Patent ID: 6500003
Filing Date: 2002-12-31
Classification: A61C

Abstract:
An assembly for securing a permanent prosthesis to an implant fixture, the assembly comprising:an abutment comprised of a base and an attachable coping, the base having a first surface that is complementary to a head portion of the implant fixture, a second surface having a shape that approximates a section of a sphere, and a third surface that defines an aperture extending between the first and second surfaces of the base, the attachable coping having an exterior surface and a depression formed at one end of the attachable coping, the exterior surface adapted to receive the permanent prosthesis and the depression shaped to slidably engage the second surface of the base so that the attachable coping can be joined to the base at a desired angular orientation; and a connector having a head portion and a shaft portion adjoining the head portion, the head portion of the connector defining one end of the connector and shaped to engage the third surface of the base of the abutment, and the shaft portion of the connector having external threads adapted to engage internal threads in a lower cavity of the implant fixture so that the one end of the connector lies substantially within the aperture of the abutment following assembly.