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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0816088 (2010-06-15) |
등록번호 | US-8239021 (2012-08-07) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 345 |
A cardiac pacing system preventing short-long-short pacing sequences. The system providing pacing pulses where necessary. The system having dynamic event window generation to adapt to changes in heart rate. The event window adaptable to process a number of intervals. The system including provisions
A cardiac pacing system preventing short-long-short pacing sequences. The system providing pacing pulses where necessary. The system having dynamic event window generation to adapt to changes in heart rate. The event window adaptable to process a number of intervals. The system including provisions for other inputs, such as sensor and morphology detection. The system adaptable for single mode and dual mode applications. The system also applicable to long pause prevention in atrial pacing and ventricular pacing.
1. A system, comprising: a controller, connected to a sense and pulse delivery module, the controller receiving signals from one or more electrodes and providing pulse instructions for delivery of pulses to the one or more electrodes;an event window generator, connected to the controller, producing
1. A system, comprising: a controller, connected to a sense and pulse delivery module, the controller receiving signals from one or more electrodes and providing pulse instructions for delivery of pulses to the one or more electrodes;an event window generator, connected to the controller, producing event windows for ventricular contraction events;one or more sensors connected to the controller; anda morphology detection system, connected to the controller, for detecting abnormal complexes,wherein the event windows are a function of ventricular rate and ventricular rate trajectory over a plurality of intervals between ventricular contraction events, signals from the one or more sensors, and information from the morphology detection system. 2. The system of claim 1, wherein the event windows are decreased for increases in ventricular rate trajectory. 3. The system of claim 2, wherein the event windows are increased for decreases in ventricular rate trajectory. 4. The system of claim 1, wherein the signals from the one or more sensors comprise signals indicative of one or more of physical exertion, elevated heart rate, circadian trends, and ultradian trends. 5. The system of claim 1, wherein the information from the morphology detection system comprises information on detection of arrhythmia trigger complexes. 6. The system of claim 5, wherein the event windows are decreased in response to the arrhythmia trigger complexes being detected. 7. The system of claim 1, wherein the information from the morphology detection system comprises information on detection of abnormal cardiac complexes. 8. The system of claim 7, wherein the event windows are decreased in response to the abnormal cardiac complexes being detected. 9. A system, comprising: a controller, connected to a sense and pulse delivery module, the controller receiving signals from one or more electrodes and providing pulse instructions for delivery of pulses to the one or more electrodes;one or more sensors, connected to the controller;a morphology detection system, connected to the controller, for detecting complexes indicative of cardiac arrhythmia; andan event window generator, connected to the controller, producing event windows for ventricular contraction events, the event windows each being a function of a plurality of intervals between ventricular contraction events and one or more of signals from the one or more sensors and signals from the morphology detection system,wherein the controller produces an instruction for providing a ventricular contraction following an event from which one of the event windows begins if a ventricular contraction event is not detected during the one of the event windows. 10. The system of claim 9, wherein the signals from the one or more sensors indicate conditions including one or more of physical exertion, elevated heart rate, circadian trends, and ultradian trends. 11. The system of claim 9, wherein, if the morphology detection system detects arrhythmia trigger complexes, the event window is decreased. 12. The system of claim 9, wherein, if the morphology detection system detects abnormal cardiac complexes, the event window is decreased. 13. The system of claim 9, wherein the event windows are each a function of a plurality of intervals between ventricular contraction events, a ventricular rate trajectory over the plurality of intervals between ventricular contraction events, and one or more of signals from the one or more sensors and signals from the morphology detection system. 14. The system of claim 13, wherein the event windows are decreased for increases in the ventricular rate trajectory. 15. The system of claim 13, wherein the event windows are increased for decreases in the ventricular rate trajectory.
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