ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,502, issued on Oct. 20, was assigned to Babson Diagnostics Inc. (Austin, Texas).
"Device and method for testing serum and plasma separated from blood cells in whole blood samples" was invented by Eric Olson (Austin, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device and method for separating serum or plasma from blood cells in a whole blood specimen. The present invention uses a cap with a reservoir, such that blood cells are packed into the cap when the specimen container is centrifuged. When the cap is removed, the blood cells are also removed, and the serum or plasma is left in the specimen tube where it can be readily extracted by a p...