Electronic clinical thermometer
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United States of America Patent
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May 3, 2005
Grant Date -
Dec 19, 2002
app pub date -
Jun 5, 2002
filing date -
Jun 18, 2001
priority date (Note) -
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Abstract
An electronic clinical thermometer has a probe including a variable-temperature heater and one or more temperature sensors and may also include a heat flux sensor. Physical variables such as temperature, time rate of change in temperature and/or heat flow rate are directly measured at positions on the surface of a patient while being heated by the heater through a thermally insulating member. Such measured values are used to solve a heat transfer equation rewritten as lower-order equations. Measurements may be controlled to be taken at a desired timing such as at specified intervals. The probe for contacting the patient's body may be planar or in an elongated bar-shape.
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