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6. Inspect the headgear
After applying the headgear, inspect it for proper fit, strap
placement and tension. When properly attached, the
generator should sit perpendicular to the infant’s face. After
applying the headgear and generator, conduct a final check
for proper placement. The septum should always be visible.
If not, the prongs are in too deep or the straps are pulled
too tight.
• Align the side straps with the brow line, without
them covering the eyes or resting in the center of the
forehead. This ensures the proper placement of the
support block and correct position of the generator
assembly. If the straps are placed too high on the
forehead, they affect the alignment of the interface.
This may cause the interface to push up against the
nasal septum or make it difficult to maintain a good
seal with the mask and prongs.
• Evenly cover both ears with the fixation device. This
helps protect the ears and muffle the sound created
by the variable flow generator.
• Confirm the ears are flat, not folded underneath the
headgear. Conduct routine checks behind the ear for
skin irritation or moisture buildup.
• Check that the scalloped bottom of the headgear lies
at the nape of the neck.
• Confirm the headgear is snug enough to maintain a
proper fit and prevent slippage.
• Avoid using headgear that is too large. Otherwise, the
headgear folds in the back and does not conform to the
shape of the infant’s head.
• Ensure the straps lie flat and are not twisted.
• Routinely check the measurement of the head
circumference and adjust the headgear as indicated
to accommodate the infant’s changing head size.
Correct headgear placement
1. The straps are aligned correctly to the brow line. The
center strap is properly folded back, without too much
tension on strap 3.
2. The headgear lies flat and fully covers the ear without
any large folds in the back of the headgear.
3. The scalloped edge of the headgear lies at the nape of
the neck. The back of the headgear conforms to the
infant’s head.
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