Patents by Inventor Michael E. Miller

Michael E. Miller has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210024972
    Abstract: Embodiments of the invention provide multilayer analyte sensors having elements and/or architectures that function to improve oxygen delivery to sensor enzymes in manner that enhances sensor function, as well as methods for making and using such sensors. Typical embodiments of the invention include glucose sensors used in the management of diabetes.
    Type: Application
    Filed: July 26, 2019
    Publication date: January 28, 2021
    Applicant: MEDTRONIC MINIMED, INC.
    Inventors: Daniel E. Pesantez, Ashwin K. Rao, Ellis Garai, Rui Kong, Michael E. Miller
  • Publication number: 20200315504
    Abstract: The invention includes method and materials designed to measure the material properties (e.g. thickness) of layers of material in a sensor using non-Faradaic EIS (Electrochemical Impedance Spectroscopy) methods. The methods are non-destructive, very sensitive and rapid. Typically in these methods, an AC voltage is applied to the desired material layer while the output current and therefore impedance is measured. This voltage can be applied in multiple frequencies in sweep mode in order to detect both the material and, for example, the thickness of the target material. In this way, EIS allows the characterization of properties of various layers of material disposed in devices such as electrochemical glucose sensors.
    Type: Application
    Filed: April 4, 2019
    Publication date: October 8, 2020
    Applicant: MEDTRONIC MINIMED, INC.
    Inventors: Chi-En Lin, David Probst, Mohsen Askarinya, Akhil Srinivasan, Melissa Tsang, Michael E. Miller, Parisa Kamgar
  • Publication number: 20200237268
    Abstract: A diagnostic Electrochemical Impedance Spectroscopy (EIS) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. The measured values of the impedance-related parameters are then used in performing sensor diagnostics, calculating a highly-reliable fused sensor glucose value based on signals from a plurality of redundant sensing electrodes, calibrating sensors, detecting interferents within close proximity of one or more sensing electrodes, and testing surface area characteristics of electroplated electrodes. Advantageously, impedance-related parameters can be defined that are substantially glucose-independent over specific ranges of frequencies. An Application Specific Integrated Circuit (ASIC) enables implementation of the EIS-based diagnostics, fusion algorithms, and other processes based on measurement of EIS-based parameters.
    Type: Application
    Filed: April 20, 2020
    Publication date: July 30, 2020
    Inventors: Jenn-Hann Larry Wang, Michael E. Miller, Raghavendhar Gautham, Yiwen Li, Rajiv Shah
  • Patent number: 10660555
    Abstract: A diagnostic Electrochemical Impedance Spectroscopy (EIS) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. The measured values of the impedance-related parameters are then used in performing sensor diagnostics, calculating a highly-reliable fused sensor glucose value based on signals from a plurality of redundant sensing electrodes, calibrating sensors, detecting interferents within close proximity of one or more sensing electrodes, and testing surface area characteristics of electroplated electrodes. Advantageously, impedance-related parameters can be defined that are substantially glucose-independent over specific ranges of frequencies. An Application Specific Integrated Circuit (ASIC) enables implementation of the EIS-based diagnostics, fusion algorithms, and other processes based on measurement of EIS-based parameters.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: May 26, 2020
    Assignee: MEDTRONIC MINIMED, INC.
    Inventors: Jenn-Hann Larry Wang, Michael E. Miller, Raghavendhar Gautham, Yiwen Li, Rajiv Shah
  • Patent number: 10638947
    Abstract: Electrochemical Impedance Spectroscopy (EIS) is used in conjunction with continuous glucose monitors and continuous glucose monitoring (CGM) to enable in-vivo sensor calibration, gross (sensor) failure analysis, and intelligent sensor diagnostics and fault detection. An equivalent circuit model is defined, and circuit elements are used to characterize sensor behavior.
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: May 5, 2020
    Assignee: MEDTRONIC MINIMED, INC.
    Inventors: Andrea Varsavsky, Michael E. Miller, Bradley C. Liang
  • Patent number: 10609932
    Abstract: A rocker-type poultry chiller, including a tank for receiving poultry carcasses and holding chilled water, an axle mounted in the tank, a main paddle connected to the axle, and a side paddle connected to the axle. The oscillation of the main paddle and the side paddle urges the carcasses upwardly and laterally, which contributes to the cooling of the carcasses as a result of their thorough contact in the chilled water. The movement of the paddles also gently massages the carcasses by gently bumping them against the paddle blades and the wall of the tank. The repeated compression of the carcasses tends to tenderize the meat. The side paddles ensure more predictable and consistent contact between the paddles and all of the carcasses, which causes more agitation of the carcasses and more effective washing of the carcasses.
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: April 7, 2020
    Assignee: John Bean Technologies Corporation
    Inventors: Lucas M. Miller, Jeremy B. Estes, J. Barton Langley, Michael E. Miller
  • Publication number: 20200046303
    Abstract: Methods, devices, apparatuses and systems are disclosed for performing mammography, such as utilizing tomosynthesis in combination with breast biopsy.
    Type: Application
    Filed: June 6, 2019
    Publication date: February 13, 2020
    Inventors: Kenneth DEFREITAS, John LAVIOLA, Loren Thomas NIKLASON, Tao WU, Joseph L. MARK, Michael E. MILLER, Jay A. STEIN, Andrew P. SMITH
  • Patent number: 10549036
    Abstract: A system and method for providing closed loop infusion formulation delivery which accurately calculates a delivery amount based on a sensed biological state by adjusting an algorithm's programmable control parameters. The algorithm calculates a delivery amount having proportional, derivative, and basal rate components. The control parameters may be adjusted in real time to compensate for changes in a sensed biological state that may result from daily events. Safety limits on the delivery amount may be included in the algorithm. The algorithm may be executed by a computing element within a process controller for controlling closed loop infusion formulation delivery. The biological state is sensed by a sensing device which provides a signal to the controller. The controller calculates an infusion formulation delivery amount based on the signal and sends commands to an infusion formulation delivery device which delivers an amount of infusion formulation determined by the commands.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: February 4, 2020
    Assignee: MEDTRONIC MINIMED, INC.
    Inventors: Timothy J. Starkweather, Ronald J. Lebel, Rajiv Shah, Michael E. Miller
  • Publication number: 20190269355
    Abstract: A diagnostic Electrochemical Impedance Spectroscopy (EIS) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. The measured values of the impedance-related parameters are then used in performing sensor diagnostics, calculating a highly-reliable fused sensor glucose value based on signals from a plurality of redundant sensing electrodes, calibrating sensors, detecting interferents within close proximity of one or more sensing electrodes, and testing surface area characteristics of electroplated electrodes. Advantageously, impedance-related parameters can be defined that are substantially glucose-independent over specific ranges of frequencies. An Application Specific Integrated Circuit (ASIC) enables implementation of the EIS-based diagnostics, fusion algorithms, and other processes based on measurement of EIS-based parameters.
    Type: Application
    Filed: May 22, 2019
    Publication date: September 5, 2019
    Inventors: Jenn-Hann Larry Wang, Michael E. Miller, Raghavendhar Gautham, Yiwen Li, Rajiv Shah
  • Publication number: 20190246943
    Abstract: Electrochemical Impedance Spectroscopy (EIS) is used in conjunction with continuous glucose monitors and continuous glucose monitoring (CGM) to enable in-vivo sensor calibration, gross (sensor) failure analysis, and intelligent sensor diagnostics and fault detection. An equivalent circuit model is defined, and circuit elements are used to characterize sensor behavior.
    Type: Application
    Filed: April 23, 2019
    Publication date: August 15, 2019
    Inventors: Andrea Varsavsky, Fei Yu, Michael E. Miller, Ning Yang
  • Patent number: 10342468
    Abstract: A diagnostic Electrochemical Impedance Spectroscopy (EIS) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. The measured values of the impedance-related parameters are then used in performing sensor diagnostics, calculating a highly-reliable fused sensor glucose value based on signals from a plurality of redundant sensing electrodes, calibrating sensors, detecting interferents within close proximity of one or more sensing electrodes, and testing surface area characteristics of electroplated electrodes. Advantageously, impedance-related parameters can be defined that are substantially glucose-independent over specific ranges of frequencies. An Application Specific Integrated Circuit (ASIC) enables implementation of the EIS-based diagnostics, fusion algorithms, and other processes based on measurement of EIS-based parameters.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: July 9, 2019
    Assignee: MEDTRONIC MINIMED, INC.
    Inventors: Jenn-Hann Larry Wang, Michael E. Miller, Raghavendhar Gautham, Yiwen Li, Rajiv Shah
  • Patent number: 10335094
    Abstract: Methods, devices, apparatuses and systems are disclosed for performing mammography, such as utilizing tomosynthesis in combination with breast biopsy.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: July 2, 2019
    Assignee: HOLOGIC, INC.
    Inventors: Kenneth DeFreitas, John LaViola, Loren Thomas Niklason, Tao Wu, Joseph L. Mark, Michael E. Miller, Jay A. Stein, Andrew P. Smith
  • Patent number: 10335076
    Abstract: A diagnostic Electrochemical Impedance Spectroscopy (EIS) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. The measured values of the impedance-related parameters are then used in performing sensor diagnostics, calculating a highly-reliable fused sensor glucose value based on signals from a plurality of redundant sensing electrodes, calibrating sensors, detecting interferents within close proximity of one or more sensing electrodes, and testing surface area characteristics of electroplated electrodes. Advantageously, impedance-related parameters can be defined that are substantially glucose-independent over specific ranges of frequencies. An Application Specific Integrated Circuit (ASIC) enables implementation of the EIS-based diagnostics, fusion algorithms, and other processes based on measurement of EIS-based parameters.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: July 2, 2019
    Assignee: MEDTRONIC MINIMED, INC.
    Inventors: Jenn-Hann Larry Wang, Michael E. Miller, Raghavendhar Gautham, Yiwen Li, Rajiv Shah
  • Patent number: 10335077
    Abstract: A diagnostic Electrochemical Impedance Spectroscopy (EIS) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. The measured values of the impedance-related parameters are then used in performing sensor diagnostics, calculating a highly-reliable fused sensor glucose value based on signals from a plurality of redundant sensing electrodes, calibrating sensors, detecting interferents within close proximity of one or more sensing electrodes, and testing surface area characteristics of electroplated electrodes. Advantageously, impedance-related parameters can be defined that are substantially glucose-independent over specific ranges of frequencies. An Application Specific Integrated Circuit (ASIC) enables implementation of the EIS-based diagnostics, fusion algorithms, and other processes based on measurement of EIS-based parameters.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: July 2, 2019
    Assignee: MEDTRONIC MINIMED, INC.
    Inventors: Jenn-Hann Larry Wang, Michael E. Miller, Raghavendhar Gautham, Yiwen Li, Rajiv Shah
  • Patent number: 10321844
    Abstract: Electrochemical Impedance Spectroscopy (EIS) is used in conjunction with continuous glucose monitors and continuous glucose monitoring (CGM) to enable in-vivo sensor calibration, gross (sensor) failure analysis, and intelligent sensor diagnostics and fault detection. An equivalent circuit model is defined, and circuit elements are used to characterize sensor behavior.
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: June 18, 2019
    Assignee: MEDTRONIC MINIMED, INC.
    Inventors: Andrea Varsavsky, Fei Yu, Michael E. Miller, Ning Yang
  • Publication number: 20190175082
    Abstract: A pseudo-orthogonally redundant glucose sensor device may include one or more electrochemical peroxide-based glucose sensor(s) and one or more electrochemical oxygen-based sensor(s). The electrochemical peroxide-based glucose sensor(s) may operate as traditional peroxide-based sensor(s), which may include a chemistry stack with glucose oxidase as a catalytic agent. The electrochemical oxygen-based sensor(s) may be used to measure oxygen, as well as to measure glucose by computing differences in oxygen between two working electrodes. In embodiments of the invention, one of the oxygen-based sensors may be used directly as a diagnostic to determine whether each peroxide-based glucose sensor is functioning properly, as well as to determine which modality of sensing to use. Because of the internal oxygen-based reference, the glucose sensor device provides oxygen-resistant glucose sensing, as well as near-orthogonal redundancy.
    Type: Application
    Filed: December 13, 2017
    Publication date: June 13, 2019
    Inventors: ANDREA VARSAVSKY, Michael E. Miller
  • Publication number: 20190076070
    Abstract: A continuous glucose monitoring system may utilize externally sourced information regarding the physiological state and ambient environment of its user for externally calibrating sensor glucose measurements. Externally sourced factory calibration information may be utilized, where the information is generated by comparing metrics obtained from the data used to generate the sensor's glucose sensing algorithm to similar data obtained from each batch of sensors to be used with the algorithm in the future. The output sensor glucose value of a glucose sensor may also be estimated by analytically optimizing input sensor signals to accurately correct for changes in sensitivity, run-in time, glucose current dips, and other variable sensor wear effects.
    Type: Application
    Filed: August 30, 2018
    Publication date: March 14, 2019
    Inventors: Keith Nogueira, Peter Ajemba, Michael E. Miller, Steven C. Jacks, Jeffrey Nishida, Andy Y. Tsai, Andrea Varsavsky
  • Publication number: 20180256118
    Abstract: Methods, devices, apparatuses and systems are disclosed for performing mammography, such as utilizing tomosynthesis in combination with breast biopsy.
    Type: Application
    Filed: February 26, 2018
    Publication date: September 13, 2018
    Inventors: Kenneth DEFREITAS, John LAVIOLA, Loren Thomas NIKLASON, Tao WU, Joseph L. MARK, Michael E. MILLER, Jay A. STEIN, Andrew P. SMITH
  • Patent number: 9989491
    Abstract: A diagnostic Electrochemical Impedance Spectroscopy (EIS) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. The measured values of the impedance-related parameters are then used in performing sensor diagnostics, calculating a highly-reliable fused sensor glucose value based on signals from a plurality of redundant sensing electrodes, calibrating sensors, detecting interferents within close proximity of one or more sensing electrodes, and testing surface area characteristics of electroplated electrodes. Advantageously, impedance-related parameters can be defined that are substantially glucose-independent over specific ranges of frequencies. An Application Specific Integrated Circuit (ASIC) enables implementation of the EIS-based diagnostics, fusion algorithms, and other processes based on measurement of EIS-based parameters.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: June 5, 2018
    Assignee: MEDTRONIC MINIMED, INC.
    Inventors: Catherine M. Szyman, Michael E. Miller, Rajiv Shah
  • Publication number: 20180074011
    Abstract: A diagnostic Electrochemical Impedance Spectroscopy (EIS) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. The measured values of the impedance-related parameters are then used in performing sensor diagnostics, calculating a highly-reliable fused sensor glucose value based on signals from a plurality of redundant sensing electrodes, calibrating sensors, detecting interferents within close proximity of one or more sensing electrodes, and testing surface area characteristics of electroplated electrodes. Advantageously, impedance-related parameters can be defined that are substantially glucose-independent over specific ranges of frequencies. An Application Specific Integrated Circuit (ASIC) enables implementation of the EIS-based diagnostics, fusion algorithms, and other processes based on measurement of EIS-based parameters.
    Type: Application
    Filed: November 20, 2017
    Publication date: March 15, 2018
    Inventors: Jenn-Hann Larry Wang, Michael E. Miller, Raghavendhar Gautham, Yiwen Li, Rajiv Shah