와우내 선형 전극의 위치와 삽입 손상에 대한 측두골 연구

박민현; 이호선; 박세익; 전상범; 김상준; 오승하

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자료유형: 학술저널

저자정보: 박민현 이호선 박세익 전상범 김상준 오승하

저널정보: 대한이비인후과학회 대한이비인후-두경부외과학회지 대한이비인후과학회지 두경부외과학 제51권 제11호

발행연도: 2008.1

수록면: 999 - 1,003 (5page)

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The goal of this study was to examine insertion depth, intracochlear position and insertion trauma with the stimulation electrode of the Nurobiosys cochlear implant. Subjects and Method：Four electrodes were implanted in fresh temporal bones of the human cadavers using realistic surgical procedures. Plain film X-ray images were taken from the electrode inserted in the specimens to estimate the insertion depth. After the electrode implantation, all human temporal bones were trimmed to extract the cochleae. The extracted cochleae from the temporal bone were immersed in acrylic resin to fix the position of electrode placed in the scala tympani. The resin treated cochleae were cut in radial section and polished. All crosssections were imaged with a microscope to assess the trauma by the electrode implantation. Results：The mean insertion depth was about 300°with the cochlea angle. The insertion trauma was observed in one section of a temporal bone. The mean distance from electrode to modiolus was about 0.75 millimeter. Conclusion：The incidence, severity of trauma and insertion depth of the studied electrode showed similar results with that of other straight type electrode in literature. (Korean J Otorhinolaryngol- Head Neck Surg 2008;51:999-1003)

#Cochlear implant·Temporal bone·Trauma·Insertion depth.

참고문헌 (19)

참고문헌 신청

An SK / 2007 / Design for a simplified cochlear implant system / IEEE Trans Biomed Eng 54 (6) : 973 ~ 982

Briaire JJ / 2000 / Field patterns in a 3D tapered spiral model of the electrically stimulated cochlea / Hear Res 148 (1) : 18 ~ 30

Gantz BJ / 2003 / Combining acoustic and electrical hearing / Laryngoscope 113 (10) : 1726 ~ 1730

Gstoettner W / 1999 / Intracochlear position of cochlear implant electrodes / Acta Otolaryngol 119 (2) : 229 ~ 233

Kennedy DW / 1987 / Multichannel intracochlear electrodes: Mechanism of insertion trauma / Laryngoscope 97 (1) : 42 ~ 49

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