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Instructions for use BiliLux
47
Operation
8.2
Adjusting light distance and coverage for the patient
The irradiance level is affected by the distance of the phototherapy light relative to
the patient. Irradiance increases as this distance decreases. Conversely, irradiance
decreases as the distance increases.
To decrease irradiance, raise the phototherapy light.
To increase irradiance, lower the phototherapy light. The minimum distance
between the light and the patient is 30 cm (12 in).
The graph below shows irradiance levels at distances of 30 cm, 40 cm, and 50 cm
within a wavelength range of 460 nm to 490 nm with the phototherapy light
positioned horizontally above the mattress.
For effective therapy, position the light over the patient so that it covers as much body
surface as possible.
Ir
ra
dian
ce (µW/cm
2
/n
m)
Irradiance setting (%)
027
10
20
30
40
50
60
70
80
90
20
40
60
80
100
30 cm/11.81 in
_____
40 cm/15.75 in
..........
50 cm/19.69 in
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Содержание BiliLux
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