JP3650707B2 - 選択した軸受けを備える寛骨臼カップ組立体、寛骨臼カップ組立体用の殻部材及び寛骨臼カップ組立体の移植方法 - Google Patents
選択した軸受けを備える寛骨臼カップ組立体、寛骨臼カップ組立体用の殻部材及び寛骨臼カップ組立体の移植方法 Download PDFInfo
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- JP3650707B2 JP3650707B2 JP13798699A JP13798699A JP3650707B2 JP 3650707 B2 JP3650707 B2 JP 3650707B2 JP 13798699 A JP13798699 A JP 13798699A JP 13798699 A JP13798699 A JP 13798699A JP 3650707 B2 JP3650707 B2 JP 3650707B2
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- bearing
- cup assembly
- acetabular cup
- shell member
- bearing member
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Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Description
【発明の属する技術分野】
本発明は概ね人工移植部に関し、具体的には、股関節の大腿骨頭を受け入れるために、寛骨臼に人工軸受け部材を固定する寛骨臼カップ組立体とその移植方法に関する。
【0002】
【従来の技術】
人工移植による天然の股関節の部材の置換は広く行われていると共にその頻度はますます増大している。こうした移植を実行するときには様々な条件が発生するので、移植の場所で発生した条件により決定されるように、様々な軸受け材料を最適な位置と方向性に配置させなければならなくなる。軸受けの特定の材料ならびに軸受け部材のサイズ、位置および方向性の選択は処置をする外科医により決定される。通常、こうした選択は特定の患者の必要性を手術前の評価に基づいて実行される。しかし、しばしば、移植部が実際に準備されるまでに選択できなかったり、移植場所の条件が移植処置中でないと評価できない場合がある。
【0003】
【発明が解決しようとする課題】
したがって、手術の前の評価および特定の移植場所での条件の評価またはその一方により判定される特定の患者の必要性に外科医が適合でき、実際にそのように実行できるように手術中の選択ならびに手術前の選択の範囲を広げるのが有益である。
【0004】
【課題を解決するための手段】
本発明により、外科医は、一層容易かつ低価格で特定の移植場所に移植される寛骨臼カップ組立体の軸受け部材の最適な材料、位置および方向性を手術の前または手術中に選択できるようになる。したがって、本発明はいくつかの目的と利点を達成する。これらの利点および目的のいくつかは以下のように要約される。
【0005】
共通の寛骨臼殻を利用して、寛骨臼カップ組立体の軸受け部材における軸受け材料の広範な選択を可能にすること、 特定の寛骨臼殻をもつ組立体に対して選択された軸受け部材の軸受け表面の大きさ、位置および方向の選択を可能にすること、
軸受け材料ならびに軸受けサイズ、位置および方向の範囲を拡大し、手術の前または手術中に選択されるようにこうした選択を実際に利用可能にすること、
特定の移植部の様々な条件に基づく要件を満たしながら様々な患者の必要性に便宜をはかる際の外科医の自由裁量を広くして、天然の股関節の置換の精度を高めコストを下げること、
広範囲のオプションから手術前の選択及び手術後の選択の可能性を外科医に提供すること、
一層容易かつ安価で複雑で特殊な器具なしで共通の寛骨臼殻内に選択材料による軸受け部材を固定可能にすること、
適切な軸受け材料からなる軸受け部材をもち正確に寸法付け、位置付けおよび方向付けされ、製造および使用が安価で、長期間にわたって信頼性のある寛骨臼カップ組立体を提供すること
である。
【0006】
上記の目的および利点ならびに他の目的および利点は以下に述べる本発明により達成される。本発明は、内部に窩洞をもつ外部殻部材と、この窩洞内に固定される内部軸受け部材とを備える寛骨臼カップ組立体として要約できる。前記内部軸受け部材は、寛骨臼カップ組立体が選択された内部軸受け部材の特性に対応する特性を選択的に与えられるように特性が異なる複数の軸受け部材から選択され、寛骨臼カップ組立体は、寛骨臼殻の窩洞内に入る金属製の固定部材と、軸受け部材上の外部受容要素とを含み、前記外部受容要素と内部受容要素は、両者が契合すると、内部軸受け部材が固定部材に固定されるように軸受け部材の特性に適合しており、さらに、殻部材の窩洞内の内部固定要素を含み、この内部固定要素は、外部固定要素と内部固定要素が選択的に契合すると固定部材が殻部材内に選択的に固定されるように固定部材の外部固定要素とほぼ相補的になっている。
【0007】
さらに、本発明は、内部に固定される内部軸受け部材を備えた寛骨臼カップ組立体に使用される殻部材を含み、前記内部軸受け部材は、寛骨臼カップ組立体が選択された内部軸受け部材の特性に対応する特性を選択的に備えるように特性の異なる複数の軸受け部材から選択され、前記殻部材は、内部窩洞と、この窩洞内の第1固定要素とを含み、前記第1固定要素は前記複数の内部軸受け部材の少なくとも1つの固定特性に適合しており、さらに、前記殻部材の窩洞内の第2固定要素を含み、前記第2固定要素は前記複数の内部軸受け部材の少なくとも他の1つの固定特性に適合しており、前記内部軸受け部材の前者および後者はそれぞれ殻部材内に固定可能に選択されて、寛骨臼カップ組立体が完成する。
【0008】
さらに、本発明は、内部窩洞をもつ外部殻部材と前記窩洞内に固定される内部軸受け部材とをもち、前記内部軸受け部材は選択された内部軸受け部材の特性に適合する特性を選択的に備えるように特性が異なる複数の軸受け部材から選択されている寛骨臼カップ組立体を移植する方法の改良を提供する。この改良型方法は、寛骨臼殻の窩洞内に選択的に受け入れられる金属製固定部材を備える工程を含み、前記固定部材はそれぞれ外部固定要素と内部受容要素とをもち、さらに、各軸受け部材上の外部受容要素を前記複数の軸受け部材のそれぞれに備える工程を含み、前記外部受容要素と内部受容要素は各軸受け部材の特性の特性に適合しており、さらに各金属製固定部材の前記内部受容要素が各軸受け部材の外部受容要素に契合すると各軸受け部材を対応する固定部材に固定する工程を含み、殻部材の窩洞内の内部固定要素に対応する固定部材を固定することで殻部材の窩洞内に選択された軸受け部材を固定する工程を含み、外部固定要素が内部固定要素と選択的に契合すると、対応する固定要素が殻部材内に選択的に固定されるように前記内部固定要素は対応する固定要素の外部固定要素と相補的になる。
【0009】
さらに、本発明は、内部窩洞をもつ外部殻部材と窩洞内に固定される内部軸受け部材をもつ寛骨臼カップ組立体を移植し、この寛骨臼カップ組立体が選択された内部軸受け部材の特性に対応する特性を選択的に備えられるように前記内部軸受け部材が特性の異なる複数の軸受け部材から選択される移植方法の改良方法を提供する。この改良方法は、殻部材の窩洞内に第1固定要素を備える工程を含み、第1固定要素は複数の内部軸受け部材の少なくとも1つの固定特性に適合しており、さらに、殻部材の窩洞内に第2固定要素を備える工程とを含み、第2固定要素は複数の内部軸受け部材の少なくとも他の軸受け部材の固定特性に適合し、さらに内部軸受け部材の前者または後者の軸受け部材を選択し、選択された内部軸受け部材を対応する第1または第2固定要素と契合して殻部材内に選択した内部軸受け部材を固定する工程を含み、寛骨臼カップ組立体を完成させる。
【0010】
【発明の実施の形態】
図面、特に図1ないし図3を参照すると、本発明に応じて構成された寛骨臼カップ組立体が全体的に20で例示されている。寛骨臼カップ組立体20は金属製殻部材22の形態の殻要素と、本例ではプラスチック製軸受け部材24の形をとる軸受け挿入部とを備えている。殻部材22は外表面26を備え、この外表面26は、殻部材22が周知の方式で適切に準備された寛骨臼内に適切に配置され固定できるような輪郭をもつ。複数のネジ穴28が殻部材22に備えられており、これは補足固定手段が望まれる場合に、固定ネジ(図示せず)を受け入れるためのものである。内部窩洞30は、下端部34の下方開口部32から上端36の近くまで殻部材22内に延在している。縁部38が下端部34に配置されている。
【0011】
軸受け部材24は全体的に半球状の外被部40をもち、この外被部40は殻部材22の窩洞30とほぼ相補的に形成され、基部42から頂部44の近くまで延在している。基底フランジ46は、軸受け部材24の基部42の外周に周方向に添って延在し、軸受け部材24の基部42に横方向軸受け面48を備えている。軸受けソケット50は軸受け部材24内に上方に延在し、相補大腿骨頭(図示せず)用の球状軸受け面52を備えている。
【0012】
寛骨臼カップ組立体20は、複数の段階で移植される。すなわち、殻部材22と軸受け部材24は手術中に組立てることになっており、手術前の評価または移植の場所で発生する条件の評価に基づいて軸受けソケット50の適切な寸法、位置付けおよび方向付けが可能になる。このために、種々の軸受け部材24が利用可能になり、種々の軸受け部材24は、配置され固定される殻部材22に対して様々な位置と方向に配置される対応する軸受けソケット50を備えており、これらの軸受けソケット50の任意のものは殻部材22内の位置に手術中に適切に固定可能で、軸受け面52は、患者の必要性を満たすように適切に配置され方向付けられる。
【0013】
選択された軸受け部材24は、殻部材22の下端部34と軸受け部材24の基部42に隣接して備えられた固定機構60によって、殻部材22内の位置に適切に固定されている。図4ないし図6、ならびに図1ないし図3を参照すると、固定機構60は、殻部材22の窩洞30内であって下端部34と隣接(近傍)する位置に第1固定要素を備えている。この第1固定要素は環状凹部62の形状に形成され、殻部材22の横方向かつ外方向に延在している。環状リップ64の形の補完型固定要素は、軸受け部材24の基部42に隣接(近傍)して、軸受け部材24から横方向かつ外方向に延在している。プラスチック製の軸受け部材24の好ましい材料は、こうした軸受け部材に接続されて通常使用されている超高分子重量ポリエチレンであり、こうした材料の固定特性には、軸受け部材24を殻部材22に挿入し、軸受け部材24を殻部材22に配置すると、図6に示すように、環状リップ64が環状凹部62内に配置されて殻部材22内に軸受け部材24が確実に固定されるような弾力特性も含まれている。
【0014】
固定殻部材22に対する軸受けソケット50の位置と方向は、上述したように、軸受け部材24内の軸受けソケット50の位置および方向を様々に試みることで選択される。したがって、図1に示すように、軸受けソケット50は、他のオフセット軸受けソケット50Aにより透視線で例示されているように、軸受け部材24の中心軸Cから様々な選択可能な軸受け部材24に応じた可変量分、オフセットされ、移植部の軸受けソケット50の適切な位置が選択される。同様に、軸受けソケット50の適切な方向付けは、図1の他の方向に向けられている軸受けソケット50Bにより透視線で例示されているように、他の角度の方向を備えることで利用可能になる。適切な位置に配置されると、選択された軸受け部材24は、すべての種々の軸受け部材24に備えられている固定機構60に共通の凹部62とリップ64の形の相補型固定要素を契合させることで殻部材22内に固定される。加えて、ひとたび選択された軸受け部材24が殻部材22内に適切に配置されれば、殻部材22の縁部38から半径方向かつ内方向に延在する突起部70が軸受け部材24のフランジに隣接する軸受け部材24の対抗部分72に契合することによって、殻部材22に対して軸Cに関する軸受け部材24の回転が妨げられる。
【0015】
外科医が、患者の手術の前の評価に基づいたり、または移植処置の最中に特定の患者の必要性に基づいて、判断する場合には、手術の前の評価または特定の移植場所の条件の評価により判定されたように、軸受け部材24の材料の特性以外の特性をもつ軸受け材料がより適切で、寛骨臼カップ組立体20により外科医は特定の患者の必要性に一層ふさわしい特性を示す軸受け部材を選択することができる。したがって、図7ないし図10に示してあるように、他の軸受け部材80はセラミック材料から構成され、頂部84まで延在する全体的にドーム状の外方部分82を備えている。軸受けソケット86は軸受け部材80内に上方に延在し、相補型大腿骨頭(図示せず)用の球状軸受け面88を備えている。
【0016】
機構上の構成要素を固定するのに利用できる最も効率的で、便利がよく、機構面で単純で容易に使用可能な固定機構の1つは、プラスチック製軸受け部材24の材料のような柔軟な材料から構成されている構成要素がない場合には、契合可能なテーパー状の表面である。テーパー状の表面のテーパー角度は固着される特定の材料の固着特性に依存している。しかし、セラミック製の軸受け部材80の固着特性は、軸受け部材80の固定がほぼ円筒形の固定表面により最もよく実行されるようになっている。したがって、軸受け部材80は全体的に円筒状の固定面90の形をした外部受容要素を備えている。この表面90は、軸受け部材80の基部92とドーム状外被部82との間で、軸受け部材80の中心軸Cにほぼ並行に延在する。寛骨臼内の殻部材22の配置の後で殻部材22内に軸受け部材80を手術中に単純に固定できるように、固定機構60は適切な契合式テーパー状面を備えている。したがって、固定機構60は、下端部103に隣接した環状リング部分102と、リング部分102と上端部105との間で延在するドーム状部分104とを備えたスリーブ100の形に示されている金属製固定部材を備えている。ドーム状部分104は殻部材22の内方窩洞30の対抗部分にほぼ相補的である。リング部分102は、外部座面106の形をした外方固定要素と、全体的に円筒形の内方固定面108の形をした内部受容要素とを備えている。内部固定面108の構成と外部固定面90の構成は軸受け部材80の材料の特定の特性に対応しているので、外部固定面90を内部固定面108に契合させると、締りばめにより軸受け部材80がスリーブ100に固定される。
【0017】
固定機構60はさらに、殻部材22の窩洞30内であって下端部34と隣接する位置に第2固定要素を備えている。この第2固定要素は、殻部材22に配置された内部座面110の形に形成されている。内部座面110は外部座面106と相補的であり、座面106と110は、図10に示すように、契合する。座面106と110は、角度Aにより図示されているように、テーパー状の構成をしており、その構成のテーパーと殻部材22はスリーブ100の材料の固定特性に対応し、座面106と110の契合に応じたテーパー状の座面106と110の固定によりスリーブ100は殻部材22内に固定される。好ましい実施例では、殻部材22とスリーブ100は市販の純粋チタンから構成され、角度Aは約6度である。
なお、殻部材22の座面110は、殻部材22の下方開口部32側に位置する下側境界部111と、殻部材22の上端36側に位置する上側境界部112とを有し、第1固定要素は内部固定面のテーパー形状の前記上側境界部と下側境界部との間に配設されている。
【0018】
今度は図11ないし図13を参照すると、外科医が寛骨臼カップ組立体20の軸受け材料として他の材料を利用することを望んでいる場合でも、その材料から構成された他の代替軸受け部材は殻部材22内に固定可能である。したがって、代替軸受け部材120は、例えば、コバルトクロム合金などの他の金属から構成される。軸受け部材120は頂部124まで延在する全体的にドーム状の外被部分122を備えている。軸受けソケット126は軸受け部材120内に上方に延在し、相補型大腿骨頭(図示せず)のための球状軸受け面128を備えている。軸受け部材120は外方固定面130の形をした外方受容要素を備えている。ここで再び、固定機構60は、環状リング部分142とドーム状部分144を有するスリーブ140の形の金属製固定部材を備えている。ドーム状部分144は殻部材22の内方窩洞30の対抗部分とほぼ相補型であり、リング部分142は外部座面146の形の外部固定要素と内部固定面148の形の内部受容要素を備えている。
【0019】
内部固定面148の構成と外部固定面130の構成は軸受け部材120の材料の特定の固定特性に対応しているので、外部固定面130と内部固定面148を契合させると、軸受け部材120はスリーブ140の軸受け部材120上への契合および着座に応じてスリーブ140に固定される。固定面130と148は軸受け部材120とスリーブ140の間を堅牢に契合させる角度Bで先細化(テーパー化)している。スリーブ140は、座面146と110の間に生ずる締め付けにより殻部材22内に固定される。好ましい実施例では、スリーブ140と殻部材22はどちらも市販の純粋チタンから構成され、座面146と110は角度Aでテーパー化しており、スリーブ100に関して上述したように、スリーブ140と殻部材22の材料の固定特性に対応している。この方式で、殻部材22は、軸受け部材24,80および120などの様々な材料から構成されている複数の軸受け部材の選択された任意の軸受け部材を受け入れることができ、手術前または手術中に容易に、正確に、さらに外科医の労力が最小化され、その上複雑な特殊機器を必要とすることなく選択された軸受け部材を固定できる。
【0020】
今度は図14を参照すると、本発明に応じて構成されたスリーブの形の金属製固定部材を用いて、軸受け部材が内部に固定されている殻部材に対して軸受け部材の軸受け面の特定の位置を選択するのが望ましい場合のために、スリーブの内部受容要素と外部固定要素の相対位置がスリーブ毎に異なっている代替スリーブが備えられている。したがって、代替スリーブ150では、内部受容要素は、長手方向に延在する中心軸154をもつ内部固定面152を備え、外部固定要素は縦方向の中心軸158を有する外部座面156を備えており、中心軸154は、159で示されているように、中心軸158から横方向にオフセットされている。軸受け部材の軸受け面の望ましい位置は特定のオフセット159をもつスリーブ150を選択することで達成される。
【0021】
軸受け部材の軸受け面の望ましい方向は、その方向をもつスリーブを選択することで達成される。図15に示してあるように、代替スリーブ160は、長手方向に延在する中心軸164をもつ内部固定面162を備え、外部固定要素は縦方向の中心軸168を有する外部座面166を備えており、中心軸164は中心軸168と鋭角169を形成し、角度169の大きさを選択した結果、面162と166の相対的な方向の付随的選択がなされることになる。軸受け部材の軸受け面の望ましい方向は、特定の角度169をもつスリーブ160を選択することで得られる。
【0022】
当然のことながら、スリーブ150と160に関連して説明された選択位置ならびに選択方向は例示に過ぎない。位置と方向付けならびに他の位置および方向の様々な組み合せは、金属製の固定部材の構成を修正して特定の軸受け部材の軸受け面の望ましい位置付けと方向に適合させることにより利用可能である。
【0023】
寛骨臼カップ組立体20により、外科医には組立体20の軸受け部材の特性の手術前または手術中の選択に対する広範な選択肢が単純な方法かつ低価格で提供されることを理解すべきである。こうした特性には材料、サイズ、位置付け、および方向が含まれる。したがって、本発明は上記に要約された目的と利点を達成する。すなわち、
寛骨臼カップ組立体の軸受け部材に広範な軸受け材料の選択を可能にすること、 特定の寛骨臼殻をもつ組立体に対して選択された軸受け部材の軸受け表面の大きさ、位置および方向の選択を可能にすること、
軸受け材料ならびに軸受けサイズ、位置および方向の範囲を拡大し、手術の前または手術中に選択されるようにこうした選択を実際に利用可能にすること、
特定の移植部の様々な条件に基づく要件を満たしながら様々な患者の必要性に便宜をはかる際の外科医の自由裁量を広くして、天然の股関節の置換の精度を高めコストを下げること、
一層容易かつ安価で複雑で特殊な器具なしで共通の寛骨臼殻内に選択材料による軸受け部材を固定可能にすること、
適切な軸受け材料からなる軸受け部材をもち正確に寸法付け、位置付けおよび方向付けされ、製造および使用が安価で、長期間にわたって信頼性のある寛骨臼カップ組立体を提供すること
である。
【0024】
当然のことながら、本発明の好ましい実施例についての上記の説明は例に過ぎない。設計、構成および処理手順上の多様な細部は、請求の範囲に詳述されているように、本発明の精神と範囲から逸脱しないかぎり修正可能である。
【図面の簡単な説明】
【図1】本発明により構成された寛骨臼カップ組立体の部分断面拡大立面図である。
【図2】寛骨臼カップ組立体の殻要素の頂部平面図である。
【図3】寛骨臼カップ組立体の軸受け挿入要素の頂部平面図である。
【図4】図1に例示された殻要素の一部の拡大断面図である。
【図5】図1に例示された軸受け部材挿入要素の一部の拡大断面図である。
【図6】寛骨臼カップ組立体を組み立てた状態の図4と図5に示す部分の拡大断面図である。
【図7】他の構成要素を利用して示された寛骨臼カップ組立体の部分的に断面化された拡大立面図である。
【図8】寛骨臼カップ組立体の固定要素の頂部平面図である。
【図9】図7に示すような固定要素の一部の拡大断面図である。
【図10】構成要素が組立てられた状態で図7に示された寛骨臼カップ組立体の一部の拡大横断面図である。
【図11】寛骨臼カップ組立体の他の固定要素および軸受け挿入要素の部分的に断面化された拡大立面図である。
【図12】図11の固定要素の一部の拡大断面図である。
【図13】構成要素が組立てられた状態で、図11に示された他の構成要素を利用する寛骨臼カップ組立体の複数部分の拡大断面図である。
【図14】 他の固定要素の立面横断面図である。
【図15】他の固定要素の立面横断面図である。
【符号の説明】
20 寛骨臼カップ組立体
22 殻部材
24 軸受け部材
30 内方窩洞
38 縁部
Claims (6)
- 寛骨臼カップ組立体に使用され、前記寛骨臼カップ組立体は内部軸受け部材を備え、この内部軸受け部材を内部に固定するための殻部材であって、
内部窩洞と、
前記殻部材の前記窩洞内に設けられ、前記複数の内部軸受け部材の少なくとも1つの固定特性に適合するようになっている第1固定要素と、
前記殻部材の前記窩洞内に設けられ、前記複数の内部軸受け部材の少なくとも他の内部軸受け部材の前記固定特性に適合するようになっている第2固定要素と、
を備え、
前記内部軸受け部材は特性が異なる複数の軸受け部材から選択され、この1つまたは複数の前記内部軸受け部材は、前記寛骨臼カップ組立体を完成させるために、内部にそれぞれ固定されるよう選択可能になっており、前記寛骨臼カップ組立体には前記選択された内部軸受け部材の特性に対応する特性が選択的に与えられるようになっていることを特徴とする、寛骨臼カップ組立体用の殻部材。 - 前記殻部材は下方端と上方端を備え、前記窩洞は前記殻部材の前記下方端から前記上方端に延在し、前記第1固定要素および第2固定要素は前記殻部材の前記下方端の近傍に配置されている、請求項1に記載の寛骨臼カップ組立体の殻部材。
- 前記軸受け部材は該軸受け部材から突出するリップを備え、前記第1固定要素は前記軸受け部材の前記リップを受け入れる凹部を備えている、請求項2に記載の寛骨臼カップ組立体用の殻部材。
- 前記軸受け部材は外部固定面を備え、前記第2固定要素は内部固定面を備え、前記外部固定面と前記内部固定面は、相補型テーパー状に構成されて、前記相補型テーパー状構成の着座契合に応じて組合わされている、請求項2に記載の寛骨臼カップ組立体用の殻部材。
- 前記軸受け部材は該軸受け部材から突出するリップおよび外部固定面を備え、
前記第1固定要素は前記軸受け部材の前記リップを受け入れる凹部を備え、
前記第2固定要素は内部固定面を備えており、
前記外部固定面と前記内部固定面は、相補型テーパー状に構成されて、前記相補型テーパー状構成の着座契合に応じて組合わされている、請求項2に記載の寛骨臼カップ組立体用の殻部材。 - 前記内部固定面の前記テーパー形状は、殻部材の上方端側に位置する上側境界部と、殻部材の下方端側に位置する下側境界部とを有し、前記第1固定要素は前記内部固定面の前記テーパー形状の前記上側境界部と下側境界部との間に配設されている、請求項5に記載の寛骨臼カップ組立体用の殻部材。
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Application Number | Priority Date | Filing Date | Title |
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US8340698A | 1998-05-22 | 1998-05-22 | |
US09/083406 | 1998-05-22 | ||
US09/665,025 US6475243B1 (en) | 1998-05-22 | 2000-09-19 | Acetabular cup assembly with selected bearing |
Publications (2)
Publication Number | Publication Date |
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JPH11347055A JPH11347055A (ja) | 1999-12-21 |
JP3650707B2 true JP3650707B2 (ja) | 2005-05-25 |
Family
ID=26769261
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Application Number | Title | Priority Date | Filing Date |
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JP13798699A Expired - Lifetime JP3650707B2 (ja) | 1998-05-22 | 1999-05-19 | 選択した軸受けを備える寛骨臼カップ組立体、寛骨臼カップ組立体用の殻部材及び寛骨臼カップ組立体の移植方法 |
Country Status (6)
Country | Link |
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US (1) | US6475243B1 (ja) |
EP (2) | EP0958797B1 (ja) |
JP (1) | JP3650707B2 (ja) |
AU (1) | AU2695799A (ja) |
CA (1) | CA2270861C (ja) |
DE (1) | DE69905970T2 (ja) |
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-
1999
- 1999-05-05 CA CA002270861A patent/CA2270861C/en not_active Expired - Lifetime
- 1999-05-05 AU AU26957/99A patent/AU2695799A/en not_active Abandoned
- 1999-05-18 DE DE69905970T patent/DE69905970T2/de not_active Expired - Lifetime
- 1999-05-18 EP EP99303845A patent/EP0958797B1/en not_active Expired - Lifetime
- 1999-05-19 JP JP13798699A patent/JP3650707B2/ja not_active Expired - Lifetime
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2000
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2001
- 2001-09-19 EP EP01307979A patent/EP1195149B1/en not_active Expired - Lifetime
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DE69905970T2 (de) | 2004-02-05 |
EP0958797B1 (en) | 2003-03-19 |
CA2270861C (en) | 2006-08-29 |
US6475243B1 (en) | 2002-11-05 |
EP1195149A2 (en) | 2002-04-10 |
AU2695799A (en) | 1999-12-02 |
EP0958797A1 (en) | 1999-11-24 |
JPH11347055A (ja) | 1999-12-21 |
DE69905970D1 (de) | 2003-04-24 |
EP1195149B1 (en) | 2005-07-13 |
CA2270861A1 (en) | 1999-11-22 |
EP1195149A3 (en) | 2003-05-21 |
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