Methods and apparatus are provided for removing emboli during an angioplasty, stenting or surgical procedure comprising a catheter having an occlusion element, an aspiration lumen, and a blood outlet port in communication with the lumen, a guide wire having a balloon, a venous return catheter with a...http://www.google.ca/patents/US6423032?utm_source=gb-gplus-sharePatent US6423032 - Apparatus and methods for reducing embolization during treatment of carotid artery disease
