ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,645, issued on Nov. 3, was assigned to Osseointegration International B.V. (Ruurlo, Netherlands).
"Bone nail device" was invented by Franciscus Theodorus Peter Verhaegh (Doesburg, Netherlands) and Munjed Al Muderis (Nort Ryde, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "Bone nail device (1), with an outer tubing (2) having an inner screw thread (2a) extending over at least a part of an inner surface of the outer tubing (2), and a first bone connection member (2b), and an inner tubing (3) having a second bone connection member (3a). The inner tubing (3) is arranged inside at least a part of the outer tubing (2) to allow a sliding axial re...