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INTRATYMPANIC INJECTOR DEVICES AND NEEDLES FOR DELIVERY OF DRUGS AND METHODS OF USE
INTRATYMPANIC INJECTOR DEVICES AND NEEDLES FOR DELIVERY OF DRUGS AND METHODS OF USE
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机译:用于递送药物和使用方法的腹腔内注射器装置和针
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摘要
A system for delivering one or more therapeutics to a region of the ear, the region being internal to a tympanic membrane. The system includes a canal guide configured to be inserted within and fittingly engaged with walls of the ear canal and needle assembly having a flexible shaft sized to extend through the canal guide. The canal guide provides alignment of the needle assembly within the ear canal relative to the tympanic membrane. The canal guide includes a viewing lumen extending between a proximal end to a distal-most end of the canal guide and is sized to remain external to the tympanic membrane. The canal guide includes a guide lumen extending to a distal opening near the distal-most end of the canal guide. The guide lumen curves from a first axis to a second axis. Related devices, systems, and methods are provided.
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