You searched for: “thermophore
thermophore
1. An arrangement for applying heat to a body part; which consists of a water heater, a tube conveying hot water to a coil, and another tube conducting the water back to the heater.
2. A flat bag containing certain salts that produce heat when moistened; used as a substitute for a hot-water bag.
3. An instrument for estimating heat sensibility as applied locally to a body part.