JP4838731B2 - 大腿骨股関節補綴具および移植方法 - Google Patents
大腿骨股関節補綴具および移植方法 Download PDFInfo
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- JP4838731B2 JP4838731B2 JP2006551156A JP2006551156A JP4838731B2 JP 4838731 B2 JP4838731 B2 JP 4838731B2 JP 2006551156 A JP2006551156 A JP 2006551156A JP 2006551156 A JP2006551156 A JP 2006551156A JP 4838731 B2 JP4838731 B2 JP 4838731B2
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- stem
- femoral
- prosthesis
- flange portion
- proximal
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- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00029—Cobalt-based alloys, e.g. Co-Cr alloys or Vitallium
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
Claims (12)
- 大腿骨の近位端の切除面および前記大腿骨の髄内空洞の内側に移植するのに適合した補綴具であって、
外側の支承面を有する大腿骨頭要素と、
大腿骨ステム要素と、
を具え、該大腿骨ステム要素は、
前記大腿骨頭要素に係合可能な近位部および遠位頸部本体を有する頸部と、
該頸部の遠位にあってこれに隣接し、切除される皮質骨組織の少なくとも一部を覆うに十分な広さをもつ底面を有するフランジ部と、
該フランジ部の前記底面に隣接し、前記遠位頸部本体から延在する遷移本体領域と、
該遷移本体領域から遠位方向に延伸され、前記フランジ部の前記底面に対し鋭角をなす方向を向いた長手軸を有する延伸ステム部と、
前記フランジ部の前記底面から延在する回転制限ボスと、
を含み、前記遷移本体領域は、通常の歩行サイクルの間、前記底面が前記大腿骨の前記切除面に有効な圧縮荷重を及ぼすようにするために柔軟性をもつよう、前記フランジ部の底面に隣接する部分と、前記延伸ステム部が延伸されてゆく部分との間に湾曲した部分を有する形状とされ、
前記回転制限ボスは、前記フランジ部の前記底面の付近にボス軸始点をもつ突出軸を有し、前記延伸ステムも前記フランジ部の前記底面の付近にステム軸始点を有し、前記ボス軸始点と前記ステム軸始点とは、前記延伸ステム部の最大断面より大きい長さをもって離隔していることを特徴とする補綴具。 - 前記延伸ステム部は、実質的に一定の断面の周囲形状および寸法をもつ一様な包絡面を有することを特徴とする請求項1に記載の補綴具。
- 前記ボス軸始点と前記ステム軸始点とは実質的に平行であることを特徴とする請求項1に記載の補綴具。
- 前記ボス軸始点と前記ステム軸始点とは実質的に平行でないことを特徴とする請求項1に記載の補綴具。
- 前記突出軸は前記フランジ部の前記底面に垂直であることを特徴とする請求項1に記載の補綴具。
- 前記延伸ステム部は複数の長手方向溝が設けられた遠位セクションを有し、前記複数の長手方向溝は前記長手軸にほぼ平行に整列していることを特徴とする請求項1に記載の補綴具。
- 前記頸部は、前記遷移本体領域が隣接する前記フランジ部の前記底面の部分に対し鈍角をなして配置されていることを特徴とする請求項1に記載の補綴具。
- 前記頸部は第1端および第2端を有し、前記第1端が前記フランジ部に接続されてそこから近位方向に延在し、前記第2端が前記大腿骨頭要素に圧入される形状となっていることを特徴とする請求項1に記載の補綴具。
- 前記大腿骨頭要素の外側面の少なくとも一部が半球状であることを特徴とする請求項8に記載の補綴具。
- 前記鋭角が10度ないし80度の範囲であることを特徴とする請求項1に記載の補綴具。
- 前記包絡面は前記長手軸に垂直な平面上で測定される最大断面積を有することを特徴とする請求項2に記載の補綴具。
- 前記延伸ステム部は傾斜部を含むことを特徴とする請求項1に記載の補綴具。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US10/763,314 | 2004-01-22 | ||
US10/763,314 US7534271B2 (en) | 2004-01-22 | 2004-01-22 | Femoral hip prosthesis and method of implantation |
PCT/US2005/001046 WO2005069810A2 (en) | 2004-01-22 | 2005-01-10 | Femoral hip prosthesis and method of implantation |
Publications (3)
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JP2007518525A JP2007518525A (ja) | 2007-07-12 |
JP2007518525A5 JP2007518525A5 (ja) | 2008-02-28 |
JP4838731B2 true JP4838731B2 (ja) | 2011-12-14 |
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Family Applications (1)
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JP2006551156A Expired - Fee Related JP4838731B2 (ja) | 2004-01-22 | 2005-01-10 | 大腿骨股関節補綴具および移植方法 |
Country Status (6)
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US (4) | US7534271B2 (ja) |
EP (1) | EP1718250A4 (ja) |
JP (1) | JP4838731B2 (ja) |
AU (1) | AU2005206852A1 (ja) |
CA (1) | CA2554148A1 (ja) |
WO (1) | WO2005069810A2 (ja) |
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2004
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-
2005
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- 2005-01-10 CA CA002554148A patent/CA2554148A1/en not_active Abandoned
- 2005-01-10 AU AU2005206852A patent/AU2005206852A1/en not_active Abandoned
- 2005-01-10 JP JP2006551156A patent/JP4838731B2/ja not_active Expired - Fee Related
- 2005-01-10 EP EP05711398A patent/EP1718250A4/en not_active Withdrawn
-
2006
- 2006-02-09 US US11/351,621 patent/US7374576B1/en not_active Expired - Fee Related
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2009
- 2009-04-24 US US12/429,882 patent/US20090216335A1/en not_active Abandoned
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2010
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Also Published As
Publication number | Publication date |
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US20110004319A1 (en) | 2011-01-06 |
JP2007518525A (ja) | 2007-07-12 |
US20050165493A1 (en) | 2005-07-28 |
US7374576B1 (en) | 2008-05-20 |
US20090216335A1 (en) | 2009-08-27 |
WO2005069810A2 (en) | 2005-08-04 |
US7534271B2 (en) | 2009-05-19 |
EP1718250A4 (en) | 2012-08-01 |
WO2005069810A3 (en) | 2005-10-20 |
US8157871B2 (en) | 2012-04-17 |
AU2005206852A1 (en) | 2005-08-04 |
CA2554148A1 (en) | 2005-08-04 |
EP1718250A2 (en) | 2006-11-08 |
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