ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,591, issued on April 29, was assigned to QUASURAS INC. (Escondido, Calif.).

"Training cartridge for medical pump systems" was invented by Kelsie DiPerna (San Diego), Marc Goldman (San Diego) and Paul M. Diperna (Escondido, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Rotary microfluidic medical pump and pumping method embodiments are discussed herein that may be used for controlled delivery of small and precise volumes of therapeutic or non-therapeutic fluids in a variety of environmental conditions. Certain medical pump and pumping method embodiments discussed herein may also be useful for the controlled delivery of certain therapeutic flui...