JP2008086773A - モジュラー式インプラント用の組立器具、キット、および関連方法 - Google Patents
モジュラー式インプラント用の組立器具、キット、および関連方法 Download PDFInfo
- Publication number
- JP2008086773A JP2008086773A JP2007254241A JP2007254241A JP2008086773A JP 2008086773 A JP2008086773 A JP 2008086773A JP 2007254241 A JP2007254241 A JP 2007254241A JP 2007254241 A JP2007254241 A JP 2007254241A JP 2008086773 A JP2008086773 A JP 2008086773A
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- Prior art keywords
- component
- assembly tool
- prosthesis
- relative
- assembly
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- Granted
Links
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- A61F2002/4629—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof connected to the endoprosthesis or implant via a threaded connection
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- A—HUMAN NECESSITIES
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- A61F2/30—Joints
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- A61F2/4637—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for connecting or disconnecting two parts of a prosthesis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0041—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using additional screws, bolts, dowels or rivets, e.g. connecting screws
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Abstract
【解決手段】関節形成術に用いるために、プロテーゼの第1のコンポーネントを第2のコンポーネントに取り付けるための組立器具を用意する。この器具は、第1のコンポーネントに接触する第1の部材および第2のコンポーネントに結合される第2の部材を含む。第1の部材は、第1の部材の長手方向軸を画定している。第1の部材および第2の部材は、プロテーゼの第1のコンポーネントを第2のコンポーネントに取り付けるために用いられる。第2の部材は、第1の部材に対して第1の部材の長手方向軸を中心に回転すると、第1の部材に対して相対運動する。第1および第2の部材は、この第1の部材を第2の部材に対して相対運動させるように互いに協働する相対運動機能構造を有する。これらの相対運動機能構造は、摩擦を低減するように構成されている。
【選択図】図1
Description
本願は、2003年6月25日に米国特許出願第10/606,401号(名称:「モジュラー式インプラント用の組立器具、キット、および関連方法(ASSEMBLY TOOL FOR MODULAR IMPLANTS AND ASSOCIATED METHOD)」)(代理人整理番号:DEP670)として出願され、2004年12月30日に公開された米国特許出願公開第20040267373号(名称:「モジュラー式インプラント用の組立器具、キット、および関連方法(ASSEMBLY TOOL FOR MODULAR IMPLANTS AND ASSOCIATED METHOD)」)の一部係属出願である、2004年6月28日に米国特許出願第10/878,292号(名称:「モジュラー式インプラント用の組立器具、キット、および関連方法(ASSEMBLY TOOL FOR MODULAR IMPLANTS AND ASSOCIATED METHOD)」)(代理人整理番号:DEP670CIP)として出願され、2005年2月10日に公開された米国特許出願公開第20050033444号(名称:「モジュラー式インプラント用の組立器具、キット、および関連方法(ASSEMBLY TOOL FOR MODULAR IMPLANTS AND ASSOCIATED METHOD)」)の一部係属出願である。これらの特許出願は、参照して開示内容の全てを本明細書に組み入れるものとする。
本発明は、一般的には、整形外科の分野に関し、より詳細には、関節形成術に使用するためのインプラントに関する。
変形性関節症およびリウマチ様関節炎による痛みおよび不動性状態に苦しむ患者は、関節置換外科手術を希望している。関節置換外科手術は、きわめて広く行われており、手術ができない場合を除き、多くの患者が機能を回復することができる。人工関節は、通常は、既存の骨に固定される金属性、セラミック製、および/またはプラスチック製コンポーネントから形成される。
本発明に従って、モジュラー関節プロテーゼの2つのコンポーネントに用いるための装置を提供する。この装置は、股関節プロテーゼなどのモジュラー式プロテーゼ関節ステムの近位ステムコンポーネントを遠位ステムコンポーネントに取り付けるのに特に適している。この器具は、例えば、近位コンポーネントに係合する部分、および遠位コンポーネントに係合する別の構成要素を有する。器具は、近位コンポーネントに力を加え、遠位コンポーネントに反対の力を加える。例えば、器具は、遠位ステムの近位側にネジ係合し、近位本体の近位側の肩に反対の力を加えることができる。
本発明の実施形態および本発明の利点は、添付の図面を参照しながら以下の説明を読めば最もよく理解できるであろう。各図面において、同様の参照符号は同様の構成要素を指すものとする。
DI=(θ/360)×π×2R×Tanα
ただし、
θ=角度付きアーム(angular arm)の変位(ラジアン)
R=中心線110からのスロット144の半径(インチ)
DI=変位(インチ)
α=傾斜角(度)
である。
(1)関節形成術に用いるために、プロテーゼの第1のコンポーネントを前記プロテーゼの第2のコンポーネントに取り付けるための組立器具において、
第1の部材であって、前記第1のコンポーネントに接触し、前記第1の部材の長手方向軸を画定している、第1の部材と、
前記第2のコンポーネントに結合される第2の部材であって、
前記第2の部材の長手方向軸を画定しており、前記第1の部材の長手方向軸と前記第1の部材の長手方向軸とが、同軸上にあり、
前記第1の部材および前記第2の部材が、前記プロテーゼの前記第1のコンポーネントを前記プロテーゼの前記第2のコンポーネントに取り付けできるように構成されており、
前記プロテーゼの前記第1のコンポーネントを前記第2のコンポーネントに取り付けるために、前記第2の部材が、前記第1の部材に対して前記第2の部材の長手方向軸を中心に回転すると、前記第1の部材に対して相対運動するように構成されており、
前記第2の部材の前記第1の部材に対する相対運動を用いて、前記第1のコンポーネントを前記第2のコンポーネントに対して相対運動させて、前記第2のコンポーネントを前記第1のコンポーネントに係合させることができ、
前記第1の部材が、第1の部材の相対運動機能構造を含み、前記第2の部材が、第2の部材の相対運動機能構造を含み、
前記第1の部材の相対運動機能構造と前記第2の部材の相対運動機能構造が互いに協働して、前記第1の部材を前記第2の部材に対して相対運動させることができ、
前記第1の部材の相対運動機能構造および前記第2の部材の相対運動機能構造が、これらの機能構造間の摩擦を低減するように構成されている、
第2の部材と、
を含む、組立器具。
(2)実施態様(1)に記載の組立器具において、
前記第1の部材の相対運動機能構造、および前記第2の部材の相対運動機能構造が、ネジを含む、組立器具。
(3)実施態様(2)に記載の組立器具において、
前記ネジが、谷底と山の頂との間の摩擦を低減するために切頭型の谷底および山の頂を有する、組立器具。
(4)実施態様(3)に記載の組立器具において、
前記ネジが、Acme(登録商標)ネジを含む、組立器具。
(5)実施態様(1)に記載の組立器具において、
前記第1の部材の相対運動機能構造および前記第2の部材の相対運動機能構造の少なくとも一方が、前記第2の部材の長手方向軸に沿った、前記第2の部材に対する前記第1の部材の予め定められ制限された相対運動量(predetermined limited amount of relative motion)を提供するように構成されている、組立器具。
前記第1の部材および前記第2の部材の少なくとも一方が、前記第1の部材および前記第2の部材の一方から外側に延びたハンドルを含む、組立器具。
(7)実施態様(1)に記載の組立器具において、
前記第1の部材は、概ね円柱の長手方向開口を前記第1の部材の内部に画定している本体を含み、
前記第2の部材は、その一部が、前記第1の部材の前記円柱の長手方向開口に沿って横断するように適合する、組立器具。
(8)実施態様(1)に記載の組立器具において、
前記第1の部材が、前記第1の部材の内部に中心キャビティを画定しており、
前記第2の部材が、この第2の部材に設けられた移動部分を含み、
前記移動部分が、前記第1の部分と協働可能であり、かつ前記中心キャビティ内に少なくとも部分的に受容されており、
前記移動部材は、前記第2の部材が回転すると、前記第2の部材の長手方向軸に沿って移動するが、回転はしないように構成されている、組立器具。
(9)実施態様(8)に記載の組立器具において、
前記第2の部材が、前記移動部材と協働可能である調節部分を含み、
この調節部分は、前記移動部材がその移動部材の長手方向軸に沿って移動すると、前記第2の部材の長手方向軸に沿って移動するように構成されており、かつ、前記調節部分を前記第2の部材の長手方向軸を中心に手動で回転させて、前記第2のコンポーネントを引き寄せて前記第1のコンポーネントに係合させることができるように構成されている、組立器具。
(10)実施態様(1)に記載の組立器具において、
前記第2の部材が、前記第1の部材の長手方向軸に沿って軸方向に調節可能であって、前記第2のコンポーネントを引き寄せて前記第1のコンポーネントに係合させることができる、組立器具。
前記第1の部材および前記第2の部材の少なくとも一方が、2つの部品からなる構造を有する、組立器具。
(12)実施態様(1)に記載の組立器具において、
前記第1のコンポーネントが、前記第1のコンポーネントの内部に内部テーパを画定しており、
前記第2のコンポーネントが、その第2のコンポーネント上に設けられた外部テーパ、および前記外部テーパから延びる雄ネジを備えており、
前記第2の部材が、前記第2のコンポーネントの切頭型の雄ネジと螺合する切頭型の雌ネジを画定している、組立器具。
(13)実施態様(1)に記載の組立器具において、
前記第2の部材の前記第1の部材に対する相対運動に関連した変位を測定するための変位測定装置、およびこの相対運動に関連した力を測定するための力測定装置の一方、
をさらに含む、組立器具。
(14)実施態様(2)に記載の組立器具において、
前記第2の部材が、前記第2の部材の長手方向軸を中心に回転すると、前記第1の部材が、前記第2の部材の長手方向軸に沿って前記第2の部材に対して移動する、組立器具。
(15)関節形成術に用いられるキットにおいて、
前記キットが、第1のプロテーゼの第1のコンポーネントをこの第1のプロテーゼの第2のコンポーネントに取り付けるため、および第2のプロテーゼの第1のコンポーネントをこの第2のプロテーゼの第2のコンポーネントに取り付けるために用いられ、
前記第1のプロテーゼの第1のコンポーネント、前記第2のプロテーゼの第1のコンポーネント、前記第1のプロテーゼの第2のコンポーネント、および前記第2のプロテーゼの第2のコンポーネントの少なくとも1つが、少なくとも1つの異なる寸法を有しており、
前記キットは、
関節形成術に用いるために、プロテーゼの第1のコンポーネントを前記プロテーゼの第2のコンポーネントに取り付けるための組立器具であって、
第1の部材であって、前記第1の部材の長手方向軸を画定している、前記第1のコンポーネントに接触する、第1の部材、ならびに、
前記第2のコンポーネントに結合される第2の部材であって、
前記第2の部材の長手方向軸を画定しており、
前記第1の部材の長手方向軸と前記第1の部材の長手方向軸とが、同軸上にあり、
前記第1の部材および前記第2の部材が、前記プロテーゼの前記第1のコンポーネントを前記プロテーゼの前記第2のコンポーネントに取り付けできるように構成されており、
前記プロテーゼの前記第1のコンポーネントを前記第2のコンポーネントに取り付けるために、前記第2の部材が、前記第1の部材に対して前記第2の部材の長手方向軸を中心に回転すると、前記第2の部材が、前記第1の部材に対する前記第2の部材の相対運動を提供するように構成されており、
前記第2の部材の前記第1の部材に対する相対運動を用いて、前記第1のコンポーネントを前記第2のコンポーネントに対して相対運動させて、前記第2のコンポーネントを前記第1のコンポーネントに係合させることができ、
前記第1の部材が、第1の部材の相対運動機能構造を含み、前記第2の部材が、第2の部材の相対運動機能構造を含み、
前記第1の部材の相対運動機能構造と前記第2の部材の相対運動機能構造とが互いに協働して、前記第1の部材を前記第2の部材に対して相対運動させることができ、
前記第1の部材の相対運動機能構造および前記第2の相対運動機能構造が、これらの機能構造間の摩擦を低減するように構成されている、
第2の部材、
を備える、組立器具と、
アダプターであって、前記組立器具が、前記第2のプロテーゼの前記第1のコンポーネントを前記第2のプロテーゼの前記第2のコンポーネントに取り付けできるように、前記第1の部材に取り外し可能に結合可能である、アダプターと、
を含む、キット。
前記第1の部材の相対運動機能構造、および前記第2の部材の相対運動機能構造が、これらの機能構造間の摩擦を低減するように構成されている、キット。
(17)実施態様(15)に記載のキットにおいて、
前記第1の部材の相対運動機能構造、および前記第2の部材の相対運動機能構造が、これらの機能構造間の摩擦を低減するために、切頭型の谷底(truncated roots)および山の頂(crests)を有するネジを含む、キット。
(18)実施態様(15)に記載のキットにおいて、
前記第1の部材が、その内部に中心キャビティを画定しており、
前記第2の部材が、この第2の部材に設けられた移動部分を含み、
この移動部分が、前記第1の部材と協働可能であり、かつ前記中心キャビティ内に少なくとも部分的に受容されており、
前記移動部材は、前記第2の部材が回転すると、前記第2の部材の長手方向軸に沿って移動するが、回転はしないように構成されており、
前記第2の部材が、前記移動部材と協働可能である調節部分を含み、
前記調節部分は、前記移動部材がその移動部材の長手方向軸に沿って移動すると、前記第2の部材の長手方向軸に沿って移動するように構成されており、かつ、前記調節部分を前記第2の部材の長手方向軸を中心に手動で回転させて、前記第2のコンポーネントを引き寄せて前記第1のコンポーネントに係合させることができるように構成されている、キット。
(19)実施態様(15)に記載のキットにおいて、
第2のアダプターであって、前記組立器具が、前記第1のプロテーゼの前記第1のコンポーネントを前記第1のプロテーゼの前記第2のコンポーネントに取り付けできるように、前記第1の部材に取り外し可能に結合可能なアダプターに用いる、第2のアダプターをさらに含む、キット。
(20)実施態様(19)に記載のキットにおいて、
第3のアダプターであって、前記組立器具が、前記第3のプロテーゼの前記第1のコンポーネントを前記第3のプロテーゼの前記第2のコンポーネントに取り付けできるように、前記第1の部材に取り外し可能に取り付けできるアダプターに用いる、第3のアダプターをさらに含む、キット。
複数のプロテーゼを用意するステップであって、これらの各プロテーゼが、第1のコンポーネント、および前記第1のコンポーネントに取り外し可能に取り付けできる第2のコンポーネントを含み、前記各プロテーゼの前記第1のコンポーネントおよび前記第2のコンポーネントの一方の少なくとも1つの寸法が、他のプロテーゼのコンポーネントの寸法とは異なっている、ステップと、
前記第1のコンポーネントに操作可能に結合される第1の部材、および前記第2のコンポーネントに操作可能に結合される第2の部材を有する器具を用意するステップであって、前記第1の部材が、第1の部材の相対運動機能構造、および概ね円柱の長手方向開口を内部に画定する本体を含み、前記第2の部材が、前記プロテーゼの第1のコンポーネントを第2のコンポーネントに取り付けるために、前記第1の部材に対して相対運動できるように前記第1の部材に操作可能に結合され、前記器具が、複数のアダプターを含み、これらの各アダプターが、前記複数の異なるプロテーゼの1つに適している、ステップと、
前記複数のプロテーゼから1つのプロテーゼを選択するステップと、
前記選択した1つのプロテーゼの第1のコンポーネントを前記選択した1つのプロテーゼの第2のコンポーネントに取り付けるステップと、
前記複数のアダプターの中から前記選択した1つのプロテーゼに適したアダプターを前記器具に取り付けるステップと、
前記器具の前記第1の部材を前記第1のコンポーネントに結合するステップと、
前記器具の前記第2の部材を前記第2のコンポーネントに結合するステップと、
前記器具の前記第1の部材を前記器具の第2の部材に対して回転させて、前記第1のコンポーネントを前記第2のコンポーネントに固定するステップと、
を含む、方法。
Claims (11)
- 関節形成術に用いるために、プロテーゼの第1のコンポーネントを前記プロテーゼの第2のコンポーネントに取り付けるための組立器具において、
第1の部材であって、前記第1のコンポーネントに接触し、前記第1の部材の長手方向軸を画定している、第1の部材と、
前記第2のコンポーネントに結合される第2の部材であって、
前記第2の部材の長手方向軸を画定しており、
前記第1の部材の長手方向軸と前記第1の部材の長手方向軸とが、同軸上にあり、
前記第1の部材および前記第2の部材が、前記プロテーゼの前記第1のコンポーネントを前記プロテーゼの前記第2のコンポーネントに取り付けできるように構成されており、
前記プロテーゼの前記第1のコンポーネントを前記第2のコンポーネントに取り付けるために、前記第2の部材が、前記第1の部材に対して前記第2の部材の長手方向軸を中心に回転すると、前記第1の部材に対して相対運動するように構成されており、
前記第2の部材の前記第1の部材に対する相対運動を用いて、前記第1のコンポーネントを前記第2のコンポーネントに対して相対運動させて、前記第2のコンポーネントを前記第1のコンポーネントに係合させることができ、
前記第1の部材が、第1の部材の相対運動機能構造を含み、前記第2の部材が、第2の部材の相対運動機能構造を含み、
前記第1の部材の相対運動機能構造と前記第2の部材の相対運動機能構造が互いに協働して、前記第1の部材を前記第2の部材に対して相対運動させることができ、
前記第1の部材の相対運動機能構造および前記第2の部材の相対運動機能構造が、これらの機能構造間の摩擦を低減するように構成されている、
第2の部材と、
を含む、組立器具。 - 請求項1に記載の組立器具において、
前記第1の部材の相対運動機能構造、および前記第2の部材の相対運動機能構造が、ネジを含む、組立器具。 - 請求項2に記載の組立器具において、
前記ネジが、谷底と山の頂との間の摩擦を低減するために切頭型の谷底および山の頂を有する、組立器具。 - 請求項1に記載の組立器具において、
前記第1の部材の相対運動機能構造および前記第2の部材の相対運動機能構造の少なくとも一方が、前記第2の部材の長手方向軸に沿った、前記第2の部材に対する前記第1の部材の予め定められ制限された相対運動量を提供するように構成されている、組立器具。 - 請求項1に記載の組立器具において、
前記第1の部材および前記第2の部材の少なくとも一方が、前記第1の部材および前記第2の部材の一方から外側に延びたハンドルを含む、組立器具。 - 請求項1に記載の組立器具において、
前記第1の部材は、概ね円柱の長手方向開口を前記第1の部材の内部に画定している本体を含み、
前記第2の部材は、その一部が、前記第1の部材の前記円柱の長手方向開口に沿って横断するように適合する、組立器具。 - 請求項1に記載の組立器具において、
前記第1の部材が、前記第1の部材の内部に中心キャビティを画定しており、
前記第2の部材が、この第2の部材に設けられた移動部分を含み、
前記移動部分が、前記第1の部分と協働可能であり、かつ前記中心キャビティ内に少なくとも部分的に受容されており、
前記移動部材は、前記第2の部材が回転すると、前記第2の部材の長手方向軸に沿って移動するが、回転はしないように構成されている、組立器具。 - 請求項7に記載の組立器具において、
前記第2の部材が、前記移動部材と協働可能である調節部分を含み、
この調節部分は、前記移動部材がその移動部材の長手方向軸に沿って移動すると、前記第2の部材の長手方向軸に沿って移動するように構成されており、かつ、前記調節部分を前記第2の部材の長手方向軸を中心に手動で回転させて、前記第2のコンポーネントを引き寄せて前記第1のコンポーネントに係合させることができるように構成されている、組立器具。 - 請求項1に記載の組立器具において、
前記第1のコンポーネントが、前記第1のコンポーネントの内部に内部テーパを画定しており、
前記第2のコンポーネントが、その第2のコンポーネント上に設けられた外部テーパ、および前記外部テーパから延びる雄ネジを備えており、
前記第2の部材が、前記第2のコンポーネントの切頭型の雄ネジと螺合する切頭型の雌ネジを画定している、組立器具。 - 請求項1に記載の組立器具において、
前記第2の部材の前記第1の部材に対する相対運動に関連した変位を測定するための変位測定装置、およびこの相対運動に関連した力を測定するための力測定装置の一方、
をさらに含む、組立器具。 - 関節形成術に用いられるキットにおいて、
前記キットが、第1のプロテーゼの第1のコンポーネントをこの第1のプロテーゼの第2のコンポーネントに取り付けるため、および第2のプロテーゼの第1のコンポーネントをこの第2のプロテーゼの第2のコンポーネントに取り付けるために用いられ、
前記第1のプロテーゼの第1のコンポーネント、前記第2のプロテーゼの第1のコンポーネント、前記第1のプロテーゼの第2のコンポーネント、および前記第2のプロテーゼの第2のコンポーネントの少なくとも1つが、少なくとも1つの異なる寸法を有しており、
前記キットは、
関節形成術に用いるために、プロテーゼの第1のコンポーネントを前記プロテーゼの第2のコンポーネントに取り付けるための組立器具であって、
第1の部材であって、前記第1の部材の長手方向軸を画定している、前記第1のコンポーネントに接触する、第1の部材、ならびに、
前記第2のコンポーネントに結合される第2の部材であって、
前記第2の部材の長手方向軸を画定しており、
前記第1の部材の長手方向軸と前記第1の部材の長手方向軸とが、同軸上にあり、
前記第1の部材および前記第2の部材が、前記プロテーゼの前記第1のコンポーネントを前記プロテーゼの前記第2のコンポーネントに取り付けできるように構成されており、
前記プロテーゼの前記第1のコンポーネントを前記第2のコンポーネントに取り付けるために、前記第2の部材が、前記第1の部材に対して前記第2の部材の長手方向軸を中心に回転すると、前記第2の部材が、前記第1の部材に対する前記第2の部材の相対運動を提供するように構成されており、
前記第2の部材の前記第1の部材に対する相対運動を用いて、前記第1のコンポーネントを前記第2のコンポーネントに対して相対運動させて、前記第2のコンポーネントを前記第1のコンポーネントに係合させることができ、
前記第1の部材が、第1の部材の相対運動機能構造を含み、前記第2の部材が、第2の部材の相対運動機能構造を含み、
前記第1の部材の相対運動機能構造と前記第2の部材の相対運動機能構造とが互いに協働して、前記第1の部材を前記第2の部材に対して相対運動させることができ、
前記第1の部材の相対運動機能構造および前記第2の相対運動機能構造が、これらの機能構造間の摩擦を低減するように構成されている、
第2の部材、
を備える、組立器具と、
アダプターであって、前記組立器具が、前記第2のプロテーゼの前記第1のコンポーネントを前記第2のプロテーゼの前記第2のコンポーネントに取り付けできるように、前記第1の部材に取り外し可能に結合可能である、アダプターと、
を含む、キット。
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- 2007-09-28 JP JP2007254241A patent/JP5306624B2/ja not_active Expired - Fee Related
- 2007-09-29 CN CN2007101857356A patent/CN101273925B/zh active Active
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JP2012000460A (ja) * | 2010-06-15 | 2012-01-05 | Depuy Products Inc | 螺旋状組立工具 |
US10166118B2 (en) | 2010-06-15 | 2019-01-01 | DePuy Synthes Products, Inc. | Spiral assembly tool |
JP2014083442A (ja) * | 2012-10-18 | 2014-05-12 | Depuy Synthes Products Llc | 螺旋状組立工具 |
JP2021527477A (ja) * | 2018-06-11 | 2021-10-14 | デサロジョス バイオメカニコス インノヴァサン エス.エル. | 股関節または肩関節プロテーゼ、及び位置付け器具 |
Also Published As
Publication number | Publication date |
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US20070123908A1 (en) | 2007-05-31 |
US8998919B2 (en) | 2015-04-07 |
EP1905396A1 (en) | 2008-04-02 |
CN101273925B (zh) | 2011-12-14 |
AU2007221753A1 (en) | 2008-04-17 |
US20150164658A1 (en) | 2015-06-18 |
CN101273925A (zh) | 2008-10-01 |
US9381097B2 (en) | 2016-07-05 |
JP5306624B2 (ja) | 2013-10-02 |
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