ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,190, issued on March 18, was assigned to Canon U.S.A. Inc. (Melville, N.Y.).
"NIRAF calibration sheath phantom" was invented by Emily Chernich (Somerville, Mass.) and Christopher Brushett (Cambridge, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multimodality system includes first and second modalities, an optical probe, a detector, and a sheath with a known fluorescence phantom, wherein the phantom would be used for calibration of the catheter providing accurate NIRAF values to the user using the sheath phantom to calibrate an optical probe's measured NIRAF signal to the known fluorescence of the phantom."
The patent was filed on Oct. 13...