ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,099, issued on June 3, was assigned to CALYXO INC. (Pleasanton, Calif.).

"Devices and methods for minimally invasive kidney stone removal by combined aspiration and irrigation" was invented by Matthew Yurek (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are systems, devices, and methods for the removal of objects from the body. The device may be a urethral catheter configured to aspirate kidney stones from the urinary tract through one or more aspiration ports at the distal face or along a lateral side of the catheter. The catheter may include one or more irrigation ports at the distal face or along the lateral side of the...