Patents Assigned to MEDTRONIC MONITORING, INC.
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Patent number: 10335053Abstract: Embodiments of the present disclosure describe methods of adaptive arrhythmia detection comprising monitoring ECG signals of a patient via a patient medical device, detecting and capturing ECG segments based on a heart rate threshold and an initial sensitivity level associated with the heart rate threshold; and adjusting the sensitivity level based on previously captured ECG segments. Embodiments of the present disclosure further describe patient medical devices comprising one or more electrodes and sensing circuitry for monitoring ECG signals of a patient; and a processing module configured to receive the monitored ECG signal, wherein the processing module detects and captures ECG segments based on a plurality of heart rate thresholds and one or more sensitivity levels associated with each of the heart rate thresholds, and adjusts at least one of the one or more sensitivity levels associated with each of the heart rate thresholds.Type: GrantFiled: November 20, 2018Date of Patent: July 2, 2019Assignee: Medtronic Monitoring, Inc.Inventors: Rodolphe Katra, Niranjan Chakravarthy
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Patent number: 10292611Abstract: A medical device is utilized to monitor physiological parameters of a patient and capture segments of the monitored physiological parameters. The medical device includes circuitry configured to monitor one or more physiological parameters associated with the patient and an analysis module that includes a buffer and a processor. The buffer stores monitored physiological parameters and the processor analyzes the monitored physiological parameters and triggers capture of segments from the buffer in response to a triggering criteria being satisfied. The analysis module selects a pre-trigger duration based at least in part on the triggering criteria.Type: GrantFiled: November 1, 2016Date of Patent: May 21, 2019Assignee: Medtronic Monitoring, Inc.Inventors: Rodolphe Katra, Scott Williams, Niranjan Chakravarthy
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Publication number: 20190082989Abstract: Embodiments of the present disclosure describe methods of adaptive arrhythmia detection comprising monitoring ECG signals of a patient via a patient medical device, detecting and capturing ECG segments based on a heart rate threshold and an initial sensitivity level associated with the heart rate threshold; and adjusting the sensitivity level based on previously captured ECG segments. Embodiments of the present disclosure further describe patient medical devices comprising one or more electrodes and sensing circuitry for monitoring ECG signals of a patient; and a processing module configured to receive the monitored ECG signal, wherein the processing module detects and captures ECG segments based on a plurality of heart rate thresholds and one or more sensitivity levels associated with each of the heart rate thresholds, and adjusts at least one of the one or more sensitivity levels associated with each of the heart rate thresholds.Type: ApplicationFiled: November 20, 2018Publication date: March 21, 2019Applicant: Medtronic Monitoring, Inc.Inventors: Rodolphe Katra, Niranjan Chakravarthy
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Patent number: 10159423Abstract: Embodiments of the present disclosure describe methods of adaptive arrhythmia detection comprising monitoring ECG signals of a patient via a patient medical device, detecting and capturing ECG segments based on a heart rate threshold and an initial sensitivity level associated with the heart rate threshold; and adjusting the sensitivity level based on previously captured ECG segments. Embodiments of the present disclosure further describe patient medical devices comprising one or more electrodes and sensing circuitry for monitoring ECG signals of a patient; and a processing module configured to receive the monitored ECG signal, wherein the processing module detects and captures ECG segments based on a plurality of heart rate thresholds and one or more sensitivity levels associated with each of the heart rate thresholds, and adjusts at least one of the one or more sensitivity levels associated with each of the heart rate thresholds.Type: GrantFiled: September 28, 2016Date of Patent: December 25, 2018Assignee: Medtronic Monitoring, Inc.Inventors: Rodolphe Katra, Niranjan Chakravarthy
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Patent number: 10143395Abstract: A system and method for detecting arrhythmic electrocardiogram (ECG) signals includes defining a plurality of threshold heart rates and rate-dependent sensitivity levels for detecting arrhythmic ECG episodes, wherein more clinically relevant heart rates are assigned rate-dependent sensitivity levels with higher sensitivities. ECG signals are monitored by a medical device, and monitored ECG signals are processed using the plurality of threshold heart rates and rate-dependent sensitivity levels to detect and capture arrhythmic ECG segments.Type: GrantFiled: September 28, 2016Date of Patent: December 4, 2018Assignee: MEDTRONIC MONITORING, INC.Inventors: Niranjan Chakravarthy, Rodolphe Katra
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Patent number: 10028699Abstract: An adherent device is configured to adhere to the skin of the patient with an adherent patch, for example breathable tape, coupled to at least four electrodes. The device comprises impedance circuitry coupled to the at least four electrodes and configured to measure respiration of the patient to detect sleep apnea and/or hypopnea. The impedance circuitry may be used to measure hydration of the patient. An accelerometer can be mechanically coupled to the adherent patch such that the accelerometer can be coupled to and move with the skin of the patient. Electrocardiogram circuitry to generate an electrocardiogram signal may be coupled to at least two of the at least four electrodes to detect the sleep apnea and/or hypopnea.Type: GrantFiled: April 1, 2014Date of Patent: July 24, 2018Assignee: MEDTRONIC MONITORING, INC.Inventors: Imad Libbus, Yatheendhar D. Manicka, Mark J. Bly
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Patent number: 9986932Abstract: Described herein is a system and method of automatically monitoring QT intervals in a patient based on one or more EKG signals received from attached monitoring devices. Each EKG signal is analyzed to detect attributes of the first and second EKG signals, including QRS onset information, QRS peak information, and T-wave offset information. A QT interval is calculated based on QRS onset information derived from the first EKG signal and T-wave offset information derived from the second EKG signal. The calculated QT interval is compared to thresholds to detect elongation of the QT interval and an alert is generated in response to a detected elongated QT interval.Type: GrantFiled: November 17, 2014Date of Patent: June 5, 2018Assignee: Medtronic Monitoring, Inc.Inventors: Niranjan Chakravarthy, Abhi Chavan, Scott Williams, Rao Gudivada
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Publication number: 20180132733Abstract: A patient monitoring device includes reusable and disposable portions. The disposable portion includes two or more electrodes for coupling to the skin of the patient, a battery, and a first set of electrical contacts. The reusable portion includes a processor, memory, a second set of electrical contacts, and sensing circuitry coupled to the at least two electrodes, wherein the reusable portion is mechanically coupleable to the disposable portion and wherein the reusable portion is electrically coupleable to the disposable portion through the first and second electrical contacts. The sensing circuitry and the processor are powered from the battery through the coupled first and second electrical contacts, and wherein when the reusable portion and the disposable portion are mechanically uncoupled after having been mechanically coupled, the disposable portion is rendered unusable by the process of mechanically uncoupling the reusable portion and the disposable portion.Type: ApplicationFiled: December 21, 2017Publication date: May 17, 2018Applicant: Medtronic Monitoring, Inc.Inventors: Arthur LAI, Jonathan ENGEL, Senthil SWAMINATHAN, Thomas PIAGET, Brett A. LANDRUM, Scott WILLIAMS, Abhi CHAVAN
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Publication number: 20180132793Abstract: Embodiments of the present disclosure describe a method of monitoring a patient comprising generating an accelerometer signal of a patient via a patient medical device and capturing and sampling the accelerometer signal at a sampling rate that utilizes non-regular timing intervals. Embodiments further describe a patient medical device comprising sensors for monitoring an accelerometer signal of a patient and circuitry for sampling the accelerometer signal at a sampling rate that utilizes non-regular timing intervals. Embodiments also describe a method of processing physiological signals comprising monitoring ECG signals and accelerometer signals of a patient via a patient medical device and capturing an ECG segment and sampling the accelerometer signal at a sampling rate that utilizes non-regular timing intervals.Type: ApplicationFiled: November 14, 2016Publication date: May 17, 2018Applicant: Medtronic Monitoring, Inc.Inventors: Rodolphe Katra, Matthew Edelman, Scott Williams, Niranjan Chakravarthy, Arthur Lai
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Publication number: 20180116598Abstract: Embodiments describe a method of determining etiology of undiagnosed events comprising monitoring electrocardiogram signals and blood pressure of a patient via a medical device, capturing one or more of an ECG segment and a BP reading in response to a triggering event, classifying one or more of the ECG segment and BP reading as normal or abnormal, and determining etiology of undiagnosed symptomatic events based on the classification. Embodiments further describe a medical device comprising sensors for monitoring ECG signals and BP of a patient, circuitry for capturing one or more of ECG segments and BP readings of a patient in response to a triggering event, and a processor for communicating one of more of captured ECG segments and captured BP readings to a remote monitoring center directly or indirectly where the captured ECG segments and captured BP readings are classified as normal or abnormal.Type: ApplicationFiled: November 2, 2016Publication date: May 3, 2018Applicant: Medtronic Monitoring, Inc.Inventors: Brian B. LEE, ShaileshKumar V. MUSLEY, Robert W. STADLER, Maneesh SHRIVASTAV, Randal SCHULHAUSER, Stacie VILENDRER
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Publication number: 20180116536Abstract: A medical device is utilized to monitor physiological parameters of a patient and capture segments of the monitored physiological parameters. The medical device includes circuitry configured to monitor one or more physiological parameters associated with the patient and an analysis module that includes a buffer and a processor. The buffer stores monitored physiological parameters and the processor analyzes the monitored physiological parameters and triggers capture of segments from the buffer in response to a triggering criteria being satisfied. The analysis module selects a pre-trigger duration based at least in part on the triggering criteria.Type: ApplicationFiled: November 1, 2016Publication date: May 3, 2018Applicant: Medtronic Monitoring, Inc.Inventors: Rodolphe KATRA, Scott WILLIAMS, Niranjan CHAKRAVARTHY
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Publication number: 20180116538Abstract: A system and method of monitoring electrocardiogram (ECG) signals and detecting ischemic conditions. In particular, high-frequency components and low-frequency components are extracted from the monitored ECG signal. The high-frequency components are analyzed to detect reduced amplitude zones (RAZs), while the low-frequency components are utilized to detect premature ventricular contraction (PVC) beats. Potentially ischemic conditions are identified based on both RAZs and PVC beats detected.Type: ApplicationFiled: November 3, 2016Publication date: May 3, 2018Applicant: Medtronic Monitoring, Inc.Inventors: ShaileshKumar V. MUSLEY, Maneesh SHRIVASTAV, Stacie VILENDRER
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Publication number: 20180085022Abstract: Embodiments of the present disclosure describe methods of adaptive arrhythmia detection comprising monitoring ECG signals of a patient via a patient medical device, detecting and capturing ECG segments based on a heart rate threshold and an initial sensitivity level associated with the heart rate threshold; and adjusting the sensitivity level based on previously captured ECG segments. Embodiments of the present disclosure further describe patient medical devices comprising one or more electrodes and sensing circuitry for monitoring ECG signals of a patient; and a processing module configured to receive the monitored ECG signal, wherein the processing module detects and captures ECG segments based on a plurality of heart rate thresholds and one or more sensitivity levels associated with each of the heart rate thresholds, and adjusts at least one of the one or more sensitivity levels associated with each of the heart rate thresholds.Type: ApplicationFiled: September 28, 2016Publication date: March 29, 2018Applicant: Medtronic Monitoring, Inc.Inventors: Rodolphe KATRA, Niranjan CHAKRAVARTHY
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Publication number: 20180085021Abstract: A system and method for detecting arrhythmic electrocardiogram (ECG) signals includes defining a plurality of threshold heart rates and rate-dependent sensitivity levels for detecting arrhythmic ECG episodes, wherein more clinically relevant heart rates are assigned rate-dependent sensitivity levels with higher sensitivities. ECG signals are monitored by a medical device, and monitored ECG signals are processed using the plurality of threshold heart rates and rate-dependent sensitivity levels to detect and capture arrhythmic ECG segments.Type: ApplicationFiled: September 28, 2016Publication date: March 29, 2018Applicant: Medtronic Monitoring, Inc.Inventors: Niranjan CHAKRAVARTHY, Rodolphe KATRA
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Patent number: 9848779Abstract: A patient monitoring device includes reusable and disposable portions. The disposable portion includes two or more electrodes for coupling to the skin of the patient, a battery, and a first set of electrical contacts. The reusable portion includes a processor, memory, a second set of electrical contacts, and sensing circuitry coupled to the at least two electrodes, wherein the reusable portion is mechanically coupleable to the disposable portion and wherein the reusable portion is electrically coupleable to the disposable portion through the first and second electrical contacts. The sensing circuitry and the processor are powered from the battery through the coupled first and second electrical contacts, and wherein when the reusable portion and the disposable portion are mechanically uncoupled after having been mechanically coupled, the disposable portion is rendered unusable by the process of mechanically uncoupling the reusable portion and the disposable portion.Type: GrantFiled: February 20, 2015Date of Patent: December 26, 2017Assignee: Medtronic Monitoring, Inc.Inventors: Arthur Lai, Jonathan Engel, Senthil Swaminathan, Thomas Piaget, Brett A. Landrum, Scott Williams, Abhi Chavan
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Patent number: 9770182Abstract: An adherent device to monitor a patient for an extended period comprises a breathable tape. The breathable tape comprises a porous material with an adhesive coating to adhere the breathable tape to a skin of the patient. At least one electrode is affixed to the breathable tape and capable of electrically coupling to a skin of the patient. A printed circuit board is connected to the breathable tape to support the printed circuit board with the breathable tape when the tape is adhered to the patient. Electronic components electrically are connected to the printed circuit board and coupled to the at least one electrode to measure physiologic signals of the patient. A breathable cover and/or an electronics housing is disposed over the circuit board and electronic components and connected to at least one of the electronics components, the printed circuit board or the breathable tape.Type: GrantFiled: July 2, 2014Date of Patent: September 26, 2017Assignee: Medtronic Monitoring, Inc.Inventors: Mark J. Bly, Badri Amurthur, Kristofer J. James, Imad Libbus, Yatheendhar D. Manicka, Scott T. Mazar, Jerry S. Wang
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Patent number: 9706938Abstract: A system and method of monitoring and reporting premature ventricular contractions (PVCs) detected in a patient is described. The method includes monitoring an electro-cardiogram (ECG) signal of the patient with an adherent device that includes a plurality of electrodes. Premature ventricular contraction (PVC) beats are detected based on the monitored ECG signal, and ECG episodes associated with detected PVC beats are stored for subsequent analysis. A morphology signal is calculated by quantifying the stored ECG episodes associated with detected PVC beats, wherein the morphology signal numerically represents the shape of the detected PVC beat. The PVC beats are then numerically clustered based on the calculated morphology signals to group PVC beats having a similar morphology or shape, and a report is generated based on the clustering of the PVC beats.Type: GrantFiled: October 29, 2015Date of Patent: July 18, 2017Assignee: Medtronic Monitoring, Inc.Inventors: Niranjan Chakravarthy, Abhi Chavan
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Publication number: 20170172413Abstract: A system and method of flagging monitored ECG samples for urgent review by a human expert is described, and includes monitoring an electro-cardiogram (ECG) signal of the patient with an adherent device that includes a plurality of electrodes. Based on the monitored ECG signal, detected rhythm abnormalities in the patient are detected and ECG samples are collected with respect to detected rhythm abnormalities. One or more features are identified with respect to each ECG sample, and the features are utilized to flag ECG samples for urgent review by a human expert.Type: ApplicationFiled: December 21, 2015Publication date: June 22, 2017Applicant: Medtronic Monitoring, Inc.Inventors: Niranjan CHAKRAVARTHY, Abhi CHAVAN, Brion FINLAY
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Publication number: 20170164841Abstract: Methods and apparatus to determine the presence of and track functional chronotropic incompetence (hereinafter “CI”) in an in-home setting under conditions of daily living. The functional CI of the patient may be determined with one or more of a profile of measured patient heart rates, a measured maximum patient heart rate, or a peak of the heart rate profile. The functional CI of the patient may be determined with the measured heart rate profile, in which the measured heart rate profile may correspond to heart rates substantially less than the maximum heart rate of the patient, such that the heart rate can be safely measured when the patient is remote from a health care provider. The functional CI of the patient may be determined based a peak of the remotely measured heart rate profile, for example a peak corresponding to the mode of the heart rate distribution profile.Type: ApplicationFiled: February 24, 2017Publication date: June 15, 2017Applicant: Medtronic Monitoring, Inc.Inventors: Rodolphe Katra, Niranjan Chakravarthy, Imad Libbus
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Patent number: RE46926Abstract: An adherent device to monitor a patient for an extended period comprises a breathable tape. The breathable tape comprises a porous material with an adhesive coating to adhere the breathable tape to a skin of the patient. At least one electrode is affixed to the breathable tape and capable of electrically coupling to a skin of the patient. A printed circuit board is connected to the breathable tape to support the printed circuit board with the breathable tape when the tape is adhered to the patient. Electronic components electrically are connected to the printed circuit board and coupled to the at least one electrode to measure physiologic signals of the patient. A breathable cover and/or an electronics housing is disposed over the circuit board and electronic components and connected to at least one of the electronics components, the printed circuit board or the breathable tape.Type: GrantFiled: August 25, 2016Date of Patent: July 3, 2018Assignee: Medtronic Monitoring, Inc.Inventors: Mark J. Bly, Badri Amurthur, Kristofer J. James, Imad Libbus, Yatheendhar D. Manicka, Scott T. Mazar, Jerry S. Wang