![]() ![]() It may be carried out down the ear canal without any incisions if access is adequate. Most ear surgery is microsurgical, performed using an operating microscope to enable the surgeon to view the very small structures of the ear under general anaesthesia. Usually this is possible when there is a problem with the small bones (ossicles) in the middle ear which may be partially removed or replaced. ![]() Surgery is sometimes possible to improve the hearing. ![]() The Eustachian tube connects the middle ear to the back of the nose and ventilates it. The middle ear is an air-filled cavity which is sealed by the eardrum and contains the chain of three small bones called the malleus (hammer), incus (anvil) and stapes (stirrup).
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