JP2007522870A - 多表面除去アパーチャを備えた拡大防止式医療インプラント閉鎖体 - Google Patents
多表面除去アパーチャを備えた拡大防止式医療インプラント閉鎖体 Download PDFInfo
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Abstract
例えば多葉状ソケット等の多表面アパーチャを備えた拡大防止式閉鎖体は、外側の連続的な螺旋状に延在する拡大防止式案内前進フランジと、離脱設置ヘッド部と、を備える。多葉状ソケットは、周方向に間隔を隔てた複数のローブを備え、これらのローブはプラグの閉鎖体軸に平行に延在すると共に、閉鎖体軸に平行に延在するスプライン受け入れ溝と周方向に交互に形成されている。閉鎖体は、その回転時にボディとの摺動可能な連結を可能にすると共にアームとボディとの間の径方向の嵌合を可能にするためボディフランジと相補的な内側の螺旋状に延在する噛み合い式案内前進構造が備え付けられたアームを有する開放ヘッド付き骨インプラントねじと共に使用される。
【選択図】 図5
Description
本発明の目的及び利点
以上により、本発明の目的には、開放ヘッド付きの骨ねじで使用するための改善された閉鎖体を提供し、円柱ベース又はボディと、閉鎖体の設置に続いて低い最小化されたプロフィールを提供するため離脱領域でボディから離脱する駆動又は設置ヘッド部とを有する当該閉鎖体を提供し、取り外し器具による閉鎖体の積極的な非すべり係合を可能にする取り外し構造を有する当該閉鎖体を提供し、設置ヘッド部を通過する軸方向に延在するボアを有する当該閉鎖体を提供し、多表面化された取り外し器具受け入れソケットを形成する取り外しアパーチャを有する当該閉鎖体を提供し、該ソケットは、ボディの回転軸の回りに周方向に配置された複数の中央に面する表面を備え、該表面は、相補的な形状を有する取り外し器具を受け入れるための非円形の非すべりソケットを形成するため当該軸に略沿って延在し、多葉状形状を備えた取り外しアパーチャを有する当該閉鎖体を提供し、該多葉状形状は取り外し器具のスプラインを受け入れる軸溝又はチャン炎るにより分離された、複数の周方向に間隔を隔てた中央に面する円形ローブを備え、該ローブは、取り外し器具のスプラインを受け入れる軸上溝又はチャンネルにより分離され、設置ヘッド部がボディから離脱するとき取り外しソケットが取り外し器具に完全にアクセス可能となるような当該閉鎖体を提供し、例えばロッド等の骨固定構造部材を固定する際に使用するため開放ヘッド付きの骨インプラントねじと組み合わされた当該閉鎖体を提供し、開放ヘッド付きの骨ねじがロッド受け入れチャンネルを形成する一対の間隔を隔てたアームを備える当該組み合わせを提供し、閉鎖体ボディ上に外側案内前進フランジと、骨ねじヘッドの内側表面上に配置された内側噛み合い式案内前進構造とを備える当該組み合わせを提供し、当該フランジ及び当該構造は、ボディの回転時に摺動可能に嵌合し、閉鎖体がチャンネル内に配置されたロッドとの締め付け係合状態へとトルクがきっちりと印加されたとき又は外力がインプラントにかけられたとき、アームが拡大又は発散する傾向に対抗するように協働して連結し、骨ねじチャンネル内でのロッドとの閉鎖ボディの係合設定を強化するための要素を備える当該組み合わせを提供し、ボディがトルクが印加されて固く締められたとき、ロッドに表面へと切り込むため、軸方向に整列したポイント及び/又は周辺のカップポイント即ちVリングが閉鎖体ボディの前端部に形成された当該組み合わせを提供し、経済的に製造でき、使用中に安全で効率的であり、その意図した目的のために特に適合された多表面アパーチャを当該拡大防止閉鎖体ボディに提供することが含まれている。
図面は、本明細書の一部を構成し、本発明の一例としての実施例を含み、本発明の様々な目的及び特徴を示している。
として解釈されるべきである。
Claims (20)
- 構造部材との係合を設定するための閉鎖体であって、
(a) 中央閉鎖体軸に対して外側の円柱表面を有する略円柱ボディと、
(b) 前記外側円柱表面の回りに螺旋状に延在する、実質的に連続的な案内前進フランジであって、該フランジは、前進方向に対して先導する表面と後側の表面とを有する、前記フランジと、
(c) 前記閉鎖体軸に実質的に対面し、内側に面した拡大防止式表面要素を備える、輪郭が混成した前記先導表面又は前記後側表面のうち少なくとも1つと、
(d) 前記閉鎖体軸と整列し、該閉鎖体軸に沿って延在するように、内部に多表面アパーチャを形成させた前記ボディであって、該アパーチャは、前記ボディの後側表面に開口し、取り外し器具を受け入れるように構成された取り外しソケットを形成するため整列された前記閉鎖体の軸に実質的に平行に延在する、複数の間隔を隔てて中央に面した表面を備える、前記ボディと、
(e) 離脱設置ヘッド部と、
を備える、閉鎖体。 - 前記多表面アパーチャは、
(a) 前記閉鎖体軸に沿って延在する多葉状アパーチャであって、該アパーチャは、前記閉鎖体軸に実質的に平行に延在すると共に実質的に前記閉鎖体軸に対面する、複数の周方向に間隔を隔てたローブを有する前記多葉状アパーチャを備える、請求項1に記載の閉鎖体。 - (a) 前記ローブは、前記閉鎖体軸に実質的に平行に延在する溝と周方向に交互に形成されている、請求項2に記載の閉鎖体。
- (a) 前記設置ヘッド部は、設置器具による前記設置ヘッドの非滑り係合を可能にするように形成され、
(b) 前記設置ヘッド部は、離脱用領域によって前記閉鎖体に接続され、該離脱用領域は、該設置ヘッド部の前記ボディからの分離を可能にすると共に前記取り外しソケットを露出するため、前記設置ヘッド部と前記閉鎖体との間の選択されたトルクレベルに応答して、前記離脱用領域が破断される態様で形成されている、請求項1に記載の閉鎖体。 - (a) 前記ボディは、前記前進方向に対して前端部を有し、
(b) 前記ボディは、前記ボディの構造部材の表面への係合を設定することを強化するため、前記前端部上に形成されたV字形状設定リングを有する、請求項1に記載の閉鎖体。 - 請求項1に記載の閉鎖体と、骨固定構造部材に接続するように構成された骨インプラントねじとの組み合わせであって、
前記骨インプラントねじは、
(a) 骨内にねじ込み式に埋め込むように構成された、ねじ軸と、
(b) 一対の間隔置きアームにより形成された開放ヘッド部であって、該アームは互いに対面するチャンネル表面を有して骨固定構造部材を受け入れるための構造部材受け入れチャンネルを画定する、前記開放ヘッド部と、
(c) 各々の噛み合い式案内前進構造を内側に形成させた前記互いに対面するチャンネル表面であって、該噛み合い式案内前進構造は、前記ボディの前記チャンネル内への案内及び前進を可能にし、これにより前記骨固定構造部材を締め付けると共に前記ボディ及び前記アームを連結させるため、前記案内前進フランジと適合して回転可能に噛み合うことが可能である、前記チャンネル表面と、
を備える、組み合わせ。 - (a) 前記骨インプラントねじの前記噛み合い式案内前進構造は、外側拡大防止式表面を備え、該外側拡大防止式表面は、前記骨固定構造部材との係合状態へと前記閉鎖体にトルクを印加することに応答して前記アームが拡大しようとする傾向に対抗する態様で、前記閉鎖体の前記内側拡大防止式表面と協働する、請求項6に記載の閉鎖体と骨インプラントねじとの組み合わせ。
- (a) 前記案内前進フランジは、前記内側拡大防止式表面要素を形成するその外側周辺部の近傍に比較的拡大した領域を有し、
(b) 前記噛み合い式案内前進構造は、前記外側拡大防止式表面要素を形成するため前記案内前進フランジと相補的な態様で輪郭が形成されており、
(c) 前記閉鎖体が前記骨インプラントねじの前記開放ねじヘッド部内に案内され前進されたとき、前記アームの径方向外側に拡大する運動に対抗するため前記ボディを前記アームに噛み合わせるように前記内側拡大防止式表面要素は前記外側拡大防止式表面要素と係合する、請求項7に記載の組み合わせ。 - 構造部材との係合を設定するための閉鎖体であって、
(a) 中央閉鎖体軸に対して外側の円柱表面を有する略円柱ボディと、
(b) 前記外側円柱表面の回りに螺旋状に延在する、案内前進フランジであって、該フランジは、前進方向に対して後側の表面を有する、前記フランジと、
(c) 前記閉鎖体軸に実質的に対面し、内側に面した拡大防止式表面要素を備えた、輪郭が混成した前記後側表面と、
(d) 前記閉鎖体軸と整列し、該閉鎖体軸に沿って延在する多葉状アパーチャを有する前記ボディであって、該アパーチャは、取り外し器具を受け入れるように構成された取り外しソケットを形成するため、前記閉鎖体軸に実質的に平行に延在する複数の間隔を隔てた複数のローブを備え、該ローブは前記閉鎖体軸に実質的に平行に延在する溝と周方向に交互に形成されている、前記ボディと、
(e) 離脱設置ヘッド部と、
を備える、閉鎖体。 - (a) 前記設置ヘッド部は、設置器具による該設置ヘッド部の非滑り係合を可能にするように形成され、
(b) 前記設置ヘッド部は、離脱用領域により前記閉鎖体に接続され、該離脱用領域は、該設置ヘッド部の前記閉鎖部からの分離を可能にすると共に前記アパーチャソケットを露出させるため該設置ヘッド部と前記閉鎖体との間の選択されたレベルのトルクに応答して前記離脱用領域が破断する態様で形成されている、請求項9に記載の閉鎖体。 - (a) 前記ボディは、前進方向に対して前端部を有し、
(b) 前記ボディは、前記ボディの構造部材の表面への係合を設定することを強化するため、前記前端部上に形成されたV字形状設定リングを有する、請求項9に記載の閉鎖体。 - 請求項9に記載の閉鎖体と、骨固定構造部材に接続するように構成された骨インプラントねじとの組み合わせであって、
前記骨インプラントねじは、
(a) 骨内にねじ込み式に埋め込むように構成された、ねじ軸と、
(b) 一対の間隔置きアームにより形成された開放ヘッド部であって、該アームは互いに対面するチャンネル表面を有して骨固定構造部材を受け入れるための構造部材受け入れチャンネルを画定する、前記開放ヘッド部と、
(c) 内側噛み合い式案内前進構造を内側に形成させた前記互いに対面するチャンネル表面であって、該内側噛み合い式案内前進構造は、前記ボディの回転時に、該ボディの前記チャンネル内への案内及び前進を可能にし、これにより前記骨固定構造部材を締め付けると共に前記ボディ及び前記アームを連結させて該アームの拡大に対抗するため、前記案内前進フランジと適合して回転可能に噛み合うことが可能である、前記チャンネル表面と、
を備える、組み合わせ。 - (a) 前記骨インプラントねじの前記噛み合い式案内前進構造は、外側拡大防止式表面を備え、該外側拡大防止式表面は、前記アームが拡大しようとする傾向に対抗する態様で、前記閉鎖体の前記内側拡大防止式表面と協働する、請求項12に記載の閉鎖体と骨インプラントねじとの組み合わせ。
- (a) 前記フランジは、前記内側拡大防止式表面要素を形成するその外側周辺部の近傍に比較的拡大した領域を有し、
(b) 前記噛み合い式案内前進構造は、前記外側拡大防止式表面要素を形成するため前記案内前進フランジと相補的な態様で輪郭が形成されており、
(c) 前記閉鎖体が前記骨インプラントねじの前記開放ねじヘッド部内へと回転されたとき、前記内側拡大防止式表面要素は前記外側拡大防止式表面要素と係合する、請求項13に記載の組み合わせ。 - 構造部材との係合を設定するための閉鎖体であって、該閉鎖体は、中央閉鎖体軸に対して外側の円柱表面を有する略円柱ボディと、該外側円柱表面の回りに螺旋状に延在する、実質的に連続的な案内前進フランジであって、該フランジは、前進方向に対して先導する表面と後側の表面とを有する、前記フランジと、を備え、
前記閉鎖体は、
(a) 前記先導表面及び前記後側表面のうち少なくとも1つは、前記閉鎖体軸に実質的に対面し、内側に面した拡大防止式表面要素を備えて、輪郭が混成し、
(b) 前記ボディは、前記閉鎖体軸に沿って配置され延在する多葉状アパーチャを有し、該アパーチャは、取り外し器具を受け入れるように構成された取り外しソケットを形成するため、前記閉鎖体軸に実質的に平行に延在する複数の間隔を隔てた複数のローブを備え、
(c) 離脱設置ヘッド部を更に備える、ことを改善点とした、閉鎖体。 - 前記多表面アパーチャは、
(a) 前記閉鎖体軸に沿って延在する多葉状アパーチャであって、該アパーチャは、前記閉鎖体軸に実質的に平行に延在する複数の間隔を隔てた複数のローブを備え、該ローブは前記閉鎖体軸に実質的に平行に延在する溝と周方向に交互に形成されている、請求項15に記載の閉鎖体。 - (a) 前記設置ヘッド部は、設置器具による該設置ヘッド部の非滑り係合を可能にするように形成され、
(b) 前記設置ヘッド部は、離脱用領域により前記ボディに接続され、該離脱用領域は、該設置ヘッド部の前記閉鎖部からの分離を可能にするため該設置ヘッド部と前記閉鎖体との間の選択されたレベルのトルクに応答して前記離脱用領域が破断する態様で形成されている、請求項15に記載の閉鎖体。 - (a) 前記ボディは、前進方向に対して前端部を有し、
(b) 前記ボディは、前記ボディの構造部材の表面への係合を設定することを強化するため、前記前端部上に形成されたV字形状設定リングを有する、請求項15に記載の閉鎖体。 - 請求項15に記載の閉鎖体と、骨固定構造部材に接続するように構成された骨インプラントねじとの組み合わせであって、
前記骨インプラントねじは、
(a) 骨内にねじ込み式に埋め込むように構成された、ねじ軸と、
(b) 一対の間隔置きアームにより形成された開放ヘッド部であって、該アームは互いに対面するチャンネル表面を有して骨固定構造部材を受け入れるための構造部材受け入れチャンネルを画定する、前記開放ヘッド部と、
(c) 各々の噛み合い式案内前進構造を内側に形成させた前記互いに対面するチャンネル表面であって、該内側噛み合い式案内前進構造は、前記ボディの前記チャンネル内への案内及び前進を可能にし、これにより前記骨固定構造部材を締め付けると共に前記ボディ及び前記アームを連結させて該アームの拡大に対抗するため、前記案内前進フランジと適合して回転可能に噛み合うことが可能である、前記チャンネル表面と、
(d) 前記骨インプラントねじの前記噛み合い式案内前進構造であって、該構造は、トルク及び他の力に応答して前記アームが拡がろうとする傾向に対抗する態様で、前記フランジの前記内側拡大防止式表面成分と協働する外側拡大防止式表面要素を備える、前記噛み合い式案内前進構造と、
を備える、組み合わせ。 - (a) 前記案内前進フランジは、前記内側拡大防止式表面要素を形成するその外側周辺部の近傍に比較的拡大した領域を有し、
(b) 前記噛み合い式案内前進構造は、前記外側拡大防止式表面要素を形成するため前記案内前進フランジと相補的な態様で輪郭が形成されており、
(c) 前記閉鎖体が前記骨インプラントねじの前記開放ねじヘッド部内に案内され前進されたとき、前記ボディを前記アームに噛み合わせるように前記内側拡大防止式表面要素は前記外側拡大防止式表面要素と係合する、請求項19に記載の組み合わせ。
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US10/783,889 US8282673B2 (en) | 2002-09-06 | 2004-02-20 | Anti-splay medical implant closure with multi-surface removal aperture |
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JP4510032B2 JP4510032B2 (ja) | 2010-07-21 |
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EP (1) | EP1715797A4 (ja) |
JP (1) | JP4510032B2 (ja) |
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DE10157814A1 (de) * | 2001-11-27 | 2003-06-26 | Biedermann Motech Gmbh | Verschlußeinrichtung zum Sichern eines stabförmigen Elements in einem mit einem Schaft verbundenen Halteelement |
Cited By (2)
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JP2009511126A (ja) * | 2005-10-07 | 2009-03-19 | ロジャー・ピー・ジャクソン | 破断延設部を有する螺旋状逆角度案内及び前進構造体 |
WO2015137688A1 (ko) * | 2014-03-13 | 2015-09-17 | 전창훈 | 척추 임플란트용 스크류 어셈블리 |
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US20080039848A1 (en) | 2008-02-14 |
US20040172032A1 (en) | 2004-09-02 |
US8128667B2 (en) | 2012-03-06 |
CA2555874A1 (en) | 2005-09-09 |
US8591552B2 (en) | 2013-11-26 |
US8282673B2 (en) | 2012-10-09 |
EP1715797A2 (en) | 2006-11-02 |
JP4510032B2 (ja) | 2010-07-21 |
US20120310286A1 (en) | 2012-12-06 |
WO2005081689A3 (en) | 2005-12-01 |
EP1715797A4 (en) | 2010-09-29 |
US20140081335A1 (en) | 2014-03-20 |
AU2004316268B2 (en) | 2008-05-22 |
WO2005081689A2 (en) | 2005-09-09 |
CA2555874C (en) | 2010-07-27 |
AU2004316268A1 (en) | 2005-09-09 |
AU2004316268C1 (en) | 2008-12-04 |
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