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7620447 |
Method for assessing the contraction synchronization of a heart
A method for assessing the contraction synchronization of a heart of a patient using a set of tridimensional images of the heart, the heart having a contraction cycle, the set of tridimensional...
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7603169 |
Stimulation electrode with porous coating
An electrode for medical applications is provided with a PtIr coating which is at least partly porous. The coating contains more than 20% iridium by weight and at least 100 ppm Pt. The coated areas...
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7599733 |
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...
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7580744 |
Classification of supraventricular and ventricular cardiac rhythms using cross channel timing algorithm
A system and method for classifying cardiac complexes sensed during a tachycardia episode. A first cardiac signal and a second cardiac signal are sensed, where the first cardiac signal has a...
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7546157 |
System and method for emulating a surface EKG using internal cardiac signals sensed by an implantable medical device
A surface electrocardiogram (EKG) is emulated using signals detected by the internal leads of an implanted device. In one example, the emulation is performed using a technique that concatenates...
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7542794 |
Method of extracting and evaluating paced heart beats using max-min transform analysis
Methods for identifying and extracting heart depolarization and repolarization in a paced heart. Certain methods also include identifying and analyzing particular features of at least one pacing...
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7539540 |
Troubleshooting methods for a medical system including implantable components
A troubleshooting method can identify potential sources of noise emanating from an implanted portion of a medical system. The method, which may be carried out by the system, for example, according...
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7529578 |
Multi channel approach to capture verification
Methods and systems involve classifying the cardiac response to pacing using a multi-channel approach. Multiple cardiac response signals are sensed via multiple sense channels. Each sense channel...
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7499751 |
Cardiac signal template generation using waveform clustering
Cardiac devices and methods using cardiac waveform clustering for template generation are described. A method of characterizing a cardiac response involves delivering pacing pulses to heart, the...
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7496403 |
Apparatus and method for testing an implantable medical device and sensing parameter settings
In an apparatus and a method for use in setting a sensing parameter of an implantable medical device (IMD) of a patient, cardiac data corresponding to a cardiac episode experienced by the patient...
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7486990 |
Electrocardiogram monitoring and cardiac therapy pulse delivery system and method
A cardiac therapy pulse delivery system includes a plurality of electrodes, an ECG signal processor circuit, and a pulse generator circuit. Each of the electrodes has at least one therapy element...
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7477935 |
Method and apparatus for beat alignment and comparison
Methods of using a template having a template data set and template parameters to provide improved alignment of captured cardiac signal data to a stored template. More particularly, in an...
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7447540 |
Systems and methods for detection of VT and VF from remote sensing electrodes
Methods and systems are provided for performing ventricular arrhythmia monitoring using at least two sensing channels that are each associated with different sensing vectors, for example by...
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7440795 |
Detecting sleep disorders using an active implantable medical device
An active medical device, in particular an implantable device such as a cardiac pacemaker, defibrillator, cardioverter, or multisite device, including a function for determining sleep disorders....
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7392090 |
Data logging system for implantable medical device
A data logging system and method in which an implantable medical device transmits logged data to an external data logging device with low energy potential signals. The implantable device generates...
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7392086 |
Implantable cardiac device and method for reduced phrenic nerve stimulation
Methods and devices for reducing phrenic nerve stimulation of cardiac pacing systems involve delivering a pacing pulse to a ventricle of a heart. A transthoracic impedance signal is sensed, and a...
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7337011 |
System and method for enhancing cardiac signal sensing by cardiac pacemakers through genetic treatment
The present invention provides delivery systems for and methods of delivering ion channel protein genetic material to cardiac cells in areas adjacent to where an electrode is to be positioned in a...
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7337000 |
Selection of cardiac signal features detected in multiple classification intervals for cardiac pacing response classification
Cardiac devices and methods involve the detection of cardiac signals features in adjacent classification intervals. Portions of the cardiac signal features detected in adjacent classification...
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7336999 |
Means to check the validity of heart failure surrogate parameters from evoked response using 3-D accelerometer queue
In one implementation, a method is provided for detecting heart failure which includes retrieving a three-dimensional posture template corresponding to a normal evoked response. The method further...
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7324844 |
Implantable cardiac stimulation system and method for measuring atrioventricular conduction and adjusting atrioventricular hysteresis
An implantable cardiac stimulation device and method measure atrioventricular conduction times and automatically adjust an atrioventricular delay time based on the measured conduction time values.
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7313433 |
Method and apparatus for predicting acute response to cardiac resynchronization therapy
A method and apparatus for predicting acute response to cardiac resynchronization therapy is disclosed. The method can comprise measuring a first interval during an intrinsic systolic cycle and...
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7295874 |
Intermittent stress augmentation pacing for cardioprotective effect
A device and method for delivering electrical stimulation to the heart in a manner which provides a protective effect against subsequent ischemia is disclosed. The protective effect is produced by...
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7289848 |
Implantable cardiac stimulation device, system and method which provides an electrogram signal having the appearance of a surface electrocardiogram
An implantable cardiac stimulation system and method provides an external display of a heart activity signal sensed internally by an implantable cardiac stimulation device which has the appearance...
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7272434 |
Automatic 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...
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7272433 |
Transcutaneous monitor and method of use, using therapeutic output from an implanted medical device
An external physiologic or implanted device monitor/controller (“monitor”) designed to be attached to the body, as for example, to the skin of the patient. The monitor is designed to detect the...
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7245970 |
Capture verification for cardiac resynchronization pacing optimization
A system and method for automatically selecting among a plurality of pacing modes based upon capture detection. Patients suffering from heart failure may be optimally treated with different...
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7245966 |
Ventricular event filtering for an implantable medical device
Pacing parameters are provided to address cross talk and intrinsic ventricular events occurring within a predefined blanking period following an atrial event. The parameters are used in conjunction...
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7236825 |
Cardiac activity sensing during pacing in implantable devices
A method and device for sensing cardiac activity that includes a first plurality of electrodes forming a first electrode configuration to sense cardiac activity, a second plurality of electrodes...
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7233821 |
Method and apparatus for evaluating ventricular performance during isovolumic contraction
A method of evaluating ventricular performance of a heart employing sensors to measure a ventricular dimension signal and deriving indices of ventricular performance therefrom. Premature Shortening...
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7228173 |
Cardiac tachyarrhythmia therapy selection based on patient response information
Cardiac treatment methods and devices providing templates representative of past tachyarrythmia events, each template associated with a therapy. A cardiac waveform is detected, and if it...
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7190993 |
Implantable medical device having optical fiber for sensing electrical activity
An implantable medical device for optically sensing action potential signals in excitable body tissue. The device includes an elongated tubular lead body carrying an optical fiber extending from a...
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7158829 |
Method and apparatus for improving specificity of atrial tachycardia detection techniques in dual-unipolar or dual-bipolar implantable cardiac stimulation systems
Techniques are provided for allowing Automatic Mode Switching (AMS) to be exploited within dual unipolar systems employing Combipolar sensing. Relative refractory windows are opened within both the...
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7142911 |
Method and apparatus for monitoring drug effects on cardiac electrical signals using an implantable cardiac stimulation device
An implantable cardiac stimulation device, such as a pacemaker or Implantable Cardioverter Defibrillator, is configured to automatically monitor the effects of antiarrhythmic drugs on cardiac...
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7123965 |
Method and apparatus for injection of external data within an implantable medical device
A method and an apparatus for performing implementing external data into an implantable medical device. A first stress test is performed using an external sensor. External data resulting from the...
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7117037 |
Event marker alignment by inclusion of event marker transmission latency in the real-time data stream
A cardiac rhythm management system transmits event markers from an implantable device to a remote user interface such as an external programmer. The event markers include timestamp information. A...
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7113826 |
Atrial arrhythmia detection for an active implantable medical device
Apparatus for detecting atrial arrhythmias in the treatment of disorders of the heartbeat rate in active implantable medical devices of the pacemaker, cardioverter, defribillator and/or multisite...
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7103403 |
Implantable cardiac stimulation system and method for monitoring diastolic function
A cardiac stimulation device and method perform a diastolic function test during which an amplitude-based feature of an evoked response is determined for a number of AV or PV delay settings....
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7079887 |
Method and apparatus for gauging cardiac status using post premature heart rate turbulence
A hemodynamic status of a patient is determined in an implanted medical device (IMD) by observing a perturbation of the patient's heart, measuring heart rate turbulence resulting from the...
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7047066 |
Method and system for display of cardiac event intervals in a resynchronization pacemaker
A cardiac rhythm management system that includes a pacemaker configured for biventricular pacing and an external programmer with an associated display for displaying electrogram data and markers...
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7047065 |
System and method for correlation of patient health information and implant device data
A system and method for correlating health related data for display. The system includes a medical device recording data and a display producing device which correlates the data and simultaneously...
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7039457 |
Rhythm identification in compression corrupted ECG signal
A method is provided for controlling an automatic external defibrillator without stopping CPR (primarily chest compressions). While chest compressions continue to be applied to the victim, the...
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7034694 |
Body motion detector
The invention provides a body motion detector that allows a user to check whether he/she makes motion with appropriate motion intensity for every motion thereby to obtain an excellent exercise...
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7016732 |
Cardiac rhythm management system with remotely activated capture verification for CHF and other patients
A cardiac rhythm management device capable of delivering multiple uni-chamber stimulation pulses to a patient's heart and suitable for verifying capture independently for each uni-chamber...
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7003349 |
Programming system for medical devices
A programmer for an implantable medical device includes a display which displays a graphical representation of an area of interaction of the medical device within a patient. The graphical...
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6993379 |
System and method for emulating a surface EKG using an implantable cardiac stimulation device
A surface electrocardiogram (EKG) is emulated using signals detected by the internal leads of an implanted device. The emulation is performed using a matrix-based technique that separately emulates...
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6990371 |
Method and apparatus for providing on-screen incident review in an AED
A novel apparatus and method for recording and replaying patient treatment and response data that occurs during the course of an emergency response on a defibrillator. The data and events of an...
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6975904 |
Modification of evoked response detection algorithm based on orientation and activity of patient
Optimization of evoked response detection in an automatic capture detection system employed by an implantable cardiac stimulation device is presented. Patient state information is used to determine...
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6959213 |
Implantable device with digital waveform telemetry
A technique for acquiring and accessing information from a medical implantable device is provided. Analog waveforms of interest are sensed and processed by signal acquisition circuitry. Analog...
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6950702 |
Use of curvature based features for beat detection
A cardiac rhythm management system includes a sensing circuit to sense a cardiac signal and a sensing processor to detect cardiac depolarizations (beats) by utilizing certain morphological context...
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6904311 |
Method of determining and documenting cessation of life using evoked response
The date and time of death of a patient may be recorded in a memory of a microprocessor used in an implantable cardiac rhythm management device by detecting the failure of the heart to produce an...
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