ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,230, issued on Oct. 27, was assigned to SHOCKWAVE MEDICAL INC. (Santa Clara, Calif.).

"Shock wave catheter with differently sized shock wave emitters" was invented by Khanh Vo (Daly City, Calif.), Tommy Nguyen (Santa Clara, Calif.), Raymond Chester Estrada (Dublin, Calif.), Huy Phan (Santa Clara, Calif.) and Denny Kat-Kuoy (Santa Clara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A catheter for treating a lesion in a body lumen includes an elongate member, an enclosure, and shock wave emitters enclosed by the enclosure. At least one of the shock wave emitters has a different size than at least one of the other emitters. Providing a smaller...