Resmed NOX A1 User Manual

How to use
your Nox A1

™

ambulatory recordings

Noxturnal version 5.1

ResMed.com/NoxA1

Contents

Nox A1 system ……………………………………………………………………………………………………………………………………

Configure a recording ………………………………………………………………………………………………………………………………

Patient hook-up ……………………………………………………………………………………………………………………………………

Check signals ………………………………………………………………………………………………………………………………………

Clean devices and accessories …………………………………………………………………………………………………………………

Score a recording

Download data ……………………………………………………………………………………………………………………………………

Analyse data ……………………………………………………………………………………………………………………………………… page 42

Generate a report …………………………………………………………………………………………………………………………………

Open an existing recording ………………………………………………………………………………………………………………………

Troubleshooting ……………………………………………………………………………………………………………………………………

Consumables and accessories ……………………………………………………………………………………………………………………

page 3

page 7

page 14

page 26

page 38

page 41

page 51

page 53

page 54

page 59

2

2

Nox A1 system

Accessories Devices Consumables

USB cable

EKG and PLM cables EEG head cable

electrode cable x2

Abdomen cable Nasal cannula with filter x2

Noxturnal software CDEEG 5 lead gold

Nox A1 Recorder

Nonin 3150 oximeter

and SpO

sensor size M

2

Disposable RIP belts

(Sizes: XSx1, Sx1, Mx1, Lx1, XLx1)

Battery 1.5V AA x2

Battery 1.5V AAA x4

3

Nox A1 system

5 6 5

7

1

4 2 3

NUMBER FUNCTION

1 Display
2 Push button -
3 Push button -
4 Push button -

Turn on the device

Forward
Backward

5 Clip strap loops
6 Microphone and light sensor -

sounds and light

7 Device status indicator light
8 Pressure lock -

Connects to external nasal cannula/

mask pressure tube

11

10

Records respiratory

8

9

13

12

9 Unipolar input -

EEG channels

10 Reference ground input
11 Bipolar inputs -
12 Battery lid -
13 Battery lid pin -
14 Metal snaps -
15 Metal snaps -

EKG and PLM inputs

Covers the battery and the USB connector

Keeps battery compartment closed
Connect to thorax RIP belt
Connect to abdomen cable

14

15 14

4

Nox A1 system

• Options available

The Nox A1 device can be used with the following external devices.

Device Function Part number

Bluetooth Nox W7 Link Kit - A

Enables data transfer between the Nox A1 and ResMed AirSense
therapy devices. Can be connected to AirSense/AirCurve devices via an adapter.
Signals available: Flow, Pressure, Leak.

Bluetooth Nox W7 Link Kit - R

Enables data transfer between the Nox A1 and ResMed S9
the Nox A1 and selected Radiometer
S9 devices via an adapter. Can be connected to Radiometer devices via an extension cable.
Signals available with the ResMed S9: Flow, Pressure, Leak.
Signals available with the Radiometer: ptCO

Bluetooth Nox W7 Link Kit - S

Enables data transfer between the Nox A1 and SenTec
to the serial port of the SenTec monitor.
Signals available with the SenTec: ptCO

Differential pressure sensor Braebon

Can be connected to one of the bipolar inputs of the Nox A1. Records patient flow when
using a therapy device. For pressures up to 20 cmH

Differential pressure sensor Braebon 0580PES

Can be connected to one of the bipolar inputs of the Nox A1. Records patient flow when
using a therapy device. For pressures up to 50 cmH

Contact your ResMed representative for more details.

™

10 / AirCurve™ 10

™

™

devices (TCM4 and TCM40). Can be connected to

, SpO2, Pulse.

2

, SpO2, Pulse, Pulsation Index.

2

™

PT1 0580

O.

2

O.

2

therapy devices or between

™

Digital Monitor. Can be connected

7075367

7073481

7073480

7073482

7075368

5

Nox A1 system

• Ambulatory study

Configure

a recording

Insert

batteries

Patient

hook-up

Check

signals

Clean

devices and

accessories

Download

data

6

Congure a recording

7

Congure a recording

• Connect the Nox A1

Open Noxturnal software on your computer.

Open the battery lid of the Nox A1 using the opening tool
provided and connect the device to the USB port of the computer.

In Noxturnal software, click on Recording >
Configure device to open the configuration
wizard.

8

Congure a recording

• Step 1: Select a recording type

Choose a suitable recording type from the drop-down list.

Enter the BDA number shown on the
back of your oximeter.

Click on Next to continue.

9

Congure a recording

• Step 2: Schedule recording

“Start Recording At” option is recommended.

3

1
2

4

Select

1

The number of nights

2

The start time

3

The date

4

The duration

Click on Next to continue.

10

Congure a recording

• Step 3: Enter patient information

Add information on the patient’s identity and physical characteristics.

Add at least patient’s First and Last names or
patient ID before finishing.

The Tags fields can be used to link keywords to
the patient in order to easily find him later in the
recordings library.

Use the Edit... button to enter more detailed
information about your patient before the hookup.

Click on Finish.

11

Congure a recording

• End configuration

Click on Finish to close this window
and disconnect the device.

12

Congure a recording

• Insert batteries

Insert a new lithium battery or a fully recharged NiMh battery into the Nox A1 device.

For the Nox A1: 1 AA battery

• Lithium batteries are recommended. They last for up to 15h of
recording. Replace them after each recording.

• NiMh batteries that are recommended for the Nox A1 device
are 2700mAh Powerex or 2500mAh Panasonic Eneloop pro.
They last for 8 to 10 hours of recording.

Alkaline batteries are not compatible with the Nox A1
device.

For the Nonin 3150 oximeter: 2 AAA batteries

• Alkaline batteries last for up to 24h. It is recommended

that they are replaced every 2 recordings.

• Rechargeable batteries should be recharged completely

before every recording.

13

Patient hook-up

14

Patient hook-up

Attach the device and the belts

•

2

1

3

1 - Clip the abdomen cable to the back

of the device and snap the clips
onto the patient’s pyjamas.

2 - Wrap the RIP belt around the patient’s

thorax and snap it at the back of the
device.

3 - Repeat this for the abdomen belt and

snap it to the cable.

15

Patient hook-up

• Place the EKG cable

Equipment needed:

EKG snap-on lead wire - Orange (PN 7072172)

Electrode site:

Connection to the Nox A1:

2 disposable adhesive electrodes (PN 7075209)

Scrub the patient’s skin with NuPrep before
placing the adhesive electrodes.

Under the right clavicle.

th

On the 7

The EKG cable must be plugged into the bipolar
EKG channel.

left rib.

16

Patient hook-up

• Place the PLM cables

Equipment needed:

PLM snap-on lead wire
Grey (PN 7073438)

Electrode site:

Connection to the Nox A1:

PLM snap-on lead wire
Black (PN 7073439)

Scrub the patient’s skin with NuPrep before placing
the adhesive electrodes.

Electrodes must be placed on the tibialis anterior muscle.

If needed, secure the electrodes with tape and/or a Surgilast net.

Connect the black cable (left leg) to the LM1 bipolar input and
the grey cable (right leg) to the LM2 bipolar input.

4 disposable adhesive electrodes
(PN 631526)

17

Patient hook-up

• Place the chin EMG electrodes

Equipment needed:

3 disposable adhesive electrodes (PN 7073775)

Electrode site:

Scrub the patient’s skin with NuPrep before placing the adhesive
electrodes.

F - On the midline and 1 cm above the inferior border of the mandible.
1 - 2 cm below the inferior border of the mandible and 2 cm right

of the midline.

2 - 2 cm below the inferior border of the mandible and 2 cm left

of the midline.

Connection to the Nox A1:

Connect corresponding electrodes to the inputs F, 1 and 2.

18

Patient hook-up

• Place the EEG head cable

Before attaching the electrodes, it is important to properly position the ground reference
of the EEG head cable.

1 - Choose a snap-on electrode and place

the EEG head cable as shown below:

2 - Scrub the patient’s forehead with

NuPrep and attach the electrode to
the forehead by gently pressing on the
white ring of the electrode.

3 - Connect the 2 EEG lead cables as

shown below:

4 - Pre-position the cups on the head.

19