An intravascular device such as an introducer sheath or a balloon catheter, and methods for use thereof, comprising an elongate member having a proximal end and a distal end and a first lumen and a second lumen. The first lumen communicates with a first proximal opening at the proximal end of the elongate...http://www.google.com.au/patents/US6066100?utm_source=gb-gplus-sharePatent US6066100 - Intravascular device such as introducer sheath or balloon catheter or the like and methods for use thereof