Datex-Ohmeda Centiva-5 User manual
Centiva/5
User’s Reference Manual
Software Revision 2.n
User Responsibility
CAUTION
This Product will perform in conformity with the description thereof
contained in this operating manual and accompanying labels and/or
inserts, when assembled, operated, maintained and repaired in
accordance with the instructions provided. This Product must be
checked periodically. A defective Product should not be used. Parts
that are broken, missing, plainly worn, distorted or contaminated
should be replaced immediately. Should repair or replacement become
necessary, Datex-Ohmeda recommends that a telephonic or written
request for service advice be made to the nearest Datex-Ohmeda Field
Service Support center. This Product or any of its parts should not be
repaired other than in accordance with written instructions provided by
Datex-Ohmeda and by Datex-Ohmeda trained personnel. The Product
must not be altered. The user of this Product shall have the sole
responsibility for any malfunction which results from improper use,
faulty maintenance, improper repair, damage or alteration by anyone
other than Datex-Ohmeda.
U.S. Federal laws restrict this device to sale by or on the order of a
licensed medical practitioner. Outside the U.S.A. check local laws for
any restriction that may apply.
Datex-Ohmeda products have unit serial numbers with coded logic
which indicates a product group, the year of manufacture and a
sequential unit number for identification.
AAA B 12345
This alpha character indicates the year of product
manufacture and when the serial number was
assigned. 1 = 2001, 2 = 2002 etc.
URM Centiva/5, CM-920041, rev. 2.22 TIM GmbH
Table of Contents
1 Introduction
2 Safety
3 General description
4 Concept of operation
1.1 How to use this manual 1-2
1.2 Symbols used in this manual or on the equipment 1-3
1.3 Abbreviations used in this manual or on the equipment 1-5
2.1 Safety 2-2
3.1 General description 3-2
3.1.1 Intended use 3-2
3.1.2 Principle of operation 3-2
3.1.3 Ventilation modes 3-3
3.1.4 Additional function 3-4
3.2 Supply 3-5
3.2.1 Electrical supply 3-5
3.2.2 Gas supply 3-5
3.3 Positioning 3-6
3.4 Main components 3-7
3.5 System controls 3-8
3.5.1 Front side 3-8
3.5.2 Rear side 3-9
4.1 Concept of operation 4-2
4.1.1 Screen content 4-3
4.1.2 Soft keys 4-5
4.1.3 I : E Ratio soft key 4-6
URM Centiva/5, CM-920041, rev. 2.22
0-1
Table of Contents
4 Concept of operation
continued
5 Preparation
4.1.4 Timing parameters 4-7
4.1.5 Graphics 4-8
4.1.9 Changing a parameter 4-13
4.1.10 Menu button 4-14
4.1.11 Selecting a menu topic 4-15
4.1.12 Activating a menu function 4-16
5.1 Electrical supply 5-2
5.1.1 Mains supply 5-2
5.1.2 Back-up battery supply 5-4
5.2 Gas supply 5-5
5.2.1 Dual gas supply 5-5
5.2.2 Single gas supply 5-6
5.3 Set up of expiration valve 5-7
5.4 Breathing gas conditioning 5-8
5.5 Breathing circuit 5-9
5.5.1 Connection with HME 5-9
5.5.2 Connection with active humidifier 5-10
5.6 Placing the device 5-12
5.6.1 Control panel 5-12
5.6.2 Entire system 5-14
5.7 Turn ON and OFF 5-15
5.8 Self test 5-16
5.8.1 Power-up test 5-16
5.8.2 System test 5-17
5.8.3 In-operation test 5-18
5.9 Select the type of patient 5-19
5.10 System test menu 5-20
5.11 Starting the ventilator 5-22
4.1.6 Numerical patient data 4-9
4.1.7 Status information 4-10
4.1.8 ComWheel 4-12
4.1.13 Submenus 4-17
4.1.14 Open a submenu 4-19
4.1.15 Change a parameter in a submenu 4-20
4.1.16 Alarm silence 4-22
0-2
URM Centiva/5, CM-920041, rev. 2.22
Table of Contents
6 Operation
7 Cleaning and Sterilization
6.1 Adjust ventilation modes 6-2
6.1.1 Select a ventilation mode 6-2
6.1.2 Default ventilation values 6-3
6.1.3 Changing ventilation modes 6-4
6.2 Adjust ventilation parameters 6-6
6.2.1 VCV 6-6
6.2.3 Bi-Level 6-12
6.2.4 Bi-Level/PSV 6-14
6.2.5 CPAP/PSV 6-17
6.2.5 CPAP/Apnea 6-19
6.3 Additional functions 6-21
6.3.1 Standby 6-22
6.3.2 ASR (Automatic Suction routine) 6-24
6.3.5 Alarm AUTOSET 6-38
6.3.6 ARC (Airway Resistance Compensation) 6-41
6.3.9 NIV (Non Invasive Ventilation) 6-51
6.3.10 APD (Automatic Patient Detection) 6-53
6.3.11 OCV (Online O2 sensor Calibration) 6-54
6.3.12 Short cuts 6-55
7.1 General advice 7-2
7.2 Disassembly 7-3
7.2.1 Used with HME 7-3
7.2.2 Used with active humidifier 7-4
7.3 Expiration valve 7-5
7.3.1 Removing expiration valve assembly 7-5
7.3.2 Disassemble expiration valve assembly 7-7
7.4 Clean and sterilize 7-8
7.4.1 Housing and control panel 7-8
7.5 Reassembly 7-9
6.2.2 SIMV-VC 6-9
6.3.3 Parameter menu 6-32
6.3.7 NEB (Nebulizer drug delivery) 6-44
6.3.8 System test 6-50
7.4.2 Expiration valve 7-8
7.5.1 Reassemble expiration valve assembly 7-9
7.5.2 Reinsertion of expiration valve assembly 7-10
URM Centiva/5, CM-920041, rev. 2.22,
0-3
Table of Contents
8 Alarms and messages
9 Maintenance
10 Technical data
11 Parts list
8.1 Alarm modality 8-2
8.2 Alarm messages 8-4
8.3 Other messages 8-8
9.1 General 9-2
9.2 Oxygen sensor calibration 9-3
9.2.1 Start calibration 9-3
9.2.2 Stop calibration 9-4
9.3 Expiration valve 9-5
9.3.1 Remove valve assembly 9-5
9.3.2 Replace components 9-7
9.3.3 Reassembly 9-8
9.4 Additional maintenance 9-10
9.4.1 Every twelve (12) months 9-10
9.4.2 Every twenty four (24) months 9-10
10.1 General 10-2
10.2 Supplies 10-3
10.3 Ventilator characteristics 10-4
10.4 Controls and ranges 10-8
10.6 Measurement functions 10-9
10.7 Monitoring functions 10-10
10.8 Control panel 10-13
11.1 Spare parts 11-2
11.2 Accessories 11-2
8.3.1 Messages during power up 8-8
8.3.2 Messages during system test 8-11
8.3.3 Messages during O2 calibration 8-19
8.3.4 Messages during operation 8-20
9.3.4 Reinsertion of expiration valve assembly 9-9
0-4
URM Centiva/5, CM-920041, rev. 2.22
1 Introduction
In this section
1.1 How to use this manual 1-2
1.2 Symbols used in this manual or on the equipment 1-3
1.3 Abbreviations used in this manual or on the equipment 1-5
URM Centiva/5, CM-920041, rev. 2.22
1-1
1 Introduction
1.1 How to use this manual
This manual describes the operation of the
The Centiva/5 ICU ventilator may be used together with additional
accessories, such as trolleys, compressors etc. These accessories
come with a separate operation manual.
Use this manual together with the manuals for optional accessories.
Centiva/5 ICU ventilator
Release 2.2n.
1-2
URM Centiva/5, CM-920041, rev. 2.22
1.2 Symbols used in this manual or on the equipment
Warnings and Cautions tell you about dangerous conditions
that can occur if you do not follow all instructions in this manual.
WARNING
CAUTION
Warnings indicate a condition that can cause injury to the operator or
the patient.
Cautions indicate a condition that can cause damage to the
equipment. Read and follow all warnings and cautions.
Alarm silence touch key
Menu touch key
Left turn ComWheel to decrease value
Right turn ComWheel to increase value
Rotate ComWheel to change value
Push ComWheel to confirm selection (ENTER)
1 Introduction
URM Centiva/5, CM-920041, rev. 2.22
1-3
1 Introduction
x
On (power)
Off (power)
10101
xxx
Earth ground
Protective earth ground
Equipotential
Type B equipment
Input (Expiratory port)
Output (Inspiratory port)
Attention, refer to product instructions, EN/IEC 60601-1
Serial data transfer connection
Systems with this mark comply with the European Council Directive
(93/42/EEC) for Medical Devices when they are used as specified in
their Operation and Maintenance Manuals. The “xxxx” is the
certification number of the Notified Body used by the manufacturer’s
Quality Systems.
Nebulizer gas supply
DC external power supply
1-4
URM Centiva/5, CM-920041, rev. 2.22
1 Introduction
1.3 Abbreviations used in this manual or on the equipment
Vent. mode
VCV
SIMV - VC
Bi-Level
PSV
CPAP
CPAP/PSV
CPAP/Apnea
APD
ARC
ASR
NEB
NIV
OCV
Endot.tube
Trach.tube
P
max
P
limit
P
insp
PS
P
peak
P
min
P
PEEP
P
aw
Rate
I:E
Ramp
PS ramp
Time window
Vt
TV
MV
I-Flow
Trigg.
Byflow
PS endflow
Flow
Ventilation mode
Volume constant Controlled Ventilation
Synchronized Intermittent Controlled Ventilation- volume constant
Bi Level pressure controlled ventilation
Pressure Support Ventilation
Continuous positive airway pressure
CPAP with pressure support ventilation
CPAP with apnea Bi-Level back up ventilation
Automatic patient detection
Airway resistance compensation
Automatic suction routine
Nebulizer
Non Invasive Ventilation
Online oxygen calibration during ventilation
Endotracheal tube
Tracheal tube
Safety pressure setting
Pressure limit setting
Inspiratory pressure setting
Pressure Support pressure setting
Highest airway pressure, measured within last breath
Lowest airway pressure, measured within last breath
Positive End Expiratory Pressure setting
Airway pressure in general
Breaths per minute
Inspiratory to Expiratory time ratio
Ramp time between lower and upper Bi-level
Ramp time between PEEP level and PS pressure level
Trigger time window
t
Time in general
Tidal volume setting
Tidal volume, measured
Minute volume, measured
Inspiratory flow setting
Trigger flow required to trigger an assisted breath
Bias flow
End-of-flow criteria for PS pressure support
Flow in general
URM Centiva/5, CM-920041, rev. 2.22
1-5
1 Introduction
Fi-O2
O2-I
or AC
or DC
Rev. x.nn
40 … 80 PSI
O
2
AIR 40 … 80 PSI
24V/3A DC
Serial Port
Inspiratory O2 concentration setting
Inspiratory O2 concentration, measured
I
On (power), line supply
O
Off (power), line supply
Alternating current
Direct current
Ref
Stock number
SN
Serial number
Software revision number
O2 gas supply input with a pressure range of 40 … 80 PSI
AIR gas supply input with a pressure range of 40 … 80 PSI
DC supply input with 24 V and a maximum current of 3 A
Connection for serial data transfer
1-6
URM Centiva/5, CM-920041, rev. 2.22
2 Safety
In this section
2.1 Safety 2-2
URM Centiva/5, CM-920041, rev. 2.22
2-1
2 Safety
2.1 Safety
Reference
Safe Operation
Classification
Safety standards
This manual describes the operation of the
To ensure safe operation of the Centiva/5 use the system only as
intended. Operators need to be familiar with this Operation Manual
prior to operating the system. Only trained operators are allowed to use
this system. Always ensure compliance with the requirements of this
Operation manual and with the local governmental or other authority’s
requirements for operating ICU ventilators.
The Centiva/5 is a device of group IIb, according to the directive
93/42/EEC, Annex IX, Rule 9 for medical products.
Classification according to EN 60601-1 for electro medical devices
EVICE OF PROTECTION CLASS I, with internal power supply. Protection
D
against electrical hazard is performed by grounded operation.
EVICE TYPE B, according to safety grade for electrical hazard
D
ONTINUOUS OPERATION according to described operation modes.
C
The Centiva/5 is designed with respect to the following safety
standards:
- EN 60601-1, Medical electrical equipment, General
conditions
- EN 794-1, Special requirements for lung ventilators
- EN 475, Specification for warning, advice and information in
anesthesia and critical care
- EN 60601-1-4, software controlled medical devices
- EN 60601-1-2, electro magnetic compatibility
URM Centiva/5, CM-920041, rev. 2.22
Release 2.2n.
2-2
URM Centiva/5, CM-920041, rev. 2.22
2 Safety
Safety features
Patient Safety
The following safety features are built into the Centiva/5 to warn the
operator in case of risk to the patient.
Device alarms
Control of Control for
Gas supply O2 supply fail, AIR supply fail
Disconnection Disconnection of patient and breathing
O2 concentration O2 concentration
Electrical energy Line supply fail, battery supply fail
Device’s control system Watchdog alarm
Patient alarms
Control of Control for
High pressure High pressure alarm
Minute volume Upper and lower minute volume alarm
Rate Upper and lower rate alarm
Airway pressure Pressure sustained
The Centiva/5 shall be operated by or on the order of a physician. The
Centiva/5 shall only be operated by qualified medical personal, to
ensure adequate intervention in case of a device malfunction.
Constant surveillance of a patient connected to an ICU ventilator by
trained personal is required.
Ensure alarm limits are set according to the patient’s situation and
ensure alarms are activated whenever a patient is connected to the
system.
Use only breathing circuits and accessories approved by the
manufacturer of either the Centiva/5 or the accessory.
system
URM Centiva/5, CM-920041, rev. 2.22
2-3
2 Safety
Patient Safety (cont.)
WARNING
Residual risk
Always perform the Centiva/5’s system test before using the ventilator.
Never perform a system test when a patient is connected to the
Centiva/5.
This system test is designed to test all safety relevant features and
components prior to the start of ventilation.
In case of emergency the system test may be bypassed. The system will
recognize this status as “No test” and displays this status in the screen
to remind the operator to perform the system test at their earliest
convenience.
If the system test is not performed, the system does not know the
correct breathing circuit’s specifications necessary for optimized
compliance and resistance compensation. In this case the ventilator
may not work with the specified accuracy and tolerances.
To reduce the risk of a device malfunction, redundant systems are
integrated into the Centiva/5.
High and medium risk functions are designed to provide an alternate
system in case of a first failure.
Low risk functions are tested with the power-up test each time the unit
is powered up prior to operation.
The system provides for an adjustable pressure limiter in the VCV and
SIMV –VC modes. In the VCV or SIMV-VC modes the P
O in Pediatric and 30 cmH2O in Adult mode.
cmH
2
The system has an additional second level safety pressure function,
, that is active in all modes. The P
P
max
Pediatric and 40 cmH
O in the Adult mode, when in the VCV or SIMV-VC
2
modes. The Pmax default is set to 18 cmH
defaults to 30cmH2O in
max
O in Pediatric and 21 cmH2O
2
in the Adult mode, when in Bi-Level, CPAP/PSV or CPAP/Apnea modes.
defaults to 20
limit
2-4
URM Centiva/5, CM-920041, rev. 2.22
2 Safety
Risk of electrical hazard
Fire hazard
Risk of electromagnetic
interference
The Centiva/5 is designed to be operated only in electrical
environments according to VDE 0107 or EN 60601-1.
Prior to cleaning, repair or maintenance always disconnect the system
from the electrical supply. Prior to reconnecting the system to the
electrical supply ensure the housing is dry.
Prior to connecting the device to an electrical supply check your local
supply voltage to match the operation voltage of the device, which is
marked on the serial plate on the rear side of the device.
Store the system only according to the given specifications for
temperature and humidity.
Operate the system only according to the given specifications for
temperature and humidity. In case system’s temperature is lower or
higher than specified, allow the system to stabilize for one hour before
operation.
Do not use materials such as Ammonia, Phenol or Acetone to clean this
device.
Do not use the Centiva/5 when there is doubt in the proper function of
the electrical earth ground in the installation environment
Do not use the Centiva/5 in the presence of flammable anesthetics.
Devices radiating electromagnetic fields in a strength beyond the
requirements of EN 60601-1-2 can influence the safe operation of the
Centiva/5 and can cause risk to the patient.
Devices radiating high frequency fields and installed near the system
can influence the safe operation of the Centiva/5 and can cause risk to
a patient.
Do not use cellular phones (mobile phones) within 10 meters of the
Centiva/5. Otherwise this may result in a possible influence on the safe
operation of the device and can cause risk to a patient.
Do not use the Centiva/5 in the presence of nuclear magnet resonance
devices (NMR, MRI).
URM Centiva/5, CM-920041, rev. 2.22
2-5
2 Safety
Accessories
Monitoring
Service and maintenance
The Centiva/5 has a wide range of accessories available.
Use only accessories that are listed in the Centiva/5 accessories list.
Prior to connecting a network or any other data management transfer
system to the serial output of the Centiva/5 verify that these devices
are in compliance with EN 60950 standard for data transfer safety, or
EN 60601-1 medical electrical equipment.
The person connecting other systems (electrical or other) to Centiva/5
is responsible that the entire system meets the requirements of EN
60601-1.
The Centiva/5 is equipped with monitoring features that will help to
monitor and control the patient’s ventilation situation and to detect
changes in the ventilation parameters.
Changes in the ventilation parameters can be caused by:
• changes in the patient’s status
• changes in the settings
failure in operation
•
• device malfunction
• changes in the electrical supply
changes in gas supply
•
A resuscitator for manual ventilation shall be present to maintain
ventilation in case of a device malfunction.
The Centiva/5 shall be checked at least every twelve months for safety
and proper function.
Only authorized service personal shall perform repair, service and
maintenance to the device.
The maintenance intervals and procedures are documented in section
9, ”Maintenance”.
2-6
URM Centiva/5, CM-920041, rev. 2.22
2 Safety
Responsibility of the
manufacturer
Manufactured by
Manufactured for
The manufacturer is not responsible for any function change, damage
or injury to patient or operator that is caused by misuse or by disregard
of the safety advices mentioned in this manual.
The user or owner is responsible for the function of the system if the
device is serviced, maintained or repaired by unauthorized personnel.
The user or owner is responsible for the function of the system if the
device is misused or not used according to the instructions in this
Operation manual .
Salvia Lifetec GmbH & Co KG
Niederhöchstädter Strasse 62
61476 Kronberg
Germany
Datex-Ohmeda Inc.
Ohmeda Drive
P.O. Box 7550
Madison, WI 53707-7550
USA
Phone. +1 608 221 1551
Fax: +1 608 223 2476
0123
URM Centiva/5, CM-920041, rev. 2.22
2-7
2 Safety
Notes
2-8
URM Centiva/5, CM-920041, rev. 2.22
3 General description
In this section
3.1 General description 3-2
3.1.1 Intended use 3-2
3.1.2 Principle of operation 3-2
3.1.3 Ventilation modes 3-3
3.1.4 Additional function 3-4
3.2 Supply 3-5
3.2.1 Electrical supply 3-5
3.2.2 Gas supply 3-5
3.3 Positioning 3-6
3.4 Main components 3-7
3.5 System controls 3-8
3.5.1 Front side 3-8
3.5.2 Rear side 3-9
URM Centiva/5, CM-920041, rev. 2.22
3-1
3 General description
3.1 General description
3.1.1 Intended use
3.1.2 Principle of
operation
Centiva /5 is a critical care ventilator used for intensive care ventilation
of humans.
This ventilator is intended to be used for adult patients and children age
1 year + or bodyweight greater than or equal to 5 kg.
This ventilator is designed to maintain and support existing and
returning patient’s spontaneous breathing.
Centiva/5 is a time controlled, volume constant, pressure cycled,
software controlled system.
The expiration valve is electromechanically controlled with a locking
system to provide proper seating of the PEEP valve assembly.
The system uses a flow trigger and allows patient’s free breathing over a
built-in free breathing valve.
The system provides for a permanent Byflow in the breathing circuit and
allows patient’s spontaneous breathing in all modes.
3-2
URM Centiva/5, CM-920041, rev. 2.22
3 General description
3.1.3 Ventilation modes
VCV (Volume Controlled Ventilation)
Controlled volume constant ventilation with the ability of patient’s
spontaneous breathing between the mandatory breaths.
Additional capabilities are:
- PLV - Pressure Limited Ventilation
- IRV - Inverse Ratio Ventilation
SIMV - VC (Synchronized Intermittent Mandatory Ventilation – Volume
Constant)
Synchronized volume constant ventilation with the ability of patient’s
spontaneous breathing in between the mandatory breaths.
Additional capabilities are:
- PLV - Pressure Limited Ventilation
- IRV - Inverse Ratio Ventilation
- PSV - Pressure Support Ventilation
Bi-Level (Bi-Level)
Synchronized pressure controlled ventilation combined with patient’s
free spontaneous breathing during the entire breathing cycle.
Additional capabilities are:
- IRV - Inverse Ratio Ventilation
- PSV - Pressure Support Ventilation on lower Bi-Level pressure level
CPAP/PSV (Continuous Positive Airway Pressure/ Pressure Support
Ventilation)
Spontaneous breathing with environmental pressure or positive airway
pressure.
Additional capabilities are:
- PSV - Pressure Support Ventilation on CPAP pressure level
CPAP/Apnea (Continuous Positive Airway Pressure / Apnea back-up)
Spontaneous breathing with environmental pressure or positive airway
pressure with PSV - Pressure Support Ventilation on CPAP pressure
level
Additional capabilities are:
- Bi-Level back up ventilation mode with pre-adjusted settings if patient
activates the apnea alarm.
For more details refer to section 6 “operation”.
URM Centiva/5, CM-920041, rev. 2.22
3-3
3 General description
3.1.4. Additional functions
APD (Automatic Patient Detection)
Function that provides automatic detection of a patient being
connected to the ventilator in all ventilation modes.
ARC (Airway Resistance Compensation)
Function that provides adjustable inspiratory and expiratory
compensation of the tube’s resistance in all spontaneous breathing
modes to ease patient’s spontaneous breathing.
ASR (Automatic Suction Routine)
Function that provides an automatic procedure for bronchial suction
preparation with a pre-oxygenation phase, a pressure free opening of
the y-piece and a post-oxygenation with automatic return to previous
settings in all ventilation modes.
NEB (Nebulizer drug delivery)
Function that provides drug delivery in all ventilation modes to the
patient via the breathing circuit by means of a so called “jet nebulizer”.
NIV (Non-Invasive Ventilation)
Function that provides leakage compensation in all ventilation modes
to allow ventilation of leaking systems such as nasal or face mask ,
larynx mask or uncuffed tubes.
OCV (Online O2 sensor Calibration during Ventilation)
Function that allows O2 sensor calibration during ventilation.
3-4
URM Centiva/5, CM-920041, rev. 2.22
3.2 Supply
3 General description
3.2.1 Electrical supply
3.2.2 Gas supply
Special notice
3.3 Positioning
The Centiva/5 can be configured to be supplied with electrical power
from a line supply voltage of 230 V or 115 V AC.
The Centiva/5 can be supplied by a 24 V DC external battery pack
(option) for e.g. inner clinical transportation purposes.
As a back-up supply Centiva/5 is provided with an internal battery that
supports operation for a minimum of 30 minutes (battery fully charged).
The Centiva/5 is designed to be supplied with O2 and AIR. Single gas
operation with either AIR or O2 can be selected .
Ensure clean and dry medical gas supply sources.
Special notice
URM Centiva/5, CM-920041, rev. 2.22
The Centiva/5 is design to be positioned on
The control panel of Centiva/5 is tiltable and detachable. The control
panel can be mounted up to a 3 meter distance from the main engine
(remote control).
Ensure the Centiva/5 is securely mounted.
a trolley or cart (option)
•
• a rail mount (option)
• a ceiling pendulum (option)
3-5
3 General description
3.4 Main Components
Main engine
Control panel
Expiration valve
The Centiva/5 is a system that can be separated into three (3) user
accessible components
• The main engine
• The control panel
The expiration valve
•
These three assemblies can be separated by the user without using any
tools.
3-6
URM Centiva/5, CM-920041, rev. 2.22
3.5 System controls
I
O
A
3 General description
3.5.1 Front side
Screen
Soft keys
Paw
cmH2O
Flow
L/min
-20
-40
Fi02
21
Bi-Level
15
10
5
40
20
%
Rate
12
1/min
Tube : E 7.5 50%
I:E
Ramp
1:2
0.2
sec
P-Insp
10
cmH2O
Centiva/5
MV-E
Vt-E
Ppeak
Pmin
O2-I
Rate
PEEP
3
cmH2O
dult
5.2
350
14
3
21
18
PS
cmH2O
cmH2O
cmH2O
1/min
5
Liter
12
2
mL
21
Alarm lights
Silencer
25
18
%
40
8
Menu key
ComWheel
Stopper
Exp. port
Nebulizer
URM Centiva/5, CM-920041, rev. 2.22
Insp. port
ON/OFF
3-7
3 General description
3.5.2 Rear side
Serial plate
C inl
e
t
Com p
24V/ 3A DC
2
4
V
D
Gro
und
o
r
t
co
Caution. U.S. Federal laws restrict this device
to sale by o r on the order of a l icensed medical
practitioner.Outside the U.S.A. check local
laws for any restriction that may apply.
Line switch
Lin
e
i
nle
n.
t
O
2
g
as
A
IR
g
a
i
nl
et
s
O2 AIR
280 .. . 600 kPa or 40 ... 80 PSI
in
le
t
3-8
URM Centiva/5, CM-920041, rev. 2.22
4 Concept of operation
In this section
4.1 Concept of operation 4-2
4.1.1 Screen content 4-3
4.1.2 Soft keys 4-5
4.1.3 I : E Ratio soft key 4-6
4.1.4 Timing parameter 4-7
4.1.5 Graphics 4-8
4.1.6 Numerical patient data 4-9
4.1.7 Status information 4-10
4.1.8 ComWheel 4-12
4.1.9 Changing a parameter 4-13
4.1.10 Menu button 4-14
4.1.11 Selecting a menu topic 4-15
4.1.12 Activating a menu function 4-16
4.1.13 Submenus 4-17
4.1.14 Open a submenu 4-19
4.1.15 Change a parameter in a submenu 4-20
4.1.16 Alarm silence 4-22
URM Centiva/5, CM-920041, rev. 2.22
4-1
4 Concept of operation
I
O
A
4.1 Concept of operation
The Centiva/5 is a menu operated and software controlled system.
All information for control is provided by the Display.
All controls are located on the front panel, except the On-Off button on
the lower front right and the line supply switch on the rear.
The principle for all controls is based on the S A C system.
Select
Adjust
Confirm
There are two ways to select a parameter to change, either by
soft keys or by menu.
The adjustment is always made by turning the ComWheel
clockwise for up and counterclockwise for down.
Confirmation of the adjusted value for the selected parameter
is made by pushing the ComWheel.
Screen
Soft keys
Paw
cmH2O
Flow
L/min
Fi02
21
Bi-Level
15
10
5
40
20
-20
-40
%
Rate
12
1/min
Tube : E 7.5 50%
I:E
Ramp
1:2
0.2
sec
P-Insp
10
cmH2O
Centiva/5
MV-E
Vt-E
Ppeak
Pmin
O2-I
Rate
PEEP
3
cmH2O
dult
5.2
350
14
3
21
18
cmH2O
PS
5
Liter
mL
cmH2O
cmH2O
1/min
12
2
21
25
18
%
40
8
Menu key
ComWheel
4-2
URM Centiva/5, CM-920041, rev. 2.22
Loading...