Medical Tubes For A Breathing Circuit

Abstract: This disclosure relates to a medical tube for humidified gas; comprising first and second tube segments each having a heater wire. The electrical power used by the second heater wire can be determined by a property of the first heater wire and/or second heater wire. The disclosure relates to a medical tube comprising multiple tube segments that are configured to provide different levels of heating. The tube heaters are controlled by a single controller, and only one tube segment is directly electrically connected to the controller such that the downstream tube segment only receives electrical power via the upstream tube segment. The ratio of the power delivered to the first tube segment and to the second tube segment can be configured by one or more characteristics of one or both tube segments.

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