The catheter in accordance 12, wherein {HEAD ~ the means} for plaque removal comprises {TAIL ~ a cutting blade} 
The catheter in accordance 12 , wherein { HEAD ~ the means } for plaque removal comprises { TAIL ~ a cutting blade }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL