Patent ID: 7214063

Claim:
An implant system, comprising: an implant constructed for implanting into a bone; an abutment constructed to serve as a support for fixing a prosthesis to the bone; and a pivotal coupling between said implant and said abutment to permit, after the implant has been implanted into the bone, precise angulation in all directions of the abutment with respect to the implant before the abutment is fixed at the desired precise angulation with respect to the implant; said pivotal coupling including a ball carried by said abutment, and a socket formed in said implant; said ball being formed with a threaded bore, and said abutment comprising a fixation screw having one end threaded into said bore; said fixation screw including an enlarged head, and said abutment further including a sleeve formed with an inner annular shoulder engaging said enlarged head of the fixation screw; said fixation screw being formed with an annular shoulder between its threaded end and enlarged head; said abutment further including a collar formed with a bore for receiving said threaded end of the fixation screw and engageable at its outer end with said annular shoulder of the fixation screw; said collar being formed at its inner end with a spherical surface complementary to that of said ball.