HIP ENDOPROSTHESIS

Abstract

Abstract Translated from French LA PRESENTE INVENTION SE REFERE A UNE ENDOPROTHESE DE LA HANCHE, CARACTERISEE PAR LE FAIT QUE LA PARTIE SAILLANTE DE LA HAMPE 2 A LA CONFORMATION D'UNE COURTE TIGE OU QUEUE CYLINDRIQUE 4 PRESENTANT AU MOINS UNE REDUCTION DE DIAMETRE 5 ET QU'A L'EMPLACEMENT DE L'EXTERMITE 6 DE LA QUEUE ET DE LADITE REDUCTION 5 SONT MENAGEES DES CRETES OU ARETES ANNULAIRES 7 ET 8 S'ETENDANT AXIALEMENT A PARTIR DE CELLES-CI, LADITE TETE SPHERIQUE COMPORTANT UNE CAVITE 12 DEFINIE PAR UNE PAROI EN FORME DE TRONC DE CONE, LA FIXATION ENTRE LA TETE ET LA QUEUE AYANT LIEU PAR INSERTION DE LADITE QUEUE DANS LADITE TETE ET FORCAGE DESDITES ARETES CONTRE LA PAROI DE LADITE CAVITE. THE PRESENT INVENTION REFERS TO AN ENDOPROTHESIS OF THE HIP, CHARACTERIZED BY THE FACT THAT THE PROJECTING PART OF THE HAMP 2 IN THE CONFORMATION OF A SHORT SHAFT OR CYLINDRICAL TAIL 4 SHOWING AT LEAST A REDUCTION OF DIAMETER 5 AND THAT THE LOCATION OF EXTERMITY 6 OF THE TAIL AND OF THE SAID REDUCTION 5 ARE PROVIDED WITH RIDGES OR ANNULAR ARETES 7 AND 8 EXTENDING AXIALLY FROM THEM, THE SAID SPHERICAL HEAD WITH A CAVITY 12 DEFINED BY A WALL IN THE FORM OF A TRUNK OF CONE, THE FIXATION BETWEEN THE HEAD AND THE TAIL TAKING PLACE BY INSERTION OF THE SAID TAIL IN THE SAID HEAD AND FORCING THE SAID ARETES AGAINST THE WALL OF THE SAID CAVITY.

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