The inventive probe has {HEAD ~ no difficulty} negotiating {TAIL ~ the turn} from a 30 degree bend and can therefore be moved axially within the housing and the needle into an appropriate position 
The inventive probe has { HEAD ~ no difficulty } negotiating { TAIL ~ the turn } from a 30 degree bend and can therefore be moved axially within the housing and the needle into an appropriate position
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH