A shape memory material activated device of the present invention uses {HEAD ~ a shape memory material activator} to create a path through a shell wall of {TAIL ~ the device} 
A shape memory material activated device of the present invention uses { HEAD ~ a shape memory material activator } to create a path through a shell wall of { TAIL ~ the device }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL