Patent ID: 8187229

Claim:
A medical system for performing a surgical procedure on a patient, comprising: a first medical probe having indicia, the first medical probe being configured for insertion into a lumen or vessel of the patient; a second medical probe in a coaxial arrangement with the first medical probe, the second medical probe being configured for insertion into the lumen or vessel; a detector fixedly coupled to the second medical probe and configured for insertion into and advancement through the lumen or vessel along with the second medical probe, wherein the detector detects passage of the indicia as the first and second medical probes are moved relative to each other within the lumen or body vessel; an electromechanical driver coupled to the first and second medical probes, the electromechanical driver being operable to move the first and second medical probes; and a controller configured for directing the electromechanical driver to move the first and second medical probes relative to each other within the lumen or body vessel based on signals received from the detector when the detector is positioned within the lumen or body vessel.