TORTUOSE PATH INJECTION DEVICE AND METHOD

摘要

Devices and methods for delivering therapeutic or diagnostic agents to a target tissue of a human body are disclosed. A catheter in accordance with t he present invention includes an elongate shaft having a distal end, a proximal end, and a lumen therethrough. An elongate shaft includes a first curved portion proximate the distal end of the elongate shaft. The first curved portion of the elongate shaft defines a first plane. The elongate shaft also includes a second curved portion disposed between the distal end of the elongate shaft and the first curved portion of the elongate shaft defines a second plane. The second plane intersects the first plane at an angle.