The implant 7, wherein {HEAD ~ the switch} provides overvoltage protection as {TAIL ~ a function} of an orientation of the external magnetic field 
The implant 7 , wherein { HEAD ~ the switch } provides overvoltage protection as { TAIL ~ a function } of an orientation of the external magnetic field
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH