Invacare 1126360 3 User Manual
Assembly, Installation, and Operating
Instructions
Invacare
®
Twilight™II
Nasal Mask
LATEX
FREE
USER: Before using this nasal mask, read this manual and save
for future reference.
DEALER: This manual must be given to the end user.
For more information regarding
Invacare products, parts, and services,
please visit www.invacare.com
SPECIAL NOTES
SPECIAL NOTES
Signal words are used in this manual and apply to hazards or
unsafe practices which could result in personal injury or
property damage. Refer to the table below for definitions of
the signal words.
SIGNAL WORD MEANING
Danger indicates an imminently hazardous situation
DANGER
WARNING
which, if not avoided, will result in death or serious
injury.
Warning indicates a potentially hazardous situation
which, if not avoided, could result in death or serious
injury.
CAUTION
Caution indicates a potentially hazardous situation
which, if not avoided, may result in property damage.
NOTICE
THE INFORMATION CONTAINED IN THIS
DOCUMENT IS SUBJECT TO CHANGE WITHOUT
NOTICE.
Check ALL parts for shipping damage. If shipping damage
is noted, DO NOT use. Contact Dealer/Carrier for further
instruction.
The Invacare Model Twilight II Nasal Mask is intended to
be used with positive airway pressure devices such as
CPAP, for the treatment of adult obstructive sleep apnea.
There is a port on the mask swivel to allow for pressure
measurement. The mask is to be used on adult patients
(>30 kg) for whom positive airway pressure therapy has
been prescribed. The mask is intended for single or
multiple patient reuse.
Invacare® Twilight™II Nasal Mask 2 Part No 1126360
SPECIAL NOTES
WARNING
DO NOT install, maintain or operate this equipment
without first reading and understanding this manual. If
you are unable to understand the DANGERS/
WARNINGS/CAUTIONS and INSTRUCTIONS, contact
your Home Healthcare provider before attempting to use
this equipment - otherwise injury or damage may result.
Invacare products are specifically designed and
manufactured for use in conjunction with Invacare
accessories. Accessories designed by other manufacturers
have not been tested by Invacare and are not
recommended for use with Invacare products.
Part No 1126360 3 Invacare® Twilight™II Nasal Mask
GENERAL GUIDELINES
GENERAL GUIDELINES
WARNING
GENERAL GUIDELINES contains important information
for the safe operation and use of this product. DO NOT
use this product or any available optional equipment
without first completely reading and understanding these
instructions and any additional instructional material such
as Owner’s Manuals, Service Manuals or Instruction
Sheets supplied with this product or optional equipment.
If you are unable to understand the Warnings, Cautions
or Instructions, contact a health care professional, dealer
or technical personnel before attempting to use this
equipment - otherwise, injury or damage may occur.
This Twilight II Nasal Mask should be used only with CPAP
systems recommended by your physician or respiratory
therapist. A mask should not be used unless the CPAP system
is turned on and operating properly.
NEVER block the vent holes associated with the mask.
CPAP systems are intended to be used with special masks
which have vent holes to allow continuous flow of air out of the
mask. When the CPAP machine is turned on and functioning
properly, new air from the CPAP machine flushes the exhaled
air out through the mask exhalation vent holes. However, when
the CPAP machine is not operating, not enough fresh air is
provided through the mask, and exhaled air may be
rebreathed. Rebreathing of exhaled air for longer than several
minutes can in some circumstances lead to suffocation. This
warning applies to most models of CPAP systems.
CAUTION
Federal law restricts this device to sale by or on the order
of a physician.
Invacare® Twilight™II Nasal Mask 4 Part No 1126360
USING HEADGEAR/MASK ASSEMBLY
Using Headgear/Mask Assembly
NOTE: For this procedure, refer to FIGURE 1 on page 7 and
FIGURE 2 on page 8.
NOTE: Wash the headgear before using it for the first time, as dye
may run. Refer to Cleaning the Mask and Headgear on page 9.
NOTE: Invacare recommends washing your face before each use of
the mask. This will remove excess facial oil and extend the life of the
mask.
NOTE: Twilight II Nasal Mask is supplied fully assembled.
1. Remove the clear protective cover that is over the cushion.
2. Check for the following:
A. Ensure that the nasal cushion is fully attached.
B. Ensure the mask and hose swivels rotate properly.
C. Ensure the port plug is fully seated to seal the port, and
the exhalation vent holes are clear.
3. Unfasten one or both of the headgear clips from the mask
shell. Refer to FIGURE 2 on page 8.
4. Connect a standard 22 mm bore, 6-foot hose from your
flow generator to the hose swivel by pressing the tube end
over the hose swivel.
5. Turn on the flow generator.
WARNING
Flow generator MUST be on BEFORE placing the mask
on your face.
6. Place the mask on your face with the headgear straps
behind your head.
7. Fit the mask loosely over your nose and mouth.
NOTE: A minimal amount of pressure should be used to secure the
nasal mask to the face.
Part No 1126360 5 Invacare® Twilight™II Nasal Mask
USING HEADGEAR/MASK ASSEMBLY
8. Adjust the mask position on the nose by doing the
following:
A. Press the forehead support adjustment tab.
B. Slide the forehead support up or down until it contacts
the forehead and the upper portion of the cushion
lightly touches the bridge of the nose.
C. Release the adjustment tab to lock it in the desired
position.
9. Attach the headgear clips to the mask, and adjust the strap
lengths as needed.
NOTE: Proper mask fit should allow full contact of the cushion
without excessive pressure on the face.
NOTE: If a leak occurs, tighten or loosen the headgear straps by
readjusting the hook-and-loop fastening strips.
WARNING
DO NOT pull the straps too tight; this can cause skin
irritation and may deform the nasal cushion, causing a
leak. If the mask and headgear are adjusted correctly and
a problem persists, contact your health care professional.
Invacare® Twilight™II Nasal Mask 6 Part No 1126360
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