Reverse Ankle Replacement System

The presented invention is a system for performing reverse ankle replacement in the setting of ankle joint osteoarthritis, and other degenerative conditions of the ankle joint including avascular necrosis. The presented tibial and talar components can be implanted in a cement-less or cemented fashio...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Toro Arbelaez Jose B, Klinger Craig E
Format:	Patent
Sprache:	eng
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:	The presented invention is a system for performing reverse ankle replacement in the setting of ankle joint osteoarthritis, and other degenerative conditions of the ankle joint including avascular necrosis. The presented tibial and talar components can be implanted in a cement-less or cemented fashion. The prosthesis of the presented invention consists of (1) a tibial component which includes a planar undersurface with porous texture applied to its upper, non-bearing surfaces, (2) a talar component which includes a bearing surface which is concave, (3) a polyethylene component which includes a bearing undersurface which is convex, and (4) multiple talar component embodiments with or without flanges and/or screw holes for accommodation of bone screws for additional fixation and for permitting sub-talar joint fusion.