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User's Manual
SERVO-i/s
Cleaning and Maintenance

TABLE OF CONTENTS
4|Introduction
1
7|Routine cleaning
2
26|Maintenance
3
SERVO-i/s, User's Manual
Infologic 1.45 3
| TABLE OF CONTENTS |

1 Introduction
Table of contents
5|Introduction1.1
5|General information1.2
5|Symbols1.3
5|Warning, Caution, Important and Note1.4
4SERVO-i/s, User's Manual
| 1| Introduction |

1.1 Introduction
Unless otherwise stated, the information in
this User´s Manual is valid for all SERVO-i/s
Ventilator Systems.
Here you will find the information needed to
clean and maintain the SERVO-i/s systems
safely.The manual is divided into three
sections:
•Introduction (mandatory information)
•Routine cleaning
•Maintenance
Instructions relevant only for either SERVO-i
or SERVO-s are marked. Parts included in
SERVO-i only:
•Battery module
•Y sensor
•CO2sensor
•Edi module
•Nebulizers
1.2 General information
As cleaning practices vary widely among
health care institutions, it is not possible for
Maquet to specify particular practices that will
meet all needs, or to be responsible for the
effectiveness of cleaning procedures carried
out in the patient care setting.
Maquet recommends methods that have been
validated using the specified equipment and
procedures outlined in this manual. Other
methods may work but are not covered by the
warranty unless Maquet has given written
permission.
1.3 Symbols
Hazardous waste The device
contains parts which must not be
disposed of with ordinary waste.
1.4 Warning, Caution, Important and
Note
WARNING! Indicates critical information
about a potential serious outcome to the
patient or the user.
CAUTION: Indicates instructions that must
be followed in order to ensure the proper
operation of the equipment.
Important: Indicates information intended
to help you operate the equipment or its
connected devices easily and conveniently.
Note: Indicates information requiring special
attention.
SERVO-i/s, User's Manual 5
| Introduction | 1|

CAUTIONS:
•All personnel should be aware of the risk
of parts being infected when
disassembling and cleaning the
ventilator.
•All disposable parts must be discarded
according to hospital routines and in an
environmentally safe way.
Important:
•Follow your hospital‘s guidelines for
handling infectious material when
handling any part of the SERVO-i/s
ventilator system.
•If possible, cleaning should be performed
immediately after use and always before
disinfection/sterilization. Blood or other
residues should not be allowed to dry
onto the devices.
•Water quality affects
cleaning/disinfection. Maquet
recommends drinking quality water as
the minimum quality level.
•Maquet recommends the use of Servo
Duo Guard bacterial filter or equivalent
to reduce the transmission of bacteria
from the patient via the expiratory
channel to the expiratory cassette. This
reduces the risk of infection spread and
prolongs the life of the expiratory
cassette due to reduced cleaning
requirements.
•The use of a washer-disinfector for
cleaning/disinfection is recommended if
bacterial filters are not used.
•Sterilization is normally not necessary for
the expiratory cassette, as it is not an
invasive instrument, but when applied,
use validated processes only.
Notes:
•Single use (i.e. disposable) items shall
not be reused. Cleaning of single use
items can damage the item and
compromise its intended use. Reuse of
single use items increases the risk of
spreading infections and compromises
the durability of the item.
6SERVO-i/s, User's Manual
| 1| Introduction |

2 Routine cleaning
Table of contents
8|Cleaning/disinfection procedures - a summary2.1
9|Preparations and dismantling2.2
11|Wiping and discarding2.3
13|Disinfection procedures2.4
16|Sterilization procedures (not recommended)2.5
17|Assembling2.6
18|SERVO Ultra Nebulizer cleaning2.7
20|Aerogen Pro Nebulizer2.8
23|SERVO-i NAVA system cleaning2.9
24|SERVO CO2analyzer cleaning2.10
25|Accessories2.11
SERVO-i/s, User's Manual 7
| Routine cleaning | 2|

2.1 Cleaning/disinfection procedures
- a summary
A summary of the procedures for cleaning,
disinfection and sterilization is given here.
Details for each step are given in the following
sections.
Cleaning when bacterial filter is used
Dismantle
Wipe off/discard
Assemble
Wipe off and discard filter, see page 11.
Disinfection when no bacterial filter is used
D2
D1
Dismantle
Wipe off/discard
Rinse
Disinfectant
Rinse
Washer-
Disinfector
Dry
Assemble
There are two disinfection procedures for the
expiratory cassette and associated parts, D1
and D2. In D1 (recommended) a
Washer-Disinfector (EN-ISO-15883-1) is used,
and in D2 a disinfectant is used.
8SERVO-i/s, User's Manual
| 2| Routine cleaning |

Sterilization with autoclave (NOT
recommended)
Dismantle
Wipe off/discard
Rinse
Dry
Dry
Autoclave
Assemble
Autoclaving will reduce the lifetime of the
expiratory cassette and is not recommend as
a cleaning method.
Sterilization is normally not necessary for the
expiratory cassette, as it is not an invasive
instrument, but when applied, use validated
processes only. See further instructions about
autoclaving on page 16.
2.2 Preparations and dismantling
D2D1
Dismantle
Wipe off/discard
Rinse
Disinfectant
Rinse
Washer-
Disinfector
Dry
Assemble
2.2.1 Preparations
•Switch off the ventilator using the switch
on the rear of the User Interface.
•Disconnect the ventilator from the power
and gas supply.
•Disconnect any optional equipment from
the power supply and from the ventilator.
SERVO-i/s, User's Manual 9
| Routine cleaning | 2|

2.2.2 Remove the expiratory cassette
SERVO-i
SERVO-i
•Lift the locking handle and pull out the
patient unit.
•Press the button on the expiratory cassette,
tilt it upwards and remove.
SERVO-s
•Press the locking arm on the rear to tilt the
User Interface.
•Press the button on the expiratory cassette,
tilt it upwards and remove.
WARNING! After removing the expiratory
cassette, do not pour any fluid into the
expiratory cassette compartment. Avoid
contact with electrical connectors.
Important: The expiratory cassette can be
exchanged between different SERVO-i/s
ventilator systems.The ventilator may be
used immediately* by connecting a clean
expiratory cassette.
* After replacing the expiratory cassette, a
Pre-use check must be performed (except in
emergencies, when it should be performed as
soon as possible).
10 SERVO-i/s, User's Manual
| 2| Routine cleaning |