Patents Assigned to Envoy Medical Corporation
  • Patent number: 11266831
    Abstract: Cochlear implant systems can include first and second subsystems, each subsystem including an input source, a signal processor, a stimulator, and a cochlear electrode. A single implantable battery and/or communication module can provide power to and communicate with each subsystem, such as via each signal processor. Systems can include separate leads providing separate communication between the implantable battery and/or communication module and each subsystem, or can include a bifurcated lead providing signals to both subsystems simultaneously. The implantable battery and/or communication module can be configured to output addressed signals designating for which subsystem a signal is intended. The implantable battery and/or communication module can be configured to separately update settings associated with each respective subsystem, such as a transfer function associated with each signal processor.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: March 8, 2022
    Assignee: Envoy Medical Corporation
    Inventors: Paul R. Mazanec, Benjamin R. Whittington, Timothy J. Earnest, Joshua J. Wibben
  • Patent number: 11260220
    Abstract: Cochlear implant systems can include a signal processor, an implantable battery and/or communication module, and a plurality of conductors coupling the implantable battery and/or communication module and the signal processor. The implantable battery and/or communication module can communicate data and deliver electrical power to the signal processor via the plurality of conductors. The implantable battery and/or communication module can be configured to perform characterization process to determine one or more characteristics of one or more such conductors. Characterization processes can include determining an impedance between two conductors as a function of frequency, determining whether a conductor is intact, and determining an impedance of a given conductor. Some characterization processes include grounding one or more conductors.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: March 1, 2022
    Assignee: Envoy Medical Corporation
    Inventors: Paul R. Mazanec, Joshua J. Wibben, Timothy J. Earnest
  • Patent number: 11051116
    Abstract: Methods and devices for measuring vibration of an implanted driven vibrating elongate body coupled to a bone of the middle ear, for example using an accelerometer coupled to the vibrating body. The measured vibration can be taken during implantation and long again after implantation to check for possible decoupling, disease, or additionally impeded vibratory driving of the middle ear bone. An accelerometer signal can be converted to a displacement value and used to check for an under impeded or over impeded vibratory body. An implanted device can be used to periodically check the vibration of the vibratory body. Methods and devices can be used in conjunction with implanted devices which receive vibratory signals from a middle ear bone and use the signals to drive a disarticulated middle ear bone closer to the ear drum.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: June 29, 2021
    Assignee: Envoy Medical Corporation
    Inventor: Daniel E. Glumac
  • Patent number: 10743812
    Abstract: Methods, devices, and systems for measuring vibration of an implanted elongate vibrating body coupled to a bone of the middle ear. One system includes an elongate vibratory body having a first and second piezoelectric body separated by a central vane. The piezoelectric bodies and central vane can be individually electrically coupleable to an implantable electronic device. The electronic device can have a switch, driving circuitry and sensing circuitry within. In normal use, the driving circuitry is coupled through the switch to drive both piezoelectric bodies causing the vibratory body to vibrate. In diagnostic use, one piezoelectric body is driven while the other piezoelectric body is sensed to detect changes in vibration indicative of decoupling or undesirable impedance of the vibratory body.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: August 18, 2020
    Assignee: Envoy Medical Corporation
    Inventors: Daniel E. Glumac, Peter J. Schiller
  • Patent number: 10646709
    Abstract: Cochlear implant systems can include a cochlear electrode, a stimulator in electrical communication with the cochlear electrode, and a signal processor in communication with the stimulator. The signal processor can receive an input signal from an input source and output a stimulation signal to the stimulator based on the received input signal and a transfer function of the signal processor. The signal processor can be connected to the stimulator via a first detachable connector configured to detachably connect and provide communication between the signal processor and the stimulator. The signal processor can be connected to the input source via a second detachable connector configured to detachably connect and provide communication between the signal processor and the input source. A modular signal processor can be detached from the stimulator and the input source for repair or replacement.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: May 12, 2020
    Assignee: Envoy Medical Corporation
    Inventors: Paul R. Mazanec, Benjamin R. Whittington, Timothy J. Earnest
  • Patent number: 10569079
    Abstract: Fully implantable cochlear implant systems can include a cochlear electrode, a stimulator in electrical communication with the cochlear electrode, a signal processor in communication with the stimulator, and an implantable battery and/or communication module in communication with the signal processor. A cochlear implant network can include an external device in wireless communication with the fully implantable cochlear implant system via one or more system components, such as the implantable battery and/or communication module, the stimulator, and/or the signal processor. The external device can be configured to wirelessly communicate signals to the fully implantable cochlear implant system such as control signals and/or audio signals. Networks can include a plurality of external devices capable of interfacing with one or more implantable components of a fully implantable cochlear implant system.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: February 25, 2020
    Assignee: Envoy Medical Corporation
    Inventors: Paul R. Mazanec, Benjamin R. Whittington, Timothy J. Earnest, Travis Michael Beckerle
  • Patent number: 10549090
    Abstract: Cochlear implant systems can include a cochlear electrode, a stimulator in electrical communication with the cochlear electrode, and a signal processor in communication with the stimulator. The signal processor can include circuitry and a can surrounding and housing the circuitry. The signal processor can further include a first impedance between the circuitry and the can in order to reduce unintended electrical communication between the cochlear electrode and the circuitry of the signal processor. Other components can similarly include impedance between their respective cans and circuitry to prevent such undesired communication. Components can communicate with one another via bidirectional communication. Communication can include communication of signals and inverted signals to reduce net charge flow through the wearer's body.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: February 4, 2020
    Assignee: Envoy Medical Corporation
    Inventors: Paul R. Mazanec, Timothy J. Earnest
  • Patent number: 10129660
    Abstract: Apparatus, systems, and methods having or using an improved implantable middle ear transducer for driving an ossicular chain bone to assist in aiding hearing. One embodiment of the present invention is a transducer assembly for converting electrical signals to mechanical vibrations which can be coupled, for example, to the stapes to provide audible frequency vibrations to the cochlea. One transducer assembly includes a pair of fins or gussets coupled to opposite sides of a transducer in the direction of unwanted movement of the transducer. The base of the transducer may be coupled to a base member while the fins have free edges that are near to but not coupled to the base member. Some fins are triangular shaped. The fins may not substantially inhibit vibration in the preferred plane, but can inhibit unwanted vibrations in a plane orthogonal to the preferred direction which can substantially include a plane containing the fins.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: November 13, 2018
    Assignee: Envoy Medical Corporation
    Inventor: John P. Beck
  • Patent number: 9782600
    Abstract: A rechargeable battery system and method are disclosed, in which an implantable medical device (IMD) regulates its transfer of energy from a separate charger unit. For recharging, a charger unit is brought into proximity to the implanted device. An oscillating current is generated in a primary coil, located in the charger. By inductive coupling through an oscillating magnetic field, an alternating current is generated in a secondary coil, which is implanted in or near the implanted device. The alternating current then passes through a half-wave or full-wave rectifier to form a one-sided current, then passes through a regulator to form an essentially direct current, which is in turn directed to the rechargeable battery in the implanted device. The secondary coil has a controllable damped resonant frequency, which can be dynamically tuned away from the driving frequency of the primary coil by a variable resistor and/or by varying a duty cycle of a rapidly switched electrical element.
    Type: Grant
    Filed: August 20, 2009
    Date of Patent: October 10, 2017
    Assignee: ENVOY MEDICAL CORPORATION
    Inventor: Paul Richard Mazanec
  • Publication number: 20170201841
    Abstract: Methods and devices for measuring vibration of an implanted driven vibrating elongate body coupled to a bone of the middle ear, for example using an accelerometer coupled to the vibrating body. The measured vibration can be taken during implantation and long again after implantation to check for possible decoupling, disease, or additionally impeded vibratory driving of the middle ear bone. An accelerometer signal can be converted to a displacement value and used to check for an under impeded or over impeded vibratory body. An implanted device can be used to periodically check the vibration of the vibratory body. Methods and devices can be used in conjunction with implanted devices which receive vibratory signals from a middle ear bone and use the signals to drive a disarticulated middle ear bone closer to the ear drum.
    Type: Application
    Filed: December 20, 2016
    Publication date: July 13, 2017
    Applicant: Envoy Medical Corporation
    Inventor: Daniel E. GLUMAC
  • Patent number: 9682226
    Abstract: Described are lead connections for electrically connecting a lead terminal and a lead channel; the lead connection can be useful in an electronic device such as an implantable electronic device, such as a hearing implant.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: June 20, 2017
    Assignee: ENVOY MEDICAL CORPORATION
    Inventors: Kevin E. Verzal, Benjamin R. Whittington
  • Patent number: 9635478
    Abstract: A hearing aid output amplifier additionally outputs a scaled replica of the output battery current, which is integrated and measured by a coulomb counter. The scaled current charges a capacitor. When the capacitor reaches a threshold voltage, a switch is activated. The switch rapidly discharges the capacitor and allows the charging cycle to begin again. The switch also sends a digital pulse to a digital counter, which keeps track of the number of charge/discharge cycles the capacitor has undergone over the lifetime of the device. The amount of charge produced by the battery is proportional to the number of charge/discharge cycles counted. A hearing aid is disclosed, which has different modes that have different dynamic ranges, such as a “sleep” mode, an “active” mode, and/or an “RF communication” mode.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: April 25, 2017
    Assignee: ENVOY MEDICAL CORPORATION
    Inventor: Paul R. Mazanec
  • Patent number: 9525949
    Abstract: Methods and devices for measuring vibration of an implanted driven vibrating elongate body coupled to a bone of the middle ear, for example using an accelerometer coupled to the vibrating body. The measured vibration can be taken during implantation and long again after implantation to check for possible decoupling, disease, or additionally impeded vibratory driving of the middle ear bone. An accelerometer signal can be converted to a displacement value and used to check for an under impeded or over impeded vibratory body. An implanted device can be used to periodically check the vibration of the vibratory body. Methods and devices can be used in conjunction with implanted devices which receive vibratory signals from a middle ear bone and use the signals to drive a disarticulated middle ear bone closer to the ear drum.
    Type: Grant
    Filed: October 11, 2012
    Date of Patent: December 20, 2016
    Assignee: Envoy Medical Corporation
    Inventor: Daniel E. Glumac
  • Patent number: 9521493
    Abstract: A hearing aid is disclosed, which, in a test mode, can determine the impedance of the transducer that stimulates the anatomy of the patient. Impedance may be determined by simultaneous determination of the current flowing through the transducer and the voltage across the transducer. In some cases, the output amplifier of the hearing aid includes two outputs, with one being a scaled and/or summed replica of the other. The amplifier is driven with a periodic signal with a particular frequency and a known peak voltage. The periodic signal may be sinusoidal. The primary output of the amplifier is electrically connected to the transducer, with a known current given by the peak input current and a known gain of the amplifier. The voltage from the secondary output of the amplifier is measured. The impedance is calculated by dividing the measured voltage from the secondary output of the amplifier by the known current.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: December 13, 2016
    Assignee: ENVOY MEDICAL CORPORATION
    Inventor: Paul R. Mazanec
  • Patent number: 9497555
    Abstract: Apparatus, systems, and methods having or using an improved implantable middle ear transducer for driving an ossicular chain bone to assist in aiding hearing. One embodiment of the present invention is a transducer assembly for converting electrical signals to mechanical vibrations which can be coupled, for example, to the stapes to provide audible frequency vibrations to the cochlea. One transducer assembly includes a pair of fins or gussets coupled to opposite sides of a transducer in the direction of unwanted movement of the transducer. The base of the transducer may be coupled to a base member while the fins have free edges that are near to but not coupled to the base member. Some fins are triangular shaped. The fins may not substantially inhibit vibration in the preferred plane, but can inhibit unwanted vibrations in a plane orthogonal to the preferred direction which can substantially include a plane containing the fins.
    Type: Grant
    Filed: October 27, 2008
    Date of Patent: November 15, 2016
    Assignee: Envoy Medical Corporation
    Inventor: John P. Beck
  • Patent number: 9451368
    Abstract: A hearing aid is disclosed, having the ability to generate its own open-loop feedback scan of amplitude (as gain or attenuation) and phase, as a function of frequency. The hearing aid has a sensor that receives ambient sound from near a patient, and a driver that stimulates the anatomy of the patient. The hearing aid has an operational mode in which the driver stimulates the anatomy of the patient in response to the sound received at the sensor. The hearing aid has a test mode in which a test frequency is stepped through a predetermined range of frequencies. At each test frequency, the driver is driven with a sinusoidal driver signal at the test frequency, the sensor detects a sinusoidal sensor signal at the test frequency, and a comparison of the sensor signal to the driver signal produces an amplitude (gain or attenuation) and a phase for the test frequency.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: September 20, 2016
    Assignee: ENVOY MEDICAL CORPORATION
    Inventor: Paul R. Mazanec
  • Patent number: 9313590
    Abstract: A hearing aid is disclosed, which can autonomously track the bias current requirements of its output amplifier and control the current bias accordingly, resulting in less power consumption than if the bias current were delivered at a constant, worst-case level. An input signal is split into different frequency bands. A volume envelope is formed for each frequency band, which may function like an instantaneous volume level for each frequency band. The volume envelopes are weighted by frequency, with high frequencies being weighted more heavily than low frequencies. The weighted volume envelopes are used to calculate a dynamic bias current level, and a current with that level is provided to the output amplifier of the hearing aid. In some cases, the narrowband input signals for the frequency bands are amplified with respective predetermined gains, and are then combined to form a broadband output signal, which is sent to the output amplifier.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: April 12, 2016
    Assignee: ENVOY MEDICAL CORPORATION
    Inventor: Paul R. Mazanec
  • Publication number: 20150256945
    Abstract: A hearing aid is disclosed, which, in a test mode, can determine the impedance of the transducer that stimulates the anatomy of the patient. Impedance may be determined by simultaneous determination of the current flowing through the transducer and the voltage across the transducer. In some cases, the output amplifier of the hearing aid includes two outputs, with one being a scaled and/or summed replica of the other. The amplifier is driven with a periodic signal with a particular frequency and a known peak voltage. The periodic signal may be sinusoidal. The primary output of the amplifier is electrically connected to the transducer, with a known voltage given by the peak input voltage and a known gain of the amplifier. The current from the secondary output of the amplifier is measured. In an example measurement scheme, the secondary output is sent through a rectifier and then through a low-pass filter.
    Type: Application
    Filed: May 19, 2015
    Publication date: September 10, 2015
    Applicant: ENVOY MEDICAL CORPORATION
    Inventor: Paul R. Mazanec
  • Publication number: 20150157853
    Abstract: Described are lead connections for electrically connecting a lead terminal and a lead channel; the lead connection can be useful in an electronic device such as an implantable electronic device, such as a hearing implant.
    Type: Application
    Filed: December 6, 2013
    Publication date: June 11, 2015
    Applicant: Envoy Medical Corporation
    Inventors: Kevin E. Verzal, Benjamin R. Whittington
  • Patent number: 9036824
    Abstract: A hearing aid is disclosed, which, in a test mode, can determine the impedance of the transducer that stimulates the anatomy of the patient. Impedance may be determined by simultaneous determination of the current flowing through the transducer and the voltage across the transducer. In some cases, the output amplifier of the hearing aid includes two outputs, with one being a scaled and/or summed replica of the other. The amplifier is driven with a periodic signal with a particular frequency and a known peak voltage. The periodic signal may be sinusoidal. The primary output of the amplifier is electrically connected to the transducer, with a known voltage given by the peak input voltage and a known gain of the amplifier. The current from the secondary output of the amplifier is measured. In an example measurement scheme, the secondary output is sent through a rectifier and then through a low-pass filter.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: May 19, 2015
    Assignee: ENVOY MEDICAL CORPORATION
    Inventor: Paul R. Mazanec