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Re-Zeroing the Patient Monitor
The following instructions describe the procedure for manually re-zeroing the patient
monitor.
1 From the standard display mode, press the
front panel.
2 Wait for the external patient monitor display to stabilize. If the monitor displays
a value other than 0 mmHg, proceed to zero balance the patient monitor per the
monitor manufacturer's instructions. CAUTION: Discontinue use if the patient
monitor cannot be properly zeroed to the ICP EXPRESS Monitor Consult with
appropriate technical personnel
3 Press the
key to resume patient monitoring.
Re-Calibrating the Patient Monitor
The following instructions describe the procedure for manually re-calibrating the
patient monitor.
1 Press the
or the
key on the ICP EXPRESS Monitor front panel.
2 If the
is selected, verify that the patient monitor displays exactly 20 mmHg If
key is selected, verify that the patient monitor displays 98 to 102 mmHg
the
There can be a short delay (10–15 seconds) before the patient monitor display
stabilizes. If the patient monitor does not display the correct value, refer to the
monitor manufacturer's instructions for information on how to adjust the pressure
channel calibration or gain (some patient monitors do not have this feature).
CAUTION: Discontinue use if the patient monitor cannot be properly calibrated to
the ICP EXPRESS Monitor Consult with appropriate technical personnel
3 Press the
key to resume patient monitoring.
Changing System Components During Monitoring
The following procedures must be followed whenever any component
of the original ICP patient monitoring system (i.e., ICP EXPRESS Monitor, ICP EXPRESS
Cable, patient monitor) is changed or substituted while patient monitoring is in
progress.
Switching to a New Patient Monitor
The following instructions describe the procedure for switching the ICP EXPRESS
Monitor to a new patient monitor while patient monitoring is in progress (Example:
ICP EXPRESS Monitor was originally set-up with a patient monitor in the operating
room. Patient is now being moved to the intensive care unit where the ICP EXPRESS
Monitor must be connected to a new patient monitor).
1 Disconnect the Codman Patient Monitor Interface Cable from the original patient
monitor.
2 If the original Patient Monitor Interface Cable is not compatible with the new
patient monitor (i.e., the new patient monitor is of different make and model from
the original patient monitor) disconnect the cable from the rear panel of the ICP
EXPRESS Monitor and replace it with the appropriate compatible cable. CAUTION:
Use Codman Patient Monitor Interface Cables only with the patient monitor for
which they are specifically designed and designated
3 Verify that the sensitivity selection switch on the rear panel of the ICP EXPRESS
Monitor is set to the correct position, according to the sensitivity of the new
patient monitor. The sensitivity is preset to the 5 μV position at the time of
manufacture. CAUTION: The rear panel sensitivity selection switch must be set
in the appropriate position prior to connecting to the patient monitor Do not
adjust the sensitivity selection switch while connected to a patient monitor, as
inaccurate pressure readings can result
4 Connect the Patient Monitor Interface Cable to the appropriate pressure channel
input on the new patient monitor.
5 Follow the instructions for Zeroing and Calibrating the new patient monitor as
previously described in the Operating Instructions section.
key on the ICP EXPRESS Monitor
Switching to a New ICP EXPRESS Unit
The following instructions describe the procedure for switching the patient to a
new ICP EXPRESS unit while patient monitoring is in progress (Example: Patient was
originally set-up with an ICP EXPRESS unit in the operating room. Patient is now
being moved to the intensive care unit where the original ICP EXPRESS Monitor will
be exchanged with a new unit dedicated to the ICU).
1 Disconnect both the Patient Monitor Interface Cable and the ICP EXPRESS Cable
from the front and rear panel receptacles of the original ICP EXPRESS Monitor.
2 Reconnect both cables to the new ICP EXPRESS Monitor. If the ICP EXPRESS
Monitor is also being connected to a new patient monitor, verify that the Patient
Monitor Interface Cable is appropriate for the new patient monitor.
3 Follow the instructions for Zeroing and Calibrating the patient monitor as
previously described in the Operating Instructions section.
4 The new ICP EXPRESS Monitor will prompt the user to ACCEPT or ADJUST the zero
reference value stored in the attached ICP EXPRESS Cable. Compare the three digit
zero reference value displayed on the screen with the value previously recorded
on the Codman Microsensor connector housing or the patient's chart (the zero
reference values must match if the original ICP EXPRESS Cable has remained with
the patient).
If the values do match, position the ICP EXPRESS Monitor screen cursor on the
ACCEPT REFERENCE option and press the
5 If the displayed zero reference value does not match the zero reference value
previously recorded on the Codman Microsensor housing or the patient's
chart, move the ICP EXPRESS Monitor screen cursor to the ADJUST REFERENCE
option and press the
key. Use the
zero reference value to match the zero reference value recorded on the Codman
Microsensor housing or the patient's chart, then press the
reference value. The new zero reference value is automatically updated in the ICP
EXPRESS Cable memory.
Switching ICP EXPRESS Cables
Integra LifeSciences recommends that the ICP EXPRESS Cable used during the
original transducer zeroing procedure remain with the patient at all times. However,
if replacement of the original cable is necessary, the following procedure must be
followed:
1 Unplug the original ICP EXPRESS Cable from the Codman Microsensor
and ICP EXPRESS Monitor. The ICP EXPRESS Monitor will display the message "NO
TRANSDUCER DETECTED (CHECK CONNECTIONS) "
2 Connect the new ICP EXPRESS Cable to the Codman Microsensor and ICP EXPRESS
Monitor. CAUTION: Verify ICP EXPRESS Cable integrity prior to use Do not
use any cable that fails to meet the pin-to-pin resistance or electrical leakage
specifications
3 If connected to a patient monitor, the ICP EXPRESS Monitor will prompt the user to
Zero and Calibrate the patient monitor as described in the Operating Instructions
section.
4 The ICP EXPRESS Monitor will prompt the user to ACCEPT or ADJUST the zero
reference value as read from the newly attached ICP EXPRESS Cable. Since this
is a new ICP EXPRESS Cable, the displayed zero reference value will not match
the zero reference value recorded on the Codman Microsensor housing or the
patient's chart. To adjust the zero reference value, move the cursor to the ADJUST
REFERENCE line and press the
zero reference value to match the zero reference value recorded on the Codman
Microsensor housing or patient's chart, then press the
reference value and proceed patient monitoring.
6
key to proceed.
or
keys to adjust the displayed
key to enter the zero
or
keys to adjust the
key. Use the
key to enter the zero
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