ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,719, issued on April 14.
"Closed system elastomeric pumping mechanism" was invented by Michael A. Merchant (Franklin, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A medicinal infusion system includes a safety valve for isolating residual medication by providing a single point of fluidic disconnect to encapsulate a residual fluid volume prone to spillage. The safety valve couples a medicinal repository such as an infusion pump to a medicinal supply, typically from a syringe or tubing. The safety valve includes a resilient, deformable, or hinged surface for isolating and sealing the medicinal flow to eliminate and/or isolate any residual volu...