ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,682, issued on Feb. 4, was assigned to The University of Melbourne (Melbourne, Australia).

"Peristaltic pump rotor, stator and roller arrangement" was invented by Alastair Stewart (Melbourne, Australia) and Xumei Gao (Melbourne, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a rotor for a peristaltic pump, the rotor comprising a body for rotation about an axis, the body having a first side and a second side, the body supporting a plurality of spaced first rollers extending from the body on the first side, the first rollers positioned at a first common radius from the axis, the body further supporting a plurality of sp...