POLYMERIC MEDICAL DEVICE SYSTEMS HAVING SHAPE MEMORY

摘要

In accordance with the invention, there are provided medical devices with incorporated shape memory systems that allow a polymeric medical device to be inserted in a first conformation or configuration and revert to a second conformation or configuration. In another aspect of the invention, there is provided a medical device, such as a ureteral stent that comprises an elongate member (10) having a proximal end portion and a distal end portion joined by a body portion. The elongated member has an initial outer diameter. The member is formulated of a physiologically acceptable polymer capable of hydrating and expanding.