Auditory brainstem implant.The Food and Drug Administration (FDA FDA abbr. Food and Drug Administration FDA, n.pr See Food and Drug Administration. FDA, n.pr the abbreviation for the Food and Drug Administration. ) has approved Cochlear cochlear pertaining to or emanating from the cochlea. cochlear duct the coiled portion of the membranous labyrinth located inside the cochlea; contains endolymph. cochlear nerve see Table 14. Corporation's Nucleus 24 [R] Multichannel Auditory Brainstem Implant (Multichannel ABI Abi (ā`bī) [short for Abijah], in the Bible, King Hezekiah's mother. (Application Binary Interface) A specification for a specific hardware platform combined with the operating system. ) for use in patients suffering from Neurofibromatosis Type II Neurofibromatosis Type II (or "MISME Syndrome", for "Multiple Inherited Schwannomas, Meningiomas, and Ependymomas") is an inherited disease. The main manifestation of the disease is the development of symmetric, non-malignant brain tumours in the region of the cranial nerve VIII, (NF2), a genetic condition that affects one in 40,000 people in the United States. Hearing aids and cochlear implants do not help the hearing loss that can occur when portions of the auditory nerve are removed during the surgical removal of tumors. The Nucleus 24 Multichannel ABI is the first multichannel device designed to bypass the auditory nerve and cochlea cochlea (kŏk`lēə): see ear. to transmit sound signals directly to the brain. The implant allows the recipient to hear both environmental sounds and speech. The Multichannel ABI is a technologically advanced device comprised of a 21-electrode array that provides useful sound information to the recipient. The technology was developed through the collaborative efforts of Cochlear Corporation, manufacturer of the Nucleus 22 and Nucleus 24 cochlear implant systems; the House Ear Institute, a research facility with 16 years' experience with single-channel ABI; and the Huntington Medical Research Institute. |
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