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    • 32. 发明申请
    • HEARING ASSISTANCE DEVICE COMPRISING AN IMPLANTED PART FOR MEASURING AND PROCESSING ELECTRICALLY EVOKED NERVE RESPONSES
    • 包含用于测量和处理电气感应神经反应的植入部件的听力辅助装置
    • US20150018897A1
    • 2015-01-15
    • US14330572
    • 2014-07-14
    • Oticon Medical A/S
    • Jonathan LAUDANSKINicolas VEAU
    • A61N1/36
    • A61N1/36036A61B5/04001A61N1/025A61N1/0541
    • The application relates to a hearing assistance device comprising an implanted part and to a method of its operation. The disclosure aims at improving the identification and processing of recorded nerve response data in an implanted part. The implanted part comprises a) A multitude of electrodes; b) Stimulation circuitry electrically coupled to a stimulation electrode during a stimulation time period; c) Measurement circuitry electrically coupled to a recording electrode during a measurement time period; d) A control unit configured to control the timing of the application of the stimulation signal in the stimulation time period and to control the measurement time period relative to the stimulation time period; and e) A processing unit configured to record the measured signal in the measurement time period and to identify a response from the auditory nerve based on said measured signal. The invention may e.g. be used for cochlear implant type hearing aids.
    • 本申请涉及一种包括植入部分的助听装置及其操作方法。 本公开旨在改进植入部分中记录的神经反应数据的识别和处理。 植入部分包括a)多个电极; b)在刺激时间段期间电耦合到刺激电极的刺激电路; c)在测量时间段期间电耦合到记录电极的测量电路; d)控制单元,被配置为控制在刺激时间段内施加刺激信号的定时并控制相对于刺激时间段的测量时间段; 以及e)处理单元,被配置为在所述测量时间段中记录所测量的信号,并且基于所述测量信号来识别来自所述听觉神经的响应。 本发明可以例如 用于耳蜗植入式助听器。
    • 38. 发明申请
    • COCHLEA IMPLANT SYSTEM WITH MEASUREMENT UNIT
    • US20220134107A1
    • 2022-05-05
    • US17508617
    • 2021-10-22
    • Oticon Medical A/S
    • Yannick VaiarelloMartin BesnardPierre Stahl
    • A61N1/36
    • A method and a cochlea implant system for providing reliably control and stability of the ratio between the positive charge and the capacitive discharge of an electrical pulse are disclosed. The system includes an external unit configured to receive acoustical sound and process the acoustical sound into a coded audio signal, and an implantable unit configured to receive the coded audio signal. The system further comprises a pulse generating unit configured to generate a first electrical pulse of a first pulse duration and a second electrical pulse of a second pulse duration different from the first pulse duration based on the coded audio signal. The system still further comprises an electrode array including a plurality of electrodes, wherein at least one of the plurality of electrodes is configured to receive at least the first electrical pulse and the second electrical pulse, and a capacitor connected to the at least one of the plurality of electrodes. The system still further comprises a measurement unit configured to measure, across the connection of the at least one of the plurality of electrodes and the capacitor, a first voltage based on the first electrical pulse and a second voltage based on the second electrical pulse. The system still further comprises an evaluation unit configured to calculate a voltage difference between the measured first and second voltages.
    • 40. 发明授权
    • Hearing device using a cochlear implant system and control method thereof
    • US11318312B2
    • 2022-05-03
    • US16523716
    • 2019-07-26
    • Oticon Medical A/S
    • Yannick VaiarelloPierre StahlMichel HoenDan Gnansia
    • A61N1/36A61N1/05A61N1/14H04R25/00
    • A hearing device for use with a cochlear implant system is disclosed. An input portion receives, as a stimulus, an acoustic signal, converts the acoustic signal into an electrical acoustic signal and provides the electrical acoustic signal. A processing portion processes the electrical acoustic signal and conducts an active grounding procedure. An implant portion being implantable at least partially in a cochlea of the user comprises a plurality of operation electrodes and a reference electrode, e.g. an external electrode being grounded and implantable outside of the cochlea of the user. The operation electrodes are driven by the processing portion on the basis of the electric acoustic signal. An electrode state setting section sets the plurality of operation electrodes into one of a high impedance state, a grounded state and a stimulating state in which a signal based on the electric acoustic signal is supplied to a stimulation electrode of the plurality of operation electrodes. An electrode state setting pattern determining section selects, according to an operation mode of the cochlear implant system, one of a plurality of electrode state setting patterns, wherein each of the electrode state setting patterns is adapted to enable a stimulation by a stimulation electrode of the plurality of operation electrodes being in a stimulating state and at least one of the plurality of operation electrodes being in a grounded state or in a high impedance state. The electrode state setting section sets the plurality of operation electrodes into the specified electrode state according to the selected electrode state setting pattern.