AA222 Instructions for Use - US Page 1
1 Introduction
1.1 About this manual
This manual is valid for the AA222 (Model 1078) firmware version 1.11.
The product is manufactured by:
Interacoustics A/S
Audiometer Allé 1
5500 Middelfart
Denmark
Tel: +45 6371 3555
Fax: +45 6371 3522
E-mail: info@interacoustics.com
Web: www.interacoustics.com
1.2 Intended use
Indications for use
The Interacoustics Audio Traveller AA222 is intended for use by trained operators in hospitals, nurseries,
ENT clinics and audiology offices in conducting diagnostic hearing evaluations and assisting in diagnosis of
possible otologic disorders. The AA222 is a combination of audiometer and tympanometer, which reduces
the amount of equipment necessary.
Intended operator
Trained operators like audiologist, hearing healthcare professional, or trained technician
Intended population
No restrictions
1.2.1 Contraindications for performing impedance audiometry
• Recent stapedectomy or other middle ear surgery
• Discharging ear
• Acute external auditory canal trauma
• Discomfort (e.g. severe otitis externa)
• Occlusion of the external auditory canal
• Presence of tinnitus, hyperacusis or other sensitivity to loud sounds may contraindicate testing when
high intensity stimuli are used
Tympanometry should not be performed on patients with the above-mentioned symptoms without a medical
doctor’s approval.
Visual inspection for obvious structural abnormalities of the external ear structure and positioning as well as
the external ear canal should be performed before testing.
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