{TAIL ~ System} and method to determine the location and {HEAD ~ orientation} of an indwelling medical device 
{ TAIL ~ System } and method to determine the location and { HEAD ~ orientation } of an indwelling medical device
TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH