Related Experiment Video
Updated: Aug 4, 2026
09:06
Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice
Published on: January 9, 2019
Bioelectronic options for a totally implantable hearing device for partial and total hearing loss
A J Maniglia1, G Murray, J E Arnold
1Department of Otolaryngology-Head and Neck Surgery, Case Western University School of Medicine, Cleveland, Ohio 44106-5045, USA.
Otolaryngologic Clinics of North America
|May 31, 2001
Summary
A novel semi-implantable electromagnetic hearing device (SIMEHD) shows promise for sensorineural hearing loss. Its transducer can also function as a bioelectronic microphone by converting vibrations into electrical signals.
Area of Science:
- Biomedical Engineering
- Otolaryngology
- Bioelectronics
Background:
- Sensorineural hearing loss (SNHL) affects millions globally.
- Current hearing aids have limitations in sound quality and comfort.
- A need exists for advanced audiological devices.
Purpose of the Study:
- To develop and evaluate a semi-implantable electromagnetic hearing device (SIMEHD).
- To explore the potential of the SIMEHD transducer as a bioelectronic microphone.
Main Methods:
- Development of an electromagnetic transducer for SIMEHD.
- Testing of the device in animal models and a limited clinical trial.
- Utilizing a NdFeBo magnet on the malleus for contactless signal transduction.
Main Results:
- Successful development and preliminary testing of the SIMEHD.
- Demonstrated the electromagnetic transducer's capability to convert mechanical vibrations into electrical signals.
- The device functions effectively in reverse mode as a bioelectronic microphone.
Conclusions:
- The SIMEHD is a viable new technology for treating SNHL.
- The electromagnetic transducer offers a dual function, serving as both a hearing device driver and a bioelectronic microphone component.
- Further clinical trials are warranted to establish efficacy and safety.
