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Patient monitor with magnetic disarming circuit

  • US 7,474,224 B2
  • Filed: 09/08/2005
  • Issued: 01/06/2009
  • Est. Priority Date: 09/08/2004
  • Status: Active Grant
First Claim
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1. A patient monitor with a magnetic disarming circuit, comprising:

  • an alarm housing having an alarm output and a magnetic key switch surface pad;

    an alarm circuit disposed within said alarm housing and including a magnetic key reset switch in proximity to said magnetic key switch surface pad;

    a power connector for connection to a power supply through a power cord;

    a reset button;

    a patient pressure pad electrically connected to said alarm housing; and

    a connector for bringing said patient pressure pad into electronic communication with said alarm circuit;

    wherein the alarm circuit is armed when a load is placed on said patient pressure pad, and wherein said alarm circuit is disarmed when a magnet is placed onto said magnetic key switch surface pad for a sufficient period of time, thereby tripping said magnetic key reset switch to selectively deactivate said alarm circuit.

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