A61B5/05
Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
A61B5/05
Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
A61B5/053
Measuring electrical impedance or conductance of a portion of the body
A61B5/053
Measuring electrical impedance or conductance of a portion of the body