Patent ID: 8834448
Filing Date: 2014-09-16
Classification: A61M

Abstract:
1. A method of accessing a side branch artery having an occlusion, comprising the steps of: providing a catheter having a sidewall and an internal lumen, a side port formed through said sidewall, and a perforating guide wire positioned within said internal lumen; deploying said catheter to a location with the side port aligned with the side branch artery to be accessed before inserting the guide wire into the side branch artery; and moving a distal portion of said guide wire through said side port and into the side branch artery to perforate the occlusion after said side port is aligned with said side branch artery; wherein said catheter further comprises an insertion lumen, and further comprising the step of guiding the catheter within a patient's body over a second guide wire that passes through said insertion lumen, said insertion lumen comprising open distal and proximal ends and being arranged so that said side port of the catheter is located between said distal and proximal ends.