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Airway indicator device

  • US 5,620,004 A
  • Filed: 10/23/1995
  • Issued: 04/15/1997
  • Est. Priority Date: 10/23/1995
  • Status: Expired due to Fees
First Claim
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1. A method for determining a presence of an impaired lung within an intubated patient comprising the steps of:

  • (a) inserting an endotracheal tube into the patient'"'"'s airway;

    (b) presenting a sound generator operable for generating an audible sound;

    (c) attaching a means for vibrationally coupling the audible sound generated by the sound generator into the patient'"'"'s airway to the endotracheal tube;

    (d) activating the sound generator thereby causing production of an audible sound; and

    (e) measuring intensity of the audible sound conducted to the chest wall, the intensity of the sound providing a measure of the impairment.

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