JP4471970B2 - 骨、特に脊椎のための、動的固定装置およびこのような固定装置を有する動的安定化装置 - Google Patents
骨、特に脊椎のための、動的固定装置およびこのような固定装置を有する動的安定化装置 Download PDFInfo
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- JP4471970B2 JP4471970B2 JP2006504483A JP2006504483A JP4471970B2 JP 4471970 B2 JP4471970 B2 JP 4471970B2 JP 2006504483 A JP2006504483 A JP 2006504483A JP 2006504483 A JP2006504483 A JP 2006504483A JP 4471970 B2 JP4471970 B2 JP 4471970B2
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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
- 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
-
- 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
- A61B17/7038—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
- A61B17/74—Devices for the head or neck or trochanter of the femur
- A61B17/742—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck
- A61B17/746—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck the longitudinal elements coupled to a plate opposite the femoral head
-
- 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
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
-
- 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
- A61B17/7002—Longitudinal elements, e.g. rods
- A61B17/7004—Longitudinal elements, e.g. rods with a cross-section which varies along its length
- A61B17/7008—Longitudinal elements, e.g. rods with a cross-section which varies along its length with parts of, or attached to, the longitudinal elements, bearing against an outside of the screw or hook heads, e.g. nuts on threaded rods
-
- 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
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Neurology (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
キャップ21は必要ない。なぜなら、圧力要素の上方側は、曲げられない素材からなるからである。
ができる。
Claims (19)
- 骨または脊椎に固定するためのシャンク(3,30,300)、および前記シャンク(3,30)に接続された頭部(4,40,400)を有する要素(2,2′,2′′,200)と、前記頭部を受けるための受け部分(5)とを有し、
前記受け部分はロッドを挿入するためのU字形の凹部を有し、
前記U字形の凹部内に前記ロッドを固定するための固定用ねじ(16,56,59)を設けた動的固定装置であって、
前記頭部に作用する圧力要素(20,25,50)を備え、
前記圧力要素は、前記受け部分の内径よりも小さい直径を有する弾性の部分を有し、
前記弾性の部分は、前記ロッドを固定した状態において予備圧縮され、前記要素(2,2′,2′′,200)が動いて、前記頭部(4,40,400)が前記受け部分内で旋回すると、前記頭部(4,40,400)に復原力を及ぼすように形成される、動的固定装置。 - 前記圧力要素(20,25,50)は、前記頭部(4,40)のうち、前記シャンク(3,30)に背を向ける側に作用することを特徴とする、請求項1に記載の動的固定装置。
- 前記圧力要素(20,51)は、エラストマから形成されることを特徴とする、請求項1または2に記載の動的固定装置。
- 前記圧力要素(25)は、少なくとも1つのばね要素(28)を含むことを特徴とする、請求項1または2に記載の動的固定装置。
- 前記頭部(4,40)は、前記シャンク(3,30)から背を向けた側で平坦な面(7,42)を有し、前記圧力要素(20,25,50)は、それと協働する平坦な面を有することを特徴とする、請求項1から4のうちの1つに記載の動的固定装置。
- 前記頭部(4,40)は、前記シャンクから背を向けたその端部で開いた縁部(6,41)を有することを特徴とする、請求項5に記載の動的固定装置。
- 前記受け部分(5)は、前記頭部(4,40)の支持面(12)を有し、前記支持面および/または前記頭部は、摩擦を減じるために研磨されるかまたはコーティングされることを特徴とする、請求項1から6のうちの1つに記載の動的固定装置。
- 曲げられない中間要素(21)が、前記受け部分(5)に挿入された状態で、圧力要素(20)のうち、前記頭部(4,40)から背を向けた側に設けられることを特徴とする、請求項1から7のうちの1つに記載の動的固定装置。
- 前記頭部(40)および前記シャンク(30)は分離された部分として形成され、前記シャンク(30)は、前記頭部の中心軸に対して予め定められた角度αで前記頭部に接続することができることを特徴とする、請求項1から8のうちの1つに記載の動的固定装置。
- 前記圧力要素(5)は、円筒形として形成され、第1の弾性部分(51)と、U字形の凹部(53)を有する、隣接する第2の曲げられない部分(52)とを有し、前記凹部によって2つの開いた脚(54,55)が形成され、前記U字形の凹部(53)の深さは、前記受け部分に配置されるべきロッド(100)の直径よりも大きいことを特徴とする、請求項1から9のうちの1つに記載の動的固定装置。
- 前記圧力要素(50)は2つの部分で形成され、一方の部分は前記弾性部分(51)によって形成され、他方の部分は前記U字形の凹部を有する曲げられない部分(52)によって形成されることを特徴とする、請求項10に記載の動的固定装置。
- 前記圧力要素(5)は、前記受け部分に挿入されるべきエラストマから製造される挿入物として形成され、前記ねじ頭を圧力をかけた状態で型にはめるための支持面を有することを特徴とする、請求項1から11のうちの1つに記載の動的固定装置。
- 前記挿入物はリング状であり、前記ねじ頭を取り囲むことを特徴とする、請求項12に記載の動的固定装置。
- 前記圧力要素(20,25,50)は、第1の圧力要素であり、リング状で前記ねじ頭を取り囲む第2の弾性圧力要素(600)が設けられることを特徴とする、請求項1から13のうちの1つに記載の動的固定装置。
- 前記第2の圧力要素は、Oリングまたは成形されたリングとして形成されることを特徴とする、請求項14に記載の動的固定装置。
- 前記圧力要素(2,25,50)は、前記頭部および前記ロッドの間に配置され、前記ロッドが前記U字形の凹部の底部にあるときに、挿入されたロッドの圧力によって予め圧縮されるように形成されることを特徴とする、請求項1から15のうちの1つに記載の動的固定装置。
- ロッド(100)に接続された少なくとも2つの固定装置(1,1′;101,101′)を有する、骨のための動的安定化装置であって、前記固定装置(1,1′;101,101′)のうちの少なくとも1つは、請求項1から16のうちの1つに記載の動的固定装置であることを特徴とする、動的安定化装置。
- 前記固定装置(101,101′)の間で、ばね要素(102)がロッド上に設けられることを特徴とする、請求項17に記載の動的安定化装置。
- 前記受け部分が、前記要素の前記頭部(4,40,400)が載せられる前記受け部分の部分(12)を備え、
前記受け部分の部分(12)および前記頭部(4,40,400)のいずれか一方または両方が、滑らかになるように研磨されるか、滑り特性を増大させる材料でコーティングされ、それによって、前記頭部(4,40,400)が前記受け部分の前記部分(12)内を旋回可能であることを特徴とする、請求項1に記載の動的安定化装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10320417A DE10320417A1 (de) | 2003-05-07 | 2003-05-07 | Dynamische Verankerungsvorrichtung und dynamische Stabilisierungseinrichtung für Knochen, insbesondere für Wirbel, mit einer derartigen Verankerungsvorrichtung |
PCT/EP2004/001978 WO2004098423A1 (de) | 2003-05-07 | 2004-02-27 | Dynamische verankerungsvorrichtung und dynamische stabilisierungseinrichtung für knochen, insbesondere für wirbel, mit einer derartigen verankerungsvorrichtung |
Publications (2)
Publication Number | Publication Date |
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JP2006525047A JP2006525047A (ja) | 2006-11-09 |
JP4471970B2 true JP4471970B2 (ja) | 2010-06-02 |
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Application Number | Title | Priority Date | Filing Date |
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JP2006504483A Expired - Fee Related JP4471970B2 (ja) | 2003-05-07 | 2004-02-27 | 骨、特に脊椎のための、動的固定装置およびこのような固定装置を有する動的安定化装置 |
Country Status (7)
Country | Link |
---|---|
US (2) | US8562652B2 (ja) |
EP (1) | EP1620023B1 (ja) |
JP (1) | JP4471970B2 (ja) |
KR (1) | KR101076748B1 (ja) |
CN (1) | CN100486537C (ja) |
DE (2) | DE10320417A1 (ja) |
WO (1) | WO2004098423A1 (ja) |
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-
2003
- 2003-05-07 DE DE10320417A patent/DE10320417A1/de not_active Withdrawn
-
2004
- 2004-02-27 JP JP2006504483A patent/JP4471970B2/ja not_active Expired - Fee Related
- 2004-02-27 EP EP04715265A patent/EP1620023B1/de not_active Expired - Lifetime
- 2004-02-27 DE DE502004008408T patent/DE502004008408D1/de not_active Expired - Lifetime
- 2004-02-27 CN CNB2004800120309A patent/CN100486537C/zh not_active Expired - Fee Related
- 2004-02-27 WO PCT/EP2004/001978 patent/WO2004098423A1/de active Application Filing
- 2004-05-06 US US10/841,862 patent/US8562652B2/en active Active
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2005
- 2005-09-30 KR KR1020057018599A patent/KR101076748B1/ko not_active IP Right Cessation
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2013
- 2013-08-27 US US14/010,964 patent/US20140066986A1/en not_active Abandoned
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EP1620023A1 (de) | 2006-02-01 |
EP1620023B1 (de) | 2008-11-05 |
US8562652B2 (en) | 2013-10-22 |
KR101076748B1 (ko) | 2011-10-26 |
DE502004008408D1 (de) | 2008-12-18 |
DE10320417A1 (de) | 2004-12-02 |
US20040225289A1 (en) | 2004-11-11 |
JP2006525047A (ja) | 2006-11-09 |
CN100486537C (zh) | 2009-05-13 |
KR20060006903A (ko) | 2006-01-20 |
CN1784181A (zh) | 2006-06-07 |
WO2004098423A1 (de) | 2004-11-18 |
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