Patents Represented by Attorney David Edgeworth

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  • Oscillatory chest compression device
    Patent number: 5769797
    Abstract: An oscillatory chest compression device includes an oscillatory air flow generator and a positive air flow generator. A first feedback system controls the oscillation rate of the oscillatory air flow generator, and a second feedback system controls the peak pressure created by the positive air flow generator.
    Type: Grant
    Filed: June 11, 1996
    Date of Patent: June 23, 1998
    Assignee: American Biosystems, Inc.
    Inventors: Nicholas P. Van Brunt, Donald J. Gagne