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1. 发明申请

US20210170174A1 COCHLEAR IMPLANT SYSTEM WITH MEASUREMENT UNIT 有权
公开(公告)号：US20210170174A1
公开(公告)日：2021-06-10
申请号：US17116702
申请日：2020-12-09
申请人： Oticon Medical A/S
发明人： Jean-Claude REPETTO , Pierre STAHL
IPC分类号： A61N1/36 , A61N1/05 , H04R25/00
摘要： A cochlear implant system is 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.

2. 发明申请

US20230120447A1 ACTIVE CONTROL OF INTRACOCHLEAR STIMULATION 有权
公开(公告)号：US20230120447A1
公开(公告)日：2023-04-20
申请号：US17966009
申请日：2022-10-14
申请人： Oticon Medical A/S
发明人： Yannick VAIARELLO , Pierre STAHL , Dan GNANSIA
IPC分类号： A61N1/36
摘要： A cochlear implant is disclosed. The cochlear implant provides electrical stimulation to auditory nerve fibers of a cochlea of a recipient of the cochlear implant. The cochlear implant includes an interface to provide audio stimulation information based on an external signal, an electrode lead including a plurality of electrodes to provide electrical stimulation the auditory nerve fibers based on the audio stimulation information, a differential power supplier to provide an anodic current and a cathodic current based on the audio stimulation information, and a mode unit connected to one or more electrodes of the plurality of electrodes. The mode unit sets the one or more electrodes into a mode of a plurality of modes based on the audio stimulation information. The plurality of modes includes an active mode, and in the active mode the one or more electrodes receives the anodic current or the cathodic current.

3. 发明申请

US20220218998A1 HEARING DEVICE USING A COCHLEAR IMPLANT SYSTEM AND CONTROL METHOD THEREOF 有权
公开(公告)号：US20220218998A1
公开(公告)日：2022-07-14
申请号：US17711539
申请日：2022-04-01
申请人： Oticon Medical A/S
发明人： Yannick VAIARELLO , Pierre STAHL , Michel HOEN , Dan GNANSIA
IPC分类号： A61N1/36 , A61N1/05 , A61N1/14 , H04R25/00
摘要： 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.

4. 发明申请

US20200045480A1 COCHLEAR STIMULATION SYSTEM WITH AN IMPROVED METHOD FOR DETERMINING A TEMPORAL FINE STRUCTURE PARAMETER 审中-公开
公开(公告)号：US20200045480A1
公开(公告)日：2020-02-06
申请号：US16525799
申请日：2019-07-30
申请人： Oticon Medical A/S
发明人： Manuel SEGOVIA MARTINEZ , Julian SKOVGAARD , Pierre STAHL , Kai DANG , Aswin WIJETILLAKE
IPC分类号： H04R25/00
摘要： The invention relates to a cochlear stimulation system for determining a Temporal Fine Structure (TFS) parameter of a spectral component of an incoming acoustic signal. The system comprising; a transducer configured for receiving the incoming acoustic signal, and wherein a sampled audio signal of length N samples is provided based on the incoming acoustic signal, a storing unit including a plurality of window frequency differences and/or a plurality of window energy level differences generated from a window spectrum of a window function of length N, a window analyzer for providing a plurality of spectrum samples by performing a time to frequency transformation and a multiplication of the sampled audio signal with the window function in a time domain, or a convolution of the window spectrum in frequency domain and the sampled audio signal in frequency domain. The system further comprises a signal processor for estimating the Temporal Fine Structure parameter of the full frequency range of the sampled audio signal, and wherein the Temporal Fine Structure parameter is estimated by locating a main spectrum sample of the plurality of spectrum samples having a maximum energy level, estimating for a group of spectrum samples of the plurality of spectrum samples an energy level difference for one or more of the spectrum samples of the group of spectrum samples, within a range of frequencies centered around the main spectrum sample, and determining the Temporal Fine Structure parameter based on the energy level difference for one or more of the spectrum samples of the group of spectrum samples and the window function.

5. 发明申请

US20200030611A1 HEARING DEVICE USING A COCHLEAR IMPLANT SYSTEM AND CONTROL METHOD THEREOF 审中-公开
公开(公告)号：US20200030611A1
公开(公告)日：2020-01-30
申请号：US16523716
申请日：2019-07-26
申请人： Oticon Medical A/S
发明人： Yannick VAIARELLO , Pierre STAHL , Michel HOEN , Dan GNANSIA
IPC分类号： A61N1/36 , H04R25/00 , A61N1/05 , A61N1/14
摘要： 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 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.

6. 发明申请

US20220095059A1 GENERALIZED METHOD FOR PROVIDING ONE OR MORE STIMULATION CODING PARAMETERS IN A HEARING AID SYSTEM FOR OBTAINING A PERCEIVABLE HEARING LOUDNESS 有权
公开(公告)号：US20220095059A1
公开(公告)日：2022-03-24
申请号：US17478682
申请日：2021-09-17
申请人： Oticon Medical A/S
发明人： Bradford BACKUS , Pierre STAHL
IPC分类号： H04R25/00
摘要： An aspect of the disclosure is to provide a method and a hearing aid system comprising; a microphone unit configured to receive an acoustical input and provide an audio signal based on the acoustical input, and wherein the audio signal includes a sound pressure level; a storing unit including a normal hearing loudness model, a loudness scheme, a stimulation model and a coding parameter model; a sound output unit configured to stimulate auditory nerve fibers of a recipient of the hearing aid system based on audible stimulations; a processing unit configured to; extract a normal hearing loudness based on the sound pressure level and the normal hearing loudness model, and the normal hearing loudness model includes a plurality of normal hearing loudness as a function of a plurality of sound pressure levels; transform the normal hearing loudness to a secondary hearing loudness according to a loudness scheme; determine a stimulation level within a dynamic range of a recipient of the hearing aid system based on the secondary hearing loudness and the stimulation model, where the stimulation model includes a relation between a plurality of stimulation levels and a plurality of secondary hearing loudness; determine one or more stimulation coding parameters based on the coding parameter model, where the coding parameter model includes a relation between the determined stimulation level and the one or more stimulation coding parameters; and wherein the processing unit is configured to generate the audible stimulations based on the determined one or more stimulation coding parameters and provide the audible stimulations via the sound output unit to the auditory nerve fibers of the recipient of the hearing aid system such that the recipient perceives the secondary hearing loudness.

7. 发明申请

US20220054836A1 COCHLEAR IMPLANT SYSTEM WITH OPTIMIZED FRAME CODING 有权
公开(公告)号：US20220054836A1
公开(公告)日：2022-02-24
申请号：US17407940
申请日：2021-08-20
申请人： Oticon Medical A/S
发明人： Marianna VATTI , Kai DANG , Pierre STAHL , Manuel SEGOVIA MARTINEZ , Dan GNANSIA , Bradford BACKUS
IPC分类号： A61N1/36 , A61N1/05 , A61N1/02 , A61N1/08 , G16H20/40
摘要： The disclosure relates to a cochlear implant system, and more particularly, the disclosure relates to a processor unit which includes a switching mean configured to switch between using a fixed stimulation frame onset or a variable stimulation frame onset for frame coding a plurality of stimulation pulses into a one or more stimulation frames.

8. 发明申请

US20210138236A1 METHOD FOR DETECTING A PLURALITY OF HEALTH CONDITIONS OF A COCHLEA 有权
公开(公告)号：US20210138236A1
公开(公告)日：2021-05-13
申请号：US17091281
申请日：2020-11-06
申请人： Oticon Medical A/S
发明人： Pierre STAHL , Attila FRATER , Manuel SEGOVIA MARTINEZ , Dan GNANSIA , Behnam MOLAEE , Thomas DEMARCY
IPC分类号： A61N1/05 , A61B5/0484 , A61N1/36
摘要： A method and a system for detecting a plurality of health conditions of a cochlea during insertion of an electrode array is described. The method comprising; applying a plurality of acoustic stimulations, and where each of the plurality of acoustic stimulations includes a tone burst including multiple acoustic pulses modulated at a tone of one frequency, arranging an electrocochleography probe to an outer wall of the recipient's cochlea, measuring via the electrocochleography probe a plurality of cochlea baseline responses based on the plurality of acoustic stimulations, before insertion of the electrode array into the recipient's cochlea, measuring continuously via the electrocochleography probe a plurality of cochlea responses based on the plurality of acoustic stimulations, during insertion of the electrode array into the recipient's cochlea, determining a plurality of electrical response differences between the plurality of cochlea baseline responses and the plurality of cochlea responses, respectively, determining a plurality of health conditions of the cochlea during insertion of the electrode array based on the plurality of electrical response differences.

9. 发明申请

US20210001123A1 COCHLEAR IMPLANT SYSTEM WITH IMPROVED ELECTRODE SELECTION SCHEME 有权
公开(公告)号：US20210001123A1
公开(公告)日：2021-01-07
申请号：US16919551
申请日：2020-07-02
申请人： Oticon Medical A/S
发明人： Aswin Adris WIJETILLAKE , Simon Krogholt CHRISTIANSEN , Pierre STAHL , Dan GNANSIA , Manuel SEGOVIA MARTINEZ
IPC分类号： A61N1/36 , A61N1/05 , H04R25/00
摘要： The invention relates to a cochlear implant system comprising a microphone unit configured to receive an acoustical signal and transmit an audio signal based on the acoustical signal, a processor unit configured to receive the audio signal and process the audio signal into a plurality of electrode pulses, an electrode array including a plurality of electrodes configured to stimulate auditory nerves of a user of the cochlear implant system based on the plurality of electrode pulses, and wherein the processor unit is configured to assign an importance value to one or more electrodes of the plurality of electrodes, wherein each of the importance values is determined based on a status of an electrode pulse assigned to the respective electrode, select a main set of electrodes of the plurality of electrodes during a time window, where the importance value of each of the selected electrodes of the main set of electrodes is larger or equal to an importance threshold value, activate the electrodes of the main set of electrodes to stimulate auditory nerves based on the electrode pulses of the plurality of electrode pulses, and reserve the electrodes of the main set of electrodes into a reserved mode during a reservation period.

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