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Träfflista för sökning "WFRF:(Stenfelt Stefan) srt2:(2000-2004)"

Sökning: WFRF:(Stenfelt Stefan) > (2000-2004)

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  • Hato, Naohito, et al. (författare)
  • Three-dimensional stapes footplate motion in human temporal bones
  • 2003
  • Ingår i: Audiology & neuro-otology. - : S. Karger AG. - 1420-3030 .- 1421-9700. ; 8:3, s. 140-152
  • Tidskriftsartikel (refereegranskat)abstract
    • The literature provides conflicting information on whether the motion of the stapes footplate is piston-like or some other type of motion, such as rotational or rocking. Examination of the three-dimensional (3D) motion of the stapes footplate appears to be an excellent way to understand this complicated motion. Five microsphere reflective targets were placed on the stapes footplate in ten fresh human cadaver temporal bone preparations, and their vibration measured through an extended facial recess approach using a laser Doppler vibrometer. The five target sites on the stapes footplate were center, anterior, posterior, superior and inferior. The stimulus was a sound input of 80–120 dB SPL at the tympanic membrane over a frequency range of 0.1 to 10 kHz. The 3D motion of the stapes footplate was calculated using the velocity amplitude and phase obtained for each target. For frequencies up to 1.0 kHz the vibration of the stapes footplate was primarily piston-like; this motion became complex at higher frequencies, with rotary motion along both the long and short axis of the footplate. When the cochlea was drained, stapes footplate motion became essentially piston-like for all frequencies.
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  • Hato, Naohito, et al. (författare)
  • Time delay of acoustic transmission in human middle ear
  • 2004
  • Ingår i: Middle Ear Mechanics in Research and Otology. - Singapore : World Scientific Publishing Co.. - 9812386033 - 9789812386038 ; , s. 51-55
  • Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
    • This book aims to facilitate the exchange of ideas between otosurgeons and engineers on common topics such as middle ear function, tympanoplasty, implantable hearing devices and ear prostheses. Due to recent advances in technology, gene-therapy and tissue-engineering procedures will also be important issues in the treatment of middle ear
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  • Håkansson, Bo, 1953, et al. (författare)
  • An implantable bone conduction hearing aid
  • 2000
  • Ingår i: 3rd International Congress on Electronic Implants in Otology and Conventional Hearing Aids, Birmingham, United Kingdom.
  • Konferensbidrag (refereegranskat)
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  • Resultat 1-10 av 41

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