The AirLife® nCPAP System Driver is intended to provide continuous
positive airway pressure (CPAP) for use in hospitals to treat spontaneously
breathing newborns and infants with Respiratory Distress Syndrome (RDS),
or are recovering from RDS under the supervision of qualified personnel
(e.g., respiratory therapist or nurse). The driver operates on hospital or tank
air, and oxygen. The device has an internal battery and can be used for
intra-hospital transport, but is not intended for use in ambulances or aircraft.
®
The AirLife
solenoid valves and servo controlled flow to maintain a user-set pressure
and FiO
interface displays oxygen concentration, CPAP level, flow rate, trending, and
power and alarm conditions. The oxygen sensor automatically calibrates
every time the instrument is powered on. The driver is part of a larger
system that includes an nCPAP generator, fixation device, and patient
interface (prongs and/or masks).
nCPAP System Driver incorporates an electronic blender using
. The system also utilizes a long-life oxygen sensor. The user
2
2 AirLife® nCPAP Operator’s Manual
Product Specification
Gas Supply
41–66 psig (nominal 50 psig) clean, dry, medical air and oxygen. External
pressure regulators should be used if source pressures exceed 66 psig.
Pressure Control / Monitoring
Control Range: 2–10 cmH
Monitor Range: 1–11 cmH2O, accuracy ±1 cmH2O. Pressure is displayed as
<1 or >11 when outside this range.
Oxygen Control / Monitor
Control/Display Range: 21%–100% O
Monitor Range: 17%–104%O2, accuracy ±3 percentage points
Sensor Type: Long Life Ultrasonic (5+ years)
Flow Monitoring
Range: 0–15 LPM, accuracy ±10%
Power Supply
15 V DC, 3.3 A from included AC adapter (GlobTek, Inc. Model number
GTM21097-5015) or an internal 12 V sealed lead/acid battery. The battery
has a life of four (4) hours from a full charge (up to 16 hours required for
recharge).
Weight
Approx. 15 pounds
Dimensions
8 ½ x 8 ½ x 6 ½ inches (excluding gas inlets, patient outlets, and mounting
brackets)
Pressure Relief (2 systems)
Automatic electronic valve system preset to vent to ambient air when a High
Pressure alarm occurs
Mechanical internal relief valve preset to vent at 3 ±0.15 psig (211 ±11
O)
cmH
2
Flow Limit
Electronic flow limit to prevent the delivery flow from exceeding 3 LPM over
Target Flow or 15 LPM.
O
2
, accuracy ±3 percentage points
2
Alarm System
Alarms are delayed for 120 seconds after entering the main screen in order
to allow time for patient setup. If the patient setup takes longer than 120
seconds, the alarms can be muted for an additional 120 seconds by
pressing the alarm mute/reset button or the system can be placed into
Standby Mode.
AirLife® nCPAP Operator’s Manual 3
Supply Gas Pressure Alarm: An audible and visual Source Pressure
alarm will activate if the inlet pressure of one, or both, of the gas sources are
outside of the specified gas supply range. There is a 1 second delay for this
alarm. The alarm message will indicate the specific gas source that is out of
specification. If a single gas source goes out of range during operation, then
only the remaining gas source will be available (air or oxygen) and FiO
blending will become inoperable. The user will be able to select either ‘Air
Only’ or ‘Oxygen Only’ to allow the unit to operate in single-gas source mode
and mute the FiO
automatically return to normal operation (blending to the original FiO2
setting) when the problem is corrected and the source pressures are
returned to within the specified range.
High Pressure Alarm: An audible and visual High Pressure alarm has dual
limits. The first limit will activate the alarm when the monitored pressure is
greater than or equal to 12 cmH
activate the alarm immediately when the monitored pressure is greater than
or equal to 18 cmH
pressure relief solenoid and closes the patient delivery solenoid, which
instantly reduces the pressure in the patient circuit to zero. Approximately
every three (3) seconds, the system will reinstate flow. If the alarm condition
has cleared, the unit will operate normally. If the alarm condition still exists,
the ‘High Pressure’ alarm will cycle through the 3-second loop.
alarms while the problem is corrected. The system will
2
O for 2 seconds. The second limit will
2
O. This alarm automatically activates the electronic
2
2
Elevated Pressure Alarm: An audible and visual Elevated Pressure alarm
is preset for a CPAP pressure that is 2 cmH
O above the Set CPAP level.
2
There is a 5 second delay for this alarm
Low Pressure Alarm: An audible and visual Low Pressure alarm is preset
for a CPAP pressure that is 2 cmH
O below the Set CPAP level. There is a
2
14 second delay for this alarm.
4 AirLife® nCPAP Operator’s Manual
Disconnect Alarm: An audible and visual ‘Disconnect’ alarm is preset to
detect a pressure line or patient interface that has come loose or that is
disconnected. The alarm is set to activate according to the following list:
Flow (LPM) CPAP (cmH2O)
≥ 0 ≤ 1
≥ 6 ≤ 2
≥ 9 ≤ 3
≥ 12 ≤ 4
≥ 14 ≤ 5
While thealarm is active, the patient flow will remain within ±2 LPM of Target
Flow. There is a 5 second delay for this alarm.
Leak Alarm: An audible and visual Leak alarm is preset for a flow rate that
is 3 LPM above the Target Flow rate or for a flow that is greater than 15
LPM. There is a 5 second delay for this alarm
Low Flow Alarm: An audible and visual Low Flow alarm is preset for flow
rates at or below 3 LPM. There is a 10 second delay for this alarm.
Oxygen Concentration Alarms: The oxygen concentration is allowed to
operate within a ±3 %O
range without alarming.
2
A Medium Priority warning will activate whenever the product of the variance
outside of the FiO
range and the duration (in seconds) of the variance
2
exceeds 20.
A High Priority alarm will activate whenever the product of the variance
outside of the FiO
range and the duration (in seconds) of the variance
2
exceeds 30.
For example: if the Set %O
is 30% and the reading is 35% for a period of
2
ten (10) seconds, a Medium Priority warning will activate. In this case the
reading is 2 percentage points outside of the ±3 percentage point range. If
the Set %O
is 30% and the reading is 35% for a period of 15 seconds, a
2
High Priority alarm will activate.
Battery Alarms: An audible and visual Low Battery alarm has dual limits.
The first limit will activate the medium priority alarm when the battery falls
below 10% remaining (approx. 24 minutes). The second limit will activate
the high priority alarm when the battery falls below 5% remaining (approx. 12
minutes). There is a 2 second delay for this alarm. An audible and visual
Charge Fault alarm will indicate if the battery is not charging properly. The
system verifies proper charging at start up and during the routine oxygen
calibration. There is a 5 second delay for this alarm.
AirLife® nCPAP Operator’s Manual 5
Oxygen Calibration Alarm: An audible and visual Oxygen Calibration
alarm will indicate if an oxygen sensor has failed to calibrate. If this alarm
occurs, remove patient and cycle the power for re-calibration or remove the
driver from service. While the alarm is active, the driver provides CPAP and
, however, the FiO2 may not be accurate. The system calibrates the
FiO
2
oxygen sensor during start up and routinely during operation. There is no
delay for this alarm
Software Fault: An audible and visual Software Fault alarm will indicate
any software fault detected. The system will display a fault code which
should be recorded. If the fault is non-fatal, the alarm can be cleared and
the system will return to normal operation. If the fault is fatal, the driver will
need to have the power cycled or be removed from service. There is no
delay for this alarm
Flow / Pressure Sensor: A visual Sensor Calibration Fault will indicate if a
sensor has failed the calibration during the start up routine. A failure screen
will appear indicating what sensor has failed and informing the user to
remove the device from service.
IEC 60601-1 Classification
Internally Powered Equipment, Type BF, IPX 1
This equipment is rated for Continuous Operation.
Caution:
the requirements of current EMC/RFI legislation, this does not
guarantee immunity from all sources of radiated energy. Some
mobile telephones and other products containing radio
transmitting components may cause a malfunction of the
AirLife
the driver.
Although the AirLife® nCPAP System Driver meets
®
nCPAP driver and should not be used in the vicinity of
Storage and Operating Conditions
• Safe for storage at -20°C–60°C
• Relative humidity of 15%–95% non-condensing
• Atmospheric pressure 0.6–1.4 Bar.
• Operating environment temperature is 5°C–40°C
• Keep dry and do not expose to direct sunlight
• This product meets the EMC requirements of IEC60601-1
®
Warning: The patient accessories for use with the AirLife
nCPAP Driver are for single patient use only. Disposable
accessories include generators, fixation device, prongs,
masks, heated wire breathing circuits, and humidification
chambers. DO NOT STERILIZE OR REUSE.
6 AirLife® nCPAP Operator’s Manual
Driver Feature Diagrams
1
2
34
56
789 101112
Figure 1: Front Panel Features
Item Description
1 Pressure LED Bar Graph (Indicates instantaneous patient pressure)
2 Pressure Display (Indicates average patient pressure)
3 Message Bar
4 FiO
5 Alarm Priority LEDs and Alarm Mute
6 Alarm Mute/Reset Button
7 Power Status
8 Interface Control Knob
9 Trend Selection
10 Flow Display
11 Pressure Line Connection
12 Patient Connection
AirLife® nCPAP Operator’s Manual 7
Display
2
(Press & Release for Mute/Reset; Press & Hold for Standby Mode)
1 23
7
8
45 6
Figure 2: Back Panel Features
Item Description
1 Power Connection
2 Fuse
3 Power Switch
(Switch does not disconnect driver from main power supply)
4 Oxygen Inlet
5 Water Trap and Air Filter (behind Air Inlet; not visible in this view)
The AirLife® nCPAP System Driver is intended to be operated only by
qualified personnel under the direction of a physician. The operator is
responsible for reading and thoroughly understanding the provided product
documentation.
Definitions to be considered throughout the document:
Warning: Used when the operator or the patient have the
possibility of being injured.
Caution: Used when the driver or accessories used with the
driver have the possibility of being damaged.
Note: Used for statements that could allow for more efficient or
convenient operation or service of the equipment.
The following are warnings, cautions, and notes that will appear within this
document. Please become familiar with their content.
Warning: The patient accessories for use with the AirLife® nCPAP
Driver are for single patient use only. Disposable accessories include
generators, fixation device, prongs, masks, heated wire breathing
circuits, and humidification chambers. DO NOT STERILIZE OR REUSE.
Warning: The driver should only be used after qualified personnel or a
technician has authorized it for use.
Warning: Oxygen vigorously accelerates combustion. To avoid an
explosion hazard, do not use any instrument or piece of equipment
that may have been exposed to oil or grease contamination.
Warning: To avoid the risk of fire or explosion, use this device in wellventilated areas away from flammable anesthetics.
Warning: When driver is connected to power source, keep cords clear
of walkways to avoid possible cord entanglement and strangulation.
Warning: Use this product only as directed in the product literature to
reduce the possibility of nasal and skin irritation, and necrosis.
AirLife® nCPAP Operator’s Manual 9
Warning: There is always a risk when using oxygen that the O2 level in
the arterial plasma will reach an unacceptable level. This driver should
always be used in conjunction with a pulse oximeter to monitor patient
status. Oxygen toxicity can be a concern with this device for the
intended population if it is used for more than a few hours. Risks
include:
▪ Absorption atelectasisi (collapse of lung tissue)
▪ Hypercapnia (increased carbon dioxide)
▪ Retrolental hyperplasia (which can cause blindness)
Also, Chemotherapy patients given bleomycin appear to be extremely
sensitive to even relatively low levels of oxygen.
®
Warning: The use of any power cords with the AirLife
Driver other than those supplied with the driver may result in increased
emissions and/or decreased Immunity of the AirLife
Driver.
Caution: Although the AirLife® nCPAP System Driver meets the
requirements of current EMC/RFI legislation, this does not guarantee
immunity from all sources of radiated energy. Some mobile telephones and
other products containing radio transmitting components may cause
malfunction of the AirLife
®
nCPAP System Driver and should not be used in
the vicinity of the driver.
nCPAP System
®
nCPAP System
Caution:
Federal (USA) law restricts sale of this driver to, or on the order of,
a physician.
Caution:
Any liquid introduced into the gas supplies will cause malfunction of
this driver and the equipment connected to it.
Caution:
This driver is designed to mix oxygen and air only. Do not alter the
inlets for any other gas sources, such as anesthesia gases.
Caution:
The power switch does not disconnect the driver from the main
power supply. This can only be accomplished by disconnecting the AC
adapter from either the driver or the AC outlet.
Caution: The correct AC adapter must be used with the driver. Use of an
incorrect AC adapter can damage the internal circuits of the driver.
Caution:
Using the driver without the proper filters can allow dirt or moisture
to enter the system. This will damage the electronic blender, leaving the unit
non-operational.
Caution:
Ensure that the driver is unplugged from external power and that
the power switch is in the “Off” position before cleaning.
10 AirLife® nCPAP Operator’s Manual
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