Patent ID: 6587718
Filing Date: 2003-07-01
Classification: A61N

Abstract:
An apparatus for delivering a therapeutic agent to heart tissue in a body the apparatus comprising:a first electrode instrument including: an intravascular catheter including an elongate shaft having a proximal end and a distal end; a first electrode coupled to the distal end of the elongate shaft of the intravascular catheter and insertable therewith to form the first electrode instrument wherein the elongate shaft is configured to be introduced and advanced through vasculature in the body and positioned in a heart chamber a second electrode instrument including a second electrode coupleable to a percutaneous needle operable to inject the therapeutic agent proximate to the heart tissue in the body; and an instrument interface coupleable to a power source and configured to supply a first potential to the first electrode and a second potential to the second electrode and the first and second potentials having a potential difference to induce migration of the therapeutic agent injected proximate to the heart tissue.