With a measuring tape, measure the largest circumference of the patient head, ie i.e., the most prominent part on the back of the head (occipital) and just above the eyebrows (supraorbital ridges). There are five headband options available. According to the measured head circumference, choose the band size defined in Table 6.2-1 Fixing Head Band Sizes.
Table 6.2-1 Headband Sizes
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