A treatment apparatus for external application to a mammal body comprising a housing a transducer element adapted to provide an output towards and/or into the mammal body a switch element adapted to activate the transducer element in accordance with a first predetermined condition and deactivate the transducer element in accordance with a second predetermined condition a feedback element adapted to provide at least one first feedback signal in response at least a third predetermined condition and a resilient coupling element adapted to operatively couple the transducer element to said housing.
