{HEAD ~ A second member} is disposed within the first member to transmit force to move {TAIL ~ a cutting implement} disposed at its distal end and cause it to cut tissue that is exposed to the implement through the opening 
{ HEAD ~ A second member } is disposed within the first member to transmit force to move { TAIL ~ a cutting implement } disposed at its distal end and cause it to cut tissue that is exposed to the implement through the opening
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH