FIELD: medicine.
SUBSTANCE: invention refers to medical equipment. A chest piece of an electronic stethoscope comprises a body and in-built first and second membranes, an amplifier, first and second piezoelectric sensitive elements connected in-phase to first and second inputs of the amplifier respectively and fixed on the first and second membranes respectively. The amplifier is differential.
EFFECT: application of said invention provides noise immunity of the chest piece detachably connected to an electronic interface of the stethoscope for diagnostic auscultation, mainly in lung and heart monitoring in patients in an active condition - motion.
11 cl, 1 dwg
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