ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,044, issued on Feb. 3, was assigned to Bard Access Systems Inc. (Salt Lake City).

"System and method for early identification of difficult venous access of a patient" was invented by Gerald Blalock Denny (Salt Lake City), Shayne Messerly (Kaysville, Utah) and Jeffrey Charles O'Bryan (Murray, Utah).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for determining a difficult venous access of a patient. Logic processes meta data acquired by a vasculature assessment device coupled with the patient. The meta data, e.g., vessel diameter, vessel depth, vessel wall thickness, vessel wall elasticity, tissue elasticity, tissue profusion, blood...