This is a balloon catheter having at least two lumens. One of the lumens is a large working lumen. The balloon catheter is especially useful as a guide catheter or micro catheter and may be used in a variety of therapeutic and diagnostic procedures. In particular, it has value in treating neurovascular...http://www.google.com/patents/US6638245?utm_source=gb-gplus-sharePatent US6638245 - Balloon catheter
