ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,879, issued on July 28, was assigned to SHOCKWAVE MEDICAL INC. (Santa Clara, Calif.).
"Shock wave catheter system with energy control" was invented by John M. Adams (Snohomish, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A catheter for delivering shockwaves to a calcified lesion includes an elongated carrier, a pair of electrodes carried by the carrier, said electrodes being immersed in a conductive liquid, and a power source with a circuit coupled to the electrodes for supplying voltage pulses to the electrodes. The power source includes a capacitor and a switch. Each voltage pulse is between 1,000 volts and 10,000 volts. Each voltage puls...