Patents Assigned to Mortara Instrument, Inc.
  • Publication number: 20180199885
    Abstract: Systems and methods for monitoring the condition of electrodes used in biological signal measurement are provided. One method includes applying a first test signal having a first frequency to at least one of a plurality of electrodes and applying a second test signal having a second frequency to at least one of the plurality of electrodes. Both frequencies are below a frequency range associated with the biological signal. The method further includes capturing the biological signal while applying the plurality of test signals and generating an output signal that includes both the measured biological signal and the plurality of test signals. The method further includes retrieving an output amplitude for each of the plurality of test signals from the output signal and calculating an estimated impedance for each of the plurality of electrodes based on the retrieved output amplitudes of the plurality of test signals.
    Type: Application
    Filed: March 12, 2018
    Publication date: July 19, 2018
    Applicant: Mortara Instrument, Inc.
    Inventor: David W. Mortara
  • Publication number: 20180190372
    Abstract: Systems and methods for use in providing input relating to medical data are provided. A method includes receiving a partial textual input relating to medical data. The method further includes determining one or more suggested input strings associated with the partial textual input. Determining the suggested input string(s) includes: (1) for each of a plurality of reference input strings contained within one or more of a plurality of reference files within a database, identifying a frequency with which the reference input string appears in the plurality of reference files, and (2) determining the suggested input string(s) further includes determining the suggested input string(s) from among the plurality of reference input strings based on the frequencies with which the reference input strings appear in the plurality of reference files. The method further includes providing the suggested input string(s) to the user as suggestions for completing the partial textual input.
    Type: Application
    Filed: February 16, 2018
    Publication date: July 5, 2018
    Applicant: Mortara Instrument, Inc.
    Inventors: Justin Mortara, Scott Dorsey
  • Patent number: 9913614
    Abstract: Systems and methods for monitoring the condition of electrodes used in biological signal measurement are provided. One method includes applying a first test signal having a first frequency to at least one of a plurality of electrodes and applying a second test signal having a second frequency to at least one of the plurality of electrodes. Both frequencies are below a frequency range associated with the biological signal. The method further includes capturing the biological signal while applying the plurality of test signals and generating an output signal that includes both the measured biological signal and the plurality of test signals. The method further includes retrieving an output amplitude for each of the plurality of test signals from the output signal and calculating an estimated impedance for each of the plurality of electrodes based on the retrieved output amplitudes of the plurality of test signals.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: March 13, 2018
    Assignee: MORTARA INSTRUMENT, INC.
    Inventor: David W. Mortara
  • Patent number: 9898586
    Abstract: Systems and methods for use in providing input relating to medical data are provided. A method includes receiving a partial textual input relating to medical data. The method further includes determining one or more suggested input strings associated with the partial textual input. Determining the suggested input string(s) includes: (1) for each of a plurality of reference input strings contained within one or more of a plurality of reference files within a database, identifying a frequency with which the reference input string appears in the plurality of reference files, and (2) determining the suggested input string(s) further includes determining the suggested input string(s) from among the plurality of reference input strings based on the frequencies with which the reference input strings appear in the plurality of reference files. The method further includes providing the suggested input string(s) to the user as suggestions for completing the partial textual input.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: February 20, 2018
    Assignee: Mortara Instrument, Inc.
    Inventors: Justin Mortara, Scott Dorsey
  • Publication number: 20170172449
    Abstract: Systems and methods for measuring signals representative of muscle activity are provided. One method includes detecting an ECG signal through a plurality of electrodes. The ECG signal includes a plurality of ECG sample signals, and each ECG sample signal is a bipolar signal associated with two of the plurality of electrodes and includes a cardiac signal component and a myographic signal component. The method further includes filtering each of the ECG sample signals to remove at least a portion of the cardiac signal component and generate a combined myographic power signal for the two of the plurality of electrodes with which the ECG sample signal is associated. Each combined myographic power signal represents a myographic potential between the two electrodes. The method further includes calculating individual myographic power signals for each of the plurality of electrodes by applying the combined myographic power signals within a covariance matrix.
    Type: Application
    Filed: March 3, 2017
    Publication date: June 22, 2017
    Applicant: Mortara Instrument, Inc.
    Inventor: David W. Mortara
  • Patent number: 9585583
    Abstract: Systems and methods for measuring signals representative of muscle activity are provided. One method includes detecting an ECG signal through a plurality of electrodes. The ECG signal includes a plurality of ECG sample signals, and each ECG sample signal is a bipolar signal associated with two of the plurality of electrodes and includes a cardiac signal component and a myographic signal component. The method further includes filtering each of the ECG sample signals to remove at least a portion of the cardiac signal component and generate a combined myographic power signal for the two of the plurality of electrodes with which the ECG sample signal is associated. Each combined myographic power signal represents a myographic potential between the two electrodes. The method further includes calculating individual myographic power signals for each of the plurality of electrodes by applying the combined myographic power signals within a covariance matrix.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: March 7, 2017
    Assignee: MORTARA INSTRUMENT, INC.
    Inventor: David W. Mortara
  • Publication number: 20150327811
    Abstract: Systems and methods for monitoring the condition of electrodes used in biological signal measurement are provided. One method includes applying a first test signal having a first frequency to at least one of a plurality of electrodes and applying a second test signal having a second frequency to at least one of the plurality of electrodes. Both frequencies are below a frequency range associated with the biological signal. The method further includes capturing the biological signal while applying the plurality of test signals and generating an output signal that includes both the measured biological signal and the plurality of test signals. The method further includes retrieving an output amplitude for each of the plurality of test signals from the output signal and calculating an estimated impedance for each of the plurality of electrodes based on the retrieved output amplitudes of the plurality of test signals.
    Type: Application
    Filed: July 29, 2015
    Publication date: November 19, 2015
    Applicant: MORTARA INSTRUMENT, INC.
    Inventor: David W. Mortara
  • Patent number: 9149195
    Abstract: Methods and apparatus for assessing cardiac risks based on heart activity data obtained during a recovery stage of an exercise test of a specific patient. An embodiment of a method comprises determining a prognostic period of the heart activity data after a time t0 after a peak heart rate of the exercise test, and ascertaining a risk indicator. The risk indicator is based on (a) the heart rate activity data during the recovery stage only after time t0 and (b) a post-exercise heart rate reserve based on a post-exercise resting heart rate. This embodiment of the method further includes providing an assessment of cardiac risk of a specific patient based on the ascertained risk indicator.
    Type: Grant
    Filed: April 10, 2007
    Date of Patent: October 6, 2015
    Assignee: Mortara Instrument, Inc.
    Inventor: David M. Hadley
  • Patent number: 9113805
    Abstract: Systems and methods for monitoring the condition of electrodes used in biological signal measurement are provided. One method includes applying a first test signal having a first frequency to at least one of a plurality of electrodes and applying a second test signal having a second frequency to at least one of the plurality of electrodes. Both frequencies are below a frequency range associated with the biological signal. The method further includes capturing the biological signal while applying the plurality of test signals and generating an output signal that includes both the measured biological signal and the plurality of test signals. The method further includes retrieving an output amplitude for each of the plurality of test signals from the output signal and calculating an estimated impedance for each of the plurality of electrodes based on the retrieved output amplitudes of the plurality of test signals.
    Type: Grant
    Filed: March 4, 2013
    Date of Patent: August 25, 2015
    Assignee: MORTARA INSTRUMENT, INC.
    Inventor: David W. Mortara
  • Patent number: 8926521
    Abstract: Disclosed embodiments include a method for measuring non-invasive blood pressure from an oscillometric signal and a cuff pressure signal implemented in a medical apparatus comprising: (a) calculating a pulse pressure signal by subtracting an upper and a lower envelope of the oscillometric signal; and (b) calculating without the use of beat detection a mean arterial pressure, a systolic blood pressure, and a diastolic blood pressure from said oscillometric signal, said cuff pressure signal, and a plurality of thresholds a device with at least one processor.
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: January 6, 2015
    Assignee: Mortara Instrument, Inc.
    Inventor: Pedro Mateo Riobo Aboy
  • Patent number: 8900153
    Abstract: A patient monitoring device that combines physiological data collection with actigraphy data collection and associates the physiological data with synchronous actigraphy data. A method for processing actigraphy data by calculating absolute difference vectors of actigraphy signal vectors.
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: December 2, 2014
    Assignee: Mortara Instrument, Inc.
    Inventors: Merat Bagha, Pedro Mateo Riobo Aboy
  • Publication number: 20140247058
    Abstract: Systems and methods for monitoring the condition of electrodes used in biological signal measurement are provided. One method includes applying a first test signal having a first frequency to at least one of a plurality of electrodes and applying a second test signal having a second frequency to at least one of the plurality of electrodes. Both frequencies are below a frequency range associated with the biological signal. The method further includes capturing the biological signal while applying the plurality of test signals and generating an output signal that includes both the measured biological signal and the plurality of test signals. The method further includes retrieving an output amplitude for each of the plurality of test signals from the output signal and calculating an estimated impedance for each of the plurality of electrodes based on the retrieved output amplitudes of the plurality of test signals.
    Type: Application
    Filed: March 4, 2013
    Publication date: September 4, 2014
    Applicant: MORTARA INSTRUMENT, INC.
    Inventor: David W. Mortara
  • Patent number: 6697655
    Abstract: A low power pulse oximeter includes an input stage for amplifying a signal received from a light detector that is switchably connected to the power supply that powers the amplifier. The oximeter also includes an output stage with an LED driver circuit that is switchably connected to the power supply that powers the LED driver circuit. The input and output stages are switchably connected to the power supply when measurements need to be taken. When measurements do not need to be taken, they are switched off to reduce the power consumption of the oximeter.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: February 24, 2004
    Assignee: Mortara Instrument, Inc.
    Inventors: Brian E. Sueppel, David W. Mortara
  • Patent number: 6564077
    Abstract: An apparatus for determining the oxygenation of blood. The apparatus includes a detector that is configured to sense a first signal of a first wavelength, the first signal having a first arterial blood component and a first noise component. The detector is also configured to sense a second signal of a second wavelength, the second signal having a second arterial blood component and a second noise component. The first arterial blood component is related to the second arterial blood component by an arterial blood absorption ratio and the first noise component is related to the second noise component by a noise absorption ratio. The apparatus also includes a controller that is configured to determine a value of the noise absorption ratio that maximizes the magnitude of an autocorrelation function. The controller is further configured to determine the oxygenation of blood from the noise absorption ratio.
    Type: Grant
    Filed: October 10, 2001
    Date of Patent: May 13, 2003
    Assignee: Mortara Instrument, Inc.
    Inventor: David W. Mortara
  • Publication number: 20030069487
    Abstract: An apparatus for determining the oxygenation of blood. The apparatus includes a detector that is configured to sense a first signal of a first wavelength, the first signal having a first arterial blood component and a first noise component. The detector is also configured to sense a second signal of a second wavelength, the second signal having a second arterial blood component and a second noise component. The first arterial blood component is related to the second arterial blood component by an arterial blood absorption ratio and the first noise component is related to the second noise component by a noise absorption ratio. The apparatus also includes a controller that is configured to determine a value of the noise absorption ratio that maximizes the magnitude of an autocorrelation function. The controller is further configured to determine the oxygenation of blood from the noise absorption ratio.
    Type: Application
    Filed: October 10, 2001
    Publication date: April 10, 2003
    Applicant: Mortara Instrument, Inc.
    Inventor: David W. Mortara
  • Publication number: 20030069486
    Abstract: A low power pulse oximeter includes an input stage for amplifying a signal received from a light detector that is switchably connected to the power supply that powers the amplifier. The oximeter also includes an output stage with an LED driver circuit that is switchably connected to the power supply that powers the LED driver circuit. The input and output stages are switchably connected to the power supply when measurements need to be taken. When measurements do not need to be taken, they are switched off to reduce the power consumption of the oximeter.
    Type: Application
    Filed: October 5, 2001
    Publication date: April 10, 2003
    Applicant: MORTARA INSTRUMENT, INC.
    Inventors: Brian E. Sueppel, David W. Mortara
  • Patent number: 5704351
    Abstract: A digital telemetry transmitter for transmitting eight channels of diagnostic quality electrocardiographic data has input circuitry for receiving analog EKG signals originating at electrodes on the patient. The input circuitry includes a circuit for ascertaining the impedance of the electrode connection to the patient and to indicate an electrode fault. EKG signals from the input circuit are provided to a digital/analog converter for converting the analog signals into corresponding digital signals. The analog/digital converter may comprise an eight channel, 20-bit converter, sampling the input signals at a frequency of 10 KHz and providing a digital output signal having a frequency of 500 Hz. The output of the analog/digital converter is provided to a microprocessor control which provides a digital EKG modulating output signal. The output signal is periodically inverted to avoid stationarity in the transmitted data.
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: January 6, 1998
    Assignee: Mortara Instrument, Inc.
    Inventors: David W. Mortara, Brian E. Sueppel
  • Patent number: 5546950
    Abstract: An electrocardiographic patient lead cable apparatus comprises an elongated cable part and a connector. The cable part has a plurality of connecting wires with connectors for the electrodes. The connecting wires are joined together for varying portions of their length to form a flat common portion of the cable part. The common portion is connected at one end to the connector. The connecting wires separate from the common portion at the selected locations along the extension of the common part from the end connected to the connector to form relatively short separated connecting wires. The lead cable apparatus so formed facilitates correct connection of electrodes positioned at various locations on the body of the patient and reduces or eliminates tangling of the connecting wires. The connector is of compact, lightweight construction.
    Type: Grant
    Filed: July 6, 1994
    Date of Patent: August 20, 1996
    Assignee: Mortara Instrument, Inc.
    Inventors: Kurt P. Schoeckert, David W. Mortara
  • Patent number: 5490515
    Abstract: An apparatus and method directed to an adaptive noise filtering arrangement. The arrangement has the ability to estimate a first set of data for a first time-dependent variable based upon at least two sets of data for two time-dependent variables related to the first time-dependent variable. Additionally, the arrangement has the ability to filter an actual set of data for the first time-dependent variable based upon the first set of data and the actual set of data. The estimated first set of data and filtered actual set of data can be printed or displayed in a graphical format for analysis.
    Type: Grant
    Filed: August 29, 1994
    Date of Patent: February 13, 1996
    Assignee: Mortara Instrument, Inc.
    Inventor: David W. Mortara
  • Patent number: 5421342
    Abstract: An apparatus and method directed to an adaptive noise filtering arrangement. The arrangement has the ability to estimate a first set of data for a first time-dependent variable based upon at least two sets of data for two time-dependent variables related to the first time-dependent variable. Additionally, the arrangement has the ability to filter an actual set of data for the first time-dependent variable based upon the first set of data and the actual set of data. The estimated first set of data and filtered actual set of data can be printed or displayed in a graphical format for analysis.
    Type: Grant
    Filed: June 2, 1993
    Date of Patent: June 6, 1995
    Assignee: Mortara Instrument, Inc.
    Inventor: David W. Mortara