The rationale for FLEX (cochlear implant) electrode with varying array lengths

With cochlear implantation (CI) being the standard of care for profoundly deaf cases, more and more patients with low frequency residual hearing are currently being treated with CI. In view of preserving the residual hearing, the ultimate aim of both the surgeons and the CI companies is to achieve z...

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Autor principal:	Anandhan Dhanasingh
Formato:	article
Lenguaje:	EN
Publicado:	KeAi Communications Co., Ltd. 2021
Materias:	Cochlear duct length Cochlear anatomy Cochlear volume Scala tympani cross-sectional dimensions Otorhinolaryngology RF1-547 Surgery RD1-811
Acceso en línea:	https://doaj.org/article/62659d75bf4c427d8d99783d03b954de
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spelling	oai:doaj.org-article:62659d75bf4c427d8d99783d03b954de2021-12-02T14:16:43ZThe rationale for FLEX (cochlear implant) electrode with varying array lengths2095-881110.1016/j.wjorl.2019.12.003https://doaj.org/article/62659d75bf4c427d8d99783d03b954de2021-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2095881120300354https://doaj.org/toc/2095-8811With cochlear implantation (CI) being the standard of care for profoundly deaf cases, more and more patients with low frequency residual hearing are currently being treated with CI. In view of preserving the residual hearing, the ultimate aim of both the surgeons and the CI companies is to achieve zero-degree of electrode insertion trauma. Variations in the size and shape of cochlea, cross-sectional dimensions of ST, electrode insertion techniques with and without metal stylet rod and the experience level of the operating surgeons, all play a role in the electrode array related insertion trauma. An effective electrode design must include flexible array to accommodate the cochlear shape variation, electrode with variety of array lengths to support the concept of cochlear size specific electrode array and finally smaller cross-sectional dimensions of electrode array in matching the cross-sectional dimensions of ST. As per published reports, FLEX electrode array design offers minimal degree of electrode insertion trauma along with the possibility of patient specific electrode array length matching their cochlear size. Looking at the cross-sectional dimensions of FLEX electrode array along with its volume, it appear to be highly safe to the cochlea by not taking too much volume inside the ST. To offer additional support, otological pre-planning software tool like OTOPLAN is now clinically available in measuring the cochlear size in finding the best electrode array match along with the possibilities of anatomy based post-operative speech processor fitting.Anandhan DhanasinghKeAi Communications Co., Ltd.articleCochlear duct lengthCochlear anatomyCochlear volumeScala tympani cross-sectional dimensionsOtorhinolaryngologyRF1-547SurgeryRD1-811ENWorld Journal of Otorhinolaryngology-Head and Neck Surgery, Vol 7, Iss 1, Pp 45-53 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Cochlear duct length Cochlear anatomy Cochlear volume Scala tympani cross-sectional dimensions Otorhinolaryngology RF1-547 Surgery RD1-811
spellingShingle	Cochlear duct length Cochlear anatomy Cochlear volume Scala tympani cross-sectional dimensions Otorhinolaryngology RF1-547 Surgery RD1-811 Anandhan Dhanasingh The rationale for FLEX (cochlear implant) electrode with varying array lengths
description	With cochlear implantation (CI) being the standard of care for profoundly deaf cases, more and more patients with low frequency residual hearing are currently being treated with CI. In view of preserving the residual hearing, the ultimate aim of both the surgeons and the CI companies is to achieve zero-degree of electrode insertion trauma. Variations in the size and shape of cochlea, cross-sectional dimensions of ST, electrode insertion techniques with and without metal stylet rod and the experience level of the operating surgeons, all play a role in the electrode array related insertion trauma. An effective electrode design must include flexible array to accommodate the cochlear shape variation, electrode with variety of array lengths to support the concept of cochlear size specific electrode array and finally smaller cross-sectional dimensions of electrode array in matching the cross-sectional dimensions of ST. As per published reports, FLEX electrode array design offers minimal degree of electrode insertion trauma along with the possibility of patient specific electrode array length matching their cochlear size. Looking at the cross-sectional dimensions of FLEX electrode array along with its volume, it appear to be highly safe to the cochlea by not taking too much volume inside the ST. To offer additional support, otological pre-planning software tool like OTOPLAN is now clinically available in measuring the cochlear size in finding the best electrode array match along with the possibilities of anatomy based post-operative speech processor fitting.
format	article
author	Anandhan Dhanasingh
author_facet	Anandhan Dhanasingh
author_sort	Anandhan Dhanasingh
title	The rationale for FLEX (cochlear implant) electrode with varying array lengths
title_short	The rationale for FLEX (cochlear implant) electrode with varying array lengths
title_full	The rationale for FLEX (cochlear implant) electrode with varying array lengths
title_fullStr	The rationale for FLEX (cochlear implant) electrode with varying array lengths
title_full_unstemmed	The rationale for FLEX (cochlear implant) electrode with varying array lengths
title_sort	rationale for flex (cochlear implant) electrode with varying array lengths
publisher	KeAi Communications Co., Ltd.
publishDate	2021
url	https://doaj.org/article/62659d75bf4c427d8d99783d03b954de
work_keys_str_mv	AT anandhandhanasingh therationaleforflexcochlearimplantelectrodewithvaryingarraylengths AT anandhandhanasingh rationaleforflexcochlearimplantelectrodewithvaryingarraylengths
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The rationale for FLEX (cochlear implant) electrode with varying array lengths

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