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1 Connect the four pin end of the ICP EXPRESS Cable, catalog no. 82-6636, to the
white connector on the Codman Microsensor ICP Transducer.
2 Line up the white indicator marks on the ICP EXPRESS Cable plug and ICP EXPRESS
Monitor front panel receptacle. Guide the plug into the receptacle until a visible
flick of the plug and an accompanying audible "click" occur. This confirms that the
connectors are fully mated and locked. (NOTE: To release the cable from the ICP
EXPRESS Monitor, grasp the plug near the white indicator arrow and twist one-
quarter turn clockwise while withdrawing.)
Zeroing the Transducer
Upon detection of a new transducer, the ICP EXPRESS Monitor will automatically
display instructions regarding the zero balancing procedure.
CAUTION: The Codman Microsensor must be zeroed at atmospheric pressure, prior
to implantation
CAUTION: The Codman Microsensor transducer tip must remain wet during the
zeroing process
1 Lay approximately three inches (7.6 cm) of the tip of the Codman Microsensor or
ventricular catheter flat in the marked well of the sterile blister. Pour sufficient
sterile water or saline into the well to just barely cover the Codman Microsensor
or ventricular catheter. CAUTION: Do not submerge the tip of the Codman
Microsensor or ventricular catheter vertically in a cup of sterile water or saline
Doing so will impose pressure on the transducer diaphragm that is higher than
atmospheric zero, resulting in an inaccurate zero reference value
2 While keeping the tip of the Codman Microsensor or ventricular catheter flat in the
sterile water or saline, press the
The message "TRANSDUCER ZEROING IN PROCESS (PLEASE WAIT)" will appear
on the ICP EXPRESS Monitor screen while the zeroing process takes place.
3 Upon successful completion of the zeroing process, the ICP EXPRESS Monitor will
display the Codman Microsensor's three digit zero reference value. Record the
displayed zero reference value on the Codman Microsensor connector housing
and on the patient's chart for future use
NOTE: When zeroing is complete, the Codman Microsensor's zero reference value is
automatically stored in the memory element embedded in the attached ICP EXPRESS
Cable. By storing the zero reference value in the cable, the user has the ability to move
the patient to a different ICP EXPRESS unit without having to manually adjust the
zero reference value on the new unit. This feature can only be utilized if the original
ICP EXPRESS Cable remains with the patient whenever he/she is moved to another
patient monitoring system. If the original cable does not remain with the patient,
the user will be required to manually adjust the zero reference value on the new ICP
EXPRESS Monitor to the zero reference value previously recorded on the Codman
Microsensor connector housing or the patient's chart.
4 I f the transducer zeroing process is unsuccessful, the message "TRANSDUCER
ZEROING ERROR" will appear. Verify that the tip of the Codman Microsensor or
ventricular catheter is still laying flat in the sterile water or saline, then press the
key to clear the error and reinitiate the zeroing process. Discontinue use if the
transducer zeroing error persists. Consult with appropriate technical personnel.
5 After recording the zero reference value on the Codman Microsensor connector
housing and the patient's chart, press the
6 The ICP EXPRESS Monitor is now in standard display mode. The Codman
Microsensor is now ready for placement.
Alarm Functions
Changing Alarm Limits
The HIGH ( ) and LOW ( ) mean ICP alarm limits have default values of 20 mmHg
and 0 mmHg, respectively. The following instructions describe the correct procedure
for changing these limits.
1 From the standard display mode, press the
screen.
2 Use the
or
keys to move the cursor to the SET ALARM LIMITS line,
then press the
key. The HIGH ( ) alarm limit will be displayed above the mean
ICP value.
key on the ICP EXPRESS Monitor front panel.
key to proceed.
key to bring up the main menu
3 Use the
or
keys to increase or decrease the displayed HIGH ( )
alarm limit to the desired value. Press the
alarm limit will be displayed above the mean ICP value.
4 Use the
keys to increase or decrease the displayed LOW ( )
or
alarm limit. Press the
key to enter the value and return to the standard display
mode.
NOTE: The HIGH ( ) and LOW ( ) alarm limits will reset to their original default
values (HIGH ( ) = 20 mmHg; LOW ( ) = 0 mmHg) whenever the ICP EXPRESS
Monitor power is turned OFF
Changing Alarm ON/OFF Status
1 From the standard display mode, press the
2 Use the
or
keys to position the cursor on the TURN ALARM ON or
TURN ALARM OFF line item.
3 Press the
key to enter the new alarm condition and return to the standard
display mode. The new alarm status will be displayed at the top center of the
screen.
Manual Functions
The following additional functions are available while ICP monitoring is in progress.
Adjusting the Transducer Zero Reference Value
The following instructions describe the procedure for manually adjusting the zero
reference value for the attached Codman Microsensor. CAUTION: The ICP EXPRESS
Monitor transducer zero reference value setting must only be adjusted manually
if the displayed value differs from the value recorded on the Codman Microsensor
connector housing or patient's chart
1 From the standard display mode, press the
2 Use the
or
keys to position the cursor on the MANUAL ZERO line,
then press the
key.
3 Use the
keys to position the cursor on the ADJUST REFERENCE
or
line, then press the
key.
4 Use the
or
keys to change the three digit zero reference value until
it matches the value recorded on the Codman Microsensor connector housing or
patient's chart.
5 Press the
key to enter the zero reference value and return to the standard
display mode. The new zero reference value is automatically updated in the internal
memory of the ICP EXPRESS Cable.
5
key to enter the value. The LOW ( )
key to bring up the main menu.
key to bring up the main menu.
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