×

Capnograph system with integral controller

  • US 20040236242A1
  • Filed: 05/22/2003
  • Published: 11/25/2004
  • Est. Priority Date: 05/22/2003
  • Status: Abandoned Application
First Claim
Patent Images

1. A capnograph system sensor head comprising:

  • an airway adapter;

    a housing for receiving the airway adapter;

    a source of radiation coupled to the housing for directing radiation through the airway adapter;

    a detector subsystem coupled to the housing and responsive to the radiation after it passes through the airway adapter for providing an analog output; and

    a circuit sub-assembly integrated with the sensor head, the circuit sub-assembly including a controller responsive to the analog output of the detector subsystem, the controller configured to adjust the gain of the detector subsystem and configured to output a digital signal representative of the amount of a particular gas flowing through the airway adapter.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×