ALEXANDRIA, Va., March 31 -- United States Patent no. 12,588,819, issued on March 31, was assigned to Elumn8 Medical Inc. (Campbell, Calif.).

"Oct catheter with low refractive index optical material" was invented by John B. Simpson (Woodside, Calif.), Kin Foong Chan (Woodside, Calif.), Wendy Lam (Woodside, Calif.), Sergio Salinas (Woodside, Calif.) and Evangeline Lumabas (Woodside, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the disclosure include apparatuses, systems, and methods for a catheter with a single element for both imaging and interventions. The catheter may have a distal tip which is positionable in a patient (e.g., in a lumen of a vessel). The distal tip may have an opti...