Patent ID: 7559923
Filing Date: 2009-07-14
Classification: A61B,A61M

Abstract:
1. A method of interventional surgery comprising: inserting an actuator within a body of a vascularized organism and positioning the actuator adjacent a target region within a vessel of the body, wherein the actuator carries a needle having a needle tip in an inwardly folded recess; operating the actuator to unfold the recess and cause the needle to move in a substantially perpendicular direction relative to a wall of the vessel to produce an opening therein, wherein during the operation of the actuator, the needle is moved from a position within the actuator body with the needle tip positioned radially inward from a circumference defined by an exterior surface of the actuator to a position where the needle tip penetrates the vessel wall; and delivering a therapeutic or diagnostic agent through the needle to the target region via the opening in the wall of the vessel.