ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,845, issued on Oct. 14, was assigned to Elizabeth Deckler (New York).
"Blood collection tube" was invented by Elizabeth Deckler (Miami).
According to the abstract* released by the U.S. Patent & Trademark Office: "A blood collection apparatus comprising: a test tube element for storing blood extracted from a patient, the test tube element comprising a vacuum facilitating an extraction of the blood, and comprising a test tube septum; an additive, within the test tube element, and beings encased by a soluble film, wherein exposure of the soluble film to the extracted blood dissolves the soluble film, whereby the additive is only available to react with the blood extracted from a pat...