Electronic clinical thermometer
AssigneeOMRON Corporation
InventorsMuneo Tokita, Satoshi Nakajima, Shigeru Makita
Life of this patent
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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.
Claims21
An electronic clinical thermometer comprising:
- a temperature measuring device for measuring temperature;
- a heater for heating the live body at a variable temperature of a live body;
- and
- an estimating circuit for estimating temperature inside said live body from said variable temperature of heating and temperatures measured at different times by said temperature measuring device.
An electronic clinical thermometer comprising:
- a temperature measure device for measuring temperature;
- a heater for heating the live body at a variable temperature of a live body;
- and
- an estimating circuit for estimating temperature inside a said live body from said variable temperature of heating, measured temperature obtained by said temperature measuring device while said live body is being heated by said heater and time-rates of change in said measured temperature.
An electronic clinical thermometer comprising:
- a temperature measuring device for measuring temperature;
- a heater for heating the live body at a variable temperature of a live body;
- a heat flux sensor and a thermally insulating member disposed between said heater and both said temperature measuring device and said heat flux sensor;
- and
- an estimating circuit for estimating temperature inside a said live body from said variable temperature of heating and measured values obtained by said temperature measuring device and said heat flux sensor while said live body is being heated by said heater.
Dependencies are inferred from the claim text.