A dilatation catheter for angioplasty procedures having inner and outer tubular members with a reinforcing mandrel fixed within the annular lumen between the the inner and outer tubular members. The catheter is adapted for use with a guidewire having an OD of not more than 0.014 inch (0.356 mm), preferably...http://www.google.es/patents/US5242396?utm_source=gb-gplus-sharePatente US5242396 - Dilatation catheter with reinforcing mandrel
