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  Implantable hearing devices other than cochlear implants

  Gauri Mankekar, editor.

  Summary: Hearing loss can vary in type ranging from conductive, mixed to sensorineural, as well as in degree from mild, moderate, severe to profound. There could also be multiple permutations and combinations like moderate mixed hearing loss or severe conductive hearing loss. In addition, the hearing loss could be unilateral or bilateral. While cochlear implants were devised for bilateral profound sensorineural hearing loss, various other devices have been invented for other types of hearing losses. Research continues to design a suitable implant which would amplify sound for patients who cannot be candidates for cochlear implants.
  
  Contents:
  Passive Middle Ear Implants
  Implantable Hearing Devices Besides Cochlear and Brain Stem Implants
  Bone Conduction Implant Devices
  Middle Ear Implants (MEI): Vibrant Soundbridge
  The Envoy Esteem® Hearing Implant
  The Ototronix MAXUM System.

  Digital Access Springer 2014
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• Article

  Fliurestsentnyĭ zond-indikator razlichiĭ T- i B-limfotsitov v krove. [Fluorescent probe-indicator of differences between T- and B-lymphocytes in the blood].

  Dobretsov GE, Korkina LG, Val'tsel' G, Zimin IuI, Kogan EM.

  Biull Eksp Biol Med. 1979 Jan;87(1):51-3.

  A new physico-chemical marker for the human peripheral blood lymphocytes was worked out. The lymphocytes were vitally stained with the fluorescent probe 3-methoxybenzanthrone and measured by microfluorometry. The blood lymphocytes population was found to be heterogeneous; this population consists of the two main groups of cells differing by the intensity of their fluorescence. By means of immunological lymphocyte fractionation it was shown that one of these cell groups was represented by T-lymphocytes, and the other one--by B-lymphocytes.

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  PubMed