Regulations last checked for updates: Feb 13, 2026

Title 21 - Food and Drugs last revised: Dec 18, 2026
§ 870.3640 - Indirect pacemaker generator function analyzer.

(a) Identification. An indirect pacemaker generator function analyzer is an electrically powered device that is used to determine pacemaker function or pacemaker battery function by periodically monitoring an implanted pacemaker's pulse rate and pulse width. The device is noninvasive, and it detects pacemaker pulse rate and width via external electrodes in contact with the patient's skin.

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

authority: 21 U.S.C. 351,360,360c,360e,360j,360
source: 45 FR 7907, Feb. 5, 1980, unless otherwise noted.
cite as: 21 CFR 870.3640