JP2005021696A - 人工寛骨臼装置及び臼蓋コンポーネント - Google Patents
人工寛骨臼装置及び臼蓋コンポーネント Download PDFInfo
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- JP2005021696A JP2005021696A JP2004195866A JP2004195866A JP2005021696A JP 2005021696 A JP2005021696 A JP 2005021696A JP 2004195866 A JP2004195866 A JP 2004195866A JP 2004195866 A JP2004195866 A JP 2004195866A JP 2005021696 A JP2005021696 A JP 2005021696A
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- acetabular
- component
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- artificial
- joint
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- 206010023204 Joint dislocation Diseases 0.000 abstract description 7
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- 210000000689 upper leg Anatomy 0.000 abstract 5
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- 210000002414 leg Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 1
- 208000007446 Hip Dislocation Diseases 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
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- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000560 biocompatible material Substances 0.000 description 1
- 239000010952 cobalt-chrome Substances 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
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- 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)
Abstract
【解決手段】 人工寛骨臼装置10は、全体として、臼蓋コンポーネント12と、臼蓋シェル14とからなる。臼蓋コンポーネント12は、臼蓋関節コンポーネント16と、臼蓋拘束コンポーネント18とを含んでいる。関節コンポーネント16は、大腿骨股関節ステムの大腿骨球部を受容するための半球面状窪みを規定する半球状又はドーム状の形状を有している。拘束コンポーネント18は、大腿骨球部を関節コンポーネント16の窪みにロックするために、延長部110を備えたリング形状本体部分100を有している。
【選択図】 図1
Description
12 臼蓋コンポーネント
14 臼蓋シェル
16 臼蓋関節コンポーネント
18 臼蓋拘束コンポーネント
20 本体
26 窪み
44 窪み
54 延長部
100 本体部分
110 延長部
Claims (20)
- 臼蓋シェルと、
大腿骨球部を受容するように構成された部分球面状の窪みを形成する内側表面を備え、前記臼蓋シェルと接続可能である部分球形状の臼蓋関節コンポーネントと、
前記関節コンポーネントと接続可能であり、リング形状の本体と、該本体から外方に延び且つ三角形状断面を有した二つの延長部とを有する臼蓋拘束コンポーネントと、
を備える人工寛骨臼装置。 - 前記延長部は、前記本体の中心に向かって内側に傾斜した外側表面を有する、請求項1に記載の人工寛骨臼装置。
- 前記外側表面は丸まった縁端部を有する、請求項2に記載の人工寛骨臼装置。
- 前記延長部は、傾斜しており且つ前記本体と鈍角をなす二つの端部壁を有している、請求項3に記載の人工寛骨臼装置。
- 前記リング形状の本体は、該本体の中心に向かって内側に延びる肩部を有し、該肩部は前記関節コンポーネントの外側表面と係合しロックするように構成されている、請求項1に記載の人工寛骨臼装置。
- 前記延長部は、少なくとも一つの段部を含む内側表面を有している、請求項1に記載の人工寛骨臼装置。
- 前記段部は、前記関節コンポーネントに着座するように構成されている、請求項6に記載の人工寛骨臼装置。
- 大腿骨球部を受容するように構成された少なくとも部分的に球面状の窪みを形成する内側表面を有した球形状の臼蓋関節コンポーネントと、
円形状本体と二つの延長部と二つの切り抜き部とを有し、前記球面状の窪み内に前記大腿骨球部をロックするために前記関節コンポーネントに接続される臼蓋拘束コンポーネントと、
を備え、前記延長部が前記本体から外方に且つ前記本体の中心に向かって内方に突出していることを特徴とする臼蓋コンポーネント。 - 各延長部は、前記本体の中心に向かって内側に傾斜した外側表面を有している、請求項8に記載の臼蓋コンポーネント。
- 各延長部は、傾斜しており且つ前記円形の本体と鈍角をなす二つの端部表面を有している、請求項9に記載の臼蓋コンポーネント。
- 各延長部は、前記外側表面と対向する位置に設けられた内側表面を有し、該内側表面は少なくとも一つの段部を含む、請求項10に記載の臼蓋コンポーネント。
- 前記二つの切り抜き部が対向する位置に設けられており、前記二つの延長部が対向する位置に設けられている、請求項11に記載の臼蓋コンポーネント。
- 各延長部は三角形断面を有した形状である、請求項8に記載の臼蓋コンポーネント。
- 前記臼蓋コンポーネントは、前記拘束コンポーネントを前記関節コンポーネントにスナップ式に接続するロック機構をさらに含んでいる、請求項8に記載の臼蓋コンポーネント。
- 前記ロック機構は凹部と係合する肩部を含んでいる、請求項14に記載の臼蓋コンポーネント。
- 臼蓋シェルと、
前記臼蓋シェルと接続可能であり、大腿骨球部と関節接合するために部分的に球形状の窪みを形成する内側表面を有する臼蓋インサートと、
前記臼蓋インサートに接続可能であり、円形状の本体部分と、該本体部分から外方に延びる少なくとも一つの延長部とを有した拘束コンポーネントと、
を備え、前記延長部が前記円形状の本体部分の中心に向かって内方に延びている外側表面を有することを特徴とする生来の寛骨臼の一部を置換するように構成された人工寛骨臼装置。 - 前記延長部は少なくとも一つの丸まった縁端部を有する、請求項16に記載の人工寛骨臼装置。
- 前記臼蓋インサートは、ベース部分と、該ベース部分から下方に延びている少なくとも一つの延長部とを含み、前記拘束コンポーネントの延長部は、前記臼蓋インサートの延長部と係合するように構成された段状の内側表面を含んでいる、請求項17に記載の人工寛骨臼装置。
- 前記拘束コンポーネントの延長部は段状表面を含んでいる、請求項18に記載の人工寛骨臼装置。
- 前記拘束コンポーネントの延長部は、互いに向かって内側にテーパ状になっている二つの端部表面を有している、請求項16に記載の人工寛骨臼装置。
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US10/613,157 US7115145B2 (en) | 2003-07-03 | 2003-07-03 | Acetabular component |
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US7115145B2 (en) | 2006-10-03 |
AU2004202927A1 (en) | 2005-01-20 |
CA2472416C (en) | 2009-08-25 |
EP1493406A3 (en) | 2005-03-30 |
EP1493406B1 (en) | 2013-08-21 |
US20050004678A1 (en) | 2005-01-06 |
AU2004202927B2 (en) | 2009-04-23 |
JP4732717B2 (ja) | 2011-07-27 |
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