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Med-El Elektromedizinische Geraete GmbH Patents
Assignee:
Med-El Elektromedizinische Geraete GmbH
Address:
Innsbruck, AT
No. of patents:
55
Patents:


1 2










Patent Number Title Of Patent Date Issued
8577473 Cochlear implant stimulation with low frequency channel privilege November 5, 2013
A system and method for activating stimulation electrodes in cochlear implant electrode is described. A preprocessor filter bank processes an input acoustic audio signal to generate band pass signals that each represent an associated band of audio frequencies. An information extracto
8571673 Energy saving silent mode for hearing implant systems October 29, 2013
A signal processing arrangement for a cochlear implant system is described. A sensing microphone senses an acoustic signal to generate a corresponding electrical sound signal. An information detection circuit performs spectral analysis on the sound signal to identify the presence of
8565900 Low power signal transmission October 22, 2013
A low-power implant system. The system includes an implant for implantation into a person, such as a cochlear implant or a middle ear implant. The implant is capable of communicating with a device via transmission of ultra wideband pulses. The device may be adapted to be worn externa
8285385 High accuracy tonotopic and periodic coding with enhanced harmonic resolution October 9, 2012
Generating electrode stimulation signals for an implanted electrode array is described. An acoustic audio signal is processed to generate band pass signals which represent associated bands of audio frequencies. Macro bands are defined, each of which characterizes multiple band pass s
8285384 Implantable medical devices with multiple transducers October 9, 2012
Devices with both electrical and mechanical signal transducers can be used for improving sound perception by individuals with severe to profound hearing loss or tinnitus.
8280524 External button processor with a rechargeable battery October 2, 2012
An external processor device is described for an implantable prosthetic system. An external processor housing has a generally planar skin contacting surface and a central axis perpendicular to the skin contacting surface. A signal processor is located within the processor housing for
8280522 Cochlear implant power system and methodology October 2, 2012
A cochlear implant system has an implantable portion that includes a stimulator module for producing for the auditory system of a user an electrical stimulation signal representative of an acoustic signal. The implantable portion further includes a battery for supplying power to the
8280480 Stapedius muscle electrode October 2, 2012
The invention relates to a stapedius muscle electrode array for detecting the action elements generated when a human stapedius muscle is contracted. Said array comprises an electrode (2, 2', 2'') that is adapted for bipolar discharge and is to be attached to a human stapedius muscle.
8170678 Synchronized diagnostic measurement for cochlear implants May 1, 2012
Objective measurement of cochlear implant operation is described which coordinates the delivery to a patient of an acoustic signal and an electrical signal. The acoustic signal is developed as an acoustic stimulation input to the ear canal of a patient, and the electrical signal is d
8165686 Simultaneous intracochlear stimulation April 24, 2012
A method, system and computer product for simultaneously activating at least two electrodes in a multichannel electrode array is presented. The method includes calculating pulse amplitudes of the electrodes in the multichannel array by taking into account parameters of spatial channel
8160715 Middle ear fixation structure April 17, 2012
An implantable fixation structure includes a c-shape bone fixation clip adapted to fit over and attach to a bony bridge element in the middle ear of a patient. A c-shape electrode fixation clip is adapted to fit over and attach to an electrode array element in the middle ear of the p
8150528 Double branch cochlear implant electrode April 3, 2012
A stimulation electrode is described for a hearing impaired patient. An intra-fluid electrode branch is immersed in cochlear fluid within an interior volume of a patient cochlea and has electrode contacts for delivering a cochlear stimulation signal to adjacent neural tissue. An intr
8145326 Intra-cochlear electrode with a partially detachable hydrophilic segment for deferred self-posit March 27, 2012
A perimodiolar electrode for cochlear implantation includes an electrode carrier having a front end and a back end. The electrode carrier includes one or more contacts and a hydrophilic segment that swells after insertion in a cochlea and detaches at least in part from the carrier. In
8136532 System, apparatus, and method for facilitating interface with laryngeal structures March 20, 2012
Systems and methods of positioning interface elements for interfacing with laryngeal structures of a subject such as for diagnosis or treatment of a laryngeal impairment. Illustratively, a needle is positioned in geographical relation to the lateral wing of a vocal cord cartilage and
8128551 Remote sensing and actuation of fluid of inner ear March 6, 2012
A system for communicating with the inner ear is described. An acoustic transducer converts between electrical energy and mechanical energy. An inner ear catheter has a distal end in vibratory communication with the fluid of the inner ear, a proximal end in vibratory communication with
8126572 Cochlear implant electrode with adjustable subdivision for middle ear functions February 28, 2012
An electrode for use with a cochlear implant capable of being implanted in a subject is provided. The electrode includes a main electrode branch which provides functions to an inner ear of the subject and an adjustable subdivision connected to the main electrode for providing functions t
8119344 Mutation in the regulatory region of GJB2 mediates neonatal hearing loss within DFNB1 February 21, 2012
Homozygous alterations in the gap junction protein GJB2 (connexin 26), within the DFNB1 locus, are responsible for up to 50% of autosomal recessive non-syndromic hearing impairment (NSHI). Analysis of the GJB2 promoter revealed the potential importance of T-228C in the regulation of
8118725 Reducing effect of magnetic and electromagnetic fields on an implant's magnet and/or electronics February 21, 2012
An implantable magnet that can freely turn in response to an external magnetic field, thus avoiding torque and demagnetization on the implantable magnet. The implantable magnet can be combined with an electric switching function depending on the orientation of an external magnetic fi
8112161 Implantable electrode with variable mechanical modulation wiring February 7, 2012
A cochlear implant electrode is described. A basal electrode lead carries electrical stimulation signals from an implant housing to a cochleostomy opening, and a portion of the electrode lead has a periodically recurring lead shape. An apical electrode array at the cochleostomy end of th
8046081 Implanted system with DC free inputs and outputs October 25, 2011
An implantable electronic system is described. An implantable power supply includes multiple power input ports for receiving an externally generated power supply signal, and multiple power output ports for developing a detected power signal. An implantable prosthetic processing modul
8023586 Inductive power and data transmission system based on class D and amplitude shift keying September 20, 2011
A rf signal transfer link is described which uses amplitude shift keying (ASK) to transfer rf data pulses. The link minimizes state transition time at the end of each data pulse.
8019429 Carrier and envelope triggered cochlear stimulation September 13, 2011
Generation of electrode stimulation signals for an implanted electrode array is described. An acoustic audio signal is processed to generate band pass signals which include a fine structure carrier signal and a modulator envelope signal. For each band pass signal, fine time structure
8013699 MRI-safe electro-magnetic tranducer September 6, 2011
An electro-magnetic transducer includes a housing. At least one coil is associated with the housing. A spherical magnet within the housing is capable of turning in any direction and of moving along an axis. A first keeper and a second keeper are positioned on opposite sides of the ma
7979135 Cochlear implant pitch intensity July 12, 2011
A system and method are described for generating electrode stimulation signals for an implanted electrode array having multiple stimulation electrodes. An acoustic audio signal is processed to determine associated pitch characteristics and frequency component information. From the pitch
7976453 Reducing effect of magnetic and electromagnetic fields on an implant's magnet and/or electronics July 12, 2011
An implantable magnet that can freely turn in response to an external magnetic field, thus avoiding torque and demagnetization on the implantable magnet. The implantable magnet can be combined with an electric switching function depending on the orientation of an external magnetic fi
7955250 Implantable microphone having sensitivity and frequency response June 7, 2011
Implantable microphone devices that may be utilized in hearing systems are provided. An implantable microphone device allows the implantable microphone's frequency response and sensitivity to be selected. A microphone device with an increased membrane flexibility and a decreased acou
7951063 Totally implantable hearing prosthesis May 31, 2011
The invention comprises a totally implantable hearing prosthesis for hearing impaired persons. An inertial vibrational element is hermetically sealed and implanted in bone between the lateral and superior semicircular canals without breaching the integrity of the canals. The vibratio
7941223 Cochlear implant stimulation with variable number of electrodes May 10, 2011
A system and method for activating electrodes in an implanted electrode array with a stimulation signal is described. A stimulation definition stage, for each of a plurality of defined sound signal characteristics (C), assigns each electrode to one of a plurality of stimulation groups
7937157 Electrical nerve stimulation based on channel specific sequences May 3, 2011
A method of activating at least two electrodes in a multichannel electrode array using channel specific sampling sequences is presented. A channel specific sampling sequence is defined for each electrode, the sequence having a particular duration, pulse amplitude distribution, and nu
7920923 Binaural stimulation in neural auditory prostheses or hearing aids April 5, 2011
The present invention discloses of binaural stimulation in a neural auditory prosthesis. Binaural acoustic signals are generated that represent sound associated with a user's left and right ears respectively. Based on the binaural acoustic signals, corresponding binaural stimulation
7917224 Simultaneous stimulation for low power consumption March 29, 2011
A stimulation system including a stimulator having a multi-channel electrode array utilizing a monopolar electrode configuration. A processor is operatively coupled to the stimulator. The processor is configured to determine a channel interaction (CI) sequence using simultaneous, sig
7917220 System, apparatus, and method for facilitating interface with laryngeal structures March 29, 2011
A system and method of positioning an interface element for interfacing with laryngeal structures in a subject such as for diagnosis or treatment of a laryngeal impairment is presented. Illustratively, a curved hollow needle system is inserted into a subperichondral space beneath posteri
7873420 Password protection for cochlear implant January 18, 2011
An implant system includes an external portion adapted for placement external to a user, and an implantable portion adapted for placement internal the user. One of the internal portion and the external portion includes a first password for transmitting to the other one of the interna
7815615 Implantable fluid delivery apparatuses and implantable electrode October 19, 2010
A cochlear implant system is described. An implantable housing includes an electronics module containing circuitry for developing an electrical stimulation signal for the inner ear, and a fluid channel port for receiving therapeutic fluid for the inner ear. An electrode array include
7792587 Middle ear fixation structure September 7, 2010
An implantable fixation structure includes at least one implantable holding element. The holding element is connected to an implantable cochlear implant element and maintains the cochlear implant element in a desired position relative to the middle ear of a patient user.
7744525 Moving coil actuator for middle ear implants June 29, 2010
A hearing enhancement includes an audio processor that generates an electrical audio signal and transmits the signal to a coil. The coil is implanted into a patient in a position that results in transmission of mechanical stimulation to the inner ear when the coil is spatially displa
7720542 Remote sensing and actuation of fluid in cranial implants May 18, 2010
An implantable device is described. An implantable transducer converts between electrical energy and acoustic energy. An implantable electronics module is in communication with the transducer and processes electronic data signals associated with the transducer. A fluid filled catheter ha
7706888 Bi-planar electrode with shunting gates April 27, 2010
A neural stimulator includes an electrically non-conductive carrier and at least two electrically conductive electrodes disposed on opposite sides of the carrier. The electrodes on the opposite sides of the carrier are not electrically connected together. Instead, a signal source is
7657045 Low power signal transmission February 2, 2010
A low-power implant system. The system includes an implant for implantation into a person, such as a cochlear implant or a middle ear implant. The implant is capable of communicating with a device via transmission of ultra wideband pulses. The device may be adapted to be worn externa
7642887 System and method for reducing effect of magnetic fields on a magnetic transducer January 5, 2010
An electro-magnetic driver transducer free of torque in the presence of an external magnetic field, of any direction and orientation (such as in a Magnetic Resonance Imaging environment). The transducer includes a housing. At least one coil is associated with the housing. A plurality of
7609061 Demagnetized implant for magnetic resonance imaging October 27, 2009
A method of operating a magnetic resonance imaging (MRI) system is described. A magnetic element in an implanted medical device is demagnetized by exposing it to an external demagnetizing magnetic field. Magnetic resonance imaging of the patient is performed. Then the magnetic elemen
7566296 Reducing effect of magnetic and electromagnetic fields on an implant's magnet and/or electronics July 28, 2009
An implantable magnet that can freely turn in response to an external magnetic field, thus avoiding torque and demagnetization on the implantable magnet. The implantable magnet can be combined with an electric switching function depending on the orientation of an external magnetic fi
7382850 Multichannel cochlear implant with neural response telemetry June 3, 2008
A circuit and method for cochlear implant telemetry where digital data is encoded into an RF signal. The RF signal is applied via a rectifier diode to a first switch matrix S1 and a second switch matrix S2, with S1 being coupled to a first sampling capacitor C1 and S2 being coupled to a
7339510 Accumulator for adaptive sigma-delta modulation March 4, 2008
A system and method for adaptive sigma-delta modulation. The system includes a input stage that produces a difference signal representing the difference between an analog input signal x(n) and a analog feedback signal z(n), the amplitude of the analog input signal x(n) within a first
7338028 Fluid switch controlled trans-cutaneously via magnetic force March 4, 2008
A fluid switch or valve for an implantable fluid delivery system is provided. The fluid switch or valve includes a fluid chamber having a fluid inlet and a fluid outlet and an internal magnet disposed within the fluid chamber. The internal magnet is moveable such that displacement of
7283876 Electrical stimulation of the acoustic nerve based on selected groups October 16, 2007
In accordance with one embodiment of the invention, a method of activating electrodes in a multichannel electrode array is provided. Each channel is associated with a different electrode in the array. At least two groups of channels in the multichannel electrode array are selected, where
7209789 Electrical nerve stimulation based on channel specific sampling sequences April 24, 2007
A method of activating at least two electrodes in a multichannel electrode array uses channel specific sampling sequences. More particularly, a channel specific sampling sequence is defined for each electrode, the sequence having a particular duration, pulse amplitude distribution, and
7190295 Accumulator for adaptive sigma-delta modulation March 13, 2007
A system and method for adaptive sigma-delta modulation. The system includes a input stage that produces a difference signal representing the difference between an analog input signal x(n) and a analog feedback signal z(n), the amplitude of the analog input signal x(n) within a first
7190247 System and method for reducing effect of magnetic fields on a magnetic transducer March 13, 2007
An electromagnetic driver transducer free of torque in the presence of an external magnetic field, of any direction and orientation (such as in a Magnetic Resonance Imaging environment). The transducer includes a housing. At least one coil is associated with the housing. A plurality of
7091806 Reducing effect of magnetic and electromagnetic fields on an implant's magnet and/or electronics August 15, 2006
An implantable magnet that can freely turn in response to an external magnetic field, thus avoiding torque and demagnetization on the implantable magnet. The implantable magnet can be combined with an electric switching function depending on the orientation of an external magnetic fi
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