Tympanic membrane perforation subsidy repair tool

Abstract

The invention relates to the technical field of medical devices, and in particular discloses a subsidized repair tool for tympanic membrane perforation, which includes a drug delivery tube, the inner end of the drug delivery tube is provided with a spherical semipermeable membrane that can expand under pressure, and the spherical semipermeable membrane and the drug delivery tube Connected, the outer end of the drug delivery tube is provided with a silica gel block that fits the auricle, the outer end of the drug delivery tube passes through the silica gel block and a drug delivery joint is provided at the end, and a spongy body is provided on the outer side of the spherical semi-permeable membrane. The end surface of the spongy body is a spherical surface; a trachea is provided in the drug delivery tube, a spherical air bag is arranged in the spherical semipermeable membrane, the spherical air bag communicates with the inner end of the trachea, and the outer end of the trachea stretches out from the side of the drug delivery tube and is provided There is an inflatable nozzle, and a drug delivery gap is arranged between the trachea and the drug delivery tube. Therefore, the present invention has the beneficial effects of being able to accurately deliver the medicament to the tympanic membrane, and at the same time control the slow absorption of the medicament by the tympanic membrane, making the use safer and more convenient.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to an eardrum perforation subsidy repair tool. Background technique [0002] Traumatic tympanic membrane perforation is a common trauma in otolaryngology. The traditional conservative treatment for tympanic membrane perforation is to keep the ear canal dry on the basis of anti-inflammation and blood circulation. Lesions, some doctors now directly use the method of dropping medicine, that is, drip the medicine from the ear hole into the ear canal, and the medicine will reach the eardrum along the ear canal, so as to achieve the purpose of repairing and treating the eardrum, but the medicine is flowing along the ear canal During the process, it will be polluted by bacteria in the ear canal. The medicine with bacteria will easily cause infection after reaching the tympanic membrane, and the liquid medicine will directly act on the tympanic membrane. Excessive medicine will ente...

AI Technical Summary

Problems solved by technology

Although this patent can be used to administer medicine through the drug delivery tube and the medicine bag, it still cannot control the precise delivery of the medicine to the tympanic membrane, and it is also difficult to prevent the medicine from entering the middle ear, so it cannot be used for the repair of the tympanic membrane subsidy

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