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Portable drag compressor powered mechanical ventilator

  • US 20020005197A1
  • Filed: 08/21/2001
  • Published: 01/17/2002
  • Est. Priority Date: 10/14/1994
  • Status: Active Grant
First Claim
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1. A rotary drag compressor ventilator device for ventilating the lungs of a mammalian patient, said device comprising:

  • A. a rotary drag compressor comprising;

    i. a housing having a gas inflow passageway and a gas outflow passageway;

    ii. a rotor mounted within said housing, said rotor having a multiplicity of blades formed circularly therearound such that, when said rotor is rotated in a first direction, said blades will compress gas within said housing and expel said compressed gas out of said outflow passageway;

    iii. a motor coupled to said compressor for rotating said rotor within said compressor housing; and

    B. a controller apparatus to intermittently accelerate and decelerate the rotation of said rotor so as to deliver discrete periods of inspiratory gas flow through said outflow passageway.

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