| 摘要 |
An apparatus and related method for aiding the dispensation of a hearing aid, which is able to test the perception of a patient's hearing and determine the correct amplification of the hearing aid, includes a plug adapted to be received within a patient's ear. The plug has two tubes passing therethrough, with a first tube carrying the sound emitted from a source of sound and a second tube for acting as a vent within the patient's hear.
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