JP2011516129A - 人工膝関節 - Google Patents
人工膝関節 Download PDFInfo
- Publication number
- JP2011516129A JP2011516129A JP2011502247A JP2011502247A JP2011516129A JP 2011516129 A JP2011516129 A JP 2011516129A JP 2011502247 A JP2011502247 A JP 2011502247A JP 2011502247 A JP2011502247 A JP 2011502247A JP 2011516129 A JP2011516129 A JP 2011516129A
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- JP
- Japan
- Prior art keywords
- meniscus
- bearing
- spherical
- tibia
- bearing surface
- 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
- 210000000629 knee joint Anatomy 0.000 title claims abstract description 18
- 230000005499 meniscus Effects 0.000 claims abstract description 92
- 210000002303 tibia Anatomy 0.000 claims abstract description 66
- 210000000689 upper leg Anatomy 0.000 claims abstract description 18
- 210000003127 knee Anatomy 0.000 claims abstract description 10
- 241001272720 Medialuna californiensis Species 0.000 claims abstract description 8
- 230000000284 resting effect Effects 0.000 claims abstract 2
- 238000005452 bending Methods 0.000 abstract description 9
- 238000006073 displacement reaction Methods 0.000 description 7
- 210000000988 bone and bone Anatomy 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 210000003041 ligament Anatomy 0.000 description 2
- 210000001699 lower leg Anatomy 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
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
- A61F2002/30113—Rounded shapes, e.g. with rounded corners circular
- A61F2002/30116—Rounded shapes, e.g. with rounded corners circular partial circles, i.e. circular segments
-
- 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
- A61F2002/30199—Three-dimensional shapes
- A61F2002/302—Three-dimensional shapes toroidal, e.g. rings
-
- 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
- A61F2002/30199—Three-dimensional shapes
- A61F2002/30242—Three-dimensional shapes spherical
- A61F2002/30245—Partial spheres
-
- 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
- A61F2002/30621—Features concerning the anatomical functioning or articulation of the prosthetic joint
- A61F2002/30649—Ball-and-socket joints
-
- 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
- A61F2230/0006—Rounded shapes, e.g. with rounded corners circular
-
- 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
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0065—Three-dimensional shapes toroidal, e.g. ring-shaped, doughnut-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
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0071—Three-dimensional shapes spherical
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)
Abstract
Description
Claims (5)
- 脛骨部(2)と、2つの顆表面(6、7)を有する大腿骨部(5)と、前記大腿骨部(5)と前記脛骨部(2)との間に配置された半月部(8)とを含む人工膝関節(1)であって、
前記半月部が、該半月部の上面に、前記大腿骨部(5)の前記顆表面(6、7)を受容して載置するための2つの支承シェル(9、10)を有し、且つ、該半月部の下面に、前記脛骨部(2)の上面にある脛骨支承面(4)に変位可能なやり方で寄り掛かる半月支承面(11)を有する人工膝関節(1)において、
前記半月支承面(11)と前記脛骨支承面(4)がそれぞれ、各自の中心に関して内側方向又は外側方向にずれた球状突起(15)又は球状凹部(16)を有すること、
前記2つの支承面(11、4)のうち一方の支承面上にある前記球状突起(15)が、他方の支承面(4、11)の前記球状凹部(16)に係合し、これにより、前記脛骨部(2)上で前記半月部(8)の玉軸受様の載置部を形成すること、及び、
前記2つの支承面(4、11)の外側部又は内側部(13)において、該2つの支承面が、互いに押し付けられる支持領域(17、21)を形成しており、該支持領域(17、21)が、背側‐腹側方向に湾曲し、前記球状突起及び前記球状凹部(15、16)の曲率半径よりも少なくとも2.5倍大きい曲率半径を有すること、
を特徴とする人工膝関節。 - 請求項1に記載の人工膝関節であって、前記2つの支承面(4、11)の前記支持領域(17、21)が、外側‐内側方向にも湾曲していることを特徴とする人工膝関節。
- 請求項2に記載の人工膝関節であって、前記2つの支承面(4、11)の前記支持領域(17、21)が、半径が前記球状突起及び前記球状凹部(15、16)の半径よりも少なくとも2.5〜3倍大きい球面の一部であり、前記球状突起及び前記球状凹部(15、16)の中心点が前記支承面(4、11)の中心に関して内側方向にずれており、前記球面の中心点が前記支承面(4、11)の中心に関して外側方向にずれていることを特徴とする人工膝関節。
- 請求項2に記載の人工膝関節であって、前記支持領域(17、21)が1つ以上の線に沿って延びており、該1つ以上の線が、2つの円筒表面(19、20)、つまり、中心軸が前記球状突起及び前記球状凹部(15、16)の中心点を通過し且つ脛骨の長手方向軸に対して略平行に延びる垂直な円筒表面(19)と、中心軸が背側‐腹側方向に延びる前記湾曲により規定される中心点を通過し且つ概ね内側‐外側方向に延びる水平な円筒表面(20)との交線として生じるものであることを特徴とする人工膝関節。
- 請求項1から4のいずれか1項に記載の人工膝関節であって、前記突起及び前記凹部(15、16)並びに前記支持領域(17、21)が、概ね、前記半月部(8)の共通の水平面まで延びていることを特徴とする人工膝関節。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008017394.0 | 2008-04-05 | ||
DE102008017394A DE102008017394B4 (de) | 2008-04-05 | 2008-04-05 | Knieendoprothese |
PCT/EP2009/000976 WO2009121450A1 (de) | 2008-04-05 | 2009-02-12 | Knieendoprothese |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011516129A true JP2011516129A (ja) | 2011-05-26 |
JP5275445B2 JP5275445B2 (ja) | 2013-08-28 |
Family
ID=40590021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011502247A Expired - Fee Related JP5275445B2 (ja) | 2008-04-05 | 2009-02-12 | 人工膝関節 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8246688B2 (ja) |
EP (1) | EP2259754B1 (ja) |
JP (1) | JP5275445B2 (ja) |
DE (1) | DE102008017394B4 (ja) |
ES (1) | ES2548449T3 (ja) |
WO (1) | WO2009121450A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8066776B2 (en) * | 2001-12-14 | 2011-11-29 | Btg International Limited | Tibial component |
JP5103871B2 (ja) | 2006-01-27 | 2012-12-19 | マックス株式会社 | ガスカートリッジ |
US8029574B2 (en) | 2006-11-07 | 2011-10-04 | Biomedflex Llc | Prosthetic knee joint |
US9005306B2 (en) | 2006-11-07 | 2015-04-14 | Biomedflex, Llc | Medical Implants With Compliant Wear-Resistant Surfaces |
US20110166671A1 (en) | 2006-11-07 | 2011-07-07 | Kellar Franz W | Prosthetic joint |
US8070823B2 (en) | 2006-11-07 | 2011-12-06 | Biomedflex Llc | Prosthetic ball-and-socket joint |
US8512413B2 (en) | 2006-11-07 | 2013-08-20 | Biomedflex, Llc | Prosthetic knee joint |
US9005307B2 (en) | 2006-11-07 | 2015-04-14 | Biomedflex, Llc | Prosthetic ball-and-socket joint |
US8308812B2 (en) | 2006-11-07 | 2012-11-13 | Biomedflex, Llc | Prosthetic joint assembly and joint member therefor |
ES2443827T3 (es) | 2010-10-05 | 2014-02-20 | Aesculap Ag | Endoprótesis de articulación de rodilla |
DE102015010221B4 (de) * | 2014-09-05 | 2017-11-16 | Carl Haasper | Kniegelenk-Endoprothese |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH064083B2 (ja) * | 1989-03-18 | 1994-01-19 | クバイン―メッセンブルク,ディートマール | 人工関節 |
US5358530A (en) * | 1993-03-29 | 1994-10-25 | Zimmer, Inc. | Mobile bearing knee |
US6190415B1 (en) * | 1997-04-04 | 2001-02-20 | T. Derek V. Cooke | Deep flexion knee prosthesis |
JP2007050103A (ja) * | 2005-08-18 | 2007-03-01 | Nakashima Propeller Co Ltd | 人工膝関節 |
JP2007531550A (ja) * | 2003-07-17 | 2007-11-08 | エグザクテック,インコーポレイティド | 可動軸受人工膝関節 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3908958C2 (de) * | 1989-03-18 | 1996-09-12 | Kubein Meesenburg Dietmar | Künstliches Gelenk |
DE4009360A1 (de) * | 1990-02-16 | 1991-08-22 | Friedrichsfeld Gmbh | Kniegelenk-endoprothese |
DE4202717C1 (ja) | 1991-12-11 | 1993-06-17 | Dietmar Prof. Dr. 3350 Kreiensen De Kubein-Meesenburg | |
GB9413607D0 (en) * | 1994-07-06 | 1994-08-24 | Goodfellow John W | Endoprosthetic knee joint device |
US5964808A (en) | 1996-07-11 | 1999-10-12 | Wright Medical Technology, Inc. | Knee prosthesis |
DE10012060C2 (de) * | 2000-03-14 | 2002-10-31 | Saint Paul Bernd | Endoprothese für ein Kniegelenk |
WO2003028586A2 (de) * | 2001-09-28 | 2003-04-10 | Willi Horber | Endoprothese für ein kniegelenk |
US7033397B2 (en) | 2003-02-03 | 2006-04-25 | Zimmer Technology, Inc. | Mobile bearing unicondylar tibial knee prosthesis |
US7708782B2 (en) * | 2003-07-17 | 2010-05-04 | Exactech, Inc. | Mobile bearing knee prosthesis |
US20080033567A1 (en) * | 2006-08-03 | 2008-02-07 | Stchur Robert P | Knee joint prosthesis used in total knee arthroplasty |
-
2008
- 2008-04-05 DE DE102008017394A patent/DE102008017394B4/de not_active Expired - Fee Related
-
2009
- 2009-02-12 JP JP2011502247A patent/JP5275445B2/ja not_active Expired - Fee Related
- 2009-02-12 EP EP09728573.8A patent/EP2259754B1/de active Active
- 2009-02-12 WO PCT/EP2009/000976 patent/WO2009121450A1/de active Application Filing
- 2009-02-12 ES ES09728573.8T patent/ES2548449T3/es active Active
-
2010
- 2010-09-07 US US12/807,573 patent/US8246688B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH064083B2 (ja) * | 1989-03-18 | 1994-01-19 | クバイン―メッセンブルク,ディートマール | 人工関節 |
US5358530A (en) * | 1993-03-29 | 1994-10-25 | Zimmer, Inc. | Mobile bearing knee |
US6190415B1 (en) * | 1997-04-04 | 2001-02-20 | T. Derek V. Cooke | Deep flexion knee prosthesis |
JP2007531550A (ja) * | 2003-07-17 | 2007-11-08 | エグザクテック,インコーポレイティド | 可動軸受人工膝関節 |
JP2007050103A (ja) * | 2005-08-18 | 2007-03-01 | Nakashima Propeller Co Ltd | 人工膝関節 |
Also Published As
Publication number | Publication date |
---|---|
DE102008017394B4 (de) | 2010-05-06 |
EP2259754A1 (de) | 2010-12-15 |
WO2009121450A1 (de) | 2009-10-08 |
DE102008017394A1 (de) | 2009-10-15 |
US8246688B2 (en) | 2012-08-21 |
JP5275445B2 (ja) | 2013-08-28 |
EP2259754B1 (de) | 2015-08-12 |
ES2548449T3 (es) | 2015-10-16 |
US20110071644A1 (en) | 2011-03-24 |
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