Patent ID: 6052618
Filing Date: 2000-04-18
Classification: A61B

Abstract:
A device for mapping in vivo electrical activity of a heart, comprising:an imaging unit which generates an anatomical reference image comprising an in vivo physical image of a heart disposed in a patient;a catheter carrying at least one electrode for sensing intracardiac electrical activity, said catheter being adapted for insertion into a heart;signal processing means for determining activation times, from electrical activity sensed by said at least one electrode, in relation to a reference time for electrical activity at different points in a heart;means for generating a graphic image showing said activation times at said different points in the heart and for superimposing said graphic image onto said anatomical reference image;reference means for inserting at least one reference point into said anatomical reference image; andsetting means for aligning said graphic image with said anatomical reference image dependent on said reference point.