Nellcor OxiMax N-595 Operator's Manual page 156

Principles of Operation
troubleshooting codes, and error detection data. This unique oximetry
architecture enables development of new sensors as well as several
new features with the
O M sensor N-595.
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When an O M sensor is connected to the N-595, the pulse
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oximeter will first reads the information in the O M sensor
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memory chip, checks it to make sure that there are no errors, and then
loads the data to begin monitoring. As the pulse oximeter reads the
information, it displays the O M sensor model number. This
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process only takes a couple of seconds. The O M sensor model
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number disappears after 5 seconds.
Pulse oximeters containing O M technology, including the N-595,
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use calibration data contained in the O M sensor in calculating the
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patient's SpO . Consult the O M sensor accuracy grid card
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included with the pulse oximeter for specific accuracy information for
the N-595 with different Nellcor O M sensors.
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The N-595 uses the information in the O M sensor to tailor
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troubleshooting messages for the clinician. The O M sensor
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contains coding that tells the pulse oximeter what kind of O M
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sensor is being used. When deciding what messages to display, the
pulse oximeter takes into account the O M sensor type and
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recommended patient site for that model.
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