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