21 CFR 870.2860 - Heart sound transducer.

§ 870.2860 Heart sound transducer.
(a) Identification. A heart sound transducer is an external transducer that exhibits a change in mechanical or electrical properties in relation to sounds produced by the heart. This device may be used in conjunction with a phonocardiograph to record heart sounds.
(b) Classification. Class II (performance standards).

Title 21 published on 2014-04-01

no entries appear in the Federal Register after this date.

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