{HEAD ~ This invention} relates to blood pumps, and more specifically to {TAIL ~ a high speed, miniature pump} for intravascular use 
relates specifically to
{ HEAD ~ This invention } relates to blood pumps , and more specifically to { TAIL ~ a high speed , miniature pump } for intravascular use
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH