The lead is provided with a V shaped bend near {HEAD ~ its distal end}, and carries a blood parameter sensor distal to {TAIL ~ the V shaped bend} 
The lead is provided with a V shaped bend near { HEAD ~ its distal end } , and carries a blood parameter sensor distal to { TAIL ~ the V shaped bend }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL