ResMed AirFit N20 Bedienungsanleitung

Nasal mask

User guide

English

Fitting / 配戴 /配戴

11 22

Adjustment / 调整 / 調整

Removal / 取下面罩 / 取下面罩

iii

1 2

Disassembly / 拆卸 / 拆卸

1 2

Reassembly / 重新组装 / 重新組裝

3 4

30°C

1 2

Cleaning your mask at home / 家中清洁面罩须知 /

家中清潔面罩須知

English 1

ENGLISH

Nasal Mask

Thank you for choosing the AirFit N20. This document provides the user

instructions for the AirFit N20 and AirFit N20 for Her masks referred to

collectively as AirFit N20 throughout this manual.

Using this guide

Please read the entire guide before use. When following instructions,

refer to the images at the front of the guide.

Intended use

The AirFit N20 channels airflow non-invasively to a patient from a positive

airway pressure (PAP) device such as a continuous positive airway

pressure (CPAP) or bilevel device.

The AirFit N20 is:

•to be used by patients weighing more than 30 kg for whom positive

airway pressure has been prescribed

•intended for single-patient re-use in the home environment and

multi-patient re-use in the hospital/institutional environment.

WARNING

Magnets are used in the lower headgear straps and the frame of the

AirFit N20. Ensure the headgear and frame is kept at least 50 mm

away from any active medical implant (eg, pacemaker or

defibrillator) to avoid possible effects from localised magnetic fields.

The magnetic field strength is less than 400 mT.

Contraindications

Use of masks with magnetic components is contraindicated in patients

with the following pre-existing conditions:

•a metallic hemostatic clip implanted in your head to repair an

aneurysm

•metallic splinters in one or both eyes following a penetrating eye

injury.

GENERAL WARNINGS

•The vent holes must be kept clear.

•The mask should only be used with CPAP or bilevel devices

recommended by a physician or respiratory therapist.

•The mask should not be used unless the device is turned on. Once

the mask is fitted, ensure the device is blowing air. Explanation:

CPAP and bilevel devices are intended to be used with special

masks (or connectors) which have vent holes to allow continuous

flow of air out of the mask. When the device is turned on and

functioning properly, new air from the device flushes the exhaled

air out through the mask vent holes. However, when the device is

not operating, insufficient fresh air will be provided through the

mask, and the exhaled air may be rebreathed. Rebreathing of

exhaled air for longer than several minutes can, in some

circumstances, lead to suffocation. This applies to most models of

CPAP or bilevel devices.

•Follow all precautions when using supplemental oxygen.

•Oxygen flow must be turned off when the CPAP or bilevel device

is not operating, so that unused oxygen does not accumulate

within the device enclosure and create a risk of fire.

•Oxygen supports combustion. Oxygen must not be used while

smoking or in the presence of an open flame. Only use oxygen in

well ventilated rooms.

•At a fixed rate of supplemental oxygen flow, the inhaled oxygen

concentration varies, depending on the pressure settings, patient

breathing pattern, mask, point of application and leak rate. This

warning applies to most types of CPAP or bilevel devices.

•The technical specifications of the mask are provided for your

clinician to check that they are compatible with the CPAP or

bilevel device. If used outside specification or if used with

English 3

incompatible devices, the seal and comfort of the mask may not

be effective, optimum therapy may not be achieved, and leak, or

variation in the rate of leak, may affect the CPAP or bilevel device

function.

•Discontinue using this mask if you have ANY adverse reaction to

the use of the mask, and consult your physician or sleep therapist.

•Using a mask may cause tooth, gum or jaw soreness or aggravate

an existing dental condition. If symptoms occur, consult your

physician or dentist.

•As with all masks, some rebreathing may occur at low CPAP

pressures.

•Refer to your CPAP or bilevel device manual for details on

settings and operational information.

•Remove all packaging before using the mask.

•The mask must be used under qualified supervision for users who

are unable to remove the mask by themselves.

•This mask is not for use on patients with impaired laryngeal

reflexes or other conditions predisposing to aspiration in the

event of regurgitation or vomiting.

•Avoid connecting flexible PVC products (eg, PVC tubing) directly

to any part of the mask. Flexible PVC contains elements that can

be damaging to the materials of the mask, and may cause the

components to crack or break.

•The mask contains an exhaust port safety feature to enable

normal breathing. The mask should not be worn if this safety

feature is damaged or missing.

Using your mask

When using your mask with ResMed CPAP or bilevel devices that have

mask setting options, refer to the Technical specifications section in this

user guide for the correct setting.

For a full list of compatible devices for this mask, see the Mask/Device

Compatibility List on www.resmed.com/downloads/masks. If you do not

have internet access, please contact your ResMed representative.

Fitting

1. Twist and pull both magnetic clips away from the frame.

2. With both lower headgear straps released, hold the mask against your

face and pull the headgear over your head.

Headgear check:

Ensure that the ResMed logo on the headgear is facing outwards and

is upright when the headgear is put on.

3. Bring the lower straps below your ears, and attach the magnetic clip

to the frame.

4. Undo the fastening tabs on the upper headgear straps. Adjust the

straps evenly until the mask sits comfortably just over the nose.

Reattach the fastening tabs.

5. Undo the fastening tabs on the lower headgear straps. Adjust the

straps evenly until the mask is stable. Reattach the fastening tabs.

6. Connect the device air tubing to the short tube. Attach the elbow to

the mask by pressing the side buttons and pushing the elbow into the

mask, ensuring it clicks in on both sides.

7. Your mask and headgear should be positioned as shown in the

illustration.

Adjustment

If necessary, slightly adjust the position of the mask for the most

comfortable fit. Ensure that the cushion is not creased and the headgear

is not twisted.

1. Turn on your device so that it is blowing air.

Adjustment tips:

To resolve any leaks at the upper part of the mask, adjust the

upper headgear straps. For the lower part, adjust the lower

headgear straps. Adjust only enough for a comfortable seal.

The upper strap adjustment is the key to seal and comfort.

Do not overtighten the lower straps because they mainly serve to

keep the cushion in position.

Removal

1. Twist and pull both magnetic clips away from the frame.

2. Pull the mask away from your face and back over your head.

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