21 C.F.R. § 890.5720 Water circulating hot or cold pack.
Title 21 - Food and Drugs
(a) Identification. A water circulating hot or cold pack is a device intended for medical purposes that operates by pumping heated or chilled water through a plastic bag and that provides hot or cold therapy for body surfaces. (b) Classification. Class II (special controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to §890.9. [48 FR 53047, Nov. 23, 1983, as amended at 63 FR 59231, Nov. 3, 1998]
Title 21: Food and Drugs
PART 890—PHYSICAL MEDICINE DEVICES
Subpart F—Physical Medicine Therapeutic Devices
§ 890.5720 Water circulating hot or cold pack.