Patent ID: 8855744

Claim:
Apparatus comprising: an endoluminal data-acquisition device configured to acquire a plurality of endoluminal data points while moving through a lumen of a subject's body; a second endoluminal device configured to be moved through the lumen; a display; and at least one processor configured to: determine that respective endoluminal data points correspond to respective locations along the lumen, generate a stack of the endoluminal data points, in which the endoluminal data points are positioned at locations corresponding to relative locations within the lumen at which the endoluminal data points were acquired, while the second endoluminal device is inside the lumen, and while the endoluminal data-acquisition device is in a retrieved state with respect to the lumen, subsequent to the endoluminal data-acquisition device having acquired the plurality of endoluminal data points while moving through the lumen, determine a current location of the second endoluminal device with respect to the lumen, and drive the display to display the stack, and to display within the stack an image of the second endoluminal device at a location within the stack corresponding to the current location of the second endoluminal device.