ALEXANDRIA, Va., June 16 -- United States Patent no. 12,653,947, issued on June 16, was assigned to Tandem Diabetes Care Switzerland Sarl (St-Sulpice, Switzerland).
"Patch pump device for drug delivery" was invented by Antoine Barraud (Lonay, Switzerland), Benjamin Pruijs (Bienne, Switzerland) and Nathanael Sigg (Oulens-sous-Echallens, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drug delivery device comprising a pumping system (4) and a liquid reservoir (7) fluidly connected to a delivery system outlet (12), the liquid reservoir comprising an elastic plunger (14) scalingly slidable within a container wall (13) of the liquid reservoir for expelling liquid out of the reservoir. The pumping sys...