JP2004230175A - 人工股関節 - Google Patents
人工股関節 Download PDFInfo
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- JP2004230175A JP2004230175A JP2004026023A JP2004026023A JP2004230175A JP 2004230175 A JP2004230175 A JP 2004230175A JP 2004026023 A JP2004026023 A JP 2004026023A JP 2004026023 A JP2004026023 A JP 2004026023A JP 2004230175 A JP2004230175 A JP 2004230175A
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- socket
- ball head
- bipolar shell
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- 210000004394 hip joint Anatomy 0.000 title claims abstract description 6
- 239000000919 ceramic Substances 0.000 claims description 25
- 210000001624 hip Anatomy 0.000 claims description 16
- 210000000689 upper leg Anatomy 0.000 claims description 3
- 206010023204 Joint dislocation Diseases 0.000 abstract 1
- 210000001694 thigh bone Anatomy 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 8
- 239000004033 plastic Substances 0.000 description 8
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000004197 pelvis Anatomy 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2002/30317—The prosthesis having different structural features at different locations within the same prosthesis
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
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Abstract
【解決手段】球ヘッド2とソケット5との間に双極シェル3が配置されていて、前記球ヘッド2が双極シェル3内で回転し、該双極シェル3が前記ソケット5内で回転するようにした。
【選択図】図6
Description
a)セラミック製の構成部材の硬さが1000HV(ビッカース)よりも大きい、
b)セラミック製の構成部材の関節を成す面の表面光沢が0.1μmよりも小さい粗さを有している(Ra値<0.1μm)、
c)セラミック製の構成部材の関節を成す面の接触角が、1°〜8°の間(リンガー液内で測定して)である、
d)セラミックの構成部材の関節を成す面の滑り対偶の直径差が、1〜200μmの間、有利には20μm〜120μmの間である、
という特徴の組み合わせによって規定されている。
このプロステーシスは次の材料より成っている。
1. プロステーシスステム(金属、セラミック、プラスチック)、有利には金属
2. 球ヘッド(セラミック、金属、プラスチック)、有利にはセラミック
3. 双極シェル(金属、セラミック、プラスチック)、有利にはセラミック
4. 固定リング(金属、セラミック、プラスチック)、有利にはプラスチック
5. ソケット又はソケットインサート(金属、セラミック、プラスチック)、有利にはセラミック
Claims (6)
- 大腿骨に植設されるステム(1)と、該ステム(1)に例えば円錐形の緊締部によって固定される球ヘッド(2)と、ソケット(5)とを有しており、該ソケット(5)内で前記球ヘッド(2)が可動に支承されている形式のものにおいて、
球ヘッド(2)とソケット(5)との間に双極シェル(3)が配置されていて、前記球ヘッド(2)が双極シェル(3)内で回転し、該双極シェル(3)が前記ソケット(5)内で回転することを特徴とする、人工股関節。 - 双極シェル(3)と球ヘッド(2)とから成る滑り対偶の直径比が、1.05乃至5、有利には1.2乃至2であることを特徴とする、請求項1記載の人工股関節。
- 双極シェル(3)の滑り対偶直径が26mm乃至40mm、有利には32mmであって、球ヘッド(2)の滑り対偶直径が14mm乃至32mm、有利には22.2mmであることを特徴とする、請求項2記載の人工股関節。
- 人工股関節であって、セラミック製の球ヘッド(2)とセラミック製の双極シェル(3)とセラミック製のソケット(5)とを備えている形式のものにおいて、
これらのセラミック製の構成部材(2,3,5)の摩擦学的な条件が次のような特徴の組み合わせによって規定されている、つまり
a)セラミック製の構成部材(2,3,5)の硬さが1000HV(ビッカース)よりも大きい、
b)セラミック製の構成部材(2,3,5)の関節を成す面の表面光沢が0.1μmよりも小さい粗さを有している(Ra値<0.1μm)、
c)セラミック製の構成部材(2,3,5)の関節を成す面の接触角が、1°乃至8°(リンガー液内で測定して)である、
d)セラミック製の構成部材(2,3,5)の関節を成す面の滑り対偶の直径差が、1乃至200μm、有利には20μm乃至120μmである、
組み合わせによって規定されていることを特徴とする、請求項1から3までのいずれか1項記載の人工股関節。 - 双極シェル(3)に対する球ヘッド(2)の回転中心点と、ソケット(5)に対する双極シェル(3)の回転中心点とが、ずれ(d)を有していて、このずれ(d)が0.1mm乃至5mm有利には1.5mm乃至2.5mmである、請求項1から4までのいずれか1項記載の人工股関節。
- 双極シェル(3)は、種々異なる壁厚の横断面を有しており、双極シェル(3)の開口部の領域に最大壁厚が配置されていることを特徴とする、請求項1から5までのいずれか1項記載の人工股関節。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10304102A DE10304102A1 (de) | 2003-01-31 | 2003-01-31 | Hüftgelenkprothese |
Publications (2)
| Publication Number | Publication Date |
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| JP2004230175A true JP2004230175A (ja) | 2004-08-19 |
| JP4242301B2 JP4242301B2 (ja) | 2009-03-25 |
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| JP2004026023A Expired - Fee Related JP4242301B2 (ja) | 2003-01-31 | 2004-02-02 | 人工股関節 |
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|---|---|
| US (1) | US7393362B2 (ja) |
| EP (1) | EP1442727B1 (ja) |
| JP (1) | JP4242301B2 (ja) |
| DE (1) | DE10304102A1 (ja) |
| ES (1) | ES2610458T3 (ja) |
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-
2003
- 2003-01-31 DE DE10304102A patent/DE10304102A1/de not_active Ceased
-
2004
- 2004-01-29 ES ES04001933.3T patent/ES2610458T3/es not_active Expired - Lifetime
- 2004-01-29 EP EP04001933.3A patent/EP1442727B1/de not_active Revoked
- 2004-01-30 US US10/768,972 patent/US7393362B2/en not_active Expired - Fee Related
- 2004-02-02 JP JP2004026023A patent/JP4242301B2/ja not_active Expired - Fee Related
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| JP2008529613A (ja) * | 2005-02-11 | 2008-08-07 | ノヴァコヴスキ アンドレイ | 股関節内プロテーゼシステム |
| KR101387037B1 (ko) | 2006-08-04 | 2014-04-18 | 세람테크 게엠베하 | 소켓 변형을 감소시키기 위한 히프 소켓의 비대칭 설계 |
| KR101422462B1 (ko) | 2007-01-08 | 2014-07-28 | 토마스 그라델 | 무균 인터페이스를 포함하는 비구 |
| KR20140093958A (ko) | 2011-11-03 | 2014-07-29 | 바이오멧 유케이 헬스케어 리미티드 | 보철 부품 |
| JP2014532496A (ja) * | 2011-11-03 | 2014-12-08 | バイオメット ユーケイ ヘルスケア リミテッド | 人工器官構成要素 |
| KR101986864B1 (ko) * | 2011-11-03 | 2019-06-07 | 바이오멧 유케이 헬스케어 리미티드 | 보철 부품 |
| JP2019531139A (ja) * | 2016-10-17 | 2019-10-31 | スミス アンド ネフュー インコーポレイテッド | 横方向の二重可動性組立品 |
| JP7189134B2 (ja) | 2016-10-17 | 2022-12-13 | スミス アンド ネフュー インコーポレイテッド | 横方向の二重可動性組立品 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1442727B1 (de) | 2016-10-12 |
| ES2610458T3 (es) | 2017-04-27 |
| JP4242301B2 (ja) | 2009-03-25 |
| US20040225370A1 (en) | 2004-11-11 |
| US7393362B2 (en) | 2008-07-01 |
| EP1442727A2 (de) | 2004-08-04 |
| EP1442727A3 (de) | 2005-01-12 |
| DE10304102A1 (de) | 2004-08-12 |
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