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公开(公告)号：US20220031222A1
公开(公告)日：2022-02-03
申请号：US17363318
申请日：2021-06-30
申请人： Medtronic, Inc.
发明人： D'Anne E. Kudlik , Sarah J. Yoon
摘要： Systems and methods are described herein for determining whether or not each of a plurality of cardiac signals monitored from a plurality of electrodes is stable. A dispersion signal may be generated based on the plurality of cardiac signals, and low dispersion time period may be selected within which the cardiac signals may be analyzed for stability.
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公开(公告)号：US20180264258A1
公开(公告)日：2018-09-20
申请号：US15802615
申请日：2017-11-03
申请人： Medtronic, Inc.
发明人： Ya-Jian Cheng , D'Anne E. Kudlik
IPC分类号： A61N1/365 , A61N1/37 , A61B5/0452
CPC分类号： A61N1/365 , A61B5/0408 , A61B5/04085 , A61B5/0422 , A61B5/0428 , A61B5/0452 , A61B5/04525 , A61B5/0456 , A61B5/0472 , A61B5/6801 , A61B5/6823 , A61B5/6852 , A61B5/686 , A61B5/7203 , A61B5/7217 , A61B5/7264 , A61B5/7278 , A61N1/3622 , A61N1/3704 , A61N1/371
摘要： Medical device systems include processing circuitry configured to acquire sensed cardiac signals associated with cardiac activity of a heart of a patient, and to analyze the sensed cardiac signals to determine if a noise signal is present within the cardiac signals.
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公开(公告)号：US11786721B2
公开(公告)日：2023-10-17
申请号：US17141558
申请日：2021-01-05
申请人： Medtronic, Inc.
IPC分类号： A61B5/021 , A61M60/546 , A61M60/178 , A61M60/216 , A61B5/364
CPC分类号： A61M60/546 , A61B5/021 , A61B5/364 , A61M60/178 , A61M60/216 , A61M2205/18 , A61M2205/3365 , A61M2205/3523 , A61M2205/502 , A61M2205/52 , A61M2205/581 , A61M2205/582 , A61M2205/583
摘要： A controller for an implantable blood pump, having processing circuitry configured to control an operating speed of an impeller of the implantable blood pump. The processing circuitry being further configured to control activation and deactivation of a sleep mode. During the sleep mode the processing circuitry being configured to measure a level of suction by detecting suction during a predetermined time interval, recording the time at which suction occurred during the predetermined time interval, and generating a graph demonstrating the measured level of suction. The measured level of suction being a percentage of time the implantable blood pump experienced suction during the predetermined time interval. The processing circuitry being configured to reduce the operating speed of the impeller if the measured level of suction exceeds a predetermined threshold.
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公开(公告)号：US11617878B2
公开(公告)日：2023-04-04
申请号：US17119399
申请日：2020-12-11
申请人： Medtronic, Inc.
发明人： D'Anne E. Kudlik
IPC分类号： A61M60/592 , A61M60/178
摘要： A method of determining a cumulative presence of suction in a patient having an implanted blood pump including determining whether at least one suction event occurred during a predetermined time interval for a predetermined number of time intervals and determining the cumulative presence of suction by dividing a sum of a number of predetermined time intervals in which at least one suction event occurred by the predetermined number of time intervals.
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公开(公告)号：US11504520B2
公开(公告)日：2022-11-22
申请号：US16796017
申请日：2020-02-20
申请人： Medtronic, Inc.
发明人： D'Anne E. Kudlik
IPC分类号： A61M60/50 , G16H40/63 , A61M60/205
摘要： A controller for an implantable blood pump includes processing circuitry configured to initiate a suction response algorithm if a combination of a number of detected suction events multiplied by a suction event variable and a number of non-suction events multiplied by a non-suction event variable exceed a predetermined threshold.
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公开(公告)号：US20210220638A1
公开(公告)日：2021-07-22
申请号：US17119399
申请日：2020-12-11
申请人： Medtronic, Inc.
发明人： D'Anne E. Kudlik
IPC分类号： A61M60/592 , A61M60/178
摘要： A method of determining a cumulative presence of suction in a patient having an implanted blood pump including determining whether at least one suction event occurred during a predetermined time interval for a predetermined number of time intervals and determining the cumulative presence of suction by dividing a sum of a number of predetermined time intervals in which at least one suction event occurred by the predetermined number of time intervals.
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公开(公告)号：US11471678B2
公开(公告)日：2022-10-18
申请号：US16047619
申请日：2018-07-27
申请人： Medtronic, Inc.
IPC分类号： A61B5/318 , A61N1/36 , A61B5/00 , A61N1/362 , A61N1/365 , A61B5/282 , A61B5/287 , A61B5/352 , A61B5/366 , A61N1/32 , A61N1/368 , A61B5/25 , A61B5/316 , A61B5/363 , A61B5/364 , A61N1/39
摘要： Systems and methods are described herein for selection of a cardiac cycle, or heartbeat, from a plurality of cardiac cycles monitored over time. The cardiac cycle may be selected using various metrics including a single-cycle metric and a cycle-series metric. Further, the selected cardiac cycle may be used for further cardiac analysis (for example, to generate electrical activation times).
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公开(公告)号：US20220211995A1
公开(公告)日：2022-07-07
申请号：US17141558
申请日：2021-01-05
申请人： Medtronic, Inc.
IPC分类号： A61M60/546 , A61M60/178 , A61M60/216 , A61B5/021 , A61B5/364
摘要： A controller for an implantable blood pump, having processing circuitry configured to control an operating speed of an impeller of the implantable blood pump. The processing circuitry being further configured to control activation and deactivation of a sleep mode. During the sleep mode the processing circuitry being configured to measure a level of suction by detecting suction during a predetermined time interval, recording the time at which suction occurred during the predetermined time interval, and generating a graph demonstrating the measured level of suction. The measured level of suction being a percentage of time the implantable blood pump experienced suction during the predetermined time interval. The processing circuitry being configured to reduce the operating speed of the impeller if the measured level of suction exceeds a predetermined threshold.
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公开(公告)号：US20190030331A1
公开(公告)日：2019-01-31
申请号：US16047619
申请日：2018-07-27
申请人： Medtronic, Inc.
IPC分类号： A61N1/36 , A61B5/0456 , A61N1/32 , A61N1/368 , A61B5/0472
摘要： Systems and methods are described herein for selection of a cardiac cycle, or heartbeat, from a plurality of cardiac cycles monitored over time. The cardiac cycle may be selected using various metrics including a single-cycle metric and a cycle-series metric. Further, the selected cardiac cycle may be used for further cardiac analysis (for example, to generate electrical activation times).
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公开(公告)号：US20230277136A1
公开(公告)日：2023-09-07
申请号：US18317823
申请日：2023-05-15
申请人： Medtronic, Inc.
IPC分类号： A61B5/00 , A61B5/029 , A61M60/178 , A61M60/562 , A61M60/422 , A61M60/148 , A61M60/538 , A61M60/585 , A61M60/523 , A61M60/232 , A61M60/531 , A61M60/237
CPC分类号： A61B5/686 , A61B5/029 , A61M60/178 , A61M60/562 , A61M60/422 , A61M60/148 , A61M60/538 , A61B5/7282 , A61M60/585 , A61M60/523 , A61M60/232 , A61B5/746 , A61M60/531 , A61M60/237 , A61M2205/3365 , A61M2205/3334 , A61M2206/16 , A61M2206/11
摘要： A method of detecting hypertension in a patient having an implantable blood pump, the method includes operating the implantable blood pump at a first pump set speed during a first period of time. A first flow rate minimum during a cardiac cycle of the patient is measured. during the first period of time. The first pump set speed is reduced by at least 200 rpm during a second period of time after the first period of time to a second pump set speed, the second period of time being less than the first period of time. A second flow rate minimum is measured during a cardiac cycle during the second period of time. If the second flow rate minimum decreases during the second period of time at the second pump set speed by more than a predetermined amount, an alert is generated indicating a presence of hypertension.
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