Abstract: An exemplary sound processor (104) 1) identifies a stimulation site within a cochlea of a patient that is to be stimulated in order to represent acoustic content presented to the patient, the stimulation site included within a plurality of stimulation sites associated with a stimulation channel corresponding to a plurality of electrodes, 2) determines a target excitation field width associated with the stimulation channel and 3) dynamically sets, based on the identified stimulation site, an amplitude and a polarity of current to be applied to each electrode included in the plurality of electrodes in order to represent the acoustic content so that an excitation field created by the current has a width that roughly matches the target excitation field width. A system and a corresponding method are also disclosed.
Abstract: An exemplary apparatus for use with an auditory prosthesis system includes a housing, a connector port disposed at least partially within the housing and configured to be communicatively coupled to an auxiliary audio input device, a telecoil disposed at least partially within the housing, and a multi-position switch disposed at least partially within the housing and configured to selectively enable the auxiliary audio input device and the telecoil. The auxiliary audio input device is enabled and the telecoil is disabled when the switch is in a first position, both the auxiliary audio input device and the telecoil are enabled when the switch is in a second position, and the telecoil is enabled and the auxiliary audio input device is disabled when the switch is in a third position. Corresponding apparatuses, systems, and methods are also disclosed.
Type:
Grant
Filed:
January 27, 2012
Date of Patent:
November 17, 2015
Assignee:
Advanced Bionics AG
Inventors:
Lee F. Hartley, Roger S. Meier, Glen A. Griffith, Tracey L. Kruger, R. Tissa Karunasiri, Scott A. Crawford, Frank Nigro
Abstract: A cochlear implant system includes an electrode array comprising a tip element and a sensing module in communication with the tip element. The sensing module detects conditions surrounding the electrode array using the tip element during insertion of the electrode array into a cochlea. Various methods for implanting a cochlear electrode array with a tip element are also presented.
Type:
Application
Filed:
December 28, 2012
Publication date:
November 12, 2015
Applicant:
ADVANCED BIONICS AG
Inventors:
MARK B. DOWNING, ABHIJIT KULKARNI, LEE F. HARTLEY
Abstract: A device includes a hermetically sealed case with electronic circuitry housed within. One surface of the hermetically sealed case includes a metallic plate and a co-fired ceramic electrical feedthrough with a number of vias. The co-fired ceramic electrical feedthrough is hermetically joined to the metallic plate and a hybrid circuit is connected to the feedthrough.
Type:
Grant
Filed:
May 10, 2011
Date of Patent:
November 3, 2015
Assignee:
ADVANCED BIONICS AG
Inventors:
Kurt J. Koester, Chuladatta Thenuwara, Timothy Beerling, Mark B. Downing, David Stuursma, Logan Palmer
Abstract: A partially implantable hearing device comprises a microphone assembly to be worn by the user for capturing audio signals from ambient sound, an audio signal processing unit for processing the audio signals captured by the microphone and an implantable assembly with a power supply and an electromechanical output transducer for stimulating the user's hearing according to the audio signals processed by the audio signal processing unit. Also a microphone assembly provides for transcutaneous transmission of audio signals captured by the microphone assembly to the implantable assembly and for transcutaneous transmission of power to microphone assembly from the implantable assembly.
Abstract: An exemplary sound processor (104) included in an auditory prosthesis system includes 1) a clock facility (406) configured to detect an elapsing of a predetermined amount of time and 2) a fitting facility (408) communicatively coupled to the clock facility and configured to automatically perform, in response to the elapsing of the predetermined amount of time, one or more fitting operations with respect to the auditory prosthesis system. Corresponding systems and methods are also disclosed.
Type:
Grant
Filed:
May 31, 2011
Date of Patent:
November 3, 2015
Assignee:
Advanced Bionics AG
Inventors:
Jacob Johnston, Guillermo A. Calle, Fernando Chapa
Abstract: A system for in-situ evaluation of the performance of an actuator of a hearing instrument to be implanted in a middle ear cavity of a patient and to be mechanically coupled to an ossicle or to the cochlea includes: a reference output transducer assembly for generating sound waves in the middle ear cavity, means for providing test audio signals as input to the actuator and to the reference transducer assembly, a microphone assembly for being inserted at least in part into the middle ear cavity for picking up sound waves in the middle ear cavity generated by vibrations of the actuator and by the reference output transducer assembly according to the test audio signals and for providing for an output signal corresponding to the picked-up sound waves, and means for analyzing the output signals of the microphone assembly in order to evaluate the actuator performance.
Abstract: An exemplary system includes 1) a cochlear implant module configured to be implanted within a patient and comprising cochlear implant circuitry configured to apply electrical stimulation representative of one or more audio signals to the patient, and 2) a modular connector coupled to the cochlear implant module by way of a cable and configured to be implanted within the patient. The modular connector may be removably connected to an implantable antenna in order to facilitate communicative coupling of the implantable antenna to the cochlear implant circuitry. In this configuration, the cochlear implant circuitry may wirelessly communicate with a sound processor located external to the patient. The modular connector may alternatively be removably connected to an implantable sound processor. In this configuration, the cochlear implant circuitry and the implantable sound processor may communicate one with another by way of a wired connection. Corresponding systems and methods are also disclosed.
Abstract: An exemplary cochlear implant system includes a component that houses a circuit board comprising electronic circuitry that generates one or more signals, an induction coil that transmits the one or more signals by generating a telemetry magnetic field, and a telemetry flux guide positioned between and in direct contact with a top surface of the induction coil and a bottom surface of the circuit board.
Abstract: A cochlear lead includes a plurality of electrode assemblies partially embedded in a flexible body configured to stimulate an auditory nerve from within a cochlea. Each of the electrode assemblies includes a flexible electrically conductive material forming a plurality of support structures and an electrode pad attached a support structure, the electrode pad having a surface that is configured to be exposed to cochlear tissue and fluids and has a charge transfer to the cochlear tissue and fluids that is higher than the flexible electrically conductive material.
Abstract: Cochlear implant headpieces with improved moisture resistance. The headpiece comprises a housing (102) including a housing microphone aperture (124), a microphone (108) within the housing, a membrane (148) between the housing microphone aperture and the microphone, a cap (104) including a sound port (158) and a shield (168), the cap being removably connectable to the housing and the headpiece being protected from particulate and moisture ingress.
Abstract: An implant system includes an implantable body (102), a lead (190) connected to the implantable body comprising at least one electrode, and engagement wings (400) mechanically joined to the implantable body to engage an undercut bone structure (405) to prevent motion of the implantable body toward the electrode after implantation.
Abstract: An exemplary method includes a sound processor 1) mapping an analysis channel associated with a frequency band to a stimulation channel that comprises at least three electrodes communicatively coupled to an auditory prosthesis associated with a patient, 2) identifying a spectral peak included in an audio signal presented to the patient, the spectral peak having a peak frequency included in the frequency band, and 3) directing the auditory prosthesis to apply electrical stimulation representative of the spectral peak to a stimulation site associated with the peak frequency by simultaneously stimulating at least two of the at least three electrodes at substantially fifty percent or less of their respective most comfortable current levels (M levels) in accordance with a multi-monopolar current steering strategy. Corresponding methods and systems are also disclosed.
Type:
Grant
Filed:
October 28, 2011
Date of Patent:
September 1, 2015
Assignee:
Advanced Bionics AG
Inventors:
Lakshmi N. Mishra, Leonid M. Litvak, Manohar Joshi
Abstract: A cochlear lead includes a plurality of electrodes configured to stimulate an auditory nerve from within a cochlea and a flexible body supporting the plurality of electrodes along a length of the flexible body. A stiffening element is slidably encapsulated within the flexible body, the stiffening element extending past a most distal electrode at the tip of the cochlear lead, wherein a distal portion of the stiffening element plastically deforms upon insertion into a curved portion of the cochlea.
Abstract: An exemplary system includes an electro-acoustic stimulation (EAS) subsystem and a volume control subsystem communicatively coupled to the EAS subsystem. The EAS subsystem is configured to direct a cochlear implant to apply electrical stimulation representative of audio content included in a first frequency band to a patient and to direct a receiver to apply acoustic stimulation representative of audio content included in a second frequency band to the patient. The volume control subsystem is configured to facilitate independent control of a volume associated with the electrical stimulation and a volume associated with the acoustic stimulation. Corresponding systems, devices, and methods are also disclosed.
Type:
Grant
Filed:
December 16, 2010
Date of Patent:
June 23, 2015
Assignee:
Advanced Bionics AG
Inventors:
Stefan D. Menzl, Hans-Uelii Roeck, Logan P. Palmer, Abhijit Kulkarni, Manish Vaishya, Volkmar Hamacher
Abstract: A cochlear lead includes a plurality of electrode assemblies partially embedded in a flexible body configured to stimulate an auditory nerve from within a cochlea. Each of the electrode assemblies includes a flexible electrically conductive material forming a plurality of support structures and an electrode pad attached a support structure, the electrode pad having a surface that is configured to be exposed to cochlear tissue and fluids and has a charge transfer to the cochlear tissue and fluids that is higher than the flexible electrically conductive material.
Abstract: An exemplary system includes an implantable cochlear stimulator implanted within a patient, a short electrode array coupled to the implantable cochlear stimulator and having a plurality of electrodes disposed thereon, and a sound processor communicatively coupled to the implantable cochlear stimulator. The sound processor may direct the implantable cochlear stimulator to apply a main current to a first electrode included in the plurality of electrodes and associated with a first pitch, direct the implantable cochlear stimulator to concurrently apply, during the application of the main current, a compensation current to a second electrode included in the plurality of electrodes and associated with a second pitch, and optimize an amount of the compensation current to result in a target pitch being presented to the patient that is distanced from the first pitch in a pitch direction opposite a pitch direction of the second pitch in relation to the first pitch.
Type:
Grant
Filed:
May 23, 2014
Date of Patent:
June 16, 2015
Assignee:
Advanced Bionics AG
Inventors:
Leonid M. Litvak, Myles McLaughlin, Abhijit Kulkarni, Aniket Saoji
Abstract: An exemplary system includes a sound processor configured to process one or more audio signals and an implantable cochlear stimulator configured to apply stimulation representative of the one or more audio signals to a patient via a plurality of electrodes. In some embodiments, the sound processor directs the implantable cochlear stimulator to 1) apply a main current to a first electrode included in the plurality of electrodes and associated with a first pitch, 2) concurrently apply, during the application of the main current, a compensation current to a second electrode included in the plurality of electrodes and associated with a second pitch that is lower than the first pitch, and 3) adjust the compensation current to result in a target pitch being presented to the patient, the target pitch being higher than the first pitch.