ALEXANDRIA, Va., June 2 -- United States Patent no. 12,642,648, issued on June 2, was assigned to Medtronic Inc. (Minneapolis).

"Prosthesis with beneficial compression characteristics and method of manufacture" was invented by Cathleen A. Bergin (Hugo, Minn.), Michael James Schendel (Andover, Minn.) and Scott Robertson (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "A prosthesis includes a radially expanded configuration and a radially compressed configuration. The prosthesis further includes a material layer and a stent. The material layer is generally tubular and has a first diameter when the prosthesis is in the radially expanded configuration. At least a portion of the stent has an unrestra...