ALEXANDRIA, Va., June 16 -- United States Patent no. 12,653,958, issued on June 16, was assigned to Becton Dickinson and Co. (Franklin Lakes, N.J.).
"Sequential drug delivery syringe" was invented by Shashwat Jain (Indore, India) and Praveen Nalawade (Belgaum, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dual chamber, sequential delivery syringe facilitates selective drug mixing, dosing, and administration through catheters or other vascular accessing devices (VADs), as well as post-administration flushing of catheters with a single syringe instrument. A syringe barrel incorporates an outlet, such as a Luer connector, a variable-volume, primary fluid chamber, and a secondary chamber that is pre-fil...