Objective and subjective evaluations of the Nurotron Venus cochlear implant system via animal experiments and clinical trials

Conclusion: This study described objective and subjective evaluations of the Nurotron® Venus™ Cochlear Implant System and indicated that this system produced a satisfactory performance. Objective: To observe the performance of the Nurotron® Venus™ cochlear implant (CI) system via electrophysiologica...

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Bibliographic Details
Published in:Acta oto-laryngologica 2016-01, Vol.136 (1), p.68-77
Main Authors: Gao, Na, Xu, Xin-Da, Chi, Fang-Lu, Zeng, Fan-Gang, Fu, Qian-Jie, Jia, Xian-Hao, Yin, Yan-Bo, Ping, Li-Chuan, Kang, Hou-Yong, Feng, Hai-Hong, Wu, Yong-Zhen, Jiang, Ye
Format: Article
Language:English
Subjects:
Adolescent
Adult
Animals
Audiometry, Pure-Tone
Cadaver
Cats
Child
Cochlear implant
Cochlear Implantation
Cochlear Implants
electrically evoked auditory brainstem responses (EABR)
electrically evoked stapedius reflex threshold (ESRT)
Hearing Loss - diagnosis
Hearing Loss - etiology
Hearing Loss - therapy
Humans
Magnetic Resonance Imaging
Middle Aged
MRI
Nurotron
pitch ranking
speech perception
Young Adult
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Summary:Conclusion: This study described objective and subjective evaluations of the Nurotron® Venus™ Cochlear Implant System and indicated that this system produced a satisfactory performance. Objective: To observe the performance of the Nurotron® Venus™ cochlear implant (CI) system via electrophysiological and psychophysical evaluations. Methods: A 26-electrode CI system was specially designed. The performance of MRI in animal and cadaveric head experiments, EABR in cats experiment, the correlation between ESRT and C level, and psychophysics evaluations in clinical trials were observed. Results: In the animal and cadaveric head experiments, magnet dislocation could not be prevented in the 1.5 T MRI without removal of the internal magnet. The EABR was clearly elicited in cat experiment. In the clinical trial, the ESRT was strongly correlated with C level (p 
ISSN:0001-6489
1651-2251
DOI:10.3109/00016489.2015.1086022