Patent ID: 6689099
Filing Date: 2004-02-10
Classification: A61M

Abstract:
A medical device comprising:a catheter having a proximate section and a distal section; a first member positioned along the catheter and capable of moving towards and away from the distal section of the catheter, the first member including a first section and a second section, the second section capable of bending with respect to the first section in response to the motion of the first member towards and away from the distal section; a second member supported at a first end by the distal section of the catheter and extending at a second end from the second section of the first member, the second member capable of bending at the first end with respect to the catheter and at the second end with respect to the first member; and a delivery element comprising a needle for delivering a therapeutic substance to an inner wall of a vessel, wherein the delivery element has a first position substantially parallel to the longitudinal axis of the distal section of the catheter and is configured to move away from the axis of the catheter to a second position in response to the bending of the first member with respect to the second member.