{HEAD ~ The assembly} 78 comprises a tubular housing 79 which contains an axially movable cutter 40 for cutting the membrane 6, an actuator for moving the cutter, and means for sterilising the interior of the valve body, and {TAIL ~ the outer face} of the membrane 6 
{ HEAD ~ The assembly } 78 comprises a tubular housing 79 which contains an axially movable cutter 40 for cutting the membrane 6 , an actuator for moving the cutter , and means for sterilising the interior of the valve body , and { TAIL ~ the outer face } of the membrane 6
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH