Hydrocollator
Encyclopedia
A hydrocollator is a liquid heating device primarily used in physical therapy
Physical therapy
Physical therapy , often abbreviated PT, is a health care profession. Physical therapy is concerned with identifying and maximizing quality of life and movement potential within the spheres of promotion, prevention, diagnosis, treatment/intervention,and rehabilitation...

 clinics to heat and store hot packs
Heating pad
A heating pad is a pad used for warming of parts of the body in order to manage pain. Localized application of heat causes the blood vessels in that area to dilate, enhancing perfusion to the targeted tissue...

for therapeutic use. Hydrocollators are often made out of stainless steel and some can heat up to 170 °F (77 °C) such as the E-1 and E-2 series.
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