A sewing cuff is adapted to be coupled to a native tissue annulus of a heart and includes an inner annular cuff portion adapted to conform to {HEAD ~ the first and second recess walls} in {TAIL ~ the orifice ring} 
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A sewing cuff is adapted to be coupled to a native tissue annulus of a heart and includes an inner annular cuff portion adapted to conform to { HEAD ~ the first and second recess walls } in { TAIL ~ the orifice ring }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL