ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,989, issued on July 28.
"Apparatus and method for protecting post-amputation residuum" was invented by Michael Joseph Astilla (Durham, N.C.) and Laura Brewer Riedel (Durham, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for protecting a post-amputation residuum comprises a shell defining a hollow interior cavity adapted for receiving and covering a distal portion of the residuum. The shell has an opening into the cavity at the distal end. A first and a second plurality of circumferentially spaced longitudinal slits extend from the proximal end and the distal end, respectively. A proximal portion of a compression sleeve is disposed...