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| Application No. | Application Title | Issue Date |
| 20120053475 | IMPLANTABLE SYSTEMS AND METHODS FOR MONITORING MYOCARDIAL ELECTRICAL STABILITY BY DETECTING PVC INDUCED T-WAVE ALTERNANS REVERSALS Embodiments of the present invention relate to implantable systems, and methods for use therewith, for assessing a patients' myocardial electrical stability. Implanted electrodes are used to obtain an electrogram (EGM) signal, which is used to identify periods when the ... | 03/01/2012 |
| 20120022386 | Device and Method To Discriminate Between Supraventricular Tachycardias And Ventricular Arrhythmias This invention provides a method to discriminate between ventricular arrhythmia and supraventricular tachycardia by detecting an earliest arriving electrical signal following antitachycardia pacing. Also disclosed is an implantable cardiac defibrillator that is capable ... | 01/26/2012 |
| 20120022339 | PULSE DETECTION APPARATUS, SOFTWARE, AND METHODS USING PATIENT PHYSIOLOGICAL SIGNALS The presence of a cardiac pulse in a patient is determined by evaluating physiological signals in the patient. In one embodiment, a medical device evaluates two or more different physiological signals, such as phonocardiogram (PCG) signals, electrocardiogram (ECG) signa... | 01/26/2012 |
| 20120016250 | SYSTEM AND METHOD FOR DISPLAYING A HISTOGRAM OF CARDIAC EVENTS Systems, devices and methods are provided for displaying statistical distributions of cardiac events. A device embodiment comprises circuitry adapted to communicate with a medical device that is adapted to acquire data regarding cardiac events occurring at two or more c... | 01/19/2012 |
| 20120004564 | DEVICES AND METHOD FOR ACCELEROMETER-BASED CHARACTERIZATION OF CARDIAC SYNCHRONY AND DYSSYNCHRONY Systems and methods according to the invention employ an acceleration sensor to characterize the synchrony or dyssynchrony of the left ventricle. Patterns of acceleration related to myocardial contraction can be used to assess synchrony or dyssynchrony. Time-frequency t... | 01/05/2012 |
| 20110295136 | FAR-FIELD SENSING CHANNEL FOR IMPLANTABLE CARDIAC DEVICE An implantable pacemaker is provided with a far-field sensing channel which requires a reduced refractory period during the time when pacing pulses are delivered as compared with sensing channels using intra-cardiac electrodes. The far-field sensing channel may use the ... | 12/01/2011 |
| 20110282225 | TECHNIQUES FOR REVIEWING AND ANALYZING IMPLANTABLE MEDICAL DEVICE SYSTEM DATA A computing device includes a memory device, a communication module, an interface, a processor, a display controller, and an input device. The communication module wirelessly receives a stream of first electrogram waveforms (EGMs) from an implantable medical device (IMD... | 11/17/2011 |
| 20110282226 | CARDIAC ANALYSIS SYSTEM FOR COMPARING CLINICAL AND INDUCED VENTRICULAR TACHYCARDIA EVENTS A cardiac analysis system is provided that includes an implantable medical device (IMD), at least one sensor, and an external device. The IMD has electrodes positioned proximate to a heart that sense first cardiac signals of the heart and associated with a clinical vent... | 11/17/2011 |
| 20110282405 | SYSTEMS AND METHODS FOR USE WITH AN IMPLANTABLE MEDICAL DEVICE FOR DISCRIMINATING VT AND SVT BE SELECTIVELY ADJUSTING ATRIAL CHANNEL SENSING PARAMETERS Techniques are described for discriminating ventricular tachycardia (VT) from supraventricular tachycardia (SVT) in circumstances when the ventricular rate exceeds the atrial rate (i.e. V>A). In one example, an initial atrial rate is detected while employing adjustab... | 11/17/2011 |
| 20110230929 | IMPLANTABLE MYOCARDIAL ISCHEMIA DETECTION, INDICATION AND ACTION TECHNOLOGY One embodiment enables detection of MI/I and emerging infarction in an implantable system. A plurality of devices may be used to gather and interpret data from within the heart, from the heart surface, and/or from the thoracic cavity. The apparatus may further alert the... | 09/22/2011 |
| 20110201952 | METHOD AND APPARATUS FOR SENSING IMPROVEMENT USING PRESSURE DATA A method and apparatus for sensing improvement using pressure data. The method and apparatus may be used in an implantable medical device to confirm that an EGM event signifies a true mechanical cardiac activity and not just electrical oversensing. The mechanical activi... | 08/18/2011 |
| 20110184299 | SYSTEM AND METHOD OF USING AV CONDUCTION TIMING In an implantable medical device that provides atrial and ventricular pacing in an atrial-based pacing mode, longer periods of time are permitted for intrinsic AV conduction to occur. By monitoring the patient's AV delay under these circumstances, useful information is ... | 07/28/2011 |
| 20110144511 | Cardiac Activation Sequence Monitoring and Tracking Cardiac monitoring and/or stimulation methods and systems provide monitoring, diagnosis, and defibrillation and/or pacing therapies. A signal processor receives a plurality of composite signals associated with a plurality of sources, performs a source separation, and pr... | 06/16/2011 |
| 20110130801 | Pacing Output Configuration Selection for Cardiac Resynchronization Therapy Patients Cardiac therapy systems include multiple electrodes respectively positionable at multiple left ventricular electrode sites. A pulse generator is coupled to the electrodes and configured to deliver a cardiac resynchronization therapy (CRT). A processor is configured to m... | 06/02/2011 |
| 20110105926 | HEART RATE VARIABILITY DISTINCTION Systems, methods and devices for monitoring, analyzing, and processing a patient's heart rate signal for HRV characteristics are described herein. A first heart rate signal is acquired. The first heart rate signal includes at least one indication of an interval duration... | 05/05/2011 |
| 20110106198 | CARDIAC-EVENT PROCESSOR AND HEART TREATMENT DEVICE Provided is a cardiac-event processor (1) including a storing unit (11) that stores a time history of cardiac events, including heartbeats, in association with the presence/absence of nerve stimulation; a heart rate calculator (12) that calculates a... | 05/05/2011 |
| 20110082379 | ANALYZING ECG DATA IN DECIDING ON PATIENT CHEST COMPRESSION TREATMENT Medical devices, software and methods are provided, for making a decision as to whether to pause patient chest compression treatment in connection with administering electric shock therapy to the patient. The decision is made depending whether signal spikes identified i... | 04/07/2011 |
| 20110077540 | METHOD AND APPARATUS FOR DETECTING FIBRILLATION USING CARDIAC LOCAL IMPEDANCE A cardiac rhythm management (CRM) system detects tachyarrhythmia using cardiac local impedance indicative of cardiac local wall motion. A cardiac local impedance signal indicative of an impedance of a cardiac region is sensed by using a pair of bipolar electrodes placed... | 03/31/2011 |
| 20110004111 | ISCHEMIA DETECTION USING INTRA-CARDIAC SIGNALS An implanted cardiac rhythm management device is disclosed that is operative to detect myocardial ischemia. This is done by evaluating electrogram features to detect an electrocardiographic change; specifically, changes in electrogram segment during the early part of an... | 01/06/2011 |
| 20100317982 | Module And Device For Discerning Therapeutic Signals from Noise in Physiological Data A data acquisition module for use in monitoring a plurality of physiological signals is disclosed herein. The data acquisition module may include a first signal processing path for biopotential data, a second signal processing path for therapeutic event data, and a proc... | 12/16/2010 |
| 20100292596 | System, Method and Computer-Readable Storage Medium For Heart Signal Detection A system, method and computer-readable storage medium are configured for the detection of electrical signals originating from a human or animal heart. In particular, for monitoring devices, it is desired to obtain electrical signals from a human or animal heart with ele... | 11/18/2010 |
| 20100191132 | Event Discrimination Using Unipolar and Bipolar Signal Differences A medical device and associated method discriminate near-field and far-field events by sensing a bipolar signal and a unipolar signal at a tissue site, detecting an event in response to one of the bipolar and unipolar signals, and comparing an event feature determined f... | 07/29/2010 |
| 20100121209 | Arrhythmia Discrimination Based on Determination of Rate Dependency Cardiac systems and methods provide for discriminating between supraventricular tachyarrhythmia and ventricular tachyarrhythmia based on a determination that the patient's supraventricular rhythm exhibits rate dependency. One approach involves determining if a patient's... | 05/13/2010 |
| 20100036271 | FREQUENCY DOMAIN MONITORING OF MYOCARDIAL ELECTRICAL STABILITY Embodiments of the present invention relate to implantable systems, and methods for use therewith, for monitoring myocardial electrical stability. A patient's heart is paced for a period of time using a patterned pacing sequence that repeats every N beats, and an electr... | 02/11/2010 |
| 20100023080 | IMPLANTABLE MYOCARDIAL ISCHEMIA DETECTION, INDICATION AND ACTION TECHNOLOGY One embodiment enables detection of MI/I and emerging infarction in an implantable system. A plurality of devices may be used to gather and interpret data from within the heart, from the heart surface, and/or from the thoracic cavity. The apparatus may further alert the... | 01/28/2010 |
| 20090281440 | INDUCING PREMATURE ATRIAL CONTRACTIONS FOR THE PURPOSE OF MONITORING AUTONOMIC TONE RISK OF SUDDEN CARDIAC DEATH AND ISCHEMIC EVENTS Implantable systems, and methods for use therein, perform at least one of a cardiac assessment and an autonomic assessment. Premature atrial contractions (PACs) are induced to thereby cause corresponding premature contractions in the ventricles. Short-term fluctuations ... | 11/12/2009 |
| 20090240157 | DEVICE, METHOD AND COMPUTER-READABLE STORAGE MEDIUM FOR ENHANCED SENSE EVENT CLASSIFICATION IN IMPLANTABLE DEVICES BY MEANS OF MORPHOLOGY ANALYSIS An implantable cardiac device, e.g., a pacemaker, defibrillator, cardioverter or biventricular pacing device, that can sense cardiac electrical signals and accurately classify the sensed events. The device provides a template signal and a test signal originated from an ... | 09/24/2009 |
| 20090112108 | Q-onset ventricular depolarization detection in the presence of a pacemaker A method utilizing computer processing for detecting, within a cardiac cycle, the earliest onset of global, Q-onset, ventricular depolarization in the presence of an operating pacemaker. The method, in general terms, features (a) gathering a plurality of ECG-obtained QR... | 04/30/2009 |
| 20080234770 | Cardiac rhythm template generation system and method A method and system provides for generating a snapshot representative of one beat of a patient's normal cardiac rhythm. Cardiac rate channel signals and shock channel signals are sensed. A fiducial point is determined for a predefined number of the cardiac rate channel ... | 09/25/2008 |
| 20080228093 | Systems and methods for enhancing cardiac signal features used in morphology discrimination Methods and devices used to classify cardiac events based on morphological analysis of sensed signals are described. A signal comprising a cardiac signal component and a noise signal component is sensed. The sensed signal is processed to preferentially alter morphology ... | 09/18/2008 |
| 20070299355 | AUTOMATED POST-PACING INTERVAL MEASUREMENT A method for processing a biopotential signal includes detecting a pacing signal, and applying a dynamic filter on a pacing channel based on the detected pacing signal. A method for processing a biopotential signal includes detecting a pacing signal, and automatically o... | 12/27/2007 |
| 20070260152 | METHOD AND APPARATUS FOR DISCRIMINATING CARDIAC SIGNALS IN A MEDICAL DEVICE BASED ON WAVELET DECOMPOSITION ANALYSIS A method and device for detecting cardiac signals in a medical device that includes decomposing sensed cardiac signals using a wavelet function to form a corresponding wavelet transform, generating a first wavelet representation corresponding to the wavelet transform th... | 11/08/2007 |
| 20070260153 | METHOD AND APPARATUS FOR DISCRIMINATING CARDIAC SIGNALS IN A MEDICAL DEVICE BASED ON WAVELET DECOMPOSITION ANALYSIS A method and device for detecting cardiac signals in a medical device that includes decomposing sensed cardiac signals using a wavelet function to form a corresponding wavelet transform, generating a first wavelet representation corresponding to the wavelet transform th... | 11/08/2007 |
| 20070208264 | System And A Method For Analysing Ecg Curvature for Long Qt Syndrome And Drug Influence The present invention relates to a system or a method for analysing drug influence on ECG curvature and Long QT Syndrome where at least one among a number of different parameters is isolated, which system has a input means connected to an ECG source, where the different... | 09/06/2007 |
| 20070203419 | Tachyarrhythmia detection and discrimination based on curvature parameters Estimating a frequency of a sampled cardiac rhythm signal and classifying the rhythm. The received signal is sampled and transformed into a curvature series. A lobe in the curvature series corresponds to a characteristic point in the sampled series. Characteristic point... | 08/30/2007 |
| 20070191722 | SYSTEM AND METHOD FOR HEART MONITORING The present invention provides systems and methods for monitoring a heart. According to one embodiment, the system includes an implantable registering unit for registering an electrical signal from the heart. The system includes a local data unit in operable communicati... | 08/16/2007 |
| 20070123789 | METHOD AND APPARATUS FOR POST-PROCESSING OF EPISODES DETECTED BY A MEDICAL DEVICE A method and system for determining undersensing during post-processing of sensing data generated by a medical device that includes transmitting a plurality of stored sensing data generated by the medical device to an access device, the stored sensing data including sen... | 05/31/2007 |
| 20070123788 | METHOD AND APPARATUS FOR POST-PROCESSING OF EPISODES DETECTED BY A MEDICAL DEVICE A method and system for post-processing of sensing data associated with identification of a cardiac event by a medical device that includes transmitting a plurality of stored sensing data generated by the medical device to an access device, the stored sensing data inclu... | 05/31/2007 |
| 20070021680 | Methods to reduce power to measure pressure Methods and systems for reducing power in pressure monitoring devices are provided. The method includes monitoring a physiological function, detecting a need for an adjustment in therapy, and qualifying the need for an adjustment in therapy. Qualifying the need for an a... | 01/25/2007 |
| 20070021678 | Methods and apparatus for monitoring physiological responses to steady state activity This document discusses, among other things, methods of monitoring physiological responses to steady state activity. In an example, a physical activity signal is detected from a human or animal subject using an implantable medical device. A different, other physiologica... | 01/25/2007 |
