JP4814227B2 - 多軸骨取付け組立体 - Google Patents
多軸骨取付け組立体 Download PDFInfo
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- JP4814227B2 JP4814227B2 JP2007516715A JP2007516715A JP4814227B2 JP 4814227 B2 JP4814227 B2 JP 4814227B2 JP 2007516715 A JP2007516715 A JP 2007516715A JP 2007516715 A JP2007516715 A JP 2007516715A JP 4814227 B2 JP4814227 B2 JP 4814227B2
- Authority
- JP
- Japan
- Prior art keywords
- assembly
- set screw
- threaded
- saddle member
- bone anchor
- 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.)
- Expired - Fee Related
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- 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
-
- 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
- A61B17/70—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
- A61B17/7038—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other to a different extent in different directions, e.g. within one plane only
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/03—Automatic limiting or abutting means, e.g. for safety
- A61B2090/033—Abutting means, stops, e.g. abutting on tissue or skin
- A61B2090/034—Abutting means, stops, e.g. abutting on tissue or skin abutting on parts of the device itself
- A61B2090/035—Abutting means, stops, e.g. abutting on tissue or skin abutting on parts of the device itself preventing further rotation
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurology (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Description
Claims (35)
- 頭部(58)およびアンカー部を有する骨アンカー部材(24)と、
複数の直立部(32)を有するサドル部材(22)であって、
前記複数の直立部が細長ロッド(36)を受けられるように該サドル部材内を通るチャネル(34)を画定し、
前記直立部がねじ部(52;52a;164)を含み、
前記サドル部材が、該サドル部材を貫通し内側表面(42)に囲まれた穴(38)をさらに含み、前記骨アンカー部材が前記穴の中に挿入されることができ、
前記穴が、前記骨アンカー部材の前記頭部が通り抜けるのを阻止するように前記骨アンカー部材の前記頭部に係合する第1の壁部(44)の下側で、第2の壁部(46)によって下側に開口しており、
前記穴(38)の長手方向軸に関する前記骨アンカー部材の許容角度を増加させるために、前記第2の壁部(46)が、複数の、角度の付いた切欠(62)を含み、該複数の、角度の付いた切欠が、前記穴(38)の長手方向軸に対して垂直な平面に関して角度が付けられていて、前記サドル部材(22)の長手方向軸の周りに対称に配置され、且つ前記骨アンカー部材(24)の一部を受け入れることができる寸法にされている、サドル部材(22)と、
前記複数の直立部の前記ねじ部にねじ係合するための止めねじ(30)であって、前記細長ロッドに係合するための係合部をさらに含む止めねじと
を備える、多軸骨取付け組立体。 - 前記直立部(32)には雌ねじ(52)が切られ、前記止めねじ(30)には雄ねじ(102)が切られている、請求項1に記載の組立体。
- 前記直立部(32)には雄ねじ(164)が切られ、前記止めねじ(30)には雌ねじ(202)が切られている、請求項1に記載の組立体。
- 前記止めねじ(30)が凸形に丸みのつけられた上面を含む、請求項3に記載の組立体。
- 前記アンカー部材が骨ねじである、請求項1に記載の組立体。
- 前記骨ねじが、凸形の底面を有する頭部を含む、請求項5に記載の組立体。
- 前記凸形の底面が球形である、請求項6に記載の組立体。
- 前記止めねじが前記複数の直立部内に完全にねじ係合されたときに、前記ねじ部が前記細長ロッドの上方に位置する、請求項1に記載の組立体。
- 前記内側表面が前記ねじ部に隣接する逃げ溝(16)を含む、請求項8に記載の組立体。
- 前記細長ロッドを収めるための座金(26)であって、前記サドル部材の前記穴内および前記骨アンカー部材の最上部に嵌合する座金をさらに含む、請求項1に記載の組立体。
- 前記座金が前記細長ロッドを収めるための凹部を含む、請求項10に記載の組立体。
- 前記内側表面が溝を含み、前記組立体が、前記座金を前記サドル部材の前記穴に保持するために前記溝に嵌合する止め輪をさらに含む、請求項11に記載の組立体。
- 前記各直立部が、その中に画定された1つまたは複数のトラフを有し、前記座金が、前記ロッドと前記凹部の位置ずれを最小限に抑えるために前記トラフと噛み合う1つまたは複数の整合部材を含む、請求項11に記載の組立体。
- 前記直立部には雌ねじが切られ、前記止めねじには雄ねじが切られている、請求項13に記載の組立体。
- 前記直立部には雄ねじが切られ、前記止めねじには雌ねじが切られている、請求項13に記載の組立体。
- 前記止めねじが前記複数の直立部内に完全にねじ係合されたときに、前記ねじ部が前記細長ロッドの上方に位置する、請求項10に記載の組立体。
- 前記内側表面が前記ねじ部に隣接する逃げ溝を含む、請求項16に記載の組立体。
- 頭部(58)およびアンカー部を有する骨アンカー部材(24)と、
複数の直立部(32)を有するサドル部材(22)であって、
前記複数の直立部が、細長ロッド(36)を受けられるように該サドル部材内を通るチャネル(34)を画定し、
前記直立部がねじ部(52;52a;164)を含み、
前記サドル部材が、該サドル部材を貫通し内側表面(42)に囲まれた穴(38)をさらに含み、前記骨アンカー部材が前記穴の中に挿入されることができ、
前記穴が、前記骨アンカー部材の前記頭部が通り抜けるのを阻止するように前記骨アンカー部材の前記頭部に係合する第1の壁部(44)の下側で、円錐形の第2の壁部(46)によって下側に円形に開口しており、
前記サドル部材の長手方向軸に関する前記骨アンカー部材の許容角度を増加させるために、前記第2の壁部(46)が、複数の、角度の付いた切欠(62)を含み、該複数の、角度の付いた切欠が、前記穴(38)の長手方向軸に対して垂直な平面に関して角度が付けられていて、前記サドル部材(22)の長手方向軸の周りに対称に配置され、且つ前記骨アンカー部材の一部を受け入れることができる寸法にされている、サドル部材(22)と、
前記複数の直立部の前記ねじ部にねじ係合するための止めねじ(30)であって、前記細長ロッドに係合するための係合部をさらに含む止めねじと
を備える、多軸骨取付け組立体。 - 前記第1の壁部(44)が平面状であり、前記サドル部材の前記長手方向軸に対して実質的に垂直である、請求項18に記載の組立体。
- 前記直立部には雌ねじが切られ、前記止めねじには雄ねじが切られている、請求項18に記載の組立体。
- 前記直立部には雄ねじが切られ、前記止めねじには雌ねじが切られている、請求項18に記載の組立体。
- 前記止めねじが凸形に丸みのつけられた上面を含む、請求項21に記載の組立体。
- 前記アンカー部材が骨ねじである、請求項18に記載の組立体。
- 前記骨ねじが、凸形の底面を有する頭部を含む、請求項23に記載の組立体。
- 前記凸形の底面が球形である、請求項24に記載の組立体。
- 前記止めねじが前記複数の直立部内に完全にねじ係合されたときに、前記ねじ部が前記細長ロッドの上方に位置する、請求項18に記載の組立体。
- 前記内側表面が前記ねじ部に隣接する逃げ溝を含む、請求項26に記載の組立体。
- 前記細長ロッドを収めるための座金であって、前記サドル部材の前記穴内および前記骨アンカー部材の最上部に嵌合する座金をさらに含む、請求項18に記載の組立体。
- 前記座金が前記細長ロッドを収めるための凹部を含む、請求項28に記載の組立体。
- 前記内側表面が溝を含み、前記組立体が、前記座金を前記サドル部材の前記穴に保持するために前記溝に嵌合する止め輪をさらに含む、請求項29に記載の組立体。
- 前記各直立部が、その中に画定された1つまたは複数のトラフを有し、前記座金が、前記ロッドと前記凹部の位置ずれを最小限に抑えるために前記トラフと噛み合う1つまたは複数の整合部材を含む、請求項30に記載の組立体。
- 前記直立部には雌ねじが切られ、前記止めねじには雄ねじが切られている、請求項31に記載の組立体。
- 前記直立部には雄ねじが切られ、前記止めねじには雌ねじが切られている、請求項31に記載の組立体。
- 前記止めねじが前記複数の直立部内に完全にねじ係合されたときに、前記ねじ部が前記細長ロッドの上方に位置する、請求項28に記載の組立体。
- 前記内側表面が前記ねじ部に隣接する逃げ溝を含む、請求項34に記載の組立体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/870,011 | 2004-06-17 | ||
US10/870,011 US7264621B2 (en) | 2004-06-17 | 2004-06-17 | Multi-axial bone attachment assembly |
PCT/US2005/021227 WO2006009753A1 (en) | 2004-06-17 | 2005-06-16 | Multi-axial bone attachment assembly |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008503260A JP2008503260A (ja) | 2008-02-07 |
JP2008503260A5 JP2008503260A5 (ja) | 2008-07-17 |
JP4814227B2 true JP4814227B2 (ja) | 2011-11-16 |
Family
ID=35106641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007516715A Expired - Fee Related JP4814227B2 (ja) | 2004-06-17 | 2005-06-16 | 多軸骨取付け組立体 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7264621B2 (ja) |
EP (1) | EP1768587B1 (ja) |
JP (1) | JP4814227B2 (ja) |
KR (1) | KR100816975B1 (ja) |
CN (1) | CN101389279B (ja) |
AU (1) | AU2005265015B2 (ja) |
CA (1) | CA2572794A1 (ja) |
WO (1) | WO2006009753A1 (ja) |
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- 2005-06-16 WO PCT/US2005/021227 patent/WO2006009753A1/en active Application Filing
- 2005-06-16 CA CA002572794A patent/CA2572794A1/en not_active Abandoned
- 2005-06-16 CN CN200580024659XA patent/CN101389279B/zh not_active Expired - Fee Related
- 2005-06-16 AU AU2005265015A patent/AU2005265015B2/en not_active Ceased
- 2005-06-16 JP JP2007516715A patent/JP4814227B2/ja not_active Expired - Fee Related
- 2005-06-16 EP EP05760664.2A patent/EP1768587B1/en not_active Not-in-force
- 2005-06-16 KR KR1020077001199A patent/KR100816975B1/ko active IP Right Grant
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Also Published As
Publication number | Publication date |
---|---|
US20050283157A1 (en) | 2005-12-22 |
US7264621B2 (en) | 2007-09-04 |
AU2005265015A1 (en) | 2006-01-26 |
CA2572794A1 (en) | 2006-01-26 |
CN101389279A (zh) | 2009-03-18 |
KR100816975B1 (ko) | 2008-03-25 |
EP1768587B1 (en) | 2014-09-03 |
WO2006009753A1 (en) | 2006-01-26 |
EP1768587A1 (en) | 2007-04-04 |
JP2008503260A (ja) | 2008-02-07 |
AU2005265015B2 (en) | 2010-09-23 |
KR20070041722A (ko) | 2007-04-19 |
CN101389279B (zh) | 2011-05-25 |
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