D-0114042-D – 2020/03
Sera™ - Additional Information Page 17
6.5.2 Place transducer
Do not insert the probe tip into the patient’s ear canal without a
disposable ear tip attached.
Figure 12: Probe with ear tip
Choose the appropriate size of ear tip based on your inspection of the
size of the baby’s ear canals (Figure 10). The Sanibel green Preemie
and the red flanged ear tip fits most newborn ears. Other sizes are
available for larger ear canals.
Place the ear tip onto the probe tip.
Figure 13: Probe
Insert the probe with ear tip attached into the baby’s first test ear. Do
this by pulling gently down and out on the baby’s ear lobe to open up
the ear canal. Hold the probe, aim and gently twist the ear tip into the
ear canal. The fit of the ear tip should be secure; not superficial.
Release the earlobe. You should not hold the probe during the
measurement as this can produce noise in the recording.
OAE tests should not be performed while holding the probe in the
patient’s ear as this increases noise levels and the chance of incorrect
delivery of the stimulus.
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