ALEXANDRIA, Va., Aug. 6 -- United States Patent no. RE50,513, issued on Aug. 5, was assigned to CONAVI MEDICAL INC. (North York, Canada).

"Systems and methods for improved visualization during minimally invasive procedures" was invented by Brian Courtney (Toronto) and Amandeep Thind (Toronto).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are provided for performing a minimally invasive procedure in an automated or semi-automated fashion, where an imaging probe having an imaging modality compatible with the presence of an intraluminal medium is employed to record images that are processed to identify regions of interest and direct a medium displacement operation during a subsequent minimal...