US Patent 7818040 Deflectable medical therapy delivery device having common lumen profile

A method of locating a target site for delivering a therapy to a patient that includes advancing a delivery device having a steerable portion and a deflectable tip having a tapered portion to an area along a first site. A contrast media is delivered through a thru lumen and outward from a distal end of the delivery device in fluid communication with the thru lumen to position the contrast media along the first site and the delivery device is further advanced toward the first site and within the first site, or the delivery device is further advanced toward the first site and within the first site without the contrast. The contrast media is then delivered from the distal end of the delivery device within the first site to locate the target site.