{HEAD ~ A bone grafting and shaping instrument} includes {TAIL ~ a handle portion}, a collection chamber and a blade 
includes
{ HEAD ~ A bone grafting and shaping instrument } includes { TAIL ~ a handle portion } , a collection chamber and a blade
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH