JP2008054809A - 人工関節における摺動接触面の構造 - Google Patents
人工関節における摺動接触面の構造 Download PDFInfo
- Publication number
- JP2008054809A JP2008054809A JP2006233549A JP2006233549A JP2008054809A JP 2008054809 A JP2008054809 A JP 2008054809A JP 2006233549 A JP2006233549 A JP 2006233549A JP 2006233549 A JP2006233549 A JP 2006233549A JP 2008054809 A JP2008054809 A JP 2008054809A
- Authority
- JP
- Japan
- Prior art keywords
- artificial joint
- bone head
- contact surface
- spherical body
- artificial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
-
- A—HUMAN NECESSITIES
- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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)
Abstract
【解決手段】 人工関節において、骨頭部(1)の球面体部(2)の表面に平面部(A)を形成して無凹部(3)とすることを特徴し、また、骨頭部(1)の球面体部(2)に、一又は複数の平面部(A)を形成し、該平面部(A)の周囲と骨頭部(1)との接線部分(X)を、アール又は面、または、それらに近い状態に形成することを特徴し、さらに、骨頭部(1)の球面体部(2)の表面に、一または複数条の凹溝(B)を形成し、該凹溝(B)と骨頭部との接線部分(X)をアール又は面、または、それらに近い状態に形成することを特徴とする。
【選択図】 図1
Description
2 球面体部
3 無凹部
A 平面部
B 凹溝
X 接線部分
Claims (3)
- 人工関節において、骨頭部の球面体部に平面部を形成して無凹部とすることを特徴とする人工関節における摺動接触面の構造。
- 人工関節において、骨頭部の球面体部に一又は複数の平面部を形成し、該平面部の周囲と骨頭部の球面体部との接線部分を、アール又は面、または、それらに近い状態に形成することを特徴とする人工関節における摺動接触面の構造。
- 人工関節において、骨頭部の球面体部に、一または複数条の凹溝を形成し、該凹溝と骨頭部との接線部分をアール又は面、または、それらに近い状態に形成することを特徴とする人工関節における摺動接触面の構造。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006233549A JP2008054809A (ja) | 2006-08-30 | 2006-08-30 | 人工関節における摺動接触面の構造 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006233549A JP2008054809A (ja) | 2006-08-30 | 2006-08-30 | 人工関節における摺動接触面の構造 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2008054809A true JP2008054809A (ja) | 2008-03-13 |
Family
ID=39238267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006233549A Pending JP2008054809A (ja) | 2006-08-30 | 2006-08-30 | 人工関節における摺動接触面の構造 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2008054809A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011087712A (ja) * | 2009-10-21 | 2011-05-06 | Univ Of Tokyo | 人工股関節用ライナー及びそれを用いた人工股関節 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55168719U (ja) * | 1979-05-22 | 1980-12-04 | ||
JPS56138474A (en) * | 1980-03-31 | 1981-10-29 | Taiho Kogyo Co Ltd | Shoe for swash plate type compressor |
JPS5776281A (en) * | 1980-10-29 | 1982-05-13 | Taiho Kogyo Co Ltd | Shoe for use in swash plate type compressor |
JPH0642651A (ja) * | 1993-06-28 | 1994-02-18 | Hitachi Ltd | 軸受装置、その軸受装置を用いたモータおよびレーザビームプリンタ |
JPH10504212A (ja) * | 1994-08-10 | 1998-04-28 | クバイン−メーゼンブルク,ディートマール | 人工関節、特に人工のヒト用股関節 |
JP2003004043A (ja) * | 1993-03-05 | 2003-01-08 | Nsk Ltd | 耐摩耗性摺動部材 |
WO2006060322A1 (en) * | 2004-12-01 | 2006-06-08 | Mayo Foundation For Medical Research And Education | Radial-capitellar implant |
-
2006
- 2006-08-30 JP JP2006233549A patent/JP2008054809A/ja active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55168719U (ja) * | 1979-05-22 | 1980-12-04 | ||
JPS56138474A (en) * | 1980-03-31 | 1981-10-29 | Taiho Kogyo Co Ltd | Shoe for swash plate type compressor |
JPS5776281A (en) * | 1980-10-29 | 1982-05-13 | Taiho Kogyo Co Ltd | Shoe for use in swash plate type compressor |
JP2003004043A (ja) * | 1993-03-05 | 2003-01-08 | Nsk Ltd | 耐摩耗性摺動部材 |
JPH0642651A (ja) * | 1993-06-28 | 1994-02-18 | Hitachi Ltd | 軸受装置、その軸受装置を用いたモータおよびレーザビームプリンタ |
JPH10504212A (ja) * | 1994-08-10 | 1998-04-28 | クバイン−メーゼンブルク,ディートマール | 人工関節、特に人工のヒト用股関節 |
WO2006060322A1 (en) * | 2004-12-01 | 2006-06-08 | Mayo Foundation For Medical Research And Education | Radial-capitellar implant |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011087712A (ja) * | 2009-10-21 | 2011-05-06 | Univ Of Tokyo | 人工股関節用ライナー及びそれを用いた人工股関節 |
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