Due to the easy feasibility of caloric stimulation by air it has won more and more recognition. Compared to the medium water, the air has the advantage that after rinsing there is no need to collect the medium in any way. A water connection or outflow is unnecessary. Another crucial advantage is, that it is possible to stimulate calorically perforated eardrums also Another advantage is the possibility to be able to flush in any position of the patient. With a removable ear-joining piece
made of skin friendly rubber a targeted air flow is brought into the external auditory canal. By special formability pitot heating up, violation of the ear canal can be avoided.