ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,708,383, issued on Aug. 18, was assigned to KARL STORZ SE & Co. KG (Tuttlingen, Germany).

"Lithotripsy device for breaking up calculi with a control sleeve, and method for accelerating a projectile of a lithotripsy device" was invented by Beat Krattiger (Tuttlingen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lithotripsy device breaks up calculi and includes a support unit, a guide tube having a cavity, a movable projectile, and proximal and distal stop elements for the projectile. The guide tube includes a proximal through-opening and a distal through-opening for feeding and/or discharging the pressure medium into and/or out of the cavity ...