Implant articular surface wear reduction system

An implant articular surface wear reduction system improves orthopedic prosthetic joint longevity by reducing frictional abrasive wear. The system includes a polymeric implant component and a rigid implant component. A hard wear layer is attached to the polymeric implant. The hard wear layer represe...

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Bibliographische Detailangaben
Hauptverfasser:	POPOOLA, OLUDELE, SCRAFTON, JOEL
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	An implant articular surface wear reduction system improves orthopedic prosthetic joint longevity by reducing frictional abrasive wear. The system includes a polymeric implant component and a rigid implant component. A hard wear layer is attached to the polymeric implant. The hard wear layer represents one opposing articular surface of a joint. The rigid implant component has a working surface and may represent another opposing articular surface in the joint. In one embodiment, the rigid implant component and the hard wear layer are ceramic. In another embodiment, a non-metallic wear layer is attached to the working surface. The non-metallic wear layer represents another opposing articular surface of the joint. In one embodiment, the polymeric implant component is a tibial implant and the rigid implant component is a femoral implant and the non-metallic wear layer is a polymer, such as polyethylene, self-reinforced polyphenylene, or PEEK.