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Automatic identification of cuff size in automated blood pressure monitors

  • US 4,501,280 A
  • Filed: 04/06/1983
  • Issued: 02/26/1985
  • Est. Priority Date: 04/06/1983
  • Status: Expired due to Term
First Claim
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1. In an automatic blood pressure monitoring system for monitoring both neonatal and adult patients with a single monitor, a method of automatically detecting use of a neonatal cuff comprising the steps of:

  • (a) inflating said cuff to a predetermined pressure;

    (b) coupling an acoustic pulse from said monitor to said cuff;

    (c) detecting return of said acoustic pulse to said monitor from said cuff;

    (d) measuring the time duration of propagation of said pulse;

    (e) comparing said measured duration with a predetermined reference threshold; and

    (f) commencing neonatal monitoring if said measured duration has a predetermined relationship with said threshold.

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