A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 16/16 (2006.01) A61M 16/10 (2006.01) A61M 15/00 (2006.01)
Patent
CA 2067677
A portable, battery-operated (e.g. 12v.) electronic heater/humidifier is provided for hypothermia treatment. This heater/humidifier includes the combination of a casing provided with a flow path between an air inlet and an air outlet providing a one-way-flow airway system. A two-compartment, serially-connected heat exchanger is also included, the heat exchanger comprising a first compartment loaded with a tangled mass of high heat conductivity material, and a second component containing electric heater means and also loaded with water-wet porous, hydrophilic batts, for wicking up warm water into the path of warm air which has been heated by such electric heater means. An inhalate thermal sensor is located within the air stream of the air outlet, for continuously monitoring the temperature of that air stream. A heater control is also provided, the heater control including a high-limit thermal sensor to control the heating power to the heaters, dependent on the temperature sensed by the inhalate thermal sensor.
Douwens Robert
Hayward John S.
Bull Housser & Tupper Llp
University Of Victoria
LandOfFree
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