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