ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,494, issued on Jan. 13, was assigned to S-VIAL MEDICAL LTD (Or Akiva, Israel).

"Mixing syringe" was invented by Yaron Cina (Moshav Sharona, Israel), Shlomo Uri Haimi (Or Akiva, Israel) and Ronen Levin (Haifa, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mixing syringe, including: a barrel; a hollow plunger disposed inside the barrel, the hollow plunger having a stopper disposed on a distal end thereof and an open proximal end; a flexible container disposed inside the hollow plunger, the container containing a first material; a metering rod adapted to be inserted in the open proximal end of the hollow plunger so as to enclose the container...