STENT DELIVERY CATHETER WITH RETRACTABLE BALLOON

摘要

The present invention provides an improved medical device delivery catheter. The medical device delivery system comprises a catheter having a medical device receiving portion adapted to receive a medical device near the distal end of the catheter and a medical device such as a stent concentrically arranged around the catheter within the medical device receiving portion. Th e medical device delivery system further comprises a movable medical balloon disposed about the medical device. In use, the balloon may be inflated to dilate a lesion, retracted to deploy the medical device and subsequently reinflated to seat the medical device.