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91.发明申请公开(公告)号：US20200254254A1
公开(公告)日：2020-08-13
申请号：US16859577
申请日：2020-04-27
申请人： Advanced Bionics AG
发明人： Kanthaiah Koka , Leonid M. Litvak
摘要： A stapedius reflex threshold determination system directs a cochlear implant and a loudspeaker to apply a first electro-acoustic stimulation event to a patient, and determines that a first evoked response that occurs within the patient in response to the first electro-acoustic stimulation event has a level within a predetermined threshold amount of a baseline evoked response level. Based on that determination, the system detects that a stapedius reflex within the patient is not triggered. The system also directs the cochlear implant and the loudspeaker to apply a second electro-acoustic stimulation event to the patient, and determines that a second evoked response that occurs within the patient in response to the second electro-acoustic stimulation event has a level at least the predetermined threshold amount lower than the baseline evoked response level. Based on this determination, the system detects that the stapedius reflex within the patient is triggered.
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92.发明申请公开(公告)号：US20200206507A1
公开(公告)日：2020-07-02
申请号：US16640496
申请日：2017-08-28
申请人： Advanced Bionics AG
发明人： Kanthaiah Koka , Leonid M. Litvak
摘要： An exemplary scalar translocation detection system detects a first evoked response occurring in response to acoustic stimulation applied to a cochlear implant patient. The system detects the first evoked response by way of an electrode configuration disposed on an electrode lead while the electrode configuration is positioned at a first location along an insertion path of the electrode lead into a cochlea of the patient. The system further detects, by way of the electrode configuration while it is positioned at a second location along the insertion path, a second evoked response occurring in response to additional acoustic stimulation applied to the patient. The system further determines an amplitude change and/or a phase change between the first and second evoked responses, and then determines whether a scalar translocation of the electrode lead from one scala of the cochlea to another has occurred based on the amplitude change and/or the phase change.
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93.发明申请公开(公告)号：US20200054877A1
公开(公告)日：2020-02-20
申请号：US16487827
申请日：2018-02-22
申请人： Advanced Bionics AG
发明人： Roger Calixto , Kanthaiah Koka , Anthony J. Spahr , Mary Elizabeth Bush , Mark B. Downing , Leonid M. Litvak , Amy Stein
摘要： An apparatus associated with a cochlear implant system used by a patient directs a cochlear implant included within the cochlear implant system and implanted within the patient to generate electrical stimulation current at a predetermined current level. The apparatus further directs the cochlear implant to apply the electrical stimulation current to the patient by way of an electrode coupled with the cochlear implant, and to measure a voltage level associated with the electrode while the electrical stimulation current is applied to the patient by way of the electrode. Based on the predetermined current level and the measured voltage level, the apparatus determines an impedance of the electrode. Based on the determined electrode impedance and in accordance with a predetermined stimulation parameter adjustment constraint, the apparatus automatically adjusts a stimulation parameter associated with the cochlear implant system. Additional apparatuses and corresponding methods are also disclosed.
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公开(公告)号：US10560789B2
公开(公告)日：2020-02-11
申请号：US15515553
申请日：2014-10-06
申请人： ADVANCED BIONICS AG
发明人： Kanthaiah Koka , Leonid M. Litvak
摘要： An exemplary system includes an electro-acoustic stimulation (EAS) sound processor, a cochlear implant communicatively coupled to the EAS sound processor, an electrode array communicatively coupled to the cochlear implant, and a receiver communicatively coupled to the EAS sound processor and configured to be in communication with an ear of a patient. The EAS sound processor 1) directs, while in a self-fitting mode, the receiver to apply acoustic stimulation to the patient, 2) records, using at least one electrode included in the electrode array, an evoked response that occurs in response to the acoustic stimulation, 3) compares the evoked response to a baseline evoked response recorded by the EAS sound processor prior to recording the evoked response, and 4) performs a predetermined action based on the comparison between the evoked response and the baseline evoked response. Corresponding systems and methods are also disclosed.
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95.发明申请公开(公告)号：US20190314632A1
公开(公告)日：2019-10-17
申请号：US16452942
申请日：2019-06-26
申请人： ADVANCED BIONICS AG
发明人： Abhijit Kulkarni , Leonid M. Litvak
摘要： An exemplary cochlear implant system includes a cochlear implant configured to be implanted within a patient and a sound processor. The sound processor is configured to receive, from a fitting system during a fitting session, a command that sets an M level to an initial value and a target value for the M level; gradually adjust, subsequent to the fitting session, the M level from the initial value towards the target value in accordance with an adaption time course; and direct the cochlear implant to apply stimulation having the gradually adjusted M level to the patient. Other systems and methods are also disclosed.
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公开(公告)号：US10342976B2
公开(公告)日：2019-07-09
申请号：US15741217
申请日：2016-06-30
申请人： ADVANCED BIONICS AG , Chen Chen , Leonid M. Litvak
发明人： Chen Chen , Leonid M. Litvak
摘要： A binaural cochlear implant system (system) includes first and second microphones associated with first and second ears of a patient, respectively. The microphones detect an audio signal presented to the patient and output first and second signals representative of the audio signal as detected at the first and second ears, respectively. The system also includes a first sound processor that receives the first signal from the first microphone and the second signal from a second sound processor by way of a communiation link with the second sound processors. The first sound processor generates first and second fine structure signals representative of fine structure information of the first and second fine structure signals, respectively, and generates a timing pulse signal based on the first and second fine structure signals. The first sound processor uses the timing pulse signal to represent to the patient an interaural time difference between the first and second signals.
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97.发明申请公开(公告)号：US20180192209A1
公开(公告)日：2018-07-05
申请号：US15908776
申请日：2018-02-28
申请人： Advanced Bionics AG
发明人： Chen Chen , Dean Swan , Leonid M. Litvak
IPC分类号： H04R25/00
CPC分类号： H04R25/552 , H04R25/453 , H04R25/505 , H04R2225/67
摘要： A binaural hearing system (“system”) preserves and/or enhances interaural level differences (“ILDs”) between first and second signals. The system includes audio detectors each associated with an ear of a user. The audio detectors detect an audio signal presented to the user and generate the first and second signals to represent the audio signal as detected at each ear. The system also includes sound processors associated with each ear that each receive the first and second signals from the audio detectors directly and/or by way of a communication link from the other sound processor. The sound processors each perform operations with respect to the first and second signals to preserve and/or enhance the ILDs between the signals. In so doing, the sound processors perform a contralateral gain synchronization operation to a first degree at the first sound processor and to a distinct second degree at the second sound processor.
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公开(公告)号：US09993644B2
公开(公告)日：2018-06-12
申请号：US15516367
申请日：2014-10-06
申请人： ADVANCED BIONICS AG
CPC分类号： A61N1/36036 , A61N1/0541 , A61N1/36032 , H04R25/606 , H04R25/70 , H04R2225/83
摘要： An exemplary fitting system 1) directs an EAS system to concurrently apply acoustic stimulation to a patient by way of a loudspeaker and electrical stimulation to the patient by way of an electrode located within a cochlea of the patient, 2) determines an interactive effect that the electrical stimulation has on the acoustic stimulation, 3) directs, if the fitting facility determines that the interactive effect is suppressive, the EAS system to use a first stimulation strategy that steers a current field produced by stimulation of the electrode away from intracochlear acoustic responders within the patient that are associated with the acoustic stimulation, and 4) directs, if the fitting facility does not determine that the interactive effect is suppressive, the EAS system to use a second stimulation strategy that steers the current field produced by the stimulation of the electrode towards the intracochlear acoustic responders.
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公开(公告)号：US09687650B2
公开(公告)日：2017-06-27
申请号：US15024022
申请日：2014-10-06
申请人： ADVANCED BIONICS AG
发明人： Leonid M. Litvak , Smita S. Agrawal
CPC分类号： A61N1/36032 , A61B5/125 , A61N1/36014 , A61N1/36036 , H04R25/30 , H04R25/505
摘要： An exemplary system 1) presents, during a first time period, a tone in isolation to a patient by way of a receiver in communication with an ear of the patient, the tone having a predetermined frequency included in a frequency band, 2) presents, during a second time period, the tone together with a masking signal to the patient by way of the receiver, 3) uses an electrode located within an intracochlear region of the patient that is associated with the frequency band to record, during the first time period, a first evoked response that occurs in response to the presentation of the tone, and record, during the second time period, a second evoked response that occurs in response to the presentation of the tone together with the masking signal, and 4) determines, based on the first and second evoked responses, whether the intracochlear region is dead.
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公开(公告)号：US20170080227A1
公开(公告)日：2017-03-23
申请号：US15365645
申请日：2016-11-30
申请人： ADVANCED BIONICS AG
发明人： Leonid M. Litvak , Smita S. Agrawal , Gulamali Emadi , Aniket Saoji , Charles C. Finley , Guillermo A. Calle , R. Tissa Karunasiri , Kanthaiah Koka
CPC分类号： A61N1/36036 , A61B5/04001 , A61B5/121 , A61N1/0541 , A61N1/37247 , H04R1/1008 , H04R25/00 , H04R25/505 , H04R25/554 , H04R25/606 , H04R25/70 , H04R2225/67 , H04R2460/03
摘要： An exemplary system includes 1) a programming device configured to be located external to a cochlear implant patient and communicatively coupled to a cochlear implant system associated with the patient, 2) a programming interface device communicatively coupled to the programming device and configured to be located external to the patient, and 3) a receiver communicatively coupled directly to the programming interface device. The programming device directs at least one of the cochlear implant system and the receiver to apply stimulation to the patient, records an evoked response that occurs in response to the stimulation, and performs a predetermined action in accordance with the evoked response. Corresponding systems and methods are also disclosed.
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