System for indicating the expiration of the useful operating life of a pulse oximetry sensor
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United States of America Patent
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Feb 4, 2003
Grant Date -
Nov 29, 2001
app pub date -
Feb 10, 2000
filing date -
Aug 26, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A system and a method monitor the useful and safe life of a pulse oximetry sensor. According to one embodiment, the system includes a sensor having a timer and a sensor life indicator. The sensor life indicator may advantageously include a visual alarm, an audio alarm, a vibrational alarm, a power down function, or the like. According to another embodiment, the system includes a sensor having a memory device storing a unique identifier. According to another embodiment, the system employs the oximeter for aspects of the timer or sensor life indicator.
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