JP2010534116A - 多軸骨固定要素 - Google Patents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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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
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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
- 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
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- 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
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
- A61B17/7076—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation
- A61B17/7082—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation for driving, i.e. rotating, screws or screw parts specially adapted for spinal fixation, e.g. for driving polyaxial or tulip-headed screws
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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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
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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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
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Abstract
【選択図】 図1
Description
Claims (15)
- 縦脊椎ロッドを椎骨に結合させる多軸骨固定要素であって、この多軸骨固定要素が、
骨アンカーであって、拡大した曲面状の頭部部分を具備し、頭部部分は、第1の外科器具と係合するための第1のツール連結部分と、第2の外科器具と係合するための第2のツール連結部分とを具備し、第1及び第2のツール連結部分は、頭部連結部分キャビティに配置されている、上記骨アンカーと、
骨アンカーと縦脊椎ロッドとを相互結合するための本体であって、本体は、長手軸線と、上部開口部を備えた上端と、下部開口部を備えた下端と、上部開口部と下部開口部との間に実質的に延在してなるボアとを有し、ボアは、第1の直径D1を有し、上端に配置された脊椎ロッドを受け入れるためのロッド受入れ通路を有し、ロッド受入れ通路は、長手軸線に対して実質的に垂直に向けられた通路軸線を有し、本体はさらに下部開口部に隣接した下縁部分を具備し、下縁部分は、第1の直径D1に比べて小さい第2の直径D2を形成している、上記本体と、
第1の端部と、第2の端部と、第2の端部から延設された1又は複数のスロットとを具備したコレットであって、スロットは複数の可撓性アームを形成し、コレットは本体のボアの内部に可動に配置されている、上記コレットと、
本体に着脱可能に係合可能なロックキャップであって、ロックキャップは非ロック位置からロック位置へと可動であり、ロックキャップの非ロック位置からロック位置への移動は、本体に対して骨アンカーの位置を固定するために、ロッドをコレットに対して、及び可撓性アームを下縁部分に対して、促すような、上記ロックキャップと、
を備えていることを特徴とする多軸骨固定要素。 - 駆動凹部は駆動面を具備し、駆動面は、骨アンカーにおける頭部部分に形成された内面であって、第1の外科器具に形成された外部チップを受け、第2のツール連結部分は、頭部部分に形成された複数のねじ溝であって、第2の外科器具における係合部分と螺合することを特徴とする請求項1に記載の多軸骨固定要素。
- 第2のツール連結部分は、第1のツール連結部分に近接して配置され、第2のツール連結部分が第1のツール連結部分を横切って妨げないようになっていることを特徴とする請求項1に記載の多軸骨固定要素。
- 第2の外科器具は、圧縮機、ディストラクタ、ねじ回し、スリーブ、最小限の侵襲性の器具、骨のオーグメンテーションツール、吸引ツール、リダクションツール、冠状回転ツール、組織開創器、脊柱後弯又は脊柱前弯修正ツールのうちの1つから選択されていることを特徴とする請求項1に記載の多軸骨固定要素。
- 本体はさらに、直径拡大部分を具備し、直径拡大部分は、下縁部分と上端との間に配置され、直径拡大部分は、第3の直径D3を形成し、第3の直径D3は、第1の直径D1及び第2の直径D2に比べて大きくなっていることを特徴とする請求項1に記載の多軸骨固定要素。
- 下縁部分と直径拡大部分とは、それぞれ球形の凹面を有していることを特徴とする請求項5に記載の多軸骨固定要素。
- コレットは、コレットが実質的に直径拡大部分に対して整列されて、コレットにおける可撓性アームが半径方向に拡張して骨アンカーにおける頭部部分を受け入れる装填位置と、コレットが下縁部分に接触するように移動して、可撓性アームが骨アンカーにおける頭部部分に当接して圧縮し、コレットに対して骨アンカーの位置を固定するロック位置との間において、本体におけるボアの内部に可動に配置されていることを特徴とする請求項6に記載の多軸骨固定要素。
- 第1の球形のアンダーカットは、曲率半径r1を有し、可撓性アームは、曲率半径r2を有する外側球形面を有し、r1はr2と相違していることを特徴とする請求項7に記載の多軸骨固定要素。
- コレットは、一対の長手方向溝部を外面に具備し、本体は、組み立てられた状態において、ボアの中へ延び、長手方向溝部の中へ延びる、一対の窪みを具備していることを特徴とする請求項1に記載の多軸骨固定要素。
- 移植された骨アンカーにおける頭部部分にかぶせて嵌着するための、及び骨アンカーを細長い脊椎ロッドに相互結合させるための本体組立体であって、この本体組立体が、
本体であって、長手軸線と、上部開口部を備えた上端と、下部開口部を備えた下端と、長手軸線に沿って上部開口部と下部開口部との間に延在するボアとを具備し、ボアは、第1の直径D1を、上部開口部及び上端から下端へ延びるロッド受入れ通路に近接して有し、ロッド受入れ通路が配置される通路軸線は長手軸線に対して実質的に垂直に向けられ、ボアは、下縁部分を具備し、下端部分は第1の球形のアンダーカットを有し、下端に近接して終端し、直径拡大部分を具備し、直径拡大部分は第2の球形のアンダーカットを有し、上端に向けて第1の球形のアンダーカットに隣接して配置され、下縁部分は第2の直径D2を有し、直径拡大部分は第3の直径D3を有し、第3の直径D3は、第1の直径D1に比べて大きく、第1の直径D1は、第2の直径D2に比べて大きくなっている、上記本体と、
コレットであって、第1の端部と、第2の端部と、第2の端部から延びている少なくとも2つのスロットとを具備し、少なくとも2つのスロットは可撓性アームを形成し、コレットは本体のボアの内部において可動に配置され、可撓性アームは、それぞれ根元端と、終端部と、終端部に近接した外側曲面状凸面とを有し、可撓性アームは、骨アンカーの頭部を受け入れるために拡張可能であると共に、コレットに対して骨アンカーの頭部を固定するために圧縮可能であり、可撓性アームは、装填位置において直径拡大部分に近接して配置され、可撓性アームにおける外側曲面状凸面の少なくとも一部分は、ロック位置において第1のアンダーカットの少なくとも一部分に線状に接触している、上記コレットと、
を備えていることを特徴とする本体組立体。 - コレット保持の特徴をさらに備え、上端と第2のアンダーカットとの間のボアの中に延び、組み立てられた状態において、コレットが、上部開口部を通り抜けるのを防止することを特徴とする請求項10に記載の本体組立体。
- コレット保持の特徴は、装填位置においてコレットの溝部の底部端に接触し、可撓性アームを第2の球形のアンダーカットに整列させることを特徴とする請求項11に記載の本体組立体。
- 本体は、1又は複数の部分的通路をその内部に形成されて具備し、いったんコレットが本体のボアの内部に受け入れられると、1又は複数の部分的通路に力が加えられ、それにより、1又は複数の部分的通路を、本体のボアの中に延びる1又は複数の窪みに変形させ、1又は複数の窪みがコレット保持の特徴を備えていることを特徴とする請求項11に記載の本体組立体。
- 1又は複数の窪みは、コレットと相互作用し、コレットが、本体に形成された上部開口部を通して戻るように動くことを禁止することを特徴とする請求項13に記載の本体組立体。
- 縦脊椎ロッドを椎骨に結合させる多軸骨固定要素であって、この多軸骨固定要素が、
骨アンカーであって、頭部部分を具備し、頭部部分は、第1の外科器具と係合するための第1のツール連結部分と、第2の外科器具と係合するための第2のツール連結部分とを具備し、第1及び第2のツール連結部分は、頭部連結部分キャビティに配置されている、上記骨アンカーと、
本体であって、長手軸線と、上部開口部を備えた上端と、下部開口部を備えた下端と、長手軸線に沿って上部開口部と下部開口部との間に延在するボアと、上端から下端へ延びて長手軸線に対して実質的に垂直に向けられた通路軸線に配置されたロッド受入れ通路とを具備し、ボアは、下端に近接した略球形の直径部分を有する下縁部分を具備すると共に、下縁部分と上端との間にて下縁部分に隣接した略球形の直径部分を有する直径拡大部分を具備してなる、上記本体と、
コレットであって、本体のボアの内部に可動に配置され、コレットは、第1の端部と、第2の端部と、第2の端部から延びた少なくとも2つのスロットとを具備し、少なくとも2つのスロットは可撓性アームを形成し、可撓性アームは、骨アンカーの頭部を受け入れるためにコレットを拡張可能にすると共に、コレットに対して骨アンカーの頭部を固定するために圧縮可能とし、コレットはさらに、第2の端部から延びたキャビティを具備し、コレットにおける可撓性アームは装填位置において直径拡大部分と整列されて配置され、骨アンカーの頭部は、コレットに形成されたキャビティに受け入れられ、可撓性アームの少なくとも一部分はロック位置において下縁部分に接触し、骨アンカーの頭部はコレットに対して固定される、上記コレットと、
を備えていることを特徴とする多軸骨固定要素。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US95099507P | 2007-07-20 | 2007-07-20 | |
US60/950,995 | 2007-07-20 | ||
US98858407P | 2007-11-16 | 2007-11-16 | |
US60/988,584 | 2007-11-16 | ||
PCT/US2008/070670 WO2009015100A2 (en) | 2007-07-20 | 2008-07-21 | Polyaxial bone fixation element |
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JP2010534116A true JP2010534116A (ja) | 2010-11-04 |
JP2010534116A5 JP2010534116A5 (ja) | 2011-09-01 |
JP5372930B2 JP5372930B2 (ja) | 2013-12-18 |
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US (1) | US8663298B2 (ja) |
EP (1) | EP2170192B1 (ja) |
JP (1) | JP5372930B2 (ja) |
KR (1) | KR20100043149A (ja) |
CN (2) | CN101754725B (ja) |
AT (1) | ATE497732T1 (ja) |
BR (1) | BRPI0814284A2 (ja) |
CA (1) | CA2692772A1 (ja) |
CO (1) | CO6261381A2 (ja) |
DE (1) | DE602008004916D1 (ja) |
ES (1) | ES2359477T3 (ja) |
PL (1) | PL2170192T3 (ja) |
WO (1) | WO2009015100A2 (ja) |
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JP2012507369A (ja) * | 2008-10-30 | 2012-03-29 | デピュイ・スパイン・インコーポレイテッド | 骨アンカーに骨セメントを送達するためのシステム及び方法 |
JP2012110700A (ja) * | 2010-11-22 | 2012-06-14 | Biedermann Technologies Gmbh & Co Kg | 多軸骨アンカー固定装置、多軸骨アンカー固定装置を製造するための方法、および多軸骨アンカー固定装置を作製するためのかしめ工具 |
JP2013132556A (ja) * | 2011-12-23 | 2013-07-08 | Biedermann Technologies Gmbh & Co Kg | 多軸骨固定装置 |
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- 2008-07-21 EP EP08782149A patent/EP2170192B1/en active Active
- 2008-07-21 KR KR1020097027495A patent/KR20100043149A/ko not_active Application Discontinuation
- 2008-07-21 PL PL08782149T patent/PL2170192T3/pl unknown
- 2008-07-21 CN CN2008800254388A patent/CN101754725B/zh active Active
- 2008-07-21 US US12/669,224 patent/US8663298B2/en active Active
- 2008-07-21 JP JP2010518324A patent/JP5372930B2/ja active Active
- 2008-07-21 AT AT08782149T patent/ATE497732T1/de active
- 2008-07-21 WO PCT/US2008/070670 patent/WO2009015100A2/en active Application Filing
- 2008-07-21 CN CN201110339097.5A patent/CN102512229B/zh active Active
- 2008-07-21 ES ES08782149T patent/ES2359477T3/es active Active
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JP2013132556A (ja) * | 2011-12-23 | 2013-07-08 | Biedermann Technologies Gmbh & Co Kg | 多軸骨固定装置 |
JP2016514506A (ja) * | 2013-03-22 | 2016-05-23 | アエスキュラップ アーゲー | 脊柱安定化システム及び脊柱安定化システムのための外科用固締要素 |
JP2015066030A (ja) * | 2013-09-27 | 2015-04-13 | 株式会社ロバート・リード商会 | 脊椎固定装置及び脊椎固定システム |
JP2021533857A (ja) * | 2018-07-31 | 2021-12-09 | ゲットセット サージカル ソシエテ アノニム | 脊椎手術のシステムと方法 |
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ES2359477T3 (es) | 2011-05-24 |
EP2170192A2 (en) | 2010-04-07 |
DE602008004916D1 (de) | 2011-03-24 |
PL2170192T3 (pl) | 2011-07-29 |
EP2170192B1 (en) | 2011-02-09 |
CN102512229A (zh) | 2012-06-27 |
CN102512229B (zh) | 2016-01-20 |
JP5372930B2 (ja) | 2013-12-18 |
CN101754725B (zh) | 2011-12-21 |
KR20100043149A (ko) | 2010-04-28 |
WO2009015100A2 (en) | 2009-01-29 |
CN101754725A (zh) | 2010-06-23 |
US20100198272A1 (en) | 2010-08-05 |
ATE497732T1 (de) | 2011-02-15 |
CO6261381A2 (es) | 2011-03-22 |
WO2009015100A3 (en) | 2009-04-16 |
BRPI0814284A2 (pt) | 2015-02-03 |
CA2692772A1 (en) | 2009-01-29 |
US8663298B2 (en) | 2014-03-04 |
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