JP2011500274A - 脊椎移植片 - Google Patents
脊椎移植片 Download PDFInfo
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- JP2011500274A JP2011500274A JP2010531127A JP2010531127A JP2011500274A JP 2011500274 A JP2011500274 A JP 2011500274A JP 2010531127 A JP2010531127 A JP 2010531127A JP 2010531127 A JP2010531127 A JP 2010531127A JP 2011500274 A JP2011500274 A JP 2011500274A
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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
- 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
- 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
- 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
- A61B2090/037—Automatic limiting or abutting means, e.g. for safety with a frangible part, e.g. by reduced diameter
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- 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)
Abstract
Description
本願は、2007年10月23日に出願された脊椎移植片と題する米国特許出願第1/876,890号の優先権を主張し、その全体をここに組み込む。
米国特許 米国公開
7,186,255 2007/0173819
7,163,539 2007/0233086
5,891,145 2007/0173819
5,584,834 2007/0167949
5,586,984 2007/0157543
5,578,033 2007/0123867
2007/0118123
2007/0055242
2007/0055235
2006/0276789
2006/0271047
2006/0241603
2006/0241599
2006/0235393
2006/0235392
2006/0235385
2006/0200133
2006/0173456
2006/0149241
2006/0149240
2006/0149233
2006/0100622
2006/0100621
2006/0095038
2006/0084979
2006/0058788
2006/0036252
2006/0036242
2005/0261687
2005/0228379
2005/0222570
Claims (25)
- ネジ頭部をその中に位置付けるためのネジ座部と、ロッドをその中に位置付けるためのロッド座部とを含む、本体部材と、
前記ロッド座部内に位置付けられる前記ロッドに対して係止力を調節可能に加えるための調節可能なロッド係止手段と、
前記ネジ座部内に位置付けられるネジに対して係止力を調節可能に加えるための調節可能なネジ係止手段とを含み、
該調節可能なネジ係止手段は、前記調節可能なロッド係止手段から機能的に独立している、
ネジ及びロッド固定組立体。 - 前記本体部材は、ポケットをその中に有する第一端部を含み、前記ポケットは、ネジ頭部をその中に受け入れ且つ保持するための外向きに可撓な壁を含み、それによって、前記ネジ座部を定め、前記調節可能なネジ係止手段は、前記ネジ頭部に対して係止係合して前記外向きに可撓な壁を調節可能に圧縮するために、前記外向きに可撓な壁の上に配置可能な圧縮部材を含む、請求項1に記載の組立体。
- 前記ネジ座部は、少なくとも1つのスロットを含み、前記ネジ座部に外向きの可能性をもたらし、それによって、前記ネジ頭部がその中に入るのを可能にする、請求項2に記載の組立体。
- 前記圧縮部材は、直線的な円筒形壁によって定められる内部ボアを有する係止リングを含み、前記本体部材の前記第一端部は、前記ネジ頭部が前記第一端部に向かって前記ネジ座部内に位置付けられるときに外向きに先細る外表面を含み、前記係止リングの前記内部ボアは、前記係止リングがそれに沿って移動されるときに、前記ポケットを前記ネジ頭部の周りで選択的に且つ調節可能に圧縮するために、前記外表面と相互作用する、請求項2に記載の組立体。
- 前記本体部分は、基部と、該基部から延びて前記ロッド座部を定める2つの離間アームとを含み、前記調節可能なロッド係止手段は、前記ロッドを前記ロッド座部内で調節可能に且つ選択的に係止するために、前記アームを前記ロッド座部内に位置付けられる前記ロッドの周りで調節可能に且つ選択的に圧縮するための圧縮手段を含む、請求項2に記載の組立体。
- 前記ロッド係止手段は、前記アームをその中に受け入れ且つ保持するための内部ボアを有する環状本体部分を含み、前記アームは、前記ロッドがその中に位置付けられるときに前記アームの外向きの撓みを可能にするよう外向きに可撓であり、前記内部ボアは、前記アームの対向する外表面の間の距離によって定められる直径よりも小さい所定直径を有し、それによって、前記アームの周りでの前記本体部分の適用は、前記ロッド座部内に位置付けられる前記ロッドを調節可能に把持し且つ係止するために、前記アームを選択的に径方向に内向きに撓ませる、請求項5に記載の組立体。
- 前記ロッド係止手段を前記ロッド座部内に位置付けられる前記ロッドと係止係合して固定係止するための固定手段を含む、請求項6に記載の組立体。
- 前記アームは、径方向に外向きに延びる突起を含み、前記ロッド係止手段は、前記ロッド係止手段が前記ロッド座部内に位置付けられる前記ロッドと係止係合するときに前記突起と嵌合い係合するための凹部を含む、請求項7に記載の組立体。
- 前記アームは、その中に凹部を含み、前記ロッド係止手段は、前記ロッド係止手段が前記ロッド座部内に位置付けられる前記ロッドと係止係合するときに前記凹部と嵌合い結合するための径方向に内向きに延びる突起を含む、請求項7に記載の組立体。
- 前記ロッド座部は、実質的に球形の内表面を含む、請求項1に記載の組立体。
- 本体部分を含み、該本体部分は、ネジ頭部をその中に位置付けるためのネジ座部を有する第一端部と、ロッドをその中に位置付けるためのロッド座部を有する第二端部とを含み、前記第一端部は、ネジ頭部をその中に受け入れるための外向きに可撓な壁を有するポケットをその中に含み、それによって、前記ネジ座部を定め、前記第二端部は、前記ロッド座部を定める、基部と、基部から延びる2つの離間したアームとを含み、前記アームは、滑らかな外表面と、ロッド係止部材と係合するための固定手段とを含む、
ネジ及びロッド固定部材。 - 基部との係合のためのネジ山付き部分と、頭部ポケットと、それらの間のネック部分とを含み、前記ネジ頭部は、球形ネジ座部表面の複数地域と接触するための複数の係合表面を含む、固定ネジ。
固定ネジ。 - 前記ネジ頭部は、ダイアモンド又は正方形を定める対向して配置される上方及び下方のテーパ付き部分を有する径方向に外向きの円筒形表面を含み、前記テーパ付き表面は、前記複数の係合表面を定める、請求項12に記載の固定ネジ。
- 本体部材の一端部にあるネジ座部内にネジ頭部を挿入し、
前記本体部材の第二端部にあるロッド座部内にロッドを挿入し、
前記ネジ座部及びロッド座部内の前記ネジ頭部及びロッドの双方に対する係止力を選択的に且つ独立的に調節することによって、
ロッドをネジに固定する方法。 - 手術前に、前記ネジ頭部を前記ネジ座部内に挿入し、係止リングを前記ネジ座部の前記外表面から離間して前記本体部分の周りに挿入し、前記ロッドを前記ロッド座部に挿入し、前記係止リングの係止力を前記ネジ座部及び前記ロッド座部の外表面の周りのロッド係止部材に独立的に且つ選択的に加えるステップをさらに含む、請求項14に記載の方法。
- 係止手段を前記ネジ座部の周りの前記係止リングに対して並びに前記ロッド座部の周りの前記ロッド係止部材に対して独立的に且つ調節可能に加えるステップをさらに含む、請求項15に記載の方法。
- 複数の接触地点を有するネジ頭部を本体部分のネジ座部内に位置付け、前記ネジ頭部を前記球形座部の複数部分と干渉させ且つ接触させ、ロッド挿入中に前記ネジ頭部を所望位置に係止するのに十分な摩擦を創成すると同時に、前記本体部分が前記ネジ頭部に対して回転させることによって、ロッドをネジ頭部に固定する方法。
- 少なくとも1つのネジを骨内に固定するステップを含み、
請求項に記載のネジ座部を含み、
前記ネジ座部内への前記ロッドの位置付け中に前記ロッド座部の位置を前記ネジに対して調節するステップを含む、
請求項17に記載の方法。 - 前記ネジ座部の外表面を径方向に外向きに撓ませるステップと、外向きに先細る外表面を形成するステップとを含む、請求項17に記載の方法。
- 本体部材内の座部との係合のための頭部を含むネジを含み、前記頭部は、前記本体座部内に位置付けられるときに、前記ネジ頭部が前記本体座部と干渉を創成するよう、前記座部よりも大きい寸法を有する、固定ネジ組立体。
- 前記本体の前記座部との前記固定ネジ頭部の前記干渉は、前記ネジ頭部の周りの前記本体区画を径方向に外向きに押し付けさせ、前記本体部材の外部下方部分の外表面にテーパを創成する、請求項20に記載の組立体。
- U字形状のロッド受容スロットを有する本体部分を含み、前記U字形状スロットは、その中に位置付けられるロッドの幅よりも小さい幅を有し、前記ロッドが前記U字形状のアームを径方向に外向きに押し付けてテーパを創成するよう、前記ロッドが前記U字形状通路内に位置付けられるときに、着座状態を有し、前記テーパは、前記U字形状スロットの開放端部で、直径がより大きく、前記U字形状スロットの基部でより小さい直径に先細る、移植片。
- 前記U字形状スロット内に位置付けられる前記ロッドによって創成される前記テーパは、係止キャップが前記U字形状スロットの前記より大きい直径の開口と係合するとき、前記ロッドの周りに輪郭を付け、前記U字形状スロットの前記アームを前記ロッドの周りで内向きに押し付ける、請求項22に記載の組立体。
- 前記U字形状スロットは、2つのアームによって定められ、前記アームの各々は、前記U字形状スロットの前記開口を定める遠位端部を有し、前記遠位端部の各々は、前記遠位端部の上の前記係止キャップの配置の容易さを可能にするバフル部分を有する、請求項23に記載の組立体。
- ロッドよりも小さい直径のロッド座部内に前記ロッドを挿入すると同時に、前記ロッド座部の前記外表面上に外側テーパを形成するよう、前記ロッド座部の前記アームを径方向に外向きに押し付け、ロッド係止キャップを前記ロッド座部の前記拡張アームの上に配置することによって、ロッド固定組立体の本体部材のU字形状スロット内にロッドを保持する方法であって、
前記ロッド係止キャップは、前記アームを径方向に内向きに押し付け、且つ、前記ロッド座部の前記アームを前記ロッドの周りに押し付ける、
方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/876,890 US20090105756A1 (en) | 2007-10-23 | 2007-10-23 | Spinal implant |
PCT/US2008/079690 WO2009055269A2 (en) | 2007-10-23 | 2008-10-13 | Spinal implant |
Publications (1)
Publication Number | Publication Date |
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JP2011500274A true JP2011500274A (ja) | 2011-01-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010531127A Pending JP2011500274A (ja) | 2007-10-23 | 2008-10-13 | 脊椎移植片 |
Country Status (6)
Country | Link |
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US (2) | US20090105756A1 (ja) |
EP (2) | EP2211738A2 (ja) |
JP (1) | JP2011500274A (ja) |
AU (1) | AU2008317087A1 (ja) |
BR (1) | BRPI0818698A2 (ja) |
WO (1) | WO2009055269A2 (ja) |
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US20090105756A1 (en) | 2009-04-23 |
EP2520239A3 (en) | 2013-03-06 |
US9456851B2 (en) | 2016-10-04 |
WO2009055269A2 (en) | 2009-04-30 |
EP2520239A2 (en) | 2012-11-07 |
AU2008317087A1 (en) | 2009-04-30 |
BRPI0818698A2 (pt) | 2015-04-14 |
WO2009055269A3 (en) | 2009-06-04 |
EP2211738A2 (en) | 2010-08-04 |
US20110213419A1 (en) | 2011-09-01 |
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