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Experimental Verification of Implantable Middle Ear System using the Differential Electromagnetic Type Transducer  

송병섭 (경북대학교 센서기술 연구소)
이기찬 (경북대학교 전자전기컴퓨터학부)
원철호 (경일대학교 제어계측공학과)
박세광 (경북대학교 전자전기컴퓨터학부)
이상흔 (경북대학교 의과대학 이빈인후과 교실)
조진호 (경북대학교 의과대학 의공학교실, 경북대학교 전자전기컴퓨터학부)
Publication Information
Journal of Biomedical Engineering Research / v.23, no.3, 2002 , pp. 217-225 More about this Journal
Abstract
The implantable middle ear(IME) system, which has good sound quality. superior sound intelligibility and wide frequency characteristics. can resolve the sound distortion and ringing effect by sound feedback at high gain operation those are the major problems of conventional hearing aid. In this paper, we have manufactured the IME system using differential electromagnetic transducer(DET) and verified the performance of the system by carrying out vibration and animal implanting experiment. The DET was manufactured using micro-machining technology and vibration experiment of the transducer was performed to inspect whether the transducer could vibrate in accordance with the applied sound signal or not. And the result of the loaded experiment using temporal bone sampled from cadaver showed that the transducer can drive the middle ear bone and transmit the signal to inner ear After the internal unit of IME system was implanted in a dog. the auditory brainstem response (ABR) test was carried out. The result of the test indicated the Proper behavior of the IME system in the living body From the results of the experiments, it is verified that the manufactured system ewll work well when it is applied to human and a basis of clinical experiment of IME system to real human hearing impaired was be arranged.
Keywords
Implantable middle ear Sound; Transducer; Hearing aid; Vibration.;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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