The sewing cuff preferably is composed of at least an outer layer of {HEAD ~ fabric} since fabric typically provides {TAIL ~ good tissue ingrowth} 
The sewing cuff preferably is composed of at least an outer layer of { HEAD ~ fabric } since fabric typically provides { TAIL ~ good tissue ingrowth }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL