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Selecting limit values in particular for patient monitoring systems

  • US 6,241,661 B1
  • Filed: 08/05/1999
  • Issued: 06/05/2001
  • Est. Priority Date: 08/07/1998
  • Status: Expired due to Term
First Claim
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1. An apparatus for selecting a limit value from a range of limit values dependent on a starting value, whereby the selected limit value is applicable in a system for monitoring a physiological parameter for providing a signal when a monitored value of the physiological parameter exceeds the selected limit value, wherein, for at least one first range of starting values a value of the limit remains substantially constant over the first range of starting values, and for a second range of starting values the value of the limit varies as a function of the value of the starting value over the second range of starting values.

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