by mixing different fluids, one of them being in a liquid phase

Full Title

Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators (iron lungs A61H31/02); Tracheal tubes > Preparation of respiratory gases or vapours > by mixing different fluids, one of them being in a liquid phase

Child Classifications

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• A61M 16/142
• A61M 16/147
• A61M 16/16 Devices to humidify the respiration air
• A61M 16/18 Vaporising devices for anaesthetic preparations