MedRx Avant - Transducer Placement and Types

D-0123003-B 05/2019
9
Supra-Aural Headphones
1. Place the headphones on the
patient’s head so the center of the
headphone is directly over the
opening of the ear canal.
2. Adjust the headband so the
headphones remain in place, but
be careful not to make it so tight as
to cause patient discomfort.
High Frequency Earphones (HDA 200) *Stealth Only*
NOTE: The HDA 200
Earphones are part of an
upgrade option for the
AVANT Stealth Audiometer.
If you need to test
frequencies beyond 8000
Hz, you must notify MedRx.
This option carries a price
differential which will be
detailed at the time of order.
1. Place the earphones on the
patient’s head so the center of the
earphone
is directly over the opening of the
ear canal.
Adjust the headband so the earphones
remain in place, but be careful not to
make it so tight as to cause patient
discomfort
.
Placing the Bone Conductor
1. Locate the mastoid process behind the pinna. This is
the bony shelf just behind where the ear meets the
head.
2. Carefully place the bone conductor on the mastoid
process and hold it in place.
3. Place the headband over the head to the opposite
temple.
4. Carefully and slowly loosen your grip to check if the
bone vibrator and headband will stay in place.
If either moves, reposition until both the headband and
bone vibrator are secure.