Such cannulas are preferred for use in {HEAD ~ the treatment} of {TAIL ~ acute CNS disorders}, as described herein 
Such cannulas are preferred for use in { HEAD ~ the treatment } of { TAIL ~ acute CNS disorders } , as described herein
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH