Patent ID: 7930014
Filing Date: 2011-04-19
Classification: A61B

Abstract:
1. A system for acquisition and co-registered display of intravascular information, comprising: an imaging flexible elongate member having a proximal end and a distal end; an imaging probe located near the distal end of the flexible elongate member, and configured to obtain information for generating an image of a vessel; a radiopaque marker located near the imaging probe; a first memory for storing angiogram image data; a second memory for storing intravascular image data derived from information obtained by the imaging probe; a third memory for storing radiopaque marker image data, distinct from the angiogram image data, the radiopaque marker image data being derived from information obtained from a fluoroscopic imaging device; a display processor configured to retrieve and combine data from the first memory, the second memory and the third memory, and further configured to render a composite image including: wherein the display processor is further configured to calculate an error function based on a difference between the estimated location of the radiopaque marker and the actual location of the radiopaque marker and wherein the display processor further configured to utilize the error function to correct the estimated location of the radiopaque marker for the preceding period of inactive fluoroscopy.