ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,226,590, issued on Feb. 18, was assigned to APPARENT LLC (Santa Rosa, Calif.).
"Annulus plane catheter" was invented by James R. Watson (Santa Rosa, Calif.) and Reginald Low (Sacramento, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A coaxial multilumen annulus plane catheter, including an outer pigtail catheter enclosing one or two additional lumens, each housing either a slidable shaped wire or a second pigtail catheter shaped to fit into a wide range of annulus diameters and/or depths. In embodiments, the device may include a catheter delivery handle with thumb/finger-actuated sliders that extend or retract the shaped wires and are sized to e...