Patent ID: 8951043
Filing Date: 2015-02-10
Classification: A61C

Abstract:
1. A two part dental implant insertion system, comprising; a threaded zirconia insertion part adapted to be implanted in the jawbone, the insertion part being able to withstand an insertion force of at least 30 N-cm; and an insertion instrument for inserting the insertion part into the jawbone, wherein the insertion part includes a neck adapted to protrude above the jawbone, the neck including two or more round or oval protrusions disposed on a lower end of an outside wall of the neck, the neck including an annular segment having a curved profile, the curved profile corresponding in shape to an annular segment of a sphere and being disposed around the neck such that a diameter of the annular segment is more narrow at an insertion side of the insertion part than a diameter of the annular segment at an insertion instrument connection side of the insertion part, wherein the protrusions extend across an entirety of a height of the annular segment; wherein the insertion instrument includes a sleeve shaped upper rim that fits over the neck of the insertion part, the upper rim having recesses which are semi-circular for a fitting connection with the round or oval protrusions of the insertion part; and wherein the fitting connection between the insertion part and the insertion instrument functions as a cardan coupling.