Sound transmission by cartilage conduction in ear with fibrotic aural atresia.

• Material Type: 博士論文
• ISSN: 0748-7711
• Title: Sound transmission by cartilage conduction in ear with fibrotic aural atresia.
• Volume: 51 2
• Author/Editor: Morimoto, Chihiro; Nishimura, Tadashi; Hosoi, Hiroshi; Saito, Osamu; Fukuda, Fumi; Shimokura, Ryota; Yamanaka, Toshiaki
• Author Heading: Morimoto, Chihiro; Nishimura, Tadashi; Hosoi, Hiroshi; Saito, Osamu; Fukuda, Fumi; Shimokura, Ryota; Yamanaka, Toshiaki
• Publication, Distribution, etc.: U.S. Department of Veterans Affairs
• Publication Date: 2014; 51 2
• Publication Date (W3CDTF): 2014
• Alternative Title: 軟組織による外耳道閉鎖症例での軟骨伝導
• Periodical title: Journal of Rehabilitation Research and Development
• Degree grantor/type: 奈良県立医科大学
• Date Granted: 2014-03-17
• Date Granted (W3CDTF): 2014-03-17
• Dissertation Number: 甲第621号
• Degree Type: 博士（医学）
• Conferring No. (Dissertation): 甲第621号
• Text Language Code: eng
• Subject Heading: acquired aural atresia; airborne sound; binaural hearing; bone-anchored hearing aid; bone conduction; external auditory canal
• Target Audience: 一般
• Note (General): type:Thesis; A hearing aid using cartilage conduction (CC) has been proposed as an alternative to bone conduction (BC) hearing aids. The transducer developed for this application is lightweight, requires a much smaller fixation force than a BC hearing aid, and is more convenient to use. CC can be of great benefit to patients with fibrotic aural atresia. Fibrotic tissue connected to the ossicles provides an additional pathway (termed fibrotic tissue pathway) for sound to reach the cochlea by means of CC. To address the function of fibrotic tissue pathway, BC and CC thresholds were measured in six ears with fibrotic aural atresia. The relationship between the CC thresholds and the results of computed tomography was investigated. In the ears with the presence of a fibrotic tissue pathway, the CC thresholds were lower than the BC thresholds at 0.5 and 1.0 kHz. At 2.0 kHz, no significant difference was observed between the BC and CC thresholds. The current findings suggest that sound in the low to middle frequency range is transmitted more efficiently by CC via a fibrotic tissue pathway than BC. The development of hearing devices using CC can contribute to rehabilitation, particularly in patients with fibrotic aural atresia.; 博士（医学）・甲621号・平成26年3月17日; identifier:Journal of Rehabilitation Research and Development Vol.51 No.2 p.325-332; identifier:07487711; identifier:http://ginmu.naramed-u.ac.jp/dspace/handle/10564/2706; identifier:Journal of Rehabilitation Research and Development, 51(2): 325-332
• DOI: info:doi/10.1682/JRRD.2013.05.0128; https://doi.org/info:doi/10.1682/JRRD.2013.05.0128
• Persistent ID (NDL): info:ndljp/pid/8950069; https://dl.ndl.go.jp/pid/8950069
• Collection: 障害者向け資料
• Collection (Materials For Handicapped People:1): テキストデータ
• Collection (particular): 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文; https://dl.ndl.go.jp/collections/A00014
• Acquisition Basis: 博士論文（自動収集）
• Available (W3CDTF): 2015-03-03
• Date Accepted (W3CDTF): 2015-02-03T05:25:05+09:00
• Format (IMT): application/pdf
• Access Restrictions: 国立国会図書館内限定公開
• Service for the Digitized Contents Transmission Service: 図書館・個人送信対象外
• Availability of remote photoduplication service: 可
• Periodical Title (URI): http://hdl.handle.net/10564/2706
• Data Provider (Database): 国立国会図書館 : 国立国会図書館デジタルコレクション; https://dl.ndl.go.jp

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