A device and method for dilation or recanalization of a diseased vessel by use of a balloon catheter with cutting edges to make longitudinal cuts in the vessel wall is described. The diameter of the vessel increased without the subsequent secondary cellular proliferation or restenosis in the vessel caused...http://www.google.com/patents/US5196024?utm_source=gb-gplus-sharePatent US5196024 - Balloon catheter with cutting edge
