Cryosurgery coolant delivery system and method of preparing and using the same
AssigneeCool Renewal, LLC
InventorAshley Lindsey Rains
Life of this patent
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Abstract
A cryosurgery coolant delivery system may include a canister body defining an inner chamber, a canister head portion coupled to the canister, and a coolant contained in the inner chamber. The coolant may include a mixture of 1,1,1,2-tetrafluoroethane (HFC-134a), 2,3,3,3-tetrafluoropropene (HFO-1234yf), pentafluoroethane (HFC-125), and difluoromethane (HFC-32). In other aspects, the coolant may include a mixture of difluoromethane (HFC-32), pentafluoroethane (HFC-125), 1,1,1,2-tetrafluoroethane (HFC-134a), 2,3,3,3-Tetrafluoroprop-1-ene (HFO-1234yf), and trans-1,3,3,3-Tetrafluoroprop-1-ene.
Claims20
A cryosurgery coolant delivery system, comprising:
- a canister body defining an inner chamber;
- a canister head portion coupled to the canister body and including a trigger actuator, an outlet, and an outlet channel in fluid communication with the outlet and the inner chamber of the canister body;
- and
- a coolant contained in the inner chamber, the coolant including a mixture of 1,1,1,2-tetrafluoroethane (HFC-134a), 2,3,3,3-tetrafluoropropene (HFO-1234yf), pentafluoroethane (HFC-125), and difluoromethane (HFC-32);
- wherein a percent concentration (w/w) of the coolant is about 25.7% 1,1,1,2-tetrafluoroethane (HFC-134a), about 25.3% 2,3,3,3-tetrafluoropropene (HFO-1234yf), about 24.7% pentafluoroethane (HFC-125), and about 24.3% difluoromethane (HFC-32).
A cryosurgery coolant delivery system, comprising:
- a canister body defining an inner chamber;
- a canister head portion coupled to the canister body and including a trigger actuator, an outlet, and an outlet channel in fluid communication with the outlet and the inner chamber of the canister body;
- and
- a coolant contained in the inner chamber, the coolant including a mixture of difluoromethane (HFC-32), pentafluoroethane (HFC-125), 1,1,1,2-tetrafluoroethane (HFC-134a), 2,3,3,3-Tetrafluoroprop-1-ene (HFO-1234yf), and trans-1,3,3,3-Tetrafluoroprop-1-ene;
- wherein a percent concentration (w/w) of the coolant is about 26.00% difluoromethane, about 26.00% pentafluoroethane, about 21.00% 1,1,1,2-Tetrafluoroethane, about 20.00% 2,3,3,3-tetrafluoroprop-1-ene, and about 7.00% trans-1,3,3,3-Tetrafluoroprop-1-ene.
A method of administering a coolant for cryosurgical applications, comprising:
- identifying a location of a patient's skin surface to be treated;
- actuating a trigger of a cryosurgery coolant delivery system, whereby an outlet of a head portion of the cryosurgery coolant delivery system sprays a coolant;
- and
- applying the coolant to the skin surface;
- wherein the coolant comprises:
- a mixture of 1,1,1,2-tetrafluoroethane (HFC-134a), 2,3,3,3-tetrafluoropropene (HFO-1234yf), pentafluoroethane (HFC-125), and difluoromethane (HFC-32) wherein a percent concentration (w/w) of the coolant is about 25.7% 1,1,1,2-tetrafluoroethane (HFC-134a), about 25.3% 2,3,3,3-tetrafluoropropene (HFO-1234yf), about 24.7% pentafluoroethane (HFC-125), and about 24.3% difluoromethane (HFC-32), or
- a mixture of difluoromethane (HFC-32), pentafluoroethane (HFC-125), 1,1,1,2-tetrafluoroethane (HFC-134a), 2,3,3,3-Tetrafluoroprop-1-ene (HFO-1234yf), and trans-1,3,3,3-Tetrafluoroprop-1-ene wherein a percent concentration (w/w) of the coolant is about 26.00% difluoromethane, about 26.00% pentafluoroethane, about 21.00% 1,1,1,2-Tetrafluoroethane, about 20.00% 2,3,3,3-tetrafluoroprop-1-ene, and about 7.00% trans-1,3,3,3-Tetrafluoroprop-1-ene.
Dependencies are inferred from the claim text.