SYSTEMS AND METHODS FOR OFF-LINE REPROGRAMMING OF IMPLANTABLE MEDICAL DEVICE COMPONENTS TO REDUCE FALSE DETECTIONS OF CARDIAC EVENTS
First Claim
1. A method for use with an implantable medical device, the method comprising:
- sensing a cardiac signal within a patient in which the device is implanted using a cardiac signal sensing system;
detecting cardiac events of interest within the patient using an event detection system;
recording portions of the cardiac signal, including portions representative of the events of interest;
subsequently retrieving portions of the recorded cardiac signal and analyzing the retrieved portions during an off-line analysis to identify false detections of events of interest; and
selectively adjusting one or both of the cardiac signal sensing system and the event detection system to reduce false detections of events of interest.
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Accused Products
Abstract
Techniques are provided for use by implantable medical devices such as pacemakers or by external systems in communication with such devices. An intracardiac electrogram (IEGM) is sensed within a patient in which the device is implanted using a cardiac signal sensing system. Cardiac events of interest such as arrhythmias, premature atrial contractions (PACs), premature ventricular contractions (PVCs) and pacemaker mediated tachycardias (PMTs) are detected within the patient using event detection systems and then portions of the IEGM representative of the events of interest are recorded in device memory. Subsequently, during an off-line or background analysis, the recorded IEGM data is retrieved and analyzed to identify false detections. In response to false detections, the cardiac signal sensing systems and/or the event detection systems of the implantable device are selectively adjusted or reprogrammed to reduce or eliminate any further false detections, including false-positives or false-negatives. Various adaptive reprogramming techniques are described.
31 Citations
29 Claims
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1. A method for use with an implantable medical device, the method comprising:
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sensing a cardiac signal within a patient in which the device is implanted using a cardiac signal sensing system; detecting cardiac events of interest within the patient using an event detection system; recording portions of the cardiac signal, including portions representative of the events of interest; subsequently retrieving portions of the recorded cardiac signal and analyzing the retrieved portions during an off-line analysis to identify false detections of events of interest; and selectively adjusting one or both of the cardiac signal sensing system and the event detection system to reduce false detections of events of interest. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A system for use with an implantable medical management device, the system comprising:
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a cardiac signal sensing system operative to sense a cardiac signal within a patient in which the device is implanted; an event detection system operative to detect cardiac events of interest within the patient; a memory operative to record portions of the cardiac signal, including portions representative of the possible events of interest; a false detection identification system operative to retrieve and analyze recorded portions of the cardiac signal during an off-line analysis to identify false detections of events of interest; and an adjustment system operative to selectively adjust one or both of the cardiac signal sensing system and the event detection system to reduce false detections of events of interest.
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29. A system for use with an implantable medical management device, the system comprising:
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means for sensing a cardiac signal within a patient in which the device is implanted using a cardiac signal sensing system; means for detecting cardiac events of interest within the patient using an event detection system; means for recording portions of the cardiac signal, including portions representative of the possible events of interest; means for subsequently retrieving portions of the recorded cardiac signal and analyzing the retrieved portions during an off-line analysis to identify false detections of events of interest; and means for selectively adjusting one or both of the cardiac signal sensing system and the event detection system to reduce false detections of events of interest.
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Specification