ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,404, issued on March 3, was assigned to Boston Scientific Scimed Inc. (Maple Grove, Minn.).

"Crossing occlusions in blood vessels" was invented by Chad J. Kugler (Buffalo, Minn.), Matthew J. Olson (Grafton, N.D.), Ross A. Olson (Anoka, Minn.), David B. Robinson (Independence, Minn.) and Peter Alan Jacobs (Minneapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure is directed a method of facilitating treatment via a vascular wall defining a vascular lumen containing an occlusion therein. The method may include providing a first intravascular device having a distal portion and at least one aperture and positioning the distal por...