Cryotherapy

Cryotherapy refers to the use of low temperature below 0 ℃ to freeze diseased tissues to achieve the purpose of treatment. Liquid nitrogen cryotherapy uses -196°C cryogenic freezing to destroy diseased tissues.

The refrigerant used in freezing is liquid nitrogen, which is a colorless, odorless, non-flammable, non-explosive, and transparent liquid. The principle of the action of liquid nitrogen is mainly as follows: One is to freeze blood vessels to achieve hemostasis.

The second is to destroy the nerve ending receptors, play an anesthesia and analgesic effect. The third is that freezing can kill microorganisms and prevent infection.