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