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