Ventilation therapy device

A ventilation therapy device, comprising:

• a main machine for generating a therapeutic gas, having a main machine gas inlet and a main machine gas outlet;
• and
• a disinfection apparatus for generating a high-temperature disinfecting gas, the disinfection apparatus is communicated with the main machine gas inlet or the main machine gas outlet to introduce the high-temperature disinfecting gas into the main machine,
• wherein the disinfection apparatus comprises a first power unit, a heating unit, and a gas transfer unit, wherein the first power unit is configured to supply a gas to the gas transfer unit, the heating unit is arranged between the first power unit and the gas transfer unit to heat the gas to form the high-temperature disinfecting gas, and the gas transfer unit is communicated with the main machine,
• wherein the first power unit comprises a first fan having a first fan gas inlet and a first fan gas outlet;
• the gas transfer unit comprises a transfer case, which comprises a transfer cavity, a transfer case gas inlet and a transfer case gas outlet that are communicated with the transfer cavity, wherein the transfer case gas inlet is communicated with the first fan gas outlet, the transfer case gas outlet is communicated with the main machine gas outlet or the main machine gas inlet;
• the heating unit comprises a heating element, which is arranged on a communication passage between the first fan gas outlet and the transfer case gas outlet.