Patent ID: 8784800
Filing Date: 2014-07-22
Classification: A61B,A61K

Abstract:
1. A method of delivering therapy to a target site, the method comprising: (a) obtaining a base image of the target site; (b) navigating a catheter to the target site; (c) injecting a dose of a mix of a therapeutic agent and a contrast agent into a first injection location at the target site; (d) collecting sequential fluoroscopic images of a contrast agent dispersion cloud at the first injection location; (e) determining a contrast agent dispersion region from the sequential fluoroscopic images; (f) identifying a tissue type of the first injection location; (g) determining a therapeutic agent dispersion region from the contrast agent dispersion region; (h) marking the therapeutic agent dispersion region on the base image of the target site; and (i) repeating (b) through (h) until the target site is substantially covered with overlapping therapeutic agent dispersion regions corresponding to a plurality of injections at a plurality of injection locations at the target site, wherein a plurality of the therapeutic agent dispersion regions are presented on the base image at the same time.