| 摘要 |
PROBLEM TO BE SOLVED: To provide a hearing aid which enables a user to easily communicate with a person who is handicapped in hearing without using electricity. SOLUTION: The hearing aid is so constituted as to have a container-shaped sound collection part 4 whose opening part for collecting the voice spoken by a human body is made large enough to cover the mouth of the human, a voice conduction tube 6 made of a tubular flexible member which is connected to the base part of the sound collection part and guides the sound collected with the sound collection part, and a mount part 8 which is provided atop of the sound conduction tube and inserted and mounted in the ear of the human. Consequently, the user is able to easily communicate with a person who is handicapped in hearing without using any electricity.
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