Apparatus and system for Doppler optical coherence tomography (OCT) on the human middle ear

It is a device (1) for Doppler optical coherence tomography (Doppler OCT), preferably on the human middle ear, proposed, said device (1) comprises an endoscope unit for at least partial insertion into the ear canal, a sound source in the endoscope unit (6), a sound receiving device (7) and an OCT optical system (10) are integrated.