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Method and system for providing safe patient monitoring in an electronic medical device while serving as a general-purpose windowed display

  • US 5,482,050 A
  • Filed: 02/17/1994
  • Issued: 01/09/1996
  • Est. Priority Date: 02/17/1994
  • Status: Expired due to Term
First Claim
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1. In an electronic medical device capable of providing services to executing programs in response to requests for services from executing programs, the requests for services specifying a service to be provided, a method for ensuring the integrity of an executing patient monitoring program while simultaneously providing services to an executing non-patient monitoring program, the method comprising the steps of:

  • executing the patient monitoring program;

    providing the service specified by each request for services from the executing patient monitoring program;

    executing the non-patient monitoring program; and

    declining to provide services as specified by requests for services from the executing non-patient monitoring program if provision of the service as specified would interfere with the executing patient monitoring program,wherein at least a portion of the requests for services from executing programs specify a window display service for displaying a window containing output from the requesting application, the displayed window having an area, and wherein, for these requests, the declining step is accomplished by the steps of;

    providing the window display service specified by the executing non-patient monitoring program;

    detecting an alarm condition; and

    upon detecting the alarm condition, if the displayed window has an area greater than a threshold area, reducing the area of the displayed window.

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