{HEAD ~ Needle} 14 remains in {TAIL ~ void space} 15 until the sensor 12 is removed from the patient and it and base unit 18 are disposed 
remains in
{ HEAD ~ Needle } 14 remains in { TAIL ~ void space } 15 until the sensor 12 is removed from the patient and it and base unit 18 are disposed
HEAD HEAD HEAD HEAD HEAD OTH REL 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