While it is possible that after installation in the ear canal also withdrawn at any time, artificial ear canal of the tympanic membrane interposed type that it is possible to prevent the positional deviation is disclosed. The artificial ear tube, and the eardrum tube member to be attached to the eardrum, and a tip for you tighten face the inserted cartilage part the ear canal to the ear canal from the tympanic side, the rear end of the order to keep out the eardrum out through the tympanic membrane tube member If, to include the artificial ear tube member is an elongated tube having a becomes, the rear end portion of the artificial ear tube member, and is characterized by having an inner diameter greater than outer dimensions of the through holes of membrane tube member.耳管に装着後も何時でも抜きとることができる一方,位置ずれを防止できる鼓膜挿置型の人工耳管が開示されている。当該人工耳管は,鼓膜に装着される鼓膜チューブ部材と,鼓室側から耳管内に挿入し軟骨部耳管内に臨ましめるための先端と,鼓膜チューブ部材を通して鼓膜外に出しておくための後端と,を有する細長いチューブである人工耳管部材とを含んでなり,人工耳管部材の後端部が,該鼓膜チューブ部材の貫通穴の内径より大きい外寸を有することを特徴とする。
