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The liquid nitrogen may be applied to lesions using a variety of methods, such as dipping a cotton or synthetic material tipped applicator in liquid nitrogen and then directly applying the cryogen onto the lesion. [3] The liquid nitrogen can also be sprayed onto the lesion using a spray canister. The spray canister may utilize a variety of ...
Medical cryotherapy gun with liquid nitrogen. In medical applications, spray cans containing dimethyl ether [4] or tetrafluoroethane may also be used to freeze and destroy tissue, for removal of warts and skin tags, or other uses in cryosurgery. Liquified petroleum gas including propane and butane is sometimes used.
By the 1940s, liquid nitrogen became more readily available, and the most common method of application was by means of a cotton applicator. In 1961, Cooper and Lee introduced a closed-system apparatus to spray liquid nitrogen. In the late 1960s, metal probes became available. By 1990, 87% of dermatologists used cryotherapy in their practice."
By the 1940s, liquid nitrogen became more readily available, and the most common method of application was by means of a cotton applicator. In 1961, Cooper and Lee introduced a closed-system apparatus to spray liquid nitrogen. In the late 1960s, metal probes became available. By 1990, 87% of dermatologists used cryotherapy in their practice."
Cryotherapy, sometimes known as cold therapy, is the local or general use of low temperatures in medical therapy.Cryotherapy can be used in many ways, including whole body exposure for therapeutic health benefits or may be used locally to treat a variety of tissue lesions.
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Liquid nitrogen (−195.8 °C) is the most commonly used destructive therapy for the treatment of AK in the United States. [72] It is a well-tolerated office procedure that does not require anesthesia. [73] Cryotherapy is particularly indicated for cases where there are fewer than 15 thin, well-demarcated lesions. [72]
Liquid nitrogen and similar cryosurgery methods are common surgical treatments, which act by freezing the external cell structure of the warts, destroying the live tissue. [citation needed] Electrodesiccation and surgical excision may produce scarring. [citation needed]