US Patent Issued to K2M on April 1 for "Modular head assembly" (Virginia, California Inventors)

ALEXANDRIA, Va., April 2 -- United States Patent no. 12,262,921, issued on April 1, was assigned to K2M Inc. (Leesburg, Va.).

"Modular head assembly" was invented by Brittany Lang (Warrenton, Va.) and Michael Barrus (Redondo Beach, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spinal fixation device includes a modular head assembly and a bone screw having a head and a shank. The modular head assembly includes a housing defining proximal and distal surfaces and a throughhole therethrough; an anvil slidable within the throughhole; a biasing member circumferentially surrounding the anvil; an assembly cap secured to the housing and defining an inner surface having a first portion with a first diameter ...