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Träfflista för sökning "WFRF:(Håkansson Bo) srt2:(2010-2014)"

Search: WFRF:(Håkansson Bo) > (2010-2014)

  • Result 1-10 of 39
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  • Eeg-Olofsson, Måns, 1967, et al. (author)
  • BCI-bone conduction implant.
  • 2013
  • In: The Fourth International Symposium on Bone Conduction Hearing – Craniofacial Osseointegration. Newcastle, UK.
  • Conference paper (other academic/artistic)
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  • Eeg-Olofsson, Måns, 1967, et al. (author)
  • Evaluation of bone tissue formation in a flat surface attachment of a Bone Conduction Implant - A pilot study in a sheep model
  • 2014
  • In: Audiology & Neurotology Extra. - : S. Karger AG. - 1664-5537. ; 4:3, s. 62-76
  • Journal article (peer-reviewed)abstract
    • The Bone Conduction Implant (BCI) is a new bone conduction hearing device implanted under intact skin. The transducer has a flat direct contact to the mastoid part of the temporal bone and no screws are used. The sound signal is transmitted from the external audio processor to the implant by means of magnetic induction. In this study, osseointegration of a flat passive BCI transducer dummy in sheep skulls was assessed using quantitative and qualitative histology as well as Cone Beam Computed Tomography (CBCT) and Computed Tomography (CT). The histology results were also related to the mechanical properties of the bone to implant interface. Eight months after the surgical implantation, histology sections of the bone close to the implant showed bone remodelling, compact bone and some degree of osseointegration. The histological findings corresponded well to the mechanical measurements indicating stiffer bone close to the implant, and unaffected skull vibration transmission. Neither CBCT nor CT had enough resolution to visualize the bone to implant interface in detail. In this study, using an animal model, it is shown that a flat implant in contact with bone, can be a feasible method for efficient vibration transmission to the skull bone.
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  • Eeg-Olofsson, Måns, 1967, et al. (author)
  • Transmission of bone conducted sound – Correlation between hearing perception and cochlear vibration
  • 2013
  • In: Hearing Research. - : Elsevier. - 0378-5955 .- 1878-5891. ; 306, s. 11-20
  • Journal article (peer-reviewed)abstract
    • The vibration velocity of the lateral semicircular canal and the cochlear promontory was measured on 16 subjects with a unilateral middle ear common cavity, using a laser Doppler vibrometer, when the stimulation was by bone conduction (BC). Four stimulation positions were used: three ipsilateral positions and one contralateral position. Masked BC pure tone thresholds were measured with the stimulation at the same four positions. Valid vibration data were obtained at frequencies between 0.3 and 5.0 kHz. Large intersubject variation of the results was found with both methods. The difference in cochlear velocity with BC stimulation at the four positions varied as a function of frequency while the tone thresholds showed a tendency of lower thresholds with stimulation at positions close to the cochlea. The correlation between the vibration velocities of the two measuring sites of the otic capsule was high. Also, relative median data showed similar trends for both vibration and threshold measurements. However, due to the high variability for both vibration and perceptual data, low correlation between the two methods was found at the individual level. The results from this study indicated that human hearing perception from BC sound can be estimated from the measure of cochlear vibrations of the otic capsule. It also showed that vibration measurements of the cochlea in cadaver heads are similar to that measured in live humans.
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  • Result 1-10 of 39
Type of publication
journal article (25)
conference paper (13)
book chapter (1)
Type of content
peer-reviewed (33)
other academic/artistic (6)
Author/Editor
Håkansson, Bo, 1953 (30)
Reinfeldt, Sabine, 1 ... (17)
Taghavi, Hamidreza, ... (15)
Eeg-Olofsson, Måns, ... (14)
Ortiz Catalan, Max J ... (9)
Brånemark, Rickard, ... (9)
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Stenfelt, Stefan, 19 ... (8)
Fredén Jansson, Karl ... (4)
Östli, Per, 1979 (4)
Reinfeldt, Sabine (4)
Stenfelt, Stefan (3)
Granström, Gösta, 19 ... (3)
Håkansson, Bo (3)
Östli, Per (3)
Jacobsson, Bo, 1960 (2)
Stalfors, Joacim, 19 ... (2)
Finizia, Caterina, 1 ... (2)
Johansson, Carina B. ... (2)
Håkansson, Stellan (2)
Källén, Karin (2)
Eeg-Olofsson, Måns (2)
Axemo, Pia (1)
Jacobsson, Bo (1)
Wolk, Alicja (1)
Matiasson, Bo (1)
Pettersson, Karin (1)
Källén, Kristina (1)
Bremme, K (1)
Wennergren, Uno (1)
Algers, Bo (1)
Saltvedt, Sissel (1)
Lund, Henrik, 1975 (1)
Bremme, Katarina (1)
Flisberg, Patrik (1)
Rönnqvist, Mikael (1)
Granlund, Margareta (1)
Tengstrand, Tomas (1)
Lindblad, Birgitta E ... (1)
Sjöberg, Staffan (1)
Jonsson, Annie (1)
Håkansson, S (1)
Sellman, Stefan (1)
Bullarbo, Maria (1)
Håkansson, Niclas (1)
Tjellström, Anders, ... (1)
Tengstrand, T (1)
Tagahavi, Hamidreza (1)
Lith, Agneta, 1954 (1)
Taghavi, Hamid (1)
Håkansson, Emil, 198 ... (1)
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University
Chalmers University of Technology (30)
University of Gothenburg (20)
Linköping University (7)
Umeå University (3)
Karolinska Institutet (3)
Uppsala University (2)
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Lund University (2)
Örebro University (1)
University of Skövde (1)
Swedish University of Agricultural Sciences (1)
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Language
English (38)
Swedish (1)
Research subject (UKÄ/SCB)
Medical and Health Sciences (24)
Engineering and Technology (14)
Natural sciences (2)
Social Sciences (2)
Agricultural Sciences (1)

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