| 摘要 |
Disclosed is an improved temporary stent and drug delivery catheter (10), for use in the prevention of restenosis of a dilated vascular region, and/or for use in the delivery of a medication to a preselected vascular site. The catheter (10) comprises an elongate body (12), a perfusion conduit (18) laterally offset from the axis of the catheter body, and an inflation balloon (30) disposed about the perfusion conduit (18) and at the end of the catheter body (10). In a drug delivery embodiment, a perforated drug delivery balloon (32) is disposed concentrically about the inflation balloon (30). A first lumen (14) extends through the catheter body for communicating with the inflation balloon (30), and a second lumen (16) extends through the body for communicating with the drug delivery balloon (32). Methods of preventing restenosis during a post procedure observation period and of drug delivery to the vascular intima are also disclosed. |
