ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,396,860, issued on Aug. 26, was assigned to ONKOS SURGICAL INC. (Parsippany, N.J.).

"Modular rotational device for torsionally stabilizing an endoprosthesis" was invented by Gerhard E. Maale (Plano, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An improved modular rotational device includes a first and second threaded coupler for affixation along the stem of an endoprosthetic device, for example, a humeral prosthesis or a femoral prosthesis. The rotational device axis of rotation is coaxial with the stem, and its axis of rotation is located in close proximity to the intramedullary stem of the prosthesis or in close proximity to the distal articul...