US Patent Issued to Alphatec Spine on July 1 for "Surgical screw" (Ohio Inventor)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,054, issued on July 1, was assigned to Alphatec Spine Inc. (Carlsbad, Calif.).

"Surgical screw" was invented by William Reimels (Hamilton, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surgical screw configured to expand prevent or minimize bone growth inside of the surgical screw is provided. Accordingly, the surgical screw is configured to increase the purchase of the surgical screw with respect to the bone, but also to be withdrawn from the bone without damaging the bone as a result of bone ingrowth. The surgical screw includes a center post with an inner bore and an outer sleeve concentric to the center post. An outer surface of the outer...