Branched Stent Delivery System

Abstract

An interventional delivery system with a first catheter having at its distal end a side branch vessel segment; a second catheter attached around the first catheter and having at its distal end a main vessel segment; a side branch vessel device attached to side branch vessel segment of the first catheter; and main vessel device attached to the main vessel segment of the second catheter. The main vessel device and the side branch vessel device are able to be simultaneously delivered to a treatment site.

1 - 23 . (canceled) 
     
     
         24 . A first catheter assembly comprising:
 a catheter having a shaft and a reverse facing segment;   a connection means to join said shaft and reverse facing segment; and   a side branch device positioned onto the reverse facing segment.   
     
     
         25 . A first catheter assembly comprising:
 a catheter having a shaft and a reverse facing segment;   a side branch device positioned onto the reverse facing segment;   a connection means to join said shaft and reverse facing segment; and   an apex formed by the open end of the shaft and open end of the reverse facing segment to allow a bifurcated guidewire to move freely within the catheter.   
     
     
         26 . The first catheter assembly of  claim 24  wherein the shaft and the reverse segment are comprised of different materials. 
     
     
         27 . The first catheter assembly of  claim 24  wherein the shaft and the reverse facing segment each have one or more openings near the connection means. 
     
     
         28 . The first catheter assembly of  claim 24 , wherein the shaft has a first opening and a second opening and the reverse facing segment has a first opening and second opening near the connection means. 
     
     
         29 . The first catheter assembly of  claim 28  wherein the first opening in the shaft and the first opening in the reverse facing segment allow a bifurcated guidewire to move freely within the catheter. 
     
     
         30 . The first catheter assembly of  claim 25  further comprising a deployment line positioned in the shaft. 
     
     
         31 . The first catheter assembly of  claim 30  wherein the deployment line is attached or integral to a constraining sheath. 
     
     
         32 . The first catheter assembly of  claim 31  wherein the deployment line exits the reverse facing segment and enters the shaft.