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Electronic cuff to monitor blood pressure in polygraph instruments

  • US 4,441,504 A
  • Filed: 05/10/1982
  • Issued: 04/10/1984
  • Est. Priority Date: 05/10/1982
  • Status: Expired due to Fees
First Claim
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1. A non-invasive, non-pneumatic cuff for use in polygraph testing comprising a load cell, strain gauges on said load cell adapted to be connected to a polygraph instrument by a cable, a curved plate pivotally connected to said load cell, a combination screw and clutch to properly pressurize the plate and load cell against the arm of a subject to be examined, an arm band being adapted to secure said plate and load cell to the arm of the subject, said arm band having two ends, said load cell being provided with an end channel, one end of said arm band being securely anchored in said end channel.

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