An angioplasty device and particle trap for use in medical, veterinary, non-medical or industrial applications where removal of an obstruction from a small diameter vessel or vessel-like structure could produce particles, which, if allowed to remain in the vessel, could cause undesirable complications...http://www.google.es/patents/US6443926?utm_source=gb-gplus-sharePatente US6443926 - Embolic protection device having expandable trap
