ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,796, issued on Oct. 27, was assigned to Isys Medizintechnik GmbH (Kitzbuhel, Austria).

"Positioning arm" was invented by Michael Vogele (Schwabmunchen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A positioning arm for positioning instruments, devices or tools, is disclosed. The positioning arm includes at least two arm elements pivotably connected to one another about a pivot axis via a central joint. At least one of the arm elements includes a further joint at an end opposite the central joint. The positioning arm includes a blocking device for blocking and releasing the central joint and the at least one further joint. The blocking devi...