ELEMENTO TIBIAL PARA UNA PROTESIS DE SUSTITUCION DE LA RODILLA

• Main Authors: ASHBY, ALAN MILES, LAWES, PETER KINGSMEDE
• Format: Patent
• Language: Spanish
• Published: 16.11.1996
• Edition: 6
• Subjects: BANDAGES, DRESSINGS OR ABSORBENT PADS; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; DIAGNOSIS; FILTERS IMPLANTABLE INTO BLOOD VESSELS; FIRST-AID KITS; FOMENTATION; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; PROSTHESES; SURGERY; TREATMENT OR PROTECTION OF EYES OR EARS

UN ELEMENTO TIBIAL PARA UNA PROTESIS DE SUSTITUCION DE LA RODILLA QUE CONSTA DE UNA BANDEJA TIBIAL (1) QUE TIENE UNO O MAS COMPONENTES DE SOPORTE (30) Y UN VASTAGO QUE SE PUEDE ACOPLAR A DICHA BANDEJA TIBIAL MEDIANTE UNA ESPIGA AHUSADA O MACHO (55) CUYA ESTRUCTURA SE CARACTERIZA PORQUE EN LA PORCION INFERIOR DE DICHA BANDEJA HAY UN ELEMENTO DE ENGANCHE CONFORMADO (3) PENSADO PARA QUE QUEDE ENGANCHADO AL AREA SUBCONDILAR PROXIMA DE LA TIBIA DEL USUARIO Y HAY ELEMENTO (5, 61) PARA COLOCAR DICHO VASTAGO (62) EN UNA POSICION ANGULAR PREDETERMINADA EN RELACION A DICHO ELEMENTO DE ENGANCHE CONFORMADO (3) EN LA BANDEJA. A tibial element for a replacement knee prosthesis comprising a tibial tray (1) provided with one or more bearing components (30), and a stem which can be attached to said tray by a tapered spigot and socket (55) construction characterised in that the lower portion of said tray has a shaped engagement feature (3) intended for engagement with the proximal subcondylar area of the tibia of the user, and means (5, 61) are included for locating said stem (62) in a predetermined angular position in relation to said shaped engagement feature (3) on the tray.