ELECTRODE LEAD THAT AVOIDS ELECTRODE ARRAY MIGRATION FROM THE COCHLEA
A cochlear implant electrode arrangement is described that prevents post-surgical retraction of the electrode array from the cochlea. The arrangement includes an electrode lead that carries cochlear stimulation signals from an implanted signal processor, through an oval shaped posterior tympanotomy...
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| creator | HARNISCH, Andreas JOLLY, Claude DHANASINGH, Anandhan SIEBER, Daniel LENARZ, Thomas |
| description | A cochlear implant electrode arrangement is described that prevents post-surgical retraction of the electrode array from the cochlea. The arrangement includes an electrode lead that carries cochlear stimulation signals from an implanted signal processor, through an oval shaped posterior tympanotomy opening in the facial recess of a patient, to an electrode array implanted in a cochlea of the patient. A retraction limiter slides over the electrode lead through the posterior tympanotomy with projection arms aligned along the long diameter of the posterior tympanotomy, then is rotated to align the projection arms along the short diameter of the posterior tympanotomy, and secured to the electrode lead so that the projection arms prevent post-surgical retraction of the electrode lead back through the posterior tympanotomy. |
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The arrangement includes an electrode lead that carries cochlear stimulation signals from an implanted signal processor, through an oval shaped posterior tympanotomy opening in the facial recess of a patient, to an electrode array implanted in a cochlea of the patient. A retraction limiter slides over the electrode lead through the posterior tympanotomy with projection arms aligned along the long diameter of the posterior tympanotomy, then is rotated to align the projection arms along the short diameter of the posterior tympanotomy, and secured to the electrode lead so that the projection arms prevent post-surgical retraction of the electrode lead back through the posterior tympanotomy.</description><language>eng ; fre ; ger</language><subject>BANDAGES, DRESSINGS OR ABSORBENT PADS ; DEAF-AID SETS ; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. 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| language | eng ; fre ; ger |
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| subjects | 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 |
| title | ELECTRODE LEAD THAT AVOIDS ELECTRODE ARRAY MIGRATION FROM THE COCHLEA |
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