ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,765, issued on March 24, was assigned to Becton Dickinson and Co. (Franklin Lakes, N.J.).
"Pump with pumping chamber created by telescoping action driven by friction" was invented by Alessandro Pizzochero (Chelmsford, Mass.), Mark Wood (Sterling, Mass.) and Russell Cole (River Vale, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pump subsystem for fluid delivery (e.g., in a wearable patch pump) is provided wherein pumping action is generated by linear piston movement that pulls a plug, which is interconnected to the piston between two mechanical extremes or end stops in a telescopic or variable volume fluid chamber. Such interconnection enab...