ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,277, issued on June 3, was assigned to AVANTEC VASCULAR Corp. (Sunnyvale, Calif.).

"Apparatus and methods for retrieving a foreign body from a vasculature" was invented by Plaridel Villareal (Sunnyvale, Calif.), Nicholas DeBeer (Sunnyvale, Calif.), Frank Becking (Sunnyvale, Calif.), Karl Halden (Sunnyvale, Calif.) and Teresa Ruvalcaba (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus and methods for retrieving a foreign body from a vasculature are provided. The devices can be Funnel-trap type retrieval devices. The devices can include a compressible support member extending from the distal end of an elongate shaft, the compr...