ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,226,111, issued on Feb. 18, was assigned to SHOCKWAVE MEDICAL INC. (Santa Clara, Calif.).

"Low profile electrodes for an angioplasty shock wave catheter" was invented by Doug Hakala (Woodinville, Wash.), John M. Adams (Snohomish, Wash.), Khoi T. Le (San Jose, Calif.) and Show-Mean Steve Wu (Fremont, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are low-profile electrodes for use with an angioplasty shockwave catheter. A low-profile electrode assembly may have an inner electrode, an insulating layer disposed over the inner electrode such that an opening in the insulating layer is aligned with the inner electrode, and an outer ele...