A surgical apparatus for removing deposits from an interior of a vessel comprising a rotatable shaft and a rotatable tip mounted to the rotatable shaft which is rotatable about its longitudinal axis upon rotation of the shaft to remove deposits from the interior of the vessel. The tip has a distal portion,...http://www.google.es/patents/US6579299?utm_source=gb-gplus-sharePatente US6579299 - Atherectomy device
