Acetabular prosthesis to be fixed without cement
AssigneesCentre National de la Recherche Scientifique (CNRS), Universite Technologie De Compiegne—UTC
InventorsMarie-Christine Ho Ba Tho, François Roux, Maximilien Vanleene
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Abstract
The invention relates to an acetabular prosthesis comprising an, in general, hemispherically shaped insert (1) having a crown (5) and an apex (4), this insert being provided, on its outer surface (2), with at least one fin. The invention is characterized in that the fin (6) has a face (9) starting from the crown (5) of the insert (1) and extending toward the apex (4) of the insert while forming a crest (10). This crest (10) has an, in particular, curved shape.
Claims16
An acetabular prosthesis consisting of an insert with a general hemispherical shape, having a crown and an apex, the insert being provided on its outer surface with at least one fin that is sharp such that the at least one fin may be anchored to a bone, the at least one fin having a crest and a base, the at least one fin having a facet extending from the crown of the insert towards the apex of the insert, two side flanks extending from the facet and the crest having a shape substantially curved towards the apex of the insert, wherein the side flanks join together at the crest.
Dependencies are inferred from the claim text.