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Portable single patient use carbon dioxide detector

  • US 6,502,573 B1
  • Filed: 11/15/2001
  • Issued: 01/07/2003
  • Est. Priority Date: 11/15/2001
  • Status: Active Grant
First Claim
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1. A carbon dioxide (CO2) detector for use with a cardiopulmonary resuscitator (CPR) device, the CO2 detector comprising:

  • a top housing containing an inhale/exhale port connected to a CPR device, the top housing having a bore for receipt of a support for a clear plastic disc overlaying a chemically treated calorimetric indicator paper;

    the indicator paper being partially covered with a backing paper prior to use, the backing paper protruding through a slot in the support and being removed by pulling on the protruding backing paper to fully expose the indicator paper;

    a sealing ring juxtaposed to a bottom outer surface of the disc to seal the slot after removal of the backing paper; and

    a bottom housing attached to the top housing, the bottom housing having a port for connection by a tube to a patient'"'"'s trachea.

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