JP2008513179A - 上方装填されるねじ付きシャンクを備える多軸骨ねじ、ならびに組み立ておよび使用方法 - Google Patents
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 62
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Abstract
Description
図面は本明細書の一部分を構成し、本発明の例示の実施形態を含み、その様々な目的および特徴を示す。
Claims (42)
- a)骨に固定するための本体、ならびに大径を有する第1の螺旋状に巻かれた案内および進み構造を有する捕捉構造を有する細長いシャンクと、
b)一定の直径を有する捕捉構造の装填孔を画成する第2の螺旋状に巻かれた案内および進み構造を有する頭部であって、前記第1の螺旋状に巻かれた案内および進み構造が前記第2の螺旋状に巻かれた案内および進み構造と噛合い可能であり、前記装填孔が、前記捕捉構造をその中に旋回可能に受けるように寸法と形状を決められるキャビティと連通し、前記第1の螺旋状に巻かれた案内および進み構造の前記大径が前記装填孔の直径よりも大きくなっている頭部と
を備えることを特徴とする、多軸骨ねじアセンブリ。 - 前記第1の螺旋状に巻かれた案内および進み構造が、逆さのねじ山である、請求項1に記載のアセンブリ。
- 前記第1の螺旋状に巻かれた案内および進み構造が、逆さののこ歯ねじ山である、請求項1に記載のアセンブリ。
- 前記捕捉構造が実質的に球形である、請求項1に記載のアセンブリ。
- 前記第2の螺旋状に巻かれた案内および進み構造が、実質的に球形の表面の周りに巻かれる、請求項4に記載のアセンブリ。
- 前記捕捉構造が該捕捉構造上に配置された工具係合形成部を有し、該工具係合形成部は、前記シャンク本体を骨に打ち込むための工具によって滑り止め係合するように構成されている、請求項1に記載のアセンブリ。
- 前記捕捉構造の工具係合形成部が、六角形の輪郭を有する上方に向かう軸方向の突起部である、請求項6に記載のアセンブリ。
- a)骨に固定するための本体、ならびに前記本体から延びる捕捉構造を有する細長いシャンクであって、前記捕捉構造がロッド係合端部および第1の螺旋状に巻かれた案内および進み構造を有する、細長いシャンクと、
b)キャビティを画成する内面を備えるベースを有する頭部であって、前記内面が前記第1の案内および進み構造と回転するように噛み合うように寸法と形状を決められた第2の螺旋状に巻かれた案内および進み構造を有し、前記ベースのキャビティが前記第2の案内および進み構造に隣接して配置された開口を通って前記ベースの外部と連通し、前記第1の案内および進み構造が前記第2の案内および進み構造から係脱するまで、前記第1の案内および進み構造が前記第2の案内および進み構造と操作可能に噛合い且つ回転するときに前記捕捉構造が前記キャビティ内に配置されて捕捉され、前記捕捉構造が、前記捕捉構造が前記キャビティ内に配置されており且つ前記シャンク本体が前記頭部に対して旋回可能である第1の配向と、前記捕捉構造が前記第2の案内および進み構造と噛合わずに摩擦係合する第2の配向とを有し、前記ロッド係合端部がロッドと摩擦係合し、前記シャンク本体が前記頭部に対して固定された位置になるように構成されている頭部と、
を備えることを特徴とする、多軸骨ねじアセンブリ。 - 前記第1および第2の案内および進み構造が第1および第2のねじ山である、請求項8に記載のアセンブリ。
- 前記第1のねじ山が逆さののこ歯ねじ山である、請求項9に記載のアセンブリ。
- 前記第1の案内および進み構造の一部分が、前記第2の配向で前記第2の案内および進み構造の一部分と摩擦係合する、請求項8に記載のアセンブリ。
- 前記捕捉構造が、該捕捉構造上に配置された工具係合形成部を有し、該工具係合形成部が、前記シャンク本体を骨に打ち込むための工具によって滑り止め係合するように構成されている、請求項8に記載のアセンブリ。
- 前記捕捉構造の工具係合形成部が、六角形の輪郭を有する上方に向かう軸方向の突起部である、請求項12に記載のアセンブリ。
- 前記工具係合形成部が突起部であり、前記捕捉構造が工具着座面を有し、前記突起部および前記工具着座面が前記工具係合突起部と係合する打込み工具を受けるように構成されている窪みを部分的に画成し、前記シャンク本体を骨に打ち込む場合に前記打込み工具が前記工具着座面と接触するように構成されている、請求項12に記載のアセンブリ。
- 前記捕捉構造が、前記工具着座面に垂直に配置され且つ前記突起部から間隔を置いて配置された少なくとも1つの係合壁を有し、前記係合壁が前記打込み工具を受けるための前記窪みを部分的に画成し、前記シャンク本体を骨に打ち込む場合に、前記打込み工具が前記工具着座面、前記突起部、および前記係合壁と接触するようになっている、請求項14に記載のアセンブリ。
- 前記シャンクがその上部から底部にカニューレを挿入される、請求項8に記載のアセンブリ。
- 前記頭部の上方開口に挿入可能な閉鎖構造をさらに備え、前記閉鎖構造が、前記捕捉構造をその前記第2の配向において前記頭部に摩擦的に固着させる方向に、間接的に且つ操作可能に前記シャンクを押し、それによって、前記シャンク本体を前記頭部に対して選択された角度で固定する、請求項8に記載のアセンブリ。
- 前記閉鎖構造がヘクサロビュラ内部打込み輪郭を有する、請求項17に記載のアセンブリ。
- (a)前記頭部は、間隔を置いて配置された直立するアームを有し、該アームは開放チャネルを画成し、該アームは第3の案内および進み構造をその内面に有し、前記チャネルが前記キャビティと連通し、
(b)前記閉鎖構造は、前記チャネルを閉鎖するために前記アームの間に配置可能であるように寸法と形状を決められ、前記閉鎖構造は、前記第3の案内および進み構造と回転可能に噛み合うために第4の案内および進み構造を有し、それによって、前記チャネル内に配置されたロッドに対して進み回転したときに前記閉鎖構造を偏らせるようにされている、請求項17に記載のアセンブリ。 - 前記捕捉構造上部が、前記チャネル内に延びるように寸法と形状を決められたドームを有し、それによって前記頭部に受けられたロッドに係合するように構成されており、また、前記閉鎖構造が、前記頭部に配置されているとき、前記ドームに対して前記ロッドを操作可能に押すように構成されている、請求項19に記載のアセンブリ。
- a)骨に固定するための本体、ならびに前記本体から延びる捕捉構造を有する細長いシャンクであって、前記捕捉構造が、上部、および第1の螺旋状に巻かれた案内および進み構造を有する径方向外面とを有する細長いシャンクと、
b)ベースと上部を有する頭部であって、前記頭部の上部が開放チャネルを有し、前記ベースが該ベース内に前記第1の案内および進み構造と回転可能に噛合うように寸法と形状を決められた第2の螺旋状に巻かれた案内および進み構造を備える下方の開口を有し、前記ベースがさらに、前記開口に開放するように繋がっているキャビティを有し、前記チャネルが前記キャビティと連通し、前記キャビティが前記開口を通じて前記ベースの外部と連通し、組み立て中に、前記構造の間に係脱が生じるまで前記第1の案内および進み構造が前記第2の案内および進み構造と操作可能に回転したとき、前記捕捉構造が前記キャビティ内に配置可能であり、それによって前記捕捉構造が実質的に前記キャビティ内にあり且つ前記シャンク本体が前記キャビティの外部にあるようにされ、前記捕捉構造が前記頭部内にある間、前記捕捉構造が回転せずに前記開口に向って押されるときに、前記第1および第2の案内および進み構造が摩擦係合するように構成される、頭部と、
を備える、多軸骨ねじアセンブリ。 - 前記第1および第2の案内および進み構造が第1および第2のねじ山である、請求項21に記載のアセンブリ。
- 前記第1のねじ山が逆さののこ歯ねじ山である、請求項22に記載のアセンブリ。
- 前記捕捉構造が下方の実質的に球形の表面を有し、前記球形の表面の一部分が前記第2の案内および進み構造と摩擦係合するように構成された、請求項21に記載のアセンブリ。
- 前記捕捉構造が、該捕捉構造上に工具係合形成部を有し、該工具係合形成部が、前記シャンク本体を骨に打ち込むための工具によって滑り止め係合するように構成されている、請求項21に記載のアセンブリ。
- 前記捕捉構造の工具係合形成部が六角形の輪郭を有する軸方向の突起部である、請求項25に記載のアセンブリ。
- 前記工具係合形成部が突起部であり、前記捕捉構造が工具着座面を有し、前記突起部および前記工具着座面が前記工具係合突起部と係合する打込み工具を受けるように適合された窪みを部分的に画成し、前記シャンク本体を骨に打ち込む場合に前記打込み工具が前記工具着座面と接触するように適合された、請求項26に記載のアセンブリ。
- 前記捕捉構造が少なくとも一つの係合壁を有し、該少なくとも一つの係合壁は前記工具着座面に垂直に配置されまた前記突起部から間隔を置いて配置され、前記係合壁が前記打込み工具を受けるための前記窪みを少なくとも部分的に画成し、
前記シャンク本体を骨に打ち込む場合に、前記打込み工具が前記工具着座面、前記突起部および前記係合壁と接触するように構成されている、請求項27に記載のアセンブリ。 - 前記シャンクがその上部から底部にカニューレを挿入された、請求項21に記載のアセンブリ。
- 前記頭部に挿入可能な閉鎖構造をさらに備え、前記閉鎖構造が前記捕捉構造を前記頭部に摩擦的に固定させる方向に操作可能に前記シャンクを押すように適合され、それによって、前記シャンク本体を前記頭部に対して選択された角度で固定する、請求項21に記載のアセンブリ。
- (a)前記頭部が間隔を置いて配置された直立するアームを有し、該アームは前記開放チャネルを画成し、前記アームが第3の案内および進み構造をその内面に有し、
(b)前記閉鎖構造が前記チャネルを閉鎖するために前記アームの間に配置可能であるように寸法と形状を決められており、前記閉鎖構造が前記第3の案内および進み構造と回転可能に噛み合うための第4の案内および進み構造を有する、請求項30に記載のアセンブリ。 - 前記捕捉構造の上部が、前記チャネル内に延びるように寸法と形状を決められたドームを有し、それによって、前記頭部に受けられたときにロッドに係合するようになっており、
前記閉鎖構造が前記頭部に配置されているとき、前記ドームに対して前記ロッドを操作可能に押すように構成された、請求項31に記載のアセンブリ。 - a)骨に固定するための本体、ならびに前記本体から延び、前記本体と一体になった捕捉構造を有する細長いシャンクであって、前記捕捉構造が、上部、第1の螺旋状に巻かれた案内および進み構造を有する径方向外側を向いた面、ならびに前記上部に隣接して配置された工具係合形成部を有し、前記工具係合形成部が突起部ならびに底部および外壁を有する窪んだ工具着座面を有し、前記シャンク本体を骨に打ち込むときに前記底部および外壁の両方が前記工具係合突起部と係合する打込み工具を受け且つ打込み工具に摩擦係合するように寸法と形状を決められた、細長いシャンクと、
b)キャビティを画成する内面を備えるベースを有する頭部であって、前記内面の一部分が前記第1の案内および進み構造と回転式に噛み合うように寸法と形状を決められた第2の螺旋状に巻かれた案内および進み構造を有し、前記ベースのキャビティが、前記第2の案内および進み構造に関係する開口を通って前記ベースの外部と連通し、前記第1の案内および進み構造が前記第2の案内および進み構造から係脱するまで前記第1の案内および進み構造が前記第2の案内および進み構造と操作可能に回転したとき、前記捕捉構造が前記キャビティ内に旋回するように配置され、捕捉されるようになっている、頭部と、
を備える、多軸骨ねじアセンブリ。 - 前記第1および第2の案内および進み構造が第1および第2のねじ山である、請求項33に記載のアセンブリ。
- 前記第1のねじ山が逆さののこ歯ねじ山である、請求項34に記載のアセンブリ。
- 前記シャンクがその上部から底部にカニューレを挿入された、請求項33に記載のアセンブリ。
- 前記頭部の上方開口に挿入可能な閉鎖構造をさらに備え、前記閉鎖構造が前記捕捉構造を前記頭部に摩擦的に固定させる方向に操作可能に前記シャンクを押すようにされており、それによって、前記シャンク本体を前記頭部に対して選択された角度で固定させる、請求項33に記載のアセンブリ。
- (a)前記頭部が、間隔を置いて配置された直立したアームを有し、該アームは開放チャネルを画成し、該アームは第3の案内および進み構造をその内面に有し、前記チャネルは前記キャビティと連通し、
(b)前記閉鎖構造が、前記チャネルを閉鎖するために前記アームの間に配置可能であるように寸法と形状を決められ、前記閉鎖構造が前記第3の案内および進み構造と回転可能に噛み合うために第4の案内および進み構造を有する、請求項37に記載のアセンブリ。 - 前記捕捉構造上部が、前記捕捉構造が前記開口に押し付けられるときに前記チャネル内に延びるように寸法と形状を決められたドームを有し、前記ドームは、前記頭部に受けられたときにロッドと係合するようになっており、前記閉鎖構造が前記頭部に配置されると、前記閉鎖構造が前記ロッドを前記ドームに操作可能に押し付けるように構成されている、請求項38に記載のアセンブリ。
- a)骨ねじシャンクの上部が頭部のキャビティ内に捕捉されて第1の案内および進み構造が第2の案内および進み構造から係脱するまで前記シャンクを頭部の開口を通して前記頭部の前記キャビティ内に進ませるために、前記骨ねじシャンクの前記上部に配置された前記第1の螺旋状に巻かれた案内および進み構造を前記頭部の前記第2の螺旋状に巻かれた案内および進み構造と噛み合わせることによって、前記骨ねじシャンクを前記頭部に取り付けるステップと、
b)前記上部に配置された工具係合形成部と係合する工具で前記シャンク本体を回転させることによって、前記シャンク本体を骨に打ち込むステップと、
を含む、多軸骨ねじ組み立ておよび骨ねじ埋め込み方法。 - ステップb)がステップa)の後に行われる、請求項40に記載の方法。
- ステップb)がステップa)の前に行われる、請求項40に記載の方法。
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US20080039844A1 (en) | 2008-02-14 |
US20230277223A1 (en) | 2023-09-07 |
US10952777B2 (en) | 2021-03-23 |
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US11684396B2 (en) | 2023-06-27 |
WO2006041532A3 (en) | 2006-12-14 |
EP1799131A2 (en) | 2007-06-27 |
US20060084979A1 (en) | 2006-04-20 |
US20220151661A1 (en) | 2022-05-19 |
US11246627B2 (en) | 2022-02-15 |
US8540753B2 (en) | 2013-09-24 |
AU2005294799B2 (en) | 2009-03-12 |
US20090299414A1 (en) | 2009-12-03 |
WO2006041532A2 (en) | 2006-04-20 |
US8092502B2 (en) | 2012-01-10 |
US20210204984A1 (en) | 2021-07-08 |
CA2578569A1 (en) | 2006-04-20 |
CA2578569C (en) | 2010-06-01 |
AU2005294799A1 (en) | 2006-04-20 |
JP4612683B2 (ja) | 2011-01-12 |
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