An atherectomy catheter includes a catheter body having a cylindrical housing at its distal end. The cylindrical housing includes an elongate cutting aperture on one side thereof and a mechanism for severing atheroma which enters within the opening. In a first embodiment, the cutting mechanism comprises...http://www.google.es/patents/US5569277?utm_source=gb-gplus-sharePatente US5569277 - Atherectomy device having helical blade and blade guide
Atherectomy device having helical blade and blade guide
