US Patent Issued to Becton Dickinson and Co. on Sept. 15 for "Ball joint-style, non-fixed coupling between a pusher plate and plunger in a syringe barrel" (Massachusetts Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,292, issued on Sept. 15, was assigned to Becton Dickinson and Co. (Franklin Lakes, N.J.).

"Ball joint-style, non-fixed coupling between a pusher plate and plunger in a syringe barrel" was invented by Alessandro Pizzochero (Chelmsford, Mass.), Mark Wood (Sterling, Mass.) and Nicholas Anderson (Whitman, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid delivery device has a syringe barrel with reservoir chamber for fluid, a plunger that translates along a longitudinal axis to expel fluid, and a pusher dimensioned to translate within the barrel and coupled to a drive mechanism to controllably contact and move the plunger. The pusher contact...