Patent ID: 6332778
Filing Date: 2001-12-25
Classification: A61C

Abstract:
An implant having a fixture inserted into a socket and an abutment coupled to an upper portion of said fixture, comprising:said fixture including a hollow body, a plurality of screw threads formed along a circumferential outer surface of said hallow body, and a partition wall having a through hole, said partition wall integrally formed in an inside wall of said hollow body and dividing an inner space of said hollow body into an upper abutment receiving portion and a lower nut receiving portion formed with at least one slot extended from a lower end of said hollow body to a first position,a screw having a head portion resting against said partition wall and disposed in said abutment receiving portion and a body portion inserted into said through hole and extended to a lower portion of said nut receiving portion,a nut fitted to said body potion of said screw and moved upward and downward in said nut receiving portion by the rotation of said screw;said nut receiving portion formed so that said hollow body is outwardly expanded when said nut is moved to said first position; anda protrusion formed on an upper portion of said partition wall and disposed in said abutment receiving portion, said screw having a groove corresponding to said protrusion.