ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,497, issued on April 15, was assigned to BOLT MEDICAL INC. (Carlsbad, Calif.).

"Multiplexer for laser-driven intravascular lithotripsy device" was invented by Christopher A. Cook (Laguna Niguel, Calif.), Gerald D. Bacher (Carlsbad, Calif.), Eric Schultheis (San Clemente, Calif.), Mina Mossayebi (Irvine, Calif.), Wenjie Xie (La Crescenta, Calif.) and Yu Liu (Irvine, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A catheter system for treating a vascular lesion within or adjacent to a vessel wall within a body of a patient includes a single light source that generates light energy, a first light guide and a second light guide, and a multiplexer....