ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,194, issued on March 31, was assigned to Terumo BCT Inc. (Lakewood, Colo.).

"Apparatuses, systems, and methods for plasma rinseback" was invented by Nicole Whitmore (Lakewood, Colo.), Amanda Davison (Lakewood, Colo.) and Marlene Bainbridge (Lakewood, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for minimizing a residual blood value via a plasma rinseback includes a collection bag, a return reservoir, one or more pumps, and one or more lines. The collection bag is configured to store plasma collected from a donor during a donation process. The return reservoir is configured to collect fluid remaining in the system after the donation...