{HEAD ~ A medical system} having an endoscope probe intubated into a body, a signal processing circuit for processing a signal for the probe and {TAIL ~ an electric source circuit} insulated from a commercial electric source 
{ HEAD ~ A medical system } having an endoscope probe intubated into a body , a signal processing circuit for processing a signal for the probe and { TAIL ~ an electric source circuit } insulated from a commercial electric source
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