ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,234,858, issued on Feb. 25, was assigned to ECP Entwicklungsgesellschaft mbH (Aachen, Germany).

"Flexible catheter with a drive shaft" was invented by Mario Scheckel (Aachen, Germany) and Joerg Schumacher (Aachen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A flexible catheter with a drive shaft, and associated devices and systems. In some examples, the disclosure describes a flexible catheter with a drive shaft, with a sleeve surrounding the drive shaft and with a sheath surrounding the drive shaft and the sleeve, wherein the drive shaft, the sleeve and the sheath are pliable, wherein the drive shaft at a proximal end of the drive shaft comp...