公开(公告)号：US11331170B2

公开(公告)日：2022-05-17

申请号：US16760904

申请日：2018-10-26

Applicant: MEGAGEN IMPLANT CO., LTD.

Inventor： Francesco Rueca ,  Giuseppe Luongo

IPC: A61C8/00

Abstract: The invention relates to an abutment (100), in particular for dental interventions in assisted surgery, comprising: —a first element (1), comprising a lower cylindrical element (2) and a semi-spherical element (3) integral above with said cylindrical element (2), divided into a plurality of segments, held together by an outer element (4), in the transition zone between said lower cylindrical element (2) and said semi-spherical element (3) there being provided, internally, a shoulder (7), said semi-spherical element comprising a thread (5), ending at said shoulder (7), in which a centrally perforated screw (6) is coupled, a plurality of steps or protrusions (8) being provided on said lower cylindrical element (2); —a second element (10), comprising a first upper cylindrical element (11), which inserts inside said cylindrical element (2) of said first element (1) and equipped externally with a plurality of steps or protrusions (12), which are able to move vertically with respect to staid plurality of steps or protrusions (8) provided on said cylindrical element (2), and a lower semi-spherical element (13); and —a third semi-spherical element (16), divided into a plurality of segments, and ending with coupling means (14) with a dental implant (15).