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).