US Patent Issued to SHOCKWAVE MEDICAL on Sept. 29 for "Shockwave catheter system with energy control" (Washington Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,020, issued on Sept. 29, was assigned to SHOCKWAVE MEDICAL INC. (Santa Clara, Calif.).

"Shockwave catheter system with energy control" was invented by Doug Hakala (Woodinville, Wash.), John M. Adams (Snohomish, Wash.) and Randy Holmberg (Bothell, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system that breaks calcium in a liquid includes a catheter including first and second electrodes arranged to receive there-across a high electrical voltage at an initial low current. The high electrical voltage causes an electrical arc to form across the electrodes creating a gas bubble within the liquid, a high current to flow through the electrodes, ...