YDL-250 is a hand-held liquid nitrogen cryosurgery device used for dermatology.

Feature:
1. Physical therapy: use low-temperature effect on the diseased tissue
2. Stainless steel shots material, phase change refrigeration principle, rely on the evaporation pressure of the liquid nitrogen is formed, so that the infusion tube of liquid nitrogen from the liquid nitrogen flows into the cold head through the cup, so as to achieve the effect of cryotherapy
3. Cold therapy device freezer head (9pcs), the infusion tube (connected to the lid elbow), liquid nitrogen cups, cup lids of liquid nitrogen (infusion tube is connected with the cap), vent switch (on the white cover projecting portion) composed of six parts of the handle
4. Small size, lightweight
5. Double layers bottle, no burst, no rust, beautiful appearance, simple structure, easy to operate, strong cooling effect, cooling fast