21 CFR 870.2310 - Apex cardiograph (vibrocardiograph).

§ 870.2310 Apex cardiograph (vibrocardiograph).

(a)Identification. An apex cardiograph (vibrocardiograph) is a device used to amplify or condition the signal from an apex cardiographic transducer and to produce a visual display of the motion of the heart; this device also provides any excitation energy required by the transducer.

(b)Classification. Class II (performance standards).

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United States Code