When the lumen 62 of the vessel has been penetrated, {TAIL ~ guide wire} 61 is threaded into {HEAD ~ the needle} an blood vessel, and the needle is removed 
When the lumen 62 of the vessel has been penetrated , { TAIL ~ guide wire } 61 is threaded into { HEAD ~ the needle } an blood vessel , and the needle is removed
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH