Functional Testers And Patient Simulators - Nellcor OXIMAX N-600X Series Service Manual

accuracy information for the oximeter with different Nellcor approved OxiMax pulse
oximetry sensors.
The OxiMax N-600x pulse oximeter uses the information in the OxiMax pulse
oximetry sensor, tailoring messages to better help the clinician troubleshoot client or
data issues. The sensor automatically identifies its sensor type to the oximeter when
attached. The oximeter determines the sensor type and recommended patient site
for each model.

Functional Testers and Patient Simulators

Some models of commercially available bench top functional testers and patient
simulators can be used to verify the proper functionality of OxiMax pulse oximetry
sensors, cables and oximeters. See the individual testing device's operator's manual
for the procedures specific to the model of tester being used.
While such devices may be useful for verifying that the pulse oximeter sensor,
cabling, and oximeter are functional, they are incapable of providing the data
required to properly evaluate the accuracy of a system's SpO
evaluating the accuracy of the SpO
accommodating the wavelength characteristics of the sensor and reproducing the
complex optical interaction of the sensor and the patient's tissue. These capabilities
are beyond the scope of known bench top testers. SpO
only be evaluated in vivo by comparing pulse oximeter readings with SaO
measurements obtained from simultaneously sampled arterial blood made using a
laboratory CO-oximeter.
Many functional testers and patient simulators have been designed to interface with
the pulse oximeter's expected calibration curves and may be suitable for use with
Nellcor oximeters and/or sensors. Not all such devices, however, are adapted for use
with the Nellcor OxiMax digital calibration system. While this will not affect use of the
simulator for verifying system functionality, displayed SpO
may differ from the setting of the test device. For a properly functioning oximeter,
this difference will be reproducible over time and from oximeter to oximeter within
the performance specifications of the test device.
Service Manual
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measurements requires, at a minimum,
2
10030881 Rev. B 12-2008
or call 1-800-674-3655
Functional Testers and Patient Simulators
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measurement values
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