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    • 1. 发明授权
    • Independent and concurrent processing multiple audio input signals in a prosthetic hearing implant
    • 在辅助听力植入物中独立并且处理多个音频输入信号
    • US08369958B2
    • 2013-02-05
    • US11335563
    • 2006-01-20
    • Bomjun KwonChristopher van den Honert
    • Bomjun KwonChristopher van den Honert
    • A61N1/00A61N5/04
    • A61N1/36036
    • A prosthetic hearing implant capable of independently and concurrently processing multiple audio input signals such that each audio input signal is separately utilized to stimulate the basilar membrane of the implant recipient. A prosthetic hearing implant of the present invention simultaneously receives discrete audio signals from each of one or more audio sources, generates a separate set of one or more stimulations signals for each audio signal, and concurrently applies the stimulation signals to the cochlear. Different channels of stimulation may be allocated to each audio input signal. Alternatively, different modes of stimulation may be used for each input signal. Or, in yet another example, the audio input signals may be time-multiplexed such that the input signals are applied in alternating timeslots. Or, in yet other examples, the input signals may be applied using a combination of stimulation channels, modes of stimulation, and alternating time slots. The stimulation signals may be delivered to the same or different electrodes depending on the quantity and frequency component of the received audio input signals, the quantity of available stimulation channels, and other factors.
    • 能够独立并且同时处理多个音频输入信号的假体听力植入物,使得每个音频输入信号被分开地用于刺激植入物接受者的基底膜。 本发明的假体听力植入物同时从一个或多个音频源中的每一个接收离散音频信号,为每个音频信号产生一个或多个刺激信号的单独集合,并且同时将刺激信号施加到耳蜗。 可以将不同的刺激通道分配给每个音频输入信号。 或者,可以对每个输入信号使用不同的刺激模式。 或者,在另一示例中,音频输入信号可以被时分复用,使得输入信号以交替的时隙被应用。 或者,在其他示例中,可以使用刺激通道,刺激模式和交替时隙的组合来应用输入信号。 刺激信号可以根据所接收的音频输入信号的数量和频率分量,可用刺激通道的数量和其他因素而传送到相同或不同的电极。
    • 4. 发明授权
    • Stimulating auditory nerve fibers to provide pitch representation
    • 刺激听神经纤维提供间距表示
    • US08019430B2
    • 2011-09-13
    • US11723696
    • 2007-03-21
    • Christopher van den Honert
    • Christopher van den Honert
    • A61N1/00
    • A61N1/36036
    • Aspects provide methods and sound processor for encoding stimulation signals to convey pitch perception information to a recipient. The method may comprise identifying a first stimulation site based on a selected frequency component of the sound signal that contains pitch perception information, wherein a stimulation signal is generated based on the selected frequency component; determining a second stimulation site adjacent to the first stimulation site; and determining a time delay between when the second stimulation site is independently stimulated with the stimulation signal and when the first stimulation site is independently stimulated with the stimulation signal.
    • 方面提供用于编码刺激信号以将音高感知信息传送给接收者的方法和声音处理器。 该方法可以包括基于包含音调感知信息的声音信号的选定频率分量来识别第一刺激位置,其中基于所选频率分量产生刺激信号; 确定与所述第一刺激部位相邻的第二刺激部位; 以及确定当所述刺激信号独立地刺激所述第二刺激部位与所述刺激信号独立地刺激所述第一刺激部位之间的时间延迟。
    • 6. 发明申请
    • Stimulating auditory nerve fibers to provide pitch representation
    • 刺激听神经纤维提供间距表示
    • US20080234783A1
    • 2008-09-25
    • US11723696
    • 2007-03-21
    • Christopher van den Honert
    • Christopher van den Honert
    • A61N1/05
    • A61N1/36036
    • Aspects provide methods and sound processor for encoding stimulation signals to convey pitch perception information to a recipient. The method may comprise identifying a first stimulation site based on a selected frequency component of the sound signal that contains pitch perception information, wherein a stimulation signal is generated based on the selected frequency component; determining a second stimulation site adjacent to the first stimulation site; and determining a time delay between when the second stimulation site is independently stimulated with the stimulation signal and when the first stimulation site is independently stimulated with the stimulation signal.
    • 方面提供用于编码刺激信号以将音高感知信息传送给接收者的方法和声音处理器。 该方法可以包括基于包含音调感知信息的声音信号的选定频率分量来识别第一刺激位置,其中基于所选频率分量产生刺激信号; 确定与所述第一刺激部位相邻的第二刺激部位; 以及确定当所述刺激信号独立地刺激所述第二刺激部位与所述刺激信号独立地刺激所述第一刺激部位之间的时间延迟。
    • 7. 发明授权
    • Cochlear implant MAP optimization with use of a genetic algorithm
    • 使用遗传算法进行人工耳蜗植入MAP优化
    • US06879860B2
    • 2005-04-12
    • US10385880
    • 2003-03-11
    • Gregory Howard WakefieldChristopher van den Honert
    • Gregory Howard WakefieldChristopher van den Honert
    • A61N1/05A61N1/36A61N1/08
    • A61N1/36036A61N1/0541
    • A method for fitting a cochlear implant to a patient. A genetic algorithm operates to generate successive generations of multiple groups of values for a parameter subset, and patient feedback during execution of the genetic algorithm determines the multiple groups of subset values in successive generations. In each generation, half of the groups of values for the parameter subset are selected and used to determine the groups of values for the next generation. Values for the parameters not included in the subset are selected by any traditional method that does not use a genetic algorithm. In one illustrative embodiment of the invention, there are only three parameters in the subset that are selected by a genetic algorithm—parameters relating to rate, number of channels and filtering characteristics.
    • 一种将耳蜗植入物装配到患者的方法。 遗传算法用于为参数子集生成连续的多组值,并且遗传算法执行期间的患者反馈确定连续世代中的多组子集值。 在每一代中,选择参数子集值的一半组,并用于确定下一代的值组。 不包括在子集中的参数的值通过不使用遗传算法的任何传统方法来选择。 在本发明的一个说明性实施例中,在子集中仅有三个参数通过遗传算法 - 与速率,信道数量和滤波特性相关的参数来选择。
    • 10. 发明授权
    • Focused stimulation in a medical stimulation device
    • 在医疗刺激装置中聚焦刺激
    • US09566433B2
    • 2017-02-14
    • US12979676
    • 2010-12-28
    • Christopher van den Honert
    • Christopher van den Honert
    • A61N1/00A61N1/36H04R25/00A61N1/05A61N1/32
    • A61N1/36036A61N1/0541A61N1/323H04R25/305H04R25/606
    • A medical stimulation device such as a cochlear implant configured to provide stimulation of one or more spatially-restricted contiguous portion(s) of the spiral array of auditory nerve fibers in the cochlear (“discrete stimulation regions”). Each discrete stimulation region is defined by the constructive and/or destructive interference of stimulating and limiting signals simultaneously applied to electrode channels of an implanted electrode array, the stimulating and limiting signals being determined based upon transimpedance measurements of intracochlear electrode channels of the implanted electrode array representing specific spread functions of an individual recipient. The stimulating signal is preferably applied through a targeted electrode channel; that is, one or more successive electrodes which is/are adjacent to the discrete stimulation region. The targeted electrode channel is selected to represent a sound based on the outputs of a sound processor to stimulate neural activity in the discrete stimulation region to thereby cause a percept of the represented sound. The size of the discrete stimulation region is defined by the limiting signal(s) applied to electrode channel(s) other than the targeted electrode channel, and which negate(s) current spread which would otherwise occur in response to the stimulating signal.
    • 医疗刺激装置,例如耳蜗植入物,被配置成在耳蜗(“离散刺激区域”)中提供听觉神经纤维螺旋阵列的一个或多个空间受限的连续部分的刺激。 每个离散刺激区域由同时施加到植入电极阵列的电极通道的刺激和限制信号的结构性和/或相消干扰限定,刺激和限制信号基于植入电极阵列的耳内电极通道的跨阻抗测量来确定 代表个人收件人的具体传播功能。 刺激信号优选通过目标电极通道施加; 即与离散刺激区域相邻的一个或多个连续电极。 选择目标电极通道以基于声音处理器的输出来表示声音,以刺激离散刺激区域中的神经活动,从而引起对所示声音的感知。 离散刺激区域的大小由施加到目标电极通道之外的电极通道的限制信号定义,并且否定当前的扩展,否则这些电流扩展响应于刺激信号而发生。