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Method for determining blood pressure

  • US 4,926,874 A
  • Filed: 01/30/1989
  • Issued: 05/22/1990
  • Est. Priority Date: 11/25/1985
  • Status: Expired due to Fees
First Claim
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1. A method for determining the blood pressure of a test specimen, the steps of the method including:

  • providing a blood pressure recorder system having an inflatable cuff in flow communication with a pressurized gas source, the blood pressure recorder system including;

    a three-way inflation valve in flow communication with the inflatable cuff and the pressurized gas source;

    a pressure sensor having only two chambers with each chamber having a pressure responsive member;

    means, responsive to the sensor, for operating the inflation valve;

    a conduit connecting the pressurized gas directly from the pressurized gas source to one chamber of the pressure sensor; and

    a flow restricted conduit connecting the pressurized gas from the pressurized gas source to the other chamber of the pressure sensor whereby the pressure sensor facilitates deflation of the cuff when a predetermined small gas pressure remains in the cuff for a predetermined time period;

    attaching the cuff to the test specimen in an operable manner; and

    employing the blood pressure recorder system to determine the blood pressure of the test specimen.

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