerungsvorrichtung |
US6733502B2 (en) * | 2002-05-15 | 2004-05-11 | Cross Medical Products, Inc. | Variable locking spinal screw having a knurled collar |
JP4047112B2 (ja) * | 2002-09-12 | 2008-02-13 | 昭和医科工業株式会社 | 椎骨連結部材のロッド部固定構造 |
US7087057B2 (en) * | 2003-06-27 | 2006-08-08 | Depuy Acromed, Inc. | Polyaxial bone screw |
US7857834B2 (en) * | 2004-06-14 | 2010-12-28 | Zimmer Spine, Inc. | Spinal implant fixation assembly |
US7572279B2 (en) * | 2004-11-10 | 2009-08-11 | Jackson Roger P | Polyaxial bone screw with discontinuous helically wound capture connection |
BRPI0607139A2 (pt) * | 2005-02-18 | 2009-08-11 | M S Abdou | conjunto de fixação de osso |
US7476239B2 (en) * | 2005-05-10 | 2009-01-13 | Jackson Roger P | Polyaxial bone screw with compound articulation |
US7338491B2 (en) * | 2005-03-22 | 2008-03-04 | Spinefrontier Inc | Spinal fixation locking mechanism |
WO2006102605A2 (en) * | 2005-03-23 | 2006-09-28 | Alphaspine, Inc. | Percutaneous pedicle screw assembly |
BRPI0608131A2 (pt) * | 2005-03-25 | 2011-05-24 | Blackstone Medical Inc | sistema de conexão multi-axial |
-
2006
- 2006-10-20 US US11/584,216 patent/US20080177324A1/en not_active Abandoned
-
2007
- 2007-10-01 JP JP2007257987A patent/JP5054481B2/ja active Active
- 2007-10-15 EP EP07020160A patent/EP1913885B1/en not_active Expired - Fee Related
- 2007-10-15 DE DE602007002602T patent/DE602007002602D1/de active Active
- 2007-10-18 KR KR1020070105003A patent/KR20080035972A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US20080177324A1 (en) | 2008-07-24 |
DE602007002602D1 (de) | 2009-11-12 |
EP1913885A1 (en) | 2008-04-23 |
KR20080035972A (ko) | 2008-04-24 |
EP1913885B1 (en) | 2009-09-30 |
JP2008100059A (ja) | 2008-05-01 |
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