Clinical thermometer
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United States of America Patent
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Oct 17, 1995
Grant Date -
N/A
app pub date -
Sep 16, 1993
filing date -
Sep 17, 1992
priority date (Note) -
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Abstract
A clinical thermometer for detecting an infrared ray radiated from a tympanic membrane eliminates thermometric errors caused by differences from one patient to another and variations in thermometric operations, to always perform stable, accurate thermometry. A clinical thermometer converts infrared radiation from a substantially tympanic membrane into an electrical signal to perform temperature detection, the thermometer including an almost cylindrical probe body. A constricted diameter portion formed at one end of the probe body can be inserted into an external auditory meatus and deformed so as to conform to a shape of the external auditory meatus. An infrared sensor incorporated in the constricted diameter portion is thereby arranged to receive radiation from the tympanic membrane.
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