RAPID 3D CARDIAC PARAMETER MAPPING

• Main Authors: BRODNICK, Donald, KOHUT, Shivani, SRA, Jasbir
• Format: Patent
• Language: English; French; German
• Published: 28.06.2023
• Subjects: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; DIAGNOSIS; ELECTROTHERAPY; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MAGNETOTHERAPY; MEDICAL OR VETERINARY SCIENCE; RADIATION THERAPY; SURGERY; ULTRASOUND THERAPY

A method for generating a 3D map of a cardiac parameter in a region of a living heart, the method using single-plane fluoroscopic images and comprising: (a) placing a plurality of catheters each having one or more radio-opaque sensors into the region such that the locations of the sensors geometrically span the region; (b) capturing a first-view digitized 2D image of the region from a first fluoroscope positioned at a first angle; (c) identifying each of the plurality of sensors in the first-view image; (d) capturing a second-view digitized 2D image of the region from a second fluoroscope positioned at a second angle which is different from the first angle; (e) identifying each of the plurality of sensors in the second-view image; (f) associating each of the plurality of identified sensors in the second-view image with its corresponding identified sensor in the first-view image; (g) sensing and storing values of the cardiac parameter with each of the plurality of sensors; (h) determining the 3D location of each of the plurality of sensors from the first-view and second-view images using back-projection calculations; (i) associating each of the parameter values with its corresponding sensor location; (j) generating the parameter map from the first-view and second-view images; and (k) displaying the parameter map on a display device.