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Variable aperture sensor

  • US 20060258922A1
  • Filed: 03/21/2006
  • Published: 11/16/2006
  • Est. Priority Date: 03/21/2005
  • Status: Active Grant
First Claim
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1. 1. A pulse oximetry sensor comprising:

  • a first jaw;

    an emitter disposed in said first jaw;

    a second jaw rotatably attached to said first jaw;

    a detector disposed in said second jaw; and

    a variable aperture disposed in said second jaw, said jaws adapted to attach to a tissue site so that said emitter transmits optical radiation into said tissue site and said detector receives optical radiation through said variable aperture after absorption by said tissue site, said variable aperture configured to adjust the amount of said optical radiation received by said detector.

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