{HEAD ~ The method} 14 wherein {TAIL ~ the tube material} is affixed to itself using sutures to form a sewing cuff 
wherein
{ HEAD ~ The method } 14 wherein { TAIL ~ the tube material } is affixed to itself using sutures to form a sewing cuff
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH