COCHLEAR IMPLANT DEVICE

A cochlear prosthesis comprising an electrode array of individually addressable electrodes and a stimulator device to provide electrical stimuli to selected groupings of electrodes in response to sound signals. The stimuli and the electrode groupings being determined by reference to a predefined ins...

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Bibliographische Detailangaben
Hauptverfasser:	BUSBY, PETER A, CLARK, GRAEME M, COHEN, LAWRENCE T
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEAF-AID SETS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROTHERAPY FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS MAGNETOTHERAPY MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES PUBLIC ADDRESS SYSTEMS RADIATION THERAPY TREATMENT OR PROTECTION OF EYES OR EARS ULTRASOUND THERAPY
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Beschreibung
Zusammenfassung:	A cochlear prosthesis comprising an electrode array of individually addressable electrodes and a stimulator device to provide electrical stimuli to selected groupings of electrodes in response to sound signals. The stimuli and the electrode groupings being determined by reference to a predefined instruction set. The cochlear prosthesis is characterized in that in response to different sound signals at least two distinct current distribution geometries are induced in the auditory structures of a user. This may be achieved by using different electrode geometries, different stimulation modes, combinations of stimulation modes and/or electrode geometries.