Artificial tympanum

Abstract

The invention provides an artificial tympanum. The artificial tympanum comprises a support body and an elastic body, the elastic body is capable of vibrating under the action of sound waves, the elastic body is used for supporting an artificial auditory ossicle, the support body is placed in the tympanum and supports and fixes the elastic body to corresponding position, the support body is fixedlyconnected with the elastic body, and the elastic body supports the artificial tympanum in a specific direction. The provided artificial tympanum can be applied to situations of auditory tube afunction and occupation of the tympanum by scar tissues, the artificial tympanum is implanted into a tympanum where an aerated cavity cannot be reconstructed, the entire tympanum is occupied, tympanum adhesion can be prevented by the support body, a tympanic cavity is occupied, and the scar is prevented from filling up the entire tympanum; and the tympanum composed of the support body and the elastic body replaces the original tympanum cavity, and the combination of the elastic body and the artificial ossicle is used for replacing the tympanum and a human ossicular chain to complete transmission of sound to an inner ear.

Description

technical field [0001] The invention relates to the field of medical instruments, and in particular to an artificial tympanum. Background technique [0002] Patients with chronic otitis media or other middle ear lesions destroy the necessary conditions for sound transmission such as the tympanic membrane, ossicular chain, tympanic mucosa, and Eustachian tube, resulting in conductive hearing loss. Reconstruction of the ossicular chain is a good way to help these patients restore their hearing. However, due to lesions, the tympanic membrane, ossicular chain, tympanic mucosa, eustachian tube and other necessary conditions for sound conduction are often destroyed, the tympanic membrane is invaginated and even the tympanic cavity is adhered, and a functional air-containing cavity in the tympanic cavity cannot be formed, so the Ossicular chain reconstruction technology helps patients improve their hearing. Although these patients choose ear canal or bone conduction hearing aids ...

AI Technical Summary

Problems solved by technology

However, due to lesions, the tympanic membrane, ossicular chain, tympanic mucosa, eustachian tube and other necessary conditions for sound conduction are often destroyed, the tympanic membrane is invaginated and even the tympanic cavity is adhered, and a functional air-containing cavity in the tympanic cavity cannot be formed, so the Ossicular chain reconstruction technology helps patients improve hearing

Although these patients choose ear canal or bone conduction hearing aids to improve their hearing, neither can restore the sound wave conduction that is closest to physiological conditions

Moreover, the price of bone conduction hearing aids is relatively high, and its external parts affect the appearance of patients, and MRI examinations cannot be accepted after implantation

[0003] For patients with eustachian tube dysfunction, tympanic adhesions, etc. that cannot form an air-containing tympanic cavity, a considerable number of patients have normal cochlear function, but due to surgical resection of the ossicles and tympanic membrane, the air conduction hearing is destroyed, that is, through the ossicular chain, The function of the tympanic membrane conduction is disrupted

Images