Nihon Kohden Corporation ZB-102AA 사용자 설명서
3. EEG/PSG MEASUREMENT
3.24
Operator's Manual WEE-1000
5.
Select the pattern. You can select the pattern (montage and amplifier settings
including sensitivity, high-cut filter, time constant, etc.) for the measurement
with the Pattern dialog box. You can program the pattern for the measurement
in the System Program. For the detailed pattern settings, refer to
"Programming Pattern” in Section 4 of the operator’s manual of the
electroencephalograph.
6.
Check the skin-electrode contact impedance for disk electrodes.
When using the EEG disk electrodes, clean the measurement sites with a cotton
swab moistened with alcohol or SkinPure (skin preparation gel) to reduce the
skin-electrode contact impedance to less than 5 k
Ω.
WARNING
Do not check the skin-electrode contact impedance when using a
needle electrode or intracranial electrode. Failure to follow this
warning injures the patient because these electrodes will be
damaged by electrolyzation inside the body.
NOTE
• The Z, C3 and C4, A1 and A2 electrodes must be attached to the
patient. Otherwise, the impedance check result may be incorrect.
The instrument checks the skin-electrode impedance for the following
electrodes.
• When calibration waveforms are displayed, the electrodes that are included
in all patterns are checked.
• When the EEG waveforms are displayed, the electrodes that are included in
the currently selected pattern are checked.
On the telemetry unit:
1) Select “IP” by pressing the FUNCTION key.
2) Press the START/OK key The impedance check result is displayed on
LCD display. The electrode number that exceeds the threshold level and
its impedance are displayed. You can display the next electrode impedance
check result by pressing the FUNCTION key.
To change the impedance threshold, press the MARK/k
Ω key. Every time
the MARK/k
Ω key is pressed the threshold changes as follows:
50
→ 20 → 10 → 5 → 2 kΩ
3) Press the START/OK key to end the impedance check
Pattern dialog box