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Ventilator Based On A Fluid Equivalent Of The "Digital To Analog Voltage" Concept

  • US 20110023879A1
  • Filed: 03/30/2009
  • Published: 02/03/2011
  • Est. Priority Date: 03/31/2008
  • Status: Abandoned Application
First Claim
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1. A method, comprising:

  • providing a ventilation system for receiving at least one input gas, the ventilation system comprising at least one valve bank to meter a flow of the at least one input gas and deliver an output gas to a patient, the at least one valve bank comprising a plurality of valves with each valve comprising a respective orifice;

    receiving a set of ventilation parameters;

    based on the set of ventilation parameters, determining, for each of a plurality of successive time intervals in an inspiration cycle, a respective plurality of operating states for selected valves in the at least one valve bank to provide the output gas, the output gas having at least one of a selected gas composition and flow trajectory;

    when an inspiration cycle is initiated, implementing, for each successive time interval, the determined operating states for the selected valves in the at least one valve bank.

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