A Balloon dilation catheter comprising an elongated tubular shaft and an inner tube defining inflation and guide wire lumens. A dilation balloon is mounted on the distal end of the tubular shaft and communicates with the inflation lumen. The guide wire lumen extends through the balloon. A stiffening...http://www.google.se/patents/US6368302?utm_source=gb-gplus-sharePatent US6368302 - Dilatation catheter with stiffening wire
