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Closed loop control system for a high frequency oscillation ventilator

  • US 20070215154A1
  • Filed: 03/15/2006
  • Published: 09/20/2007
  • Est. Priority Date: 03/15/2006
  • Status: Active Grant
First Claim
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1. A control system for a high frequency oscillating ventilator (HFOV) having a reciprocating piston and being connectable to a patient for providing airway pressure thereto, the control system comprising:

  • an oscillator controller comprising a pair of closed loop control circuits including an oscillator pressure loop and a centering loop collectively adapted to regulate frequency and amplitude of piston reciprocations and centering of the piston; and

    a mean airway pressure (MAP) controller comprising a closed loop control circuit adapted for regulating MAP at the patient.

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