ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,128, issued on March 18, was assigned to Boston Scientific Scimed Inc. (Maple Grove, Minn.).

"Endovascular devices and methods for exploiting intramural space" was invented by Chad J. Kugler (Buffalo, Minn.), Robert E. Atkinson (Lake Elmo, Minn.) and Matthew J. Olson (Grafton, N.D.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Devices and methods for the treatment of chronic total occlusions are provided. One disclosed embodiment comprises a method of facilitating treatment via a vascular wall defining a vascular lumen containing an occlusion therein. The method includes inserting an intramural crossing device into the vascular lumen, positioning ...