Apparatus and methods for treating in-stent restenosis are described for removing stenotic material from within previously stented regions of a patient's vasculature. The apparatus includes a catheter system having a stenotic material removal mechanism mounted on a distal portion of an elongated inner...http://www.google.es/patents/US6319242?utm_source=gb-gplus-sharePatente US6319242 - Apparatus and method for controlled removal of stenotic material from stents
Apparatus and method for controlled removal of stenotic material from stents
