公开(公告)号：US11642035B2

公开(公告)日：2023-05-09

申请号：US16909436

申请日：2020-06-23

Applicant: Medtronic, Inc.

Inventor： Paul D. Ziegler ,  Shantanu Sarkar ,  Eduardo Warman

IPC: A61B5/024 ,  A61B5/00 ,  A61B5/11

CPC classification number: A61B5/024 ,  A61B5/4836 ,  A61B5/686 ,  A61B5/746 ,  A61B5/1118

Abstract: Some aspects relate to systems, devices, and methods of assessing heart rate recovery. A heart rate of a patient may be measured during a plurality of heart rate recovery events. Each of the plurality of heart rate recovery events comprises a duration of time after an activity resulting in an elevated heart rate. Heart rate recovery information may be determined based on the measured heart rate during each of the plurality of heart rate recovery events and a cardiac status of the patient may be generated from the determined heart rate recovery information over the plurality of heart rate recovery events.

公开(公告)号：US11633112B2

公开(公告)日：2023-04-25

申请号：US17246269

申请日：2021-04-30

Applicant: Medtronic, Inc.

Inventor： Robert W. Stadler ,  Ryan D. Wyszynski ,  Paul J. DeGroot ,  Shantanu Sarkar ,  Paul G. Krause ,  Kevin T. Ousdigian ,  Grant A. Neitzell ,  Christopher D. Koch

IPC: A61B5/0205 ,  A61B5/00 ,  A61B5/103 ,  A61B5/145

Abstract: An example device of a patient includes an antenna configured to wirelessly receive communication from a medical device; and processing circuitry coupled to the antenna and configured to: determine that the received communication indicates that a patient is experiencing an acute health event; in response to the determination, determine one or more physical states of the patient based on sensed data from one or more sensors; confirm that the patient is not experiencing the acute health event based on the determined one or more physical states; and output information based on the confirmation that the patient is not experiencing the acute health event.

公开(公告)号：US20220386930A1

公开(公告)日：2022-12-08

申请号：US17339308

申请日：2021-06-04

Applicant: Medtronic, Inc.

Inventor： Shubha Majumder ,  Sean R. Landman ,  Shantanu Sarkar

IPC: A61B5/363 ,  A61B5/355 ,  A61B5/352 ,  A61B5/00 ,  A61B5/353

Abstract: This disclosure is directed to systems and techniques for determining an evidence level of an atrial tachycardia (AT) episode based on heart beat intervals in the cardiac activity data over a pre-determined time period. Based on a determination that the evidence level indicates relatively regular heart beat intervals, the example techniques apply a first set of AT detection criteria and indicate a detection of an AT episode based on satisfaction of at least one of the first set of AT detection criteria. Based on a determination that the evidence level indicates relatively irregular heart beat intervals, the example techniques apply a second set of AT detection criteria and indicate a detection of an AT episode based on based on satisfaction of at least one of the second set of AT detection criteria.

公开(公告)号：US20220369961A1

公开(公告)日：2022-11-24

申请号：US17663657

申请日：2022-05-16

Applicant: Medtronic, Inc.

Inventor： Kamal Deep Mothilal ,  Michael D. Eggen ,  Ning Yu ,  John P. Keane ,  Shantanu Sarkar ,  Randal C. Schulhauser ,  David L. Probst ,  Mark R. Boone ,  Kenneth A. Timmerman ,  Stanley J. Taraszewski ,  Matthew A. Joyce ,  Amruta Paritosh Dixit ,  Kathryn E. Hilpisch ,  Kathryn Ann Milbrandt ,  Laura M. Zimmerman ,  Matthew L. Plante

IPC: A61B5/145 ,  A61B5/0205 ,  A61B5/00 ,  G16H50/20 ,  G16H50/30

Abstract: This disclosure is directed to systems and techniques for detecting change in patient health based upon patient data. In one example, a medical system comprising processing circuitry communicably coupled to a glucose sensor and configured to generate continuous glucose sensor measurements of a patient. The processing circuitry is further configured to: extract at least one feature from the continuous glucose sensor measurements over at least one time period, wherein the at least one feature comprises one or more of an amount of time within a pre-determined glucose level range, a number of hypoglycemia events, a number of hyperglycemia events, or one or more statistical metrics corresponding to the continuous glucose sensor measurements; apply a machine learning model to the at least one extracted feature to produce data indicative of a risk of a cardiovascular event; and generate output data based on the risk of the cardiovascular event.

公开(公告)号：US20220160250A1

公开(公告)日：2022-05-26

申请号：US17101945

申请日：2020-11-23

Applicant: Medtronic, Inc.

Inventor： David A. Anderson ,  James H. Borowick ,  Hyun J. Yoon ,  Jon E. Thissen ,  Shantanu Sarkar ,  Ashley L. Galarneau ,  Jason C. Lee

IPC: A61B5/06 ,  A61B5/042 ,  A61B5/044

Abstract: This disclosure is directed to techniques for detecting and mitigating inaccurate sensing in a medical system. In some examples, one or more sensors of the medical system may include at least one electrode configured to sense an impedance of a portion of a patient's body proximate to the electrode and processing circuitry of the medical system may detect an inaccuracy in the data corresponding to the one or more patient physiological parameters based upon data including at least the sensed impedance of the portion of the patient body; correct at least a portion of the inaccuracy in the data corresponding to the one or more patient physiological parameters; and generate, for display on a display device, output data indicating the inaccuracy in the data corresponding to the one or more patient physiological parameters.

公开(公告)号：US11154249B2

公开(公告)日：2021-10-26

申请号：US15969407

申请日：2018-05-02

Applicant: Medtronic, Inc.

Inventor： Jonathan L. Kuhn ,  James K. Carney ,  Shantanu Sarkar

IPC: A61B5/00 ,  A61B5/0205 ,  A61B5/07 ,  A61B5/1455 ,  A61B5/1459 ,  A61B5/287 ,  G16H40/63 ,  A61B5/021 ,  A61B5/024 ,  A61B5/0538 ,  A61B5/08 ,  A61N1/362 ,  A61N1/375 ,  A61N1/39

Abstract: In some examples, determining a health status includes using an implantable medical device configured for subcutaneous implantation and comprising at least one optical sensor. Processing circuitry of a system comprising the device may determine, for a patient, a current tissue oxygen saturation value based on a first signal received from the at least one optical sensor and a current pulsatile oxygen saturation value based on a second signal received from the at least one optical sensor. The processing circuitry may further compare the current tissue oxygen saturation and current pulsatile oxygen saturation values to corresponding baseline values, determine corresponding heart failure and pulmonary statuses of the patient based on the comparisons, and determine the health status of the patient based on the statuses.

公开(公告)号：US11116456B2

公开(公告)日：2021-09-14

申请号：US16454679

申请日：2019-06-27

Applicant: Medtronic, Inc.

Inventor： Douglas A. Hettrick ,  John E. Burnes ,  Tommy D. Bennett ,  Shantanu Sarkar ,  Eduardo N. Warman ,  Todd M. Zielinski

IPC: A61B5/00 ,  A61B5/021 ,  A61B5/0295 ,  A61B5/053 ,  A61B5/0538 ,  A61B5/07 ,  A61N1/365 ,  A61N1/372 ,  A61N1/375

Abstract: In some examples, determining a heart failure status of a patient using a medical device comprising a plurality of electrodes includes determining an estimated arterial pressure waveform of the patient based on an arterial impedance signal received from at least two of the plurality of electrodes. The estimated arterial pressure waveform may comprise a plurality of arterial pressure cycles. Each of the plurality of arterial pressure cycles may correspond to a different cardiac cycle of a plurality of cardiac cycles of the patient. At least one value of an intrinsic frequency of the corresponding arterial pressure cycle may be determined for at least some of the plurality of cardiac cycles and the heart failure status of the patient may be determined based on the at least one value of the intrinsic frequency.

公开(公告)号：US20210267528A1

公开(公告)日：2021-09-02

申请号：US17323836

申请日：2021-05-18

Applicant: Medtronic, Inc.

Inventor： Shantanu Sarkar ,  Michael L. Hudziak ,  Jerry D. Reiland ,  Erin N. Reisfeld

IPC: A61B5/363 ,  A61B5/00 ,  A61B5/287 ,  A61B5/316 ,  A61B5/335 ,  A61B5/352 ,  A61N1/365 ,  A61N1/39

Abstract: A system and method for detecting and verifying bradycardia/asystole episodes includes sensing an electrogram (EGM) signal. The EGM signal is compared to a primary threshold to sense events in the EGM signal, and at least one of a bradycardia or an asystole is detected based on the comparison. In response to detecting at least one of a bradycardia or an asystole, the EGM signal is compared to a secondary threshold to sense events under-sensed by the primary threshold. The validity of the bradycardia or the asystole is determined based on the detected under-sensed events.

公开(公告)号：US10299693B2

公开(公告)日：2019-05-28

申请号：US15676567

申请日：2017-08-14

Applicant: Medtronic, Inc.

Inventor： Shantanu Sarkar ,  Douglas A. Hettrick ,  Robert W. Stadler

IPC: A61B5/042 ,  A61B5/046 ,  A61B5/0464 ,  A61B5/053 ,  A61B5/11 ,  A61M37/00 ,  A61N1/365 ,  A61B5/0205 ,  A61B5/021 ,  A61B5/08 ,  A61M5/172

Abstract: Techniques for using multiple physiological parameters to provide an early warning for worsening heart failure are described. A medical device monitors a primary diagnostic parameter that is indicative of worsening heart failure, such as intrathoracic impedance or pressure, and one or more secondary diagnostic parameters. The medical device detects worsening heart failure in the patient based on the primary diagnostic parameter when an index that is changed over time based on the primary diagnostic parameter value is outside a range of values, termed the threshold zone. When the index is within the threshold zone, the medical device detects worsening heart failure in the patient based on the one or more secondary diagnostic parameters. Upon detecting worsening heart failure, the medical device may, for example, provide an alert that enables the patient to seek medical attention before experiencing a heart failure event.

公开(公告)号：US09744364B2

公开(公告)日：2017-08-29

申请号：US14248939

申请日：2014-04-09

Applicant: Medtronic, Inc.

Inventor： Charles R Gordon ,  Paul G Krause ,  Grant Alan Neitzell ,  Shantanu Sarkar ,  Ryan Wyszynski

IPC: A61N1/00 ,  A61N1/37 ,  A61N1/362 ,  A61B5/00 ,  G06F19/00

CPC classification number: A61N1/3704 ,  A61B5/0006 ,  A61B5/0031 ,  A61N1/3624 ,  G06F19/00 ,  G06F19/3418 ,  G06F19/3481

Abstract: A system including a programmable implantable monitoring device and a programmer for programming the device and a method of use thereof. The programmer may be configured to transmit programming commands responsive to entry of a reason for monitoring to the implantable device including a prioritization of an arrhythmia storage criterion. The implantable may be configured to thereafter store and/or transmit records of the arrhythmia according to the prioritization. The programmer may be configured to transmit the patient's age to the implantable device and the implantable may be configured to thereafter apply arrhythmia detection criteria based upon the patient's age.