The Patent (US5331549)
The essence of the patent is pretty straightforward: a supervisory system that monitors vital signs and provides visual representation of multiple inputs for multiple patients. The graphic presentations and alarms are governed by a set of notification states that take into account both patient status and sign inputs.
The most relevant parts of the patent, with respect to current wireless and large-scale systems, are the ability to display warnings on a map and grade those warnings according to patient status as well as raw vital signs.
The abstract and first claim are included below, and the entire patent can be viewed on the web at the United States Patent and Trademark Office web site.
We are also more than happy to mail a hard copy if requested.
A medical monitoring system in which a plurality of vital signs monitors for a plurality of patients provide data on a continuing basis to a central server which in turn provides supervisory screen display that indicates the normal status or varying levels of alarm status of individual patients. The system permits an overview display of a floor and also provides a zoom-in display of an individual site patient together with an indication of a limited number of vital signs and a warning alarm signal when any one or more vital signs is outside of a first warning set of predetermined limits or a more critical alarm set of predetermined limits.
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