Clarion 16 Cochlear Implant(System Introduction and Use Experience in Japan).

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  • Ｃｌａｒｉｏｎ　１６人工内耳　　システム紹介と本邦における使用経験を中心として
  • System Introduction and Use Experience in Japan
  • システム紹介と本邦における使用経験を中心として

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The Clarion cochlear implant was developed in the USA and received FDA approval in August 1996. It consists of an implantable cochlear stimulator (ICS), speech processor with headpiece, and in addition, a clinician's programming system and portable cochlear implant tester. One of the features of the device is its stimulationcoding process for which two methods of continuous interleaved sampling (CIS) and compressed analogue (CA) are applicable. Regardless of which is used, stimulation can be provided over 8 channels. The device was used in 2 cases. Both patients were operated on in October 1996, and 16 electrodes in 8 pairs were mounted in the cochlea. Mapping, performed 3 weeks after the operation, showed good speech perception in both patients with only a cochlear implant in the "open-set " status. CIS was used as the stimulation coding method. CA has yet to be applied.

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