JPH07501729A - 人工関節 - Google Patents
人工関節Info
- Publication number
- JPH07501729A JPH07501729A JP5510589A JP51058993A JPH07501729A JP H07501729 A JPH07501729 A JP H07501729A JP 5510589 A JP5510589 A JP 5510589A JP 51058993 A JP51058993 A JP 51058993A JP H07501729 A JPH07501729 A JP H07501729A
- Authority
- JP
- Japan
- Prior art keywords
- joint
- rotation
- center
- convex
- plane
- 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.)
- Granted
Links
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
- A61F2/38—Joints for elbows or knees
- A61F2/3868—Joints for elbows or knees with sliding tibial bearing
-
- 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
- A61F2002/30108—Shapes
- A61F2002/3011—Cross-sections or two-dimensional shapes
- A61F2002/30112—Rounded shapes, e.g. with rounded corners
- A61F2002/3013—Rounded shapes, e.g. with rounded corners figure-"8"- or hourglass-shaped
-
- 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
- A61F2002/30108—Shapes
- A61F2002/3011—Cross-sections or two-dimensional shapes
- A61F2002/30112—Rounded shapes, e.g. with rounded corners
- A61F2002/30131—Rounded shapes, e.g. with rounded corners horseshoe- or crescent- or C-shaped or U-shaped
-
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
- A61F2230/001—Figure-8-shaped, e.g. hourglass-shaped
-
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
- A61F2230/0013—Horseshoe-shaped, e.g. crescent-shaped, C-shaped, U-shaped
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Physical Education & Sports Medicine (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)
- Component Parts Of Construction Machinery (AREA)
- Sealing Devices (AREA)
Abstract
Description
Claims (13)
- 1.少なくとも2つの互いに動く関節部材(1,2;8,9)である関節頭及び 関節窩から構成される人工関節、特に人間の膝関節のための体内人工関節であっ て、互いに垂直な面である長手平面と横断平面とにおいて異なる円弧状断面輪郭 を有する作用面を有するトロイド状関節面(4,5;11,12)を備え、作用 面の曲率関係が各平面において凸面対凸面、凸面対凹面又は凹面対凹面のいずれ かであり、作用面の関節幾何形状が各平面において2つの関節軸心を有する関節 鎖即ち二節関節鎖によって決定され、これらの関節軸心はそれぞれの断面輪郭の 半径(R1,R2,R11,R22;R8,R9,R81,R91)を有する作 用面の回転中心(M1,M2,M11,M22;M8,M9,M81,M91) を通っている人工関節。
- 2.圧力分散体(3、10)が関節面(4,5;11,12)の間に備えられ、 前記関節面に当接するその滑り面(6,7;13,14)が前記関節面に適合す るトロイド形状を有し、前記圧力分散体(3,10)は、円弧状断面輪郭を有す る作用面の回転中心を結ぶ線上において最小厚さを有していることを特徴とする 請求項1記載の人工関節。
- 3.長手平面及び横断平面において前記円弧状断面輪郭を有する関節部材(1, 2)の作用面が凸面対凹面に形成されており、その回転中心(M1,M2)が凸 面円状断面輪郭を有する関節頭である関節部材(1)内に位置し、回転中心の関 節軸軌跡が圧力分散体無しでは半径RM=R2−R1又は距離RM1=R22− R11を、圧力分散体有りでは距離RM=R2−R1−D又はRM1=R22− R11−Dを有し、ここでR2又はR22は、R1又はR11と圧力分散体の最 小厚さDとの和に比べて大きいか等しく、圧力分散体無しの場合はD=0であり 、横断平面の作用面の回転中心(M1,M2)が回転中心(M1,M2)を通る 回転軸心(X,Y)と一致しないことを特徴とする請求項1又は2記載の人工関 節。
- 4.回転中心M11とM22が重なっており、又は互いに離間して回転中心M2 2が上腿部の方向、もしくは側方内側(正中面)や外側(側面)の方向、もしく はその両方の方向に回転中心M11からずれて位置していることを特徴とする請 求項3記載の人工関節。
- 5.前記凸面状作用面が第1関節頭(1)に形成され、前記凹面状作用面が第1 関節窩(2)に形成されていることを特徴とする請求項3又は4記載の人工関節 。
- 6.一方の平面つまり長手平面において、半径(R8,R9)を有する関節部材 (8,9)の作用面の円弧状断面輪郭が凸面対凸面に形成され、その回転中心( M8,M9)がそれぞれの関節部材(8,9)内に位置し、その回転中心(M8 ,M9)の関節軸軌跡が半径RL=R8+R9、圧力分散体有りではRL=R8 +R9+Dを有し、他方の平面つまり横断平面において、半径(R81,R91 )を有する円弧状断面輪郭の曲率関係が凸面対凹面に形成され、その回転中心( M81,M91)が作用面の凸面状断面輪郭を有する関節部材(8)内に位置し 、その回転中心距離がR11=R91−R81、圧力分散体有りではRL1=R 91R81−Dであり、ここでR91はR81と圧力分散体の最小厚さDとの和 R81+Dに比べて等しいか大きく、圧力分散体が無い場合はD=0であり、回 転中心(M81,M91)は回転中心(M8,M9)を通る回転軸心(X1,Y 1)に一致しないことを特徴とする請求項1又は2記載の人工関節。
- 7.回転中心M81とM91が重なっており、又は互いに離間して回転中心M9 1が上腿部の方向もしくは側方内側(正中面)や外側(側面)の方向、もしくは その両方の方向に回転中心M81からずれて位置していることを特徴とする請求 項6記載の人工関節。
- 8.第2関節頭(8)の作用面が前記両平面において凸状に形成され、第2関節 窩(9)の作用面が長手平面では凸状に、横断平面では凹状に形成されているこ とを特徴とする請求項6又は7記載の人工関節。
- 9.第1関節頭(8)と第2関節窩(9)と場合によっては圧力分散体(3)と からなる第1関節と、第2関節頭(8)と第2関節窩(9)と場合によっては圧 力分散体(10)とからなる第2関節とが互いに平行に配置され、両関節のそれ ぞれの回転軸心(X,Y;X1,Y1)が互いに平行で、且つ、第2関節が第1 関節に対して背後に位置し、関節頭(1,8)が互いに、そして関節窩(2,9 )が互いに固定連結されていることを特徴とする請求項5及び8記載の人工関節 。
- 10.前記圧力分散体(3,10)の両滑り面(5,6;13,14)が同じ大 きさであることを特徴とする請求項1から9のいずれか1項記載の人工関節。
- 11.前記圧力分散体の最小厚さ(D)が零であることを特徴とする請求項1か ら10のいずれか1項記載の人工関節。
- 12.関節部材(1,2)からなる第1関節が正中面に配置され、関節部材(8 ,9)からなる関節が側面に配置され、側面関節(1,2)の関節中心点(M1 ,M2)が大腿部の方向へ量△xだけずれており、好ましくは、大腿部のずれ量 △xは、M■からM1の連結線Fが水平線に対して0〜45°の範囲内の角度α (0<α<45°)となるように選択されていることを特徴とする請求項9から 10のいずれか1項記載の人工関節。
- 13.関節部材(8,9及び1,2)からなる関節の連結リンク(RL及びRM )は、その連結リンクを通る平面が空間的に互いに傾斜するように、つまり互い に傾斜した軸線を有するように配置されていることを特徴とする請求項9から1 1のいずれか1項記載の人工関節。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4140837.3 | 1991-12-11 | ||
DE4140837 | 1991-12-11 | ||
DE4202717.9 | 1992-01-31 | ||
DE4202717A DE4202717C1 (ja) | 1991-12-11 | 1992-01-31 | |
PCT/EP1992/002832 WO1993011720A1 (de) | 1991-12-11 | 1992-12-08 | Künstliches gelenk |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07501729A true JPH07501729A (ja) | 1995-02-23 |
JP3475274B2 JP3475274B2 (ja) | 2003-12-08 |
Family
ID=25909985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51058993A Expired - Fee Related JP3475274B2 (ja) | 1991-12-11 | 1992-12-08 | 人工関節 |
Country Status (12)
Country | Link |
---|---|
US (2) | US5556432A (ja) |
EP (3) | EP0734700A3 (ja) |
JP (1) | JP3475274B2 (ja) |
AT (2) | ATE196838T1 (ja) |
AU (1) | AU3085992A (ja) |
BR (1) | BR9206921A (ja) |
CA (1) | CA2124447A1 (ja) |
DE (3) | DE4202717C1 (ja) |
DK (1) | DK0734701T3 (ja) |
ES (2) | ES2152453T3 (ja) |
PT (1) | PT734701E (ja) |
WO (1) | WO1993011720A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005532089A (ja) * | 2002-05-08 | 2005-10-27 | マティス メディツィーナルテヒニク アーゲー | 自動整合式膝人工装具 |
JP2007530164A (ja) * | 2004-03-23 | 2007-11-01 | ウォーソー・オーソペディック・インコーポレーテッド | 人工関節器官 |
Families Citing this family (104)
Publication number | Priority date | Publication date | Assignee | Title |
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DE4202717C1 (ja) * | 1991-12-11 | 1993-06-17 | Dietmar Prof. Dr. 3350 Kreiensen De Kubein-Meesenburg | |
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DE4310968C2 (de) * | 1993-04-03 | 1995-08-10 | Kubein Meesenburg Dietmar | Künstliches Gelenk als Endoprothese für das menschliche Kniescheiben-Gelenk |
FR2714819B1 (fr) * | 1994-01-10 | 1996-03-08 | Billy Jean Louis | Prothèse de genou. |
US6074425A (en) * | 1994-01-14 | 2000-06-13 | Biomedical Engineering Trust I | Fixed bearing joint endoprosthesis |
DE19521597A1 (de) * | 1995-06-14 | 1996-12-19 | Kubein Meesenburg Dietmar | Künstliches Gelenk, insbesondere Endoprothese zum Ersatz natürlicher Gelenke |
FR2744357B1 (fr) * | 1996-02-02 | 1998-09-04 | Voydeville Gilles | Prothese de hanche non luxable et peu usable |
DE19646891A1 (de) | 1996-11-13 | 1998-05-14 | Kubein Meesenburg Dietmar | Künstliches Gelenk, insbesondere Endoprothese zum Ersatz natürlicher Gelenke |
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- 1992-01-31 DE DE4202717A patent/DE4202717C1/de not_active Expired - Lifetime
- 1992-12-08 AT AT96108125T patent/ATE196838T1/de not_active IP Right Cessation
- 1992-12-08 EP EP96108124A patent/EP0734700A3/fr not_active Withdrawn
- 1992-12-08 DE DE59209871T patent/DE59209871D1/de not_active Expired - Lifetime
- 1992-12-08 PT PT96108125T patent/PT734701E/pt unknown
- 1992-12-08 JP JP51058993A patent/JP3475274B2/ja not_active Expired - Fee Related
- 1992-12-08 ES ES96108125T patent/ES2152453T3/es not_active Expired - Lifetime
- 1992-12-08 WO PCT/EP1992/002832 patent/WO1993011720A1/de active IP Right Grant
- 1992-12-08 EP EP92924687A patent/EP0617595B1/de not_active Expired - Lifetime
- 1992-12-08 DK DK96108125T patent/DK0734701T3/da active
- 1992-12-08 EP EP96108125A patent/EP0734701B1/de not_active Expired - Lifetime
- 1992-12-08 AT AT92924687T patent/ATE149818T1/de not_active IP Right Cessation
- 1992-12-08 AU AU30859/92A patent/AU3085992A/en not_active Abandoned
- 1992-12-08 DE DE59208204T patent/DE59208204D1/de not_active Expired - Lifetime
- 1992-12-08 CA CA002124447A patent/CA2124447A1/en not_active Abandoned
- 1992-12-08 BR BR9206921A patent/BR9206921A/pt not_active Application Discontinuation
- 1992-12-08 ES ES92924687T patent/ES2099291T3/es not_active Expired - Lifetime
-
1993
- 1993-02-09 US US08/015,206 patent/US5556432A/en not_active Expired - Lifetime
-
1996
- 1996-08-30 US US08/706,167 patent/US5879390A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005532089A (ja) * | 2002-05-08 | 2005-10-27 | マティス メディツィーナルテヒニク アーゲー | 自動整合式膝人工装具 |
JP2011050762A (ja) * | 2002-05-08 | 2011-03-17 | Mathys Medizinaltechnik Ag | 自動整合式膝人工装具 |
JP2007530164A (ja) * | 2004-03-23 | 2007-11-01 | ウォーソー・オーソペディック・インコーポレーテッド | 人工関節器官 |
Also Published As
Publication number | Publication date |
---|---|
ATE149818T1 (de) | 1997-03-15 |
CA2124447A1 (en) | 1993-06-24 |
EP0617595A1 (de) | 1994-10-05 |
DE4202717C1 (ja) | 1993-06-17 |
DK0734701T3 (da) | 2001-02-05 |
PT734701E (pt) | 2001-03-30 |
JP3475274B2 (ja) | 2003-12-08 |
EP0734701A3 (fr) | 1996-11-13 |
ES2099291T3 (es) | 1997-05-16 |
DE59208204D1 (de) | 1997-04-17 |
EP0734700A2 (de) | 1996-10-02 |
EP0734701A2 (de) | 1996-10-02 |
ATE196838T1 (de) | 2000-10-15 |
WO1993011720A1 (de) | 1993-06-24 |
ES2152453T3 (es) | 2001-02-01 |
US5879390A (en) | 1999-03-09 |
DE59209871D1 (de) | 2000-11-16 |
AU3085992A (en) | 1993-07-19 |
US5556432A (en) | 1996-09-17 |
BR9206921A (pt) | 1995-11-21 |
EP0734701B1 (de) | 2000-10-11 |
EP0734700A3 (fr) | 1996-11-13 |
EP0617595B1 (de) | 1997-03-12 |
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