Balanced-armature-based, electromagnetic actuator for round window stimulation of the inner ear with static pre-load.

ABSTRACT: Roughly 5% of the population is affected by hearing loss. In case of a functional middle ear impairment with decreased transmission, different types of active middle ear implants may restore hearing. To drive the round window membrane (RWM) for example, bone anchored actuators or floating mass transducer (FMT) have been used in clinics. Bone anchored devices are usually too big for the round window niche and FMTs display low displacement and force at low frequencies. This paper focuses on the stimulation of the RWM by a stator-based actuator that combines small size and bone anchoring. The design features a rotational-symmetric balanced armature core with flexible membrane parts manufactured micro technologically. Membranes and assembled prototypes were evaluated on the bench in the range

SUBMITTER: Prediger MS 

PROVIDER: S-EPMC12748139 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature