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A novel bone conduction implant (BCI): Engineering aspects and pre-clinical studies
Chalmers.
Chalmers.
Sahlgrens University Hospital.
Chalmers.
Vise andre og tillknytning
2010 (engelsk)Inngår i: INTERNATIONAL JOURNAL OF AUDIOLOGY, ISSN 1499-2027, Vol. 49, nr 3, s. 203-215Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Percutaneous bone anchored hearing aids (BAHA) are today an important rehabilitation alternative for patients suffering from conductive or mixed hearing loss. Despite their success they are associated with drawbacks such as skin infections, accidental or spontaneous loss of the bone implant, and patient refusal for treatment due to stigma. A novel bone conduction implant (BCI) system has been proposed as an alternative to the BAHA system because it leaves the skin intact. Such a BCI system has now been developed and the encapsulated transducer uses a non-screw attachment to a hollow recess of the lateral portion of the temporal bone. The aim of this study is to describe the basic engineering principals and some preclinical results obtained with the new BCI system. Laser Doppler vibrometer measurements on three cadaver heads show that the new BCI system produces 0-10 dB higher maximum output acceleration level at the ipsilateral promontory relative to conventional ear-level BAHA at speech frequencies. At the contralateral promontory the maximum output acceleration level was considerably lower for the BCI than for the BAHA.

sted, utgiver, år, opplag, sider
2010. Vol. 49, nr 3, s. 203-215
Emneord [en]
Bone conduction, BAHA, implanted transducer
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-54397DOI: 10.3109/14992020903264462ISI: 000274883800003OAI: oai:DiVA.org:liu-54397DiVA, id: diva2:303531
Merknad
This is an electronic version of an article published in: Bo Hakansson, Sabine Reinfeldt, Mans Eeg-Olofsson, Per Ostli, Hamidreza Taghavi, Johannes Adler, John Gabrielsson, Stefan Stenfelt and Gosta Granstrom, A novel bone conduction implant (BCI): Engineering aspects and pre-clinical studies, 2010, INTERNATIONAL JOURNAL OF AUDIOLOGY, (49), 3, 203-215. INTERNATIONAL JOURNAL OF AUDIOLOGY is available online at informaworldTM: http://dx.doi.org/10.3109/14992020903264462 Copyright: Taylor & Francis http://www.tandf.co.uk/journals/default.asp Tilgjengelig fra: 2010-03-12 Laget: 2010-03-12 Sist oppdatert: 2014-10-08

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