ZOLL M Series User manual

ZOLL M SERIES SERVICE MANUAL
Invasive Blood
Pressure
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The issue date or revision level for this operation guide is shown on the front cover.
ZOLL and M Series are trademarks of ZOLL Medical Corporation.
2003 by ZOLL Medical Corporation. All rights reserved.

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Table of Contents
35() &( ,,,
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ZOLL Medical Corporation’s M Series Service Manual is intended for the service technician
who identifies malfunctions and makes repairs at the subassembly level. Place this insert
into the three-ring binder containing the M Series Service Manual and all other M Series
option inserts.
This document provides information required for maintenance of the Invasive Blood
Pressure (IBP) option on the M Series CCT unit, and contains the following sections:
Principles of Operation on page 1 — provides a general overview of IBP functionality.
Maintenance Tests on page 3 — describes procedures for verifying IBP operation and
integrity.
Disassembly Procedures on page 12 — describes the procedure for removing the IBP
assembly from the M Series CCT unit.
Replacement Parts on page 16 — lists the field-replaceable parts for the IBP option and
provides information on ordering replacement parts from ZOLL.
Troubleshooting on page 17 — describes error messages related to IBP functionality and
their corresponding corrective action.
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This M Series Service Manual insert uses the following conventions:
Note: Notes contain additional information on using and maintaining the M Series unit.
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For more information on M Series operation and configuration, see the following
documents:
•Invasive Blood Pressure insert (part number 9650-0219-01) of the M Series Operator’s Guide —
describes user tasks for operating the IBP option.
•M Series Operator’s Guide (part number 9650-0200-01) — describes user tasks for general
operation of the M Series unit.
•M Series Configuration Guide (part number 9650-0201-01) —describes M Series features and
functions whose operation can be customized by authorized users.
WARNING! Warning statements describe conditions or actions that can result in
personal injury or death.
CAUTION Caution statements describe conditions or actions that can result in damage
to the unit.

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Service technicians should review these safety considerations prior to servicing any
equipment and read the manual carefully before attempting to disassemble the unit. Only
qualified personnel should service the M Series unit.
Federal (U.S.A.) law restricts this unit for use by or on the order of a physician.
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Safety and effectiveness data submitted by ZOLL Medical Corporation to the Food and
Drug Administration (FDA) under section 510(K) of the Medical Device Act to obtain
approval to market is based on the use of ZOLL accessories such as disposable electrodes,
patient cables and batteries. The use of external pacing/defibrillation electrodes and
adapter units from sources other than ZOLL is not recommended.
ZOLL makes no representations or warranties regarding the performance or effectiveness
of its products when used in conjunction with pacing/defibrillation electrodes and adapter
units from other sources. If unit failure is attributable to pacing/defibrillation electrodes or
adapter units not manufactured by ZOLL, this may void ZOLL's warranty.
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All persons near the equipment must be warned to “STAND CLEAR” prior to discharging
the defibrillator.
Do not discharge the M Series unit’s energy internally more than three times in one minute
or damage to the unit may result.
Do not discharge a battery pack except in a Base PowerCharger4x4, a compatible ZOLL
Battery Charging/Testing unit, or an M Series unit.
Do not use the M Series unit in the presence of flammable agents (such as gasoline),
oxygen-rich atmospheres, or flammable anesthetics. Using the unit near the site of a
gasoline spill may cause an explosion.
Do not use the M Series unit near or within puddles of water.
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The M Series unit is protected against interference from radio frequency emissions typical
of two-way radios and cellular phones (digital and analog) used in emergency service/public
safety activities.
Users of the M Series should assess the unit’s performance in their typical environment of
use for the possibility of radio frequency interference from high-power sources. Radio
Frequency Interference (RFI) may be observed as shifts in monitor baseline, trace
compression, or transient spikes on the display.
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SHOCK HAZARD!
The M Series CCT unit can generate up to 2400 volts with
sufficient current to cause lethal shocks.

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For terms and conditions associated with your warranty, consult your purchasing agreement
(for customers in North America) or a ZOLL authorized representative (for customers
outside North America).
To maintain this warranty, the instructions and procedures contained in this manual must
be strictly followed. For more information, please contact ZOLL Medical Corporation’s
Technical Service Department at 1-800-348-9011 (North America). If calling from outside
North America, contact ZOLL Medical Corporation headquarters at 1-978-421-9655.
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If the M Series unit requires service, contact the ZOLL Technical Service Department:
Telephone: [phone]
1-978-421-9655
FAX: [phone]
When requesting service for the M Series unit, please provide the following information to
the Technical Service representative:
•unit serial number
•description of the problem
•department using the equipment
•sample chart recorder strips documenting the problem, if applicable
•purchase order to allow tracking of loan equipment
•purchase order for a unit with an expired warranty
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If you need to send the unit to ZOLL Medical Corporation for repair, you must obtain a
service request (SR) number from the Technical Service representative. Units are available
on loan while your unit is being repaired.
For customers ... Return the unit in its original container to ...
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The Invasive Blood Pressure (IBP) option on the M Series CCT unit allows for invasive
monitoring of arterial (ART), pulmonary arterial (PA), central venous (CV), and
intracranial (ICP) pressures on two channels. The M Series CCT unit displays systolic,
diastolic, and mean pressure measurements, and displays up to two IBP waveforms along
with one ECG trace.
The IBP/Temperature module resides in the lower housing assembly of the M Series CCT
unit. A transducer connects to the M Series CCT unit through one of two pressure channel
connectors on the front of the unit.
Figure 1-1: M Series with IBP option
You can assign labels to each pressure channel to indicate the type of pressure being
measured. You can also assign each IBP waveform to a trace position on the
M Series CCT display, and set the amplitude scale for displaying the waveform.
See the Invasive Blood Pressure insert of the M Series Operator’s Guide for details on operating
the IBP option.
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The M Series IBP function measures systolic, diastolic, and mean pressure by processing
electrical signals from a resistive bridge transducer with 5 µV/V/mmHg sensitivity
connected to the patient through a catheter.
Note: Transducers with 40 µV/V/mmHg sensitivity are NOT compatible with the
MSeriesCCTuni
t.
Pulsatile pressures (ART, PA, P1) display systolic, diastolic, and mean values. Non-pulsatile
pressures (CVP, ICP, P2) display mean values only.
PACER
RATE
ppm
PACER
OUTPUT
mA
PACER
CHARGER ON
OFF
MONITOR
DEFIB
1
3
SHOCK
4:1
LEAD
RECORDER
SIZE
ALARM
SUSPEND
SUMMARY CODE
MARKER NIBP
2
ANALYZE
CHARGE
ENERGY
SELECT
NIBP
107
128
98
SpO2%
98
ECG
x2 120
II
ECG
CO2
RR
100
24
mmHg
P1
110
mmHg
130
100
P2
mmHg
12
T1
99.1
°F
Param Traces Alarms12 Lead
ID#
00:01
P2
P1
0
120
0
180
mmHg
NIBP
T1/T2
P1 P2
P1 display area
IBP waveform display
P2 display area
IBP connectors

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When the M Series CCT unit detects a connection to a transducer through one or both of
the pressure channel connectors, the unit prompts the user to zero the pressure channel(s).
Pressure measurement does not begin until the pressure channels have been zeroed.
The IBP measurement cycle proceeds as follows:
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You can change default settings for IBP parameters such as pressure channel labels and
waveform display scale at power-up, and alarm thresholds. See the M Series Configuration
Guide for more information.
Stage Description
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It is important that users conduct the Operator’s Shift Checklist procedure at the beginning
of every shift to maintain the M Series unit ready for immediate use. This checkout
procedure can be completed in a few minutes and requires no additional test equipment.
See the M Series Operator’s Guide for the Operator’s Shift Checklist.
For the IBP option, a qualified biomedical technician should perform the following
maintenance procedures every six months to ensure that the M Series IBP function is
operating properly:
•“IBP Monitor Test” on page 5
•“IBP Noise Test” on page 7
•“IBP Static Pressure Test” on page 10
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Photocopy the checklist at the back of the M Series Service Manual and use the copy to record
the results of the maintenance tests. As you complete each step in a procedure, mark the
appropriate Pass/Fail/NA box, and keep the checklist for your maintenance file. Complete
all the steps of the procedure before evaluating the test results.
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Follow these steps to prepare the M Series CCT unit for the IBP maintenance tests.
Step Action Expected Result
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Select Enter Return
IBP
NIBP
EtCO2
SpO2
Zero Range Return
Label
Select Enter Return
Label P1
Label P2

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Step Action Expected Result
Select Enter Return
ART
PA
CVP
ICP
P1
P1
-----
mmHg
-----
-----
ART mmHg
-----
-----
-----

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The IBP monitor test verifies proper pressure channel zeroing and the accuracy of blood
pressure measurements.
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You need the following equipment to complete the IBP monitor test:
•M Series CCT unit with IBP option (with fully-charged battery installed)
•DNI Nevada 214B Patient Simulator (or equivalent) with M Series (or Protocol Propaq)
interface cables
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Before you begin the IBP monitor test:
•Set the IBP channel labels to P1 and ART respectively (see “Test set-up” on page 3
•Set the BP output sensitivity scale to 5 µV/V/mmHg on the Patient Simulator.
•Connect the Patient Simulator cables to the IBP connectors on the M Series CCT unit.
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Follow these steps to perform the IBP monitor test.
Note: These instructions apply to the DNI Nevada 214B Patient Simulator; for equivalent
devices, follow the manufacturer’s instructions.
Step Action Expected Result
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NIBP
----
-----
-----
SpO2%
-----
ECG x2 0
II
ECG
CO2
----
-----
-----
mmHg
P1
-----
mmHg
-----
-----
ART mmHg
-----
T1
-----
°F
mmHg
-----
-----
ZERO P1
Zero Range Return
Label

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7KH06HULHV&&7XQLWGLVSOD\VV\VWROLF
GLDVWROLFDQGPHDQSUHVVXUHYDOXHVIRUHDFK
SUHVVXUHFKDQQHOZLWKLQ VHFRQGV
5HFRUG\RXUUHVXOWVRQWKH0DLQWHQDQFH7HVWV&KHFNOLVW
Step Action Expected Result
Select Enter Return
Zero P1
Zero P2
Zero Both
NIBP
----
-----
-----
SpO2%
-----
ECG
x2 0
II
ECG
CO2
----
-----
-----
mmHg
P1
0
mmHg
0
0
ART mmHg
0
T1
-----
°F
mmHg
0
0
P1 ZEROED
P1
0
mmHg
0
0
ART
mmHg
0
0
0
P1
92
mmHg
119
78
ART mmHg
120
81
93

0DLQWHQDQFH7HVWV
5HY% =2//0 6HULHV6HUYLFH0DQXDO 
 ,%31RLVH7HVW
The IBP noise test verifies that there is no excessive noise in the blood pressure circuitry on
the M Series CCT unit.
5HTXLUHGHTXLSPHQW
You need the following equipment to complete the IBP noise test:
•M Series CCT unit with IBP option (with fully-charged battery installed)
•DNI Nevada 214B Patient Simulator (or equivalent) with M Series (or Protocol Propaq)
interface cables
%HIRUH\RXEHJLQ
Before you begin the IBP noise test:
•Set the IBP channel labels to P1 and ART respectively (see “Test set-up” on page 3
•Set the BP output sensitivity scale to 5 µV/V/mmHg on the Patient Simulator.
•Connect the Patient Simulator cables to the IBP connectors on the M Series unit.
3URFHGXUH
Follow these steps to perform the IBP noise test.
Note: These instructions apply to the DNI Nevada 214B Patient Simulator; for equivalent
devices, follow the manufacturer’s instruction.
Step Action Expected Result
24.1 =HURWKH,%3FKDQQHOVUHIHUWRVWHSV
WKURXJKRIWKH³,%30RQLWRU7HVW´RQ
SDJH IRUGHWDLOV
7KH06HULHV&&7XQLWFDOLEUDWHVERWK,%3
FKDQQHOVDJDLQVWDWPRVSKHULFSUHVVXUH
24.2 3UHVVWKH7UDFHVVRIWNH\RQWKHIURQWSDQHO
WRGLVSOD\WKH7UDFHVPHQX
7KH06HULHV&&7XQLWGLVSOD\VWKH7UDFHV
PHQX
24.3 6HOHFWWKH6HW7UDFHRSWLRQDQGSUHVVWKH
(QWHUVRIWNH\WRGLVSOD\WKH7UDFH2SWLRQV
PHQX
7KH06HULHV&&7XQLWGLVSOD\VWKH7UDFH
2SWLRQVPHQX
24.4 6HOHFWWKH3RSWLRQDQGSUHVVWKH(QWHU
VRIWNH\
7KH06HULHV&&7XQLWDVVLJQVWKH3
ZDYHIRUPWRWKHVHFRQGWUDFHGLVSOD\DUHD
DQGUHWXUQVWRWKHPDLQPHQX
24.5 5HSHDWVWHSVWKURXJKVHOHFWLQJ
WKH$57RSWLRQIRU7UDFH
7KH06HULHV&&7XQLWDVVLJQVWKH 57
ZDYHIRUPWRWKHWKLUGWUDFHGLVSOD\DUHDDQG
UHWXUQVWRWKHPDLQPHQX
Select Enter Return
3 Lead ECG
Set Trace 2
Set Trace 3
Select Enter Return
OFF
P1
P2
EtCO2
SpO2

,19 6,9(%/22'35(6685(
 ZZZ]ROOFRP 5HY%
24.6 *RWRWKH,%3PHQXSUHVVWKH3DUDP
VRIWNH\DQGVHOHFWWKH,%3RSWLRQ
7KH0 6HULHV&&7XQLWGLVSOD\VWKH,%3
PHQX
24.7 3UHVVWKH5DQJHVRIWNH\WRGLVSOD\WKH,%3
5DQJHPHQX
7KH0 6HULHV&&7XQLWGLVSOD\VWKH,%3
5DQJHPHQX
24.8 6HOHFWWKH35DQJHRSWLRQDQGSUHVVWKH
(QWHUVRIWNH\WRGLVSOD\WKH5DQJH2SWLRQV
PHQX
7KH0 6HULHV&&7XQLWGLVSOD\VWKH5DQJH
2SWLRQVPHQX
24.9 6HOHFWWKH PP+JRSWLRQDQGSUHVVWKH
(QWHUVRIWNH\
7KH06HULHV&&7XQLWGLVSOD\VWKH3
ZDYHIRUPRQD PP+JVFDOHDQGUHWXUQV
WRWKH,%3PHQX
24.10 5HSHDWVWHSVDQGIRUWKH 57
FKDQQHOVHOHFWLQJDUDQJHRI PP+J
7KH06HULHV&&7XQLWGLVSOD\VWKH 57
SUHVVXUHFKDQQHOZDYHIRUPRQD PP+J
VFDOHDQGUHWXUQVWRWKH,%3PHQX
24.11 2QWKH3DWLHQW6LPXODWRUVHW%3FKDQQHO
WRDVWDWLFSUHVVXUHRI PP+JZDYHIRUP
DQGSUHVV(;(&87(
7KH3DWLHQW6LPXODWRUWUDQVPLWVDVWDWLF
SUHVVXUHRI PP+JRQERWK%3FKDQQHOV
Step Action Expected Result
Zero Range Return
Label
Select Enter Return
P1 Range
P2 Range
Select Enter Return
0-300 mmHg
0-180 mmHg
0-120 mmHg
0-60 mmHg
0-30 mmHg
NIBP
107
128
98
SpO2%
98
ECG
x2 0
II
ECG
CO2
RR
100
24
mmHg
P1
20
mmHg
0
0
ART mmHg
0
T1
----
----
P1
0
30
0
30
mmHg
ART
00

0DLQWHQDQFH7HVWV
5HY% =2//0 6HULHV6HUYLFH0DQXDO 
24.12 2QWKH0 6HULHV&&7XQLWSUHVVWKH
5(&25'(5EXWWRQ
9HULI\WKDWWKHUHLVQRGHYLDWLRQIURPWKH
EDVHOLQHJUHDWHUWKDQ PPIRUWKH
ZDYHIRUPVSULQWHGRQVWULSFKDUW
7KH0 6HULHV&&7XQLWGLVSOD\VWKH
ZDYHIRUPVIRU PP+JRQWKHPRQLWRU
VFUHHQDQGSULQWVDVWULSFKDUWRIWKHWUDFHV
5HFRUG\RXUUHVXOWVRQWKH0DLQWHQDQFH7HVWV&KHFNOLVW
Step Action Expected Result

,19 6,9(%/22'35(6685(
 ZZZ]ROOFRP 5HY%
 ,%36WDWLF3UHVVXUH7HVW
The IBP static pressure test verifies the accuracy of both positive and negative static
pressure measurements.
5HTXLUHGHTXLSPHQW
You need the following equipment to complete the IBP static pressure test:
•M Series CCT unit with IBP option (with fully-charged battery installed)
•Fogg BP-28 Pressure Transducer Simulator (or equivalent)
%HIRUH\RXEHJLQ
Before you begin the IBP static pressure test:
•Set the IBP channel labels to P1 and ART respectively (see “Test set-up” on page 3
•Set the input and output resistance to 350 Ω on the Transducer Simulator, and set the
gain to x10.
•Connect the Transducer Simulator cable to the P1 connector on the M Series CCT unit.
3URFHGXUH
Follow these steps to perform the IBP static pressure test.
Note: These instructions apply to the Fogg BP-28 Pressure Transducer Simulator; for
equivalent devices, follow the manufacturer’s instructions.
Step Action Expected Result
25.1 2QWKH3UHVVXUH7UDQVGXFHU6LPXODWRUVHW
WKHSUHVVXUHSRODULW\WRSRVLWLYHDQGVHOHFW
DSUHVVXUHRI PP+J
7KH3UHVVXUH7UDQVGXFHU6LPXODWRUWUDQVPLWV
DVWDWLFSRVLWLYHSUHVVXUHRI PP+J
25.2 =HURSUHVVXUHFKDQQHOUHIHUWRVWHSV
WKURXJKRIWKH³,%30RQLWRU7HVW´RQ
SDJH DQGVHOHFWWKH=HUR3RSWLRQ
7KH06HULHV&&7XQLWFDOLEUDWHVSUHVVXUH
FKDQQHO DJDLQVWDSRVLWLYHSUHVVXUHRI
 PP+JDQGGLVSOD\VWKH3 =(52('
PHVVDJH
25.3 2QWKH3UHVVXUH7UDQVGXFHU6LPXODWRU
VHOHFWDSRVLWLYHSUHVVXUHRI PP+J
7KH3UHVVXUH7UDQVGXFHU6LPXODWRUWUDQVPLWV
DVWDWLFSRVLWLYHSUHVVXUHRI PP+J
25.4 2QWKH0 6HULHV&&7XQLWYHULI\WKDWWKH
YDOXHGLVSOD\HGIRUWKH3SUHVVXUHFKDQQHO
LVLQWKHUDQJHRI   PP+J
7KH06HULHV&&7XQLWGLVSOD\VWKHSRVLWLYH
VWDWLFSUHVVXUHYDOXHIRUWKHILUVWSUHVVXUH
FKDQQHO3ZLWKLQ VHFRQGV
25.5 &RQQHFWWKH3UHVVXUH7UDQVGXFHU6LPXODWRU
WRWKHVHFRQG,%3FKDQQHOFRQQHFWRU3
DQGUHSHDWVWHSVDQGIRUWKH 57
FKDQQHO
:LWKLQ VHFRQGVWKH06HULHV&&7XQLW
GLVSOD\VWKHSRVLWLYHVWDWLFSUHVVXUHYDOXHIRU
WKHVHFRQGSUHVVXUHFKDQQHO 57ZLWKLQ
 VHFRQGV
P1
295
mmHg
295
295
ART mmHg
298
298
298

0DLQWHQDQFH7HVWV
5HY% =2//0 6HULHV6HUYLFH0DQXDO 
25.6 &RQQHFWWKH3UHVVXUH7UDQVGXFHU6LPXODWRU
WRWKHILUVW,%3FKDQQHOFRQQHFWRU3
25.7 2QWKH3UHVVXUH7UDQVGXFHU6LPXODWRUVHW
WKHSUHVVXUHSRODULW\WRQHJDWLYHDQGVHOHFW
DSUHVVXUHRI PP+J
7KH3UHVVXUH7UDQVGXFHU6LPXODWRUWUDQVPLWV
DVWDWLFQHJDWLYHSUHVVXUHRI PP+J
25.8 =HURWKHSUHVVXUHFKDQQHOUHIHUWRVWHSV
WKURXJKRIWKH³,%30RQLWRU7HVW´
RQSDJH DQGVHOHFWWKH=HUR3RSWLRQ
7KH06HULHV&&7XQLWFDOLEUDWHVWKH
SUHVVXUHFKDQQHODJDLQVWDQHJDWLYHSUHVVXUH
RI PP+JDQGGLVSOD\VWKH3 =(52('
PHVVDJH
25.9 2QWKH3UHVVXUH7UDQVGXFHU6LPXODWRU
VHOHFWDQHJDWLYHSUHVVXUHRI PP+J
7KH3UHVVXUH7UDQVGXFHU6LPXODWRUWUDQVPLWV
DVWDWLFQHJDWLYHSUHVVXUHRI PP+J
25.10 2QWKH0 6HULHV&&7XQLWYHULI\WKDWWKH
YDOXHGLVSOD\HGIRUWKH3SUHVVXUHFKDQQHO
LVLQWKHUDQJHRI WR  PP+J
7KH06HULHV&&7XQLWGLVSOD\VWKHVWDWLF
QHJDWLYHSUHVVXUHYDOXHIRUWKHILUVWSUHVVXUH
FKDQQHO3ZLWKLQ VHFRQGV
25.11 &RQQHFWWKH3UHVVXUH7UDQVGXFHU6LPXODWRU
WRWKHVHFRQG,%3FKDQQHOFRQQHFWRU3
DQGUHSHDWVWHSVDQGIRUWKH
VHFRQGSUHVVXUHFKDQQHO
7KH06HULHV&&7XQLWGLVSOD\VWKHQHJDWLYH
VWDWLFSUHVVXUHYDOXHIRUWKHVHFRQGSUHVVXUH
FKDQQHO 57ZLWKLQ VHFRQGV
5HFRUG\RXUUHVXOWVRQWKH0DLQWHQDQFH7HVWV&KHFNOLVW
Step Action Expected Result
P1
-50
mmHg
-50
-50
ART mmHg
-49
-49
-49

,19 6,9(%/22'35(6685(
 ZZZ]ROOFRP 5HY%
'LVDVVHPEO\3URFHGXUHV
The IBP/Temperature module resides in the lower housing assembly of the M Series CCT
unit. This section describes the following procedure:
•“Disassembling the IBP module” on page 12
For instructions on removing the lower housing assembly from the M Series CCT unit or
on replacing the multi-parameter interface cable, see the Non-Invasive Blood Pressure insert
(part number 9653-0455-01) of the M Series Service Manual.
Only properly trained technicians should service the M Series CCT unit. Ensure that you
take the appropriate safety precautions before disassembling any part of the M Series CCT
unit.
In addition:
•Wear a conductive wrist strap that touches your skin and is connected to a grounding
mat and to an earth ground when working with static-sensitive units. Remove the wrist
strap when you discharge high voltage or when you are working on energized
equipment.
'LVDVVHPEOLQJWKH,%3PRGXOH
The IBP/Temperature module resides in the lower housing assembly of the M Series CCT
unit, and connects to the M Series main system board through the multi-parameter
interface cable.
5HTXLUHGWRROV
You need the following tools to disassemble the IBP/Temperature module:
•#2 Phillips screwdriver
•small pliers
•small wood stick
•Exacto knife
•anti-static wrist strap
:DUQLQJ
SHOCK HAZARD!
Take necessary precautions to guard against shock or injury before
conducting defibrillator tests or repairs. The M Series CCT unit
can contain lethal voltages even when turned off.