Abstract: Provided is a bone conduction hearing aid device, including: a housing, a piezoelectric vibration assembly and a vibration transmission element, the piezoelectric vibration assembly and the vibration transmission element are both arranged in the housing, a first end of the vibration transmission element is connected with the piezoelectric vibration assembly, a second end of the vibration transmission element is connected with the housing, and the housing includes a vibration output portion that outputs vibration through contact.
Abstract: A bone conduction hearing device, comprising an electronic assembly, a vibration component and a battery, the battery being configured to power the electronic assembly and the vibration component, the electronic assembly being configured to control the vibration of the vibration component, and the electronic assembly and the vibration component being configured to be placed inside an accommodation space formed between at least two adjacent molars and an alveolar bone.