ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,239, issued on Feb. 17, was assigned to Stryker European Operations Holdings LLC (Portage, Mich.).
"External fixator system" was invented by Manoj Kumar Singh (Mahwah, N.J.), Yves Stephane Crozet (Ramsey, N.J.), Vinzenz Andreas Burgherr (Bern, Switzerland) and Mark Thomas Dahl (Afton, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are external fixation frames for correcting bone deformities. The external fixation frames include a top fixation ring and a bottom fixation ring coupled to one another by at least two struts. A half ring is coupled to bottom fixation ring. The bottom fixation ring is u-shaped. One or more rocker mem...