An over-the-wire balloon catheter for use in angioplasty includes a proximal single lumen shaft and a multilumen distal portion on which an inflatable balloon is mounted. The lumen of the shaft acts as a combined inflation lumen and guide wire lumen. In the multilumen distal portion, a distal inflation...http://www.google.fr/patents/US5484408?utm_source=gb-gplus-shareBrevet US5484408 - Innerless catheter
