JP2011502584A - 拡張可能な取り付けデバイスおよび方法 - Google Patents
拡張可能な取り付けデバイスおよび方法 Download PDFInfo
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- 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
- A61B17/864—Pins or screws or threaded wires; nuts therefor hollow, e.g. with socket or cannulated
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- 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
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- 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
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- A61B17/8625—Shanks, i.e. parts contacting bone tissue
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- 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
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- A61B17/8852—Tools for expanding or compacting bones or discs or cavities therein capable of being assembled or enlarged, or changing shape, inside the bone or disc
- A61B17/8858—Tools for expanding or compacting bones or discs or cavities therein capable of being assembled or enlarged, or changing shape, inside the bone or disc laterally or radially expansible
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- 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
- A61B17/7097—Stabilisers comprising fluid filler in an implant, e.g. balloon; devices for inserting or filling such implants
- A61B17/7098—Stabilisers comprising fluid filler in an implant, e.g. balloon; devices for inserting or filling such implants wherein the implant is permeable or has openings, e.g. fenestrated screw
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/042—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors plastically deformed during insertion
Abstract
Description
本願は、米国仮出願第60/985,087号(2008年11月2日出願)の利益を主張する。該仮出願は、その全体が参照により本明細書に引用される。
本発明は、概して、骨に取り付けるためのデバイスおよび方法に関する。
図30cは、拡張器ドライバ72が、拡張器52に対して、矢印36によって示される縦方向圧縮力を展開し得る様子を示す。周辺組織は、生体内抵抗力矢印78によって示されるように、縦方向圧縮力に抵抗し得る。拡張器52のフィンガーは、矢印38によって示されるように、半径方向に拡張し得る。拡張器52のフィンガーは、拡張可能な区間6(例えば、支柱26)を、矢印によって示されるように、半径方向外側に強制し得る。拡張可能な取り付けデバイス2は、変形可能または弾力的に半径方向に拡張し得る。
Claims (20)
- 縦軸および縦方向の長さを有する、生物学的埋め込みのための取り付けデバイスであって、
半径方向に拡張可能な区間および半径方向に拡張不能な区間を有するネジであって、該半径方向に拡張可能な区間は、半径方向に拡張可能な半径を有する、ネジと、
該ネジによって摺動可能に受け取られる拡張器要素であって、該拡張器要素は、拡張器頭部と、該拡張器頭部から縦方向に延びる第1の拡張器フィンガーと、該拡張器頭部から縦方向に延びる第2の拡張器フィンガーとを備える、拡張器要素と
を備える、デバイス。 - 前記半径方向に拡張可能な半径は、前記縦方向の長さが縦方向に収縮されると、半径方向に拡張するように構成されている、請求項1に記載のデバイス。
- 前記ネジに回転可能に取り付けられる固定接合部をさらに備え、該固定接合部は、別個のデバイスに取り付くように構成されている、請求項1に記載のデバイス。
- 前記固定接合部は、1つより多い回転自由度を伴って前記ネジに回転可能に取り付けられる、請求項3に記載のデバイス。
- 前記半径方向に拡張可能な区間は、2つの支柱を備えている、請求項1に記載のデバイス。
- 前記ネジは、半径方向に延びるネジ山を備え、前記拡張器要素は、半径方向に延びるネジ山を備える、請求項1に記載のデバイス。
- 前記取り付けデバイスは、取り付けデバイス縦軸を有し、該縦軸の少なくとも一部は、実質的に湾曲した構成を備えている、請求項1に記載のデバイス。
- 前記拡張器要素は、実質的に平面的である、請求項1に記載のデバイス。
- 椎弓根ネジであって、
半径方向に拡張可能な区間と、
多軸固定接合部と
を備える、椎弓根ネジ。 - 縦軸を有する取り付けデバイスを骨内で使用するための方法であって、
該取り付けデバイスを該骨内に挿入するステップと、
該取り付けデバイスの半径方向に拡張可能な長さを半径方向に拡張するステップと、
固定デバイスを該取り付けデバイスに取り付けるステップと
を含む、方法。 - 前記取り付けデバイスを取り付けるステップは、固定ロッドを取り付けるステップを含む、請求項9に記載の方法。
- 半径方向に拡張するステップは、前記取り付けデバイスの半径方向に拡張可能な長さを前記骨の海綿状部分内で半径方向に拡張するステップを含む、請求項9に記載の方法。
- 挿入するステップは、椎弓根内に挿入するステップを含む、請求項9に記載の方法。
- 挿入するステップは、椎体内に挿入するステップを含む、請求項9に記載の方法。
- 挿入するステップは、縦展開軸に沿って挿入するステップを含み、該縦展開軸の少なくとも一部は、実質的な曲率半径を有する、請求項9に記載の方法。
- 挿入するステップは、螺設するステップを含む、請求項9に記載の方法。
- 半径方向に拡張するステップは、前記取り付けデバイスを縦方向に圧縮するステップを含む、請求項9に記載の方法。
- 半径方向に拡張するステップは、前記取り付けデバイスを回転させるステップを含む、請求項9に記載の方法。
- 半径方向に拡張するステップは、前記取り付けデバイスを平面的に拡張するステップを含む、請求項9に記載の方法。
- 前記取り付けデバイスは、弾力的区間を備え、半径方向に拡張するステップは、該弾力的区間から機械的制約を解放するステップを含む、請求項9に記載の方法。
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Also Published As
Publication number | Publication date |
---|---|
US20090131992A1 (en) | 2009-05-21 |
JP6195868B2 (ja) | 2017-09-13 |
EP2974672A1 (en) | 2016-01-20 |
EP2974672B1 (en) | 2019-12-04 |
JP5755297B2 (ja) | 2015-07-29 |
JP2014000452A (ja) | 2014-01-09 |
US8636784B2 (en) | 2014-01-28 |
EP2205162B1 (en) | 2015-09-09 |
EP2205162A4 (en) | 2012-01-04 |
JP2015165933A (ja) | 2015-09-24 |
EP2205162A1 (en) | 2010-07-14 |
WO2009059227A1 (en) | 2009-05-07 |
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