An electrostimulation unit, electrically connected to {HEAD ~ the signal transmission element} produces a signal for improving the overall function of {TAIL ~ an arthritic joint} 
An electrostimulation unit , electrically connected to { HEAD ~ the signal transmission element } produces a signal for improving the overall function of { TAIL ~ an arthritic joint }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL