Clariance

Andrew Clavenna

Guy Viart

Brice Krier

Nicolas Virgaux

Pascal Rokegem

Bruno Sauvage

A discontinuously double-threaded bone screw includes a drive head and anchoring body consisting of a cylindro-conical core over which extend at least two cylindro-conical threads, the anchoring body including anchoring portions of different profiles, ensuring an anchoring corresponding to different bone hardnesses and strengths, the anchoring body including, below the drive head, a first anchoring portion with a conical core and two threads with cylindrical profile and identical pitch, a second anchoring portion with a cylindrical core and a single cylindrical thread over &#xbc; turn, a third anchoring portion with a cylindrical core and two threads with cylindrical profile over &#xbd; turn, a fourth anchoring portion including a cylindrical core and a single thread with cylindrical profile n turn based on total length of the bone screw, and a fifth anchoring portion including a conical core and two threads with conical profile forming the tip of the bone screw.

Growing community of inventors

Dallas, TX, United States of America

Andrew Clavenna