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Method and apparatus for detecting artifacts in a blood pressure measuring system

  • US 5,343,868 A
  • Filed: 03/26/1993
  • Issued: 09/06/1994
  • Est. Priority Date: 04/02/1992
  • Status: Expired due to Term
First Claim
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1. A method for detecting artificial artifacts in a blood pressure measuring system comprising the steps of:

  • obtaining a time sequence of samples representative of the actual blood pressure of a being,calculating a short-term mean value based on preceding values of the blood pressure,comparing at least one of said samples of said time sequence with said mean value,repeating said step of comparing for a period of time,indicating an artificial artifact if substantially all of said comparisons reveal that the samples exceed said mean value, andinhibiting said indicating step if pulsations is detected.

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