ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,053, issued on Sept. 15, was assigned to EFEMORAL MEDICAL INC..

"Absorbable intravascular stents having a therapeutic drug within the scaffold" was invented by Lewis B. Schwartz (Lake Forest, Ill.), Ivan Tzvetanov (Mountain View, Calif.), Alex Estrada (Menlo Park, Calif.) and Eugene Michal (San Anselmo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Devices, systems, and methods are provided to maintain or enhance blood flow through the blood vessel as a stent. The balloon-expandable, bioresorbable, vascular stent elements are configured to be implanted in the blood vessel are described herein. The stent element comprises a scaffold and coat...