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公开(公告)号:US10252071B2
公开(公告)日:2019-04-09
申请号:US15142171
申请日:2016-04-29
Applicant: Medtronic, Inc.
Inventor: Jian Cao , Timothy A. Ebeling , Saul E. Greenhut , Michael W. Heinks , Irving J. Sanchez , Paul R. Solheim , Xusheng Zhang , Gerald P. Arne
IPC: A61N1/39 , A61N1/05 , A61B5/0456 , A61N1/362 , A61N1/365
Abstract: An implantable medical device system capable of sensing cardiac electrical signals includes a sensing circuit, a therapy delivery circuit and a control circuit. The sensing circuit is configured to receive a cardiac electrical signal and sense a cardiac event in response to the signal crossing a cardiac event sensing threshold. The therapy delivery circuit is configured to deliver an electrical stimulation therapy to a patient's heart via the electrodes coupled to the implantable medical device. The control circuit is configured to control the sensing circuit to set a starting value of the cardiac event sensing threshold and hold the starting value constant for a sense delay interval. The control circuit is further configured to detect an arrhythmia based on cardiac events sensed by the sensing circuit and control the therapy delivery circuit to deliver the electrical stimulation therapy in response to detecting the arrhythmia.
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公开(公告)号:US20170296827A1
公开(公告)日:2017-10-19
申请号:US15487713
申请日:2017-04-14
Applicant: MEDTRONIC, INC.
Inventor: Hyun J. Yoon , Wade M. Demmer , Matthew J. Hoffman , Robert A. Betzold , Jonathan D. Edmonson , Michael L. Ellingson , Ben W. Herberg , Juliana E. Pronovici , James D. Reinke , Todd J. Sheldon , Paul R. Solheim
CPC classification number: A61N1/3718 , A61N1/3684 , A61N1/3688 , A61N1/3931 , A61N1/3956
Abstract: Implantable medical systems enter an exposure mode of operation, either manually via a down linked programming instruction or by automatic detection by the implantable system of exposure to a magnetic disturbance. A controller then determines the appropriate exposure mode by considering various pieces of information including the device type including whether the device has defibrillation capability, pre-exposure mode of therapy including which chambers have been paced, and pre-exposure cardiac activity that is either intrinsic or paced rates. Additional considerations may include determining whether a sensed rate during the exposure mode is physiologic or artificially produced by the magnetic disturbance. When the sensed rate is physiologic, then the controller uses the sensed rate to trigger pacing and otherwise uses asynchronous pacing at a fixed rate.
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公开(公告)号:US20240207620A1
公开(公告)日:2024-06-27
申请号:US18602538
申请日:2024-03-12
Applicant: MEDTRONIC, INC.
Inventor: Hyun J. Yoon , Wade M. Demmer , Matthew J. Hoffman , Robert A. Betzold , Jonathan D. Edmonson , Michael L. Ellingson , Mark K. Erickson , Ben W. Herberg , Juliana E. Pronovici , James D. Reinke , Todd J. Sheldon , Paul R. Solheim
CPC classification number: A61N1/3718 , A61N1/3684 , A61N1/3688 , A61N1/3925 , A61N1/39622
Abstract: Implantable medical systems enter an exposure mode of operation, either manually via a down linked programming instruction or by automatic detection by the implantable system of exposure to a magnetic disturbance. A controller then determines the appropriate exposure mode by considering various pieces of information including the device type including whether the device has defibrillation capability, pre-exposure mode of therapy including which chambers have been paced, and pre-exposure cardiac activity that is either intrinsic or paced rates. Additional considerations may include determining whether a sensed rate during the exposure mode is physiologic or artificially produced by the magnetic disturbance. When the sensed rate is physiologic, then the controller uses the sensed rate to trigger pacing and otherwise uses asynchronous pacing at a fixed rate.
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公开(公告)号:US12005259B2
公开(公告)日:2024-06-11
申请号:US17404517
申请日:2021-08-17
Applicant: Medtronic, Inc.
Inventor: Hyun J. Yoon , Vincent P. Ganion , Yanina Grinberg , Saul E. Greenhut , Todd J. Sheldon , Paul R. Solheim , Eric R. Williams
CPC classification number: A61N1/36542 , A61N1/3622 , A61N1/3624 , A61N1/3655
Abstract: A medical device is configured to generate an acceleration signal and a temperature signal. The device is configured to determine an activity metric from the acceleration signal that is representative of patient physical activity. In response to determining that the activity metric is equal to or greater than a previously determined activity metric, the device is configured to adjust a target cardiac pacing rate based at least on a temperature change determined from the temperature signal. The device may include a pulse generator for generating cardiac pacing pulses based on the target cardiac pacing rate.
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公开(公告)号:US20230364430A1
公开(公告)日:2023-11-16
申请号:US18227552
申请日:2023-07-28
Applicant: MEDTRONIC, INC.
Inventor: Hyun J. Yoon , Wade M. Demmer , Matthew J. Hoffman , Robert A. Betzold , Jonathan D. Edmonson , Michael L. Ellingson , Ben W. Herberg , Juliana E. Pronovici , James D. Reinke , Todd J. Sheldon , Paul R. Solheim
CPC classification number: A61N1/3718 , A61N1/3931 , A61N1/3956 , A61N1/3684
Abstract: Implantable medical systems enter an exposure mode of operation, either manually via a down linked programming instruction or by automatic detection by the implantable system of exposure to a magnetic disturbance. A controller then determines the appropriate exposure mode by considering various pieces of information including the device type including whether the device has defibrillation capability, pre-exposure mode of therapy including which chambers have been paced, and pre-exposure cardiac activity that is either intrinsic or paced rates. Additional considerations may include determining whether a sensed rate during the exposure mode is physiologic or artificially produced by the magnetic disturbance. When the sensed rate is physiologic, then the controller uses the sensed rate to trigger pacing and otherwise uses asynchronous pacing at a fixed rate.
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公开(公告)号:US11759647B2
公开(公告)日:2023-09-19
申请号:US17408390
申请日:2021-08-21
Applicant: Medtronic, Inc.
Inventor: Karen J. Kleckner , Wade M. Demmer , Vincent P. Ganion , Yanina Grinberg , Paul R. Solheim
CPC classification number: A61N1/378 , A61N1/059 , A61N1/3624 , A61N1/36542 , A61N1/36592 , A61N1/3956 , A61N1/3975 , A61B5/352 , A61B5/361 , A61B5/363 , A61B2560/0209
Abstract: A medical device and method conserve electrical power used in monitoring cardiac arrhythmias. The device includes a sensing circuit configured to sense a cardiac signal, a power source and a control circuit having a processor powered by the power source. The control circuit is configured to operate in a normal state by waking up the processor to analyze the cardiac electrical signal for determining a state of an arrhythmia. The control circuit switches from the normal state to a power saving state that includes waking up the processor at a lower rate than during the normal state.
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公开(公告)号:US11547864B2
公开(公告)日:2023-01-10
申请号:US17068011
申请日:2020-10-12
Applicant: Medtronic, Inc.
Inventor: Jian Cao , Gerald P. Arne , Timothy A. Ebeling , Yanina Grinberg , Michael W. Heinks , Paul R. Solheim , Xusheng Zhang
Abstract: An implantable medical device system is configured to sense cardiac events in response to a cardiac electrical signal crossing a cardiac event sensing threshold. A control circuit is configured to determine a drop time interval based on a heart rate and control a sensing circuit to hold the cardiac event sensing threshold at a threshold value during the drop time interval.
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公开(公告)号:US20220168578A1
公开(公告)日:2022-06-02
申请号:US17675508
申请日:2022-02-18
Applicant: Medtronic, Inc.
Inventor: Hyun J. Yoon , Wade M. Demmer , Matthew J. Hoffman , Robert A. Betzold , Jonathan D. Edmonson , Michael L. Ellingson , Mark K. Erickson , Ben W. Herberg , Juliana E. Pronovici , James D. Reinke , Todd J. Sheldon , Paul R. Solheim
Abstract: Implantable medical systems enter an exposure mode of operation, either manually via a down linked programming instruction or by automatic detection by the implantable system of exposure to a magnetic disturbance. A controller then determines the appropriate exposure mode by considering various pieces of information including the device type including whether the device has defibrillation capability, pre-exposure mode of therapy including which chambers have been paced, and pre-exposure cardiac activity that is either intrinsic or paced rates. Additional considerations may include determining whether a sensed rate during the exposure mode is physiologic or artificially produced by the magnetic disturbance. When the sensed rate is physiologic, then the controller uses the sensed rate to trigger pacing and otherwise uses asynchronous pacing at a fixed rate.
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公开(公告)号:US20210187313A1
公开(公告)日:2021-06-24
申请号:US17196526
申请日:2021-03-09
Applicant: Medtronic, Inc.
Inventor: Yanina Grinberg , Robert T. Sawchuk , Amy E. Thompson-Nauman , Douglas A. Peterson , Paul R. Solheim , Joel R. Lauer
Abstract: An implantable cardioverter defibrillator (ICD) receives a cardiac electrical signal by a sensing circuit while operating in a sensing without pacing mode and detects asystole based on the cardiac electrical signal. The ICD determines, in response to detecting the asystole, if asystole backup pacing is enabled, and automatically switches to a temporary pacing mode in response to the asystole backup pacing being enabled. Other examples of detecting asystole and providing a response to detecting asystole by the ICD are described herein.
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公开(公告)号:US10981010B2
公开(公告)日:2021-04-20
申请号:US16409921
申请日:2019-05-13
Applicant: Medtronic, Inc.
Inventor: Hyun J. Yoon , Wade M. Demmer , Matthew J. Hoffman , Robert A. Betzold , Jonathan D. Edmonson , Michael L. Ellingson , Ben W. Herberg , Juliana E. Pronovici , James D. Reinke , Todd J. Sheldon , Paul R. Solheim
Abstract: Implantable medical systems enter an exposure mode of operation, either manually via a down linked programming instruction or by automatic detection by the implantable system of exposure to a magnetic disturbance. A controller then determines the appropriate exposure mode by considering various pieces of information including the device type including whether the device has defibrillation capability, pre-exposure mode of therapy including which chambers have been paced, and pre-exposure cardiac activity that is either intrinsic or paced rates. Additional considerations may include determining whether a sensed rate during the exposure mode is physiologic or artificially produced by the magnetic disturbance. When the sensed rate is physiologic, then the controller uses the sensed rate to trigger pacing and otherwise uses asynchronous pacing at a fixed rate.
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