The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 17, 2022
Filed:
Oct. 26, 2018
Megagen Implant Co., Ltd., Daegu, KR;
Francesco Rueca, Rome, IT;
Giuseppe Luongo, Rome, IT;
Abstract
The invention relates to an abutment (), in particular for dental interventions in assisted surgery, comprising: —a first element (), comprising a lower cylindrical element () and a semi-spherical element () integral above with said cylindrical element (), divided into a plurality of segments, held together by an outer element (), in the transition zone between said lower cylindrical element () and said semi-spherical element () there being provided, internally, a shoulder (), said semi-spherical element comprising a thread (), ending at said shoulder (), in which a centrally perforated screw () is coupled, a plurality of steps or protrusions () being provided on said lower cylindrical element (); —a second element (), comprising a first upper cylindrical element (), which inserts inside said cylindrical element () of said first element () and equipped externally with a plurality of steps or protrusions (), which are able to move vertically with respect to staid plurality of steps or protrusions () provided on said cylindrical element (), and a lower semi-spherical element (); and —a third semi-spherical element (), divided into a plurality of segments, and ending with coupling means () with a dental implant ().