US Patent Issued to BFM Holdings on July 8 for "Double helix bone screw" (Massachusetts, Texas Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,349,951, issued on July 8, was assigned to BFM Holdings LLC (Austin, Texas).

"Double helix bone screw" was invented by Liam Joseph Raymond McKay (Boston), Joshua Clayton Lyon (Lakeway, Texas), Rylan Reed (Austin, Texas), Randall F. Dryer (Austin, Texas) and Ali Kiapour (Newton, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surgical screw is provided for use in fixing or fusing bone. The screw may include each of an inner and an outer helical thread that extends along its length. The geometries of the helices and the relationship between the inner thread and the outer thread may improve the performance of the screw. For example, the two helices m...