When a needle is appropriately connected to a needle housing having a side arm, {HEAD ~ the inventive probe} can be inserted through the channel in the side arm and housing and into and through the needle to {TAIL ~ an appropriate position} near the proximal end of the needle 
When a needle is appropriately connected to a needle housing having a side arm , { HEAD ~ the inventive probe } can be inserted through the channel in the side arm and housing and into and through the needle to { TAIL ~ an appropriate position } near the proximal end of the needle
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH