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Touch free tympanic thermometer

  • US 4,191,197 A
  • Filed: 03/14/1978
  • Issued: 03/04/1980
  • Est. Priority Date: 03/14/1978
  • Status: Expired due to Term
First Claim
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1. Method for obtaining the temperature of the tympanic membrane comprising passing heated air of a temperature close to tympanic temperature onto a tympanic membrane, whence it returns with the temperature of that membrane, returning said air through a separated path from said heated air, measuring the temperature of the air in said separated path.

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