Patent ID: 6231612
Filing Date: 2001-05-15
Classification: A61F

Abstract:
An acetabular implant, attachable without cement, comprising:a cup (5) of hemispherical shape with a circular open base and a pole, delimiting an internal cavity (10); andan insert (7) that can be fitted into said cavity (10), the cup (5) being fitted by impacting and, for this purpose, comprising anchoring roughnesses (15), formed on its exterior face, which have a diamond shape and are contiguous and imbricated;wherein the cup (5) comprises, formed in its exterior face and coaxial with it, two grooves, in the form of helical threads (38) of opposite hand, which intersect one another over a large proportion of said external face, which are inclined towards the base of the cup (5) and which have a depth which increases progressively towards the base of the cup (5), said grooves, by intersecting, delimiting a large number of said roughnesses (15).