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Anesthetic metering system

  • US 7,066,913 B2
  • Filed: 03/20/2002
  • Issued: 06/27/2006
  • Est. Priority Date: 04/28/2001
  • Status: Expired due to Fees
First Claim
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1. An anesthetic metering system comprising:

  • an anesthesia apparatus with a mounting element a metering line having a connection to a respiration system with a breathing gas flow, having breathing gas flowing therein, the metering line being connected to the breathing gas flow passage for metering anesthetic thereto;

    an anesthetic reservoir with a liquid anesthetic reserve limited by a flexible material wall;

    a propellant applying pressure acting on the liquid anesthetic reserve via the flexible material wall material;

    a first valve element connected to the anesthetic reservoir and in flow connection with the liquid anesthetic reserve, the first valve element being insertable into said anesthesia apparatus mounting element; and

    a volumetric nozzle connected to the metering line for the metered release of the liquid anesthetic to the anesthesia apparatus breathing gas flow passage.

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