US Patent Issued to Becton Dickinson and Co. on May 12 for "Reciprocating pump" (Massachusetts Inventor)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,683, issued on May 12, was assigned to Becton Dickinson and Co. (Franklin Lakes, N.J.).

"Reciprocating pump" was invented by J. Richard Gyory (Sudbury, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pump suitable for use in a wearable medical device, such as a patch pump, comprises an axially translatable chamber with an inlet and an outlet, a piston or a diaphragm rotatably received in the chamber, a first valve between the inlet and the chamber, a second valve between the outlet and the chamber, a cam affixed to the chamber, a follower affixed to the piston and in contact with the cam for axially translating the chamber, and a biasing means...