ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,331, issued on May 13.
"Fluid collection device" was invented by Yew Aw Liew (Ipoh Perak, Malaysia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid collection device having a specimen collection tube assembly. The specimen collection tube assembly includes a barrel defining a first chamber and an inner tube or plunger defining a second chamber. The barrel includes a luer tip at one end, and another end is in slidable sealing engagement with the inner tube (220) defining a closed system thereof. The inner tube includes a luer tip at one end, and the opposite end is equipped with a seal separating the first and second chambers in the closed syst...