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Three Eustachian catheters, 1900-1920

The three Eustachian catheters are seen with an otoscope and an explanatory picture showing it in use. They were used for the catheterisation of the Eustachian tube. This tube connects the nose with the middle ear. Catheterisation was commonly practised for therapeutic reasons or, when combined with an otoscope, diagnostic purposes.

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Related Themes and Topics



Glossary: catheter

A flexible tube, narrow enough to be inserted into the body, where it is used for withdrawing fluids. Most typically used for extracting urine from the bladder.

Glossary: diseases of the ear, nose and throat

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