Mindray Accutorr 7, Operator'S Manual

Page: 82 / 200

7 - 6 Accutorr 7 Operator’s Manual
7.5.7 Changing the Speed of Pleth Wave
In the [ SpO2 Setup ] menu, select [ Sweep ] and then select the appropriate setting. The
faster the waveform sweeps, the wider the waveform is.
7.5.8 Setting the Alarm Level for SpO
2
Sensor Off Alarm
In the [
SpO2 Setup
] menu, select [
SpO2SensorOff Lev.
] and then select the
appropriate setting.
7.6 Measurement Limitations
If the SpO
2
measurement seems out of range or inaccurate, check the patient's vital
signs. Then check the equipment and SpO
2
sensor. The following factors may influence
the accuracy of measurement:
■
Ambient light
■
Physical movement
■
Low perfusion
■
Electromagnetic interference, such as MRI environment
■
Electrosurgical units
■
Dysfunctional hemoglobin, such as carboxyhemoglobin (COHb) and
methemoglobin (MetHb)
■
Presence of certain dyes, such as methylene and indigo carmine
■
Inappropriate positioning of the SpO
■
2
sensor, or use of incorrect SpO
2
sensor
■
Drop of arterial blood flow to immeasurable
■
levels caused by shock, anemia, low temperature or vasoconstrictor.
7.7 Masimo Information
■
Masimo Patents
This device is covered under one or more the following U.S.A. patents: 5,758,644,
6,011,986, 6,699,194, 7,215,986, 7,254,433, 7,530,955 and other applicable patents listed
at: www.masimo.com/patents.htm.
■
No Implied License
Possession or purchase of this device does not convey any express or implied license to
use the device with unauthorized sensors or cables which would, alone, or in
combination with this device, fall within the scope of one or more of the patents relating
to this device.