The system typically includes an elongate catheter member, a filtration apparatus disposed within the distal region, and an atherectomy assembly which includes {HEAD ~ a mechanism} for trapping and holding {TAIL ~ mobile or fixed plaque} and an excising mechanism for removing the plaque 
The system typically includes an elongate catheter member , a filtration apparatus disposed within the distal region , and an atherectomy assembly which includes { HEAD ~ a mechanism } for trapping and holding { TAIL ~ mobile or fixed plaque } and an excising mechanism for removing the plaque
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH