DK2149354T3 - Ortopædisk protese - Google Patents
Ortopædisk protese Download PDFInfo
- Publication number
- DK2149354T3 DK2149354T3 DK09164168T DK09164168T DK2149354T3 DK 2149354 T3 DK2149354 T3 DK 2149354T3 DK 09164168 T DK09164168 T DK 09164168T DK 09164168 T DK09164168 T DK 09164168T DK 2149354 T3 DK2149354 T3 DK 2149354T3
- Authority
- DK
- Denmark
- Prior art keywords
- cam
- cam surface
- curvature
- posterior
- concave
- Prior art date
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
- A61F2/3886—Joints for elbows or knees for stabilising knees against anterior or lateral dislocations
-
- 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
- A61F2/3836—Special connection between upper and lower leg, e.g. constrained
-
- 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
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)
Claims (10)
1. En ortopædisk knæledsprotese omfattende: et tibialt leje (12) konfigureret til at blive forbundet med et tibialplateau (15), idet det tibiale leje har en platform (16) og en dorn (30), som strækker sig op fra platformen, hvilken dorn har en posterior side (34), som omfatter en konkav kamflade (64) og en konveks kamflade (62) placeret superiort i forhold til den konkave kamflade; og en femoral komponent (14) konfigureret til at hængsle med det tibiale leje, idet den femorale komponent omfatter (i) et par i indbyrdes afstand placerede kondyler (44, 46), som definerer en intrakondylar not imellem disse og (ii) en posterior kam (50) placeret i den intrakondylare not (42), idet den posteriore kam omfatter en konkav kamflade (56) og en konveks kamflade (58), hvor den posteriore kam ikke kontakter dornen når protesen ikke er bøjet, kendetegnet ved, at (a) den konkave kamflade på den posteriore kam kontakter den konvekse kamflade på dornen under et første område for udbøjning startende ved en bøjningsvinkel fra omkring 50°, og (b) kontakt imellem den posteriore kam og kamfladen på dornen overgår til kontakt imellem den konvekse kamflade og den posteriore kam og den konkave kamflade på dornen under et andet område for udbøjning, som starter ved en udbøjningsvinkel, som er større end den udbøjningsvinkel, som markerer afslutningen af det første område for udbøjning, og som afsluttes ved en udbøjningsvinkel på ikke mere end omkring 150°.
2. Ortopædisk knæledsprotese ifølge krav 1, hvor den konvekse kamflade (62) på dornen (30) i tibiallejet (12) er konvekst krummet i det sagittale plan og den konkave kamflade (64) på dornen er konkavt krummet i det sagittale plan.
3. Ortopædisk knæledsprotese ifølge krav 2, hvor den konkave kamflade (64) og den konvekse kamflade (62) på dornen (30) er konvekst krummede i det transversale plan.
4. Ortopædisk knæledsprotese ifølge krav 3, hvor krumningsradius i det transversale plan for den konkave kamflade (64) på dornen (30) er i det væsentlige lig med krumningsradius i det transversale plan for den konvekse kamflade (62) på dornen.
5. Ortopædisk knæledsprotese ifølge krav 1, hvor den konkave kamflade (56) på den posteriore kam (50) på den femorale komponent (14) er konkavt krummet i det sagittale plan og den konvekse kamflade (58) på den posteriore kam af den femorale komponent er konvekst krummet i det sagittale plan.
6. Ortopædisk knæledsprotese ifølge krav 5, hvor den konkave kamflade (56) og den konvekse kamflade (58) på den posteriore kam (50) på den femorale komponent (14) er konkavt krummede i den mediale-laterale retning.
7. Ortopædisk knæledsprotese ifølge krav 1, hvor dornen (30) i det tibiale leje (12) og den posteriore kam (50) på den femorale komponent (14) hver især har et i det væsentlige "S"-formet tværsnitsprofil.
8. Ortopædisk knæledsprotese ifølge krav 1, hvor det første område af bøjning er omkring 50°'s bøjning til omkring 80°'s bøjning og det andet område af bøjning er omkring 80°'s bøjning til omkring 150°'s bøjning.
9. Ortopædisk knæledsprotese ifølge krav 1, hvor den konkave kamflade (64) på dornen (30) i det tibiale leje (12) er defineret ved en første krumningsradius og den konvekse kamflade (62) på dornen er defineret ved en anden krumningsradius, idet den første krumningsradius afviger fra den anden krumningsradius.
10. Ortopædisk knæledsprotese ifølge krav 9, hvor den konkave kamflade (56) på den posteriore kam (50) på den femorale komponent (14) er defineret ved en første krumningsradius og den konvekse kamflade (58) på den posteriore kam på den femorale komponent er defineret ved en anden krumningsradius, idet den første krumningsradius afviger fra den anden krumningsradius.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/165,582 US8206451B2 (en) | 2008-06-30 | 2008-06-30 | Posterior stabilized orthopaedic prosthesis |
Publications (1)
Publication Number | Publication Date |
---|---|
DK2149354T3 true DK2149354T3 (da) | 2015-03-09 |
Family
ID=41350712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK09164168T DK2149354T3 (da) | 2008-06-30 | 2009-06-30 | Ortopædisk protese |
Country Status (7)
Country | Link |
---|---|
US (3) | US8206451B2 (da) |
EP (2) | EP2878283B8 (da) |
JP (1) | JP5535533B2 (da) |
CN (1) | CN101683289B (da) |
AU (1) | AU2009202627B2 (da) |
DK (1) | DK2149354T3 (da) |
ES (2) | ES2614051T3 (da) |
Families Citing this family (110)
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EP2149354B1 (en) | 2015-01-14 |
ES2534653T3 (es) | 2015-04-27 |
EP2149354A1 (en) | 2010-02-03 |
AU2009202627B2 (en) | 2015-07-02 |
CN101683289B (zh) | 2014-08-13 |
EP2878283B8 (en) | 2016-12-28 |
JP2010012256A (ja) | 2010-01-21 |
JP5535533B2 (ja) | 2014-07-02 |
ES2614051T3 (es) | 2017-05-29 |
US9204968B2 (en) | 2015-12-08 |
US20140228965A1 (en) | 2014-08-14 |
EP2878283B1 (en) | 2016-11-09 |
US8206451B2 (en) | 2012-06-26 |
US20090326666A1 (en) | 2009-12-31 |
US20120259417A1 (en) | 2012-10-11 |
US8734522B2 (en) | 2014-05-27 |
AU2009202627A1 (en) | 2010-01-14 |
EP2878283A1 (en) | 2015-06-03 |
CN101683289A (zh) | 2010-03-31 |
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