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Infrared medical thermometer

  • US 4,993,424 A
  • Filed: 12/04/1989
  • Issued: 02/19/1991
  • Est. Priority Date: 12/04/1989
  • Status: Expired due to Term
First Claim
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1. Infrared medical thermometer comprising:

  • a housing adapted to be held in a user'"'"'s hand;

    an elongated probe adapted to be inserted into a patient'"'"'s ear canal to receive infrared radiation and provide a signal indicating the patient'"'"'s body temperature;

    extension/retraction means for selectively extending the elongated probe to an operative position outside the housing when a patient'"'"'s temperature is to be measured and for selectively retracting the elongated probe to an inoperative position fully within the housing when the measurement has been completed; and

    probe cover means for positioning a protective cover in alignment with the elongated probe while the probe is retracted within the housing such that, when the extension/retraction mean selectively extends the probe to its operative position, the protective cover is automatically placed over the probe.

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