{HEAD ~ Fabric tube} 50 is preferably made from a biocompatible material such as {TAIL ~ polyester fabric} 
{ HEAD ~ Fabric tube } 50 is preferably made from a biocompatible material such as { TAIL ~ polyester fabric }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL