ALEXANDRIA, Va., July 23 -- United States Patent no. 12,364,841, issued on July 22, was assigned to AIS GmbH Aachen Innovative Solutions (Aachen, Germany).
"Catheter device" was invented by Joachim Georg Pfeffer (Aachen, Germany), Thomas Schmitz-Rode (Aachen, Germany) and Rolf W. Gunther (Aachen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The catheter device comprises a drive shaft connected to a motor, and a rotor mounted on the drive shaft at the distal end section. The rotor has a frame structure which is formed by a screw-like boundary frame and rotor struts extending radially inwards from the boundary frame. The rotor struts are fastened to the drive shaft by their ends opposite the boundary...