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7610091 |
Apparatus and method for detecting lead adequacy and quality
A system and method for detecting lead adequacy and quality is disclosed. The system includes leads attached to a package having known electrical or optical characteristics. The package is adapted...
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7610090 |
Implantable medical device with automatic sensing adjustment
An implantable medical device system that senses physiologic processes via multiple sensor signal configurations. The device can further process the sensor configurations to obtain additional...
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7606619 |
Connection verification apparatus, systems, and methods
An apparatus, system, and method may operate to provide a connection signal using a first contact, measure a waveshape associated with a corresponding connection signal arising from the connection...
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7606618 |
Implantable medical device with notification system
An implantable medical device with a notification system. The device monitors itself and an implantee for one or more condition indicating notification and delivers the notification at a time the...
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7590447 |
Pacing system analyzer having three sensing and pacing channels
A pacing system analyzer (PSA) having three or more individually controllable sensing and pacing channels provides for testing and measurement during an operation for implanting a pacemaker having...
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7587240 |
Atrial capture verification
Methods and systems for classifying cardiac responses to pacing stimulation and/or preventing retrograde cardiac conduction are described. Following delivery of a pacing pulse to an atrium of the...
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7583998 |
Multi-chamber cardiac capture detection using cross chamber sensing
Methods and systems involve multi-chamber cardiac capture detection utilizing sensing during a cross-chamber refractory period. First and second pacing pulses are delivered to first and second...
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7580749 |
Method for monitoring end of life for battery
A system is described. The system includes a lithium battery, a charge storage capacitor electrically connected to the lithium battery, a first device, and at least one second device. The first...
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7580748 |
Heart stimulator
A heart stimulator provides a reliable automatic capture threshold search feature. A stimulation pulse generator is connected to at least a ventricular stimulation electrode for delivering electric...
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7574260 |
Adaptive windowing for cardiac waveform discrimination
Cardiac devices and methods provide adaptation of detection windows used to determine a cardiac response to pacing. Adapting a detection window involves sensing a cardiac signal indicative of a...
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7569019 |
Analysis and use of cardiographic bioimpedance measurements
A technique for analyzing cardiographic measurements includes receiving bioimpedance information of a subject and determining a rate of change of blood flow based on the bioimpedance information....
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7567840 |
Lead condition assessment for an implantable medical device
A method, system, and apparatus for performing a lead condition assessment and/or a lead orientation determination associated with an implantable medical device (IMD). A first impedance is...
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7558628 |
Morphology-based optimization of cardiac resynchronization therapy
A method and apparatus for delivering cardiac resynchronization therapy (CRT) in which an evoked response electrogram is recorded during one or more cardiac cycles and used to aid in the selection...
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7558627 |
System and method for rapid optimization of control parameters of an implantable cardiac stimulation device
Techniques are provided for rapidly optimizing control parameters of pacemakers or implantable cardioverter defibrillators. Briefly, the heart is paced using different sets of control parameters...
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7551962 |
Implantable medical device with voice responding and recording capacity
An implantable medical device such as a cardiac pacemaker or implantable cardioverter/defibrillator with the capability of receiving communications in the form of speech spoken by the patient. An...
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7551960 |
External presentation of electrical stimulation parameters
An external indicator device presents parameters associated with stimulation therapy generated by a pulse generator, which may be associated with an external or implantable stimulation device. In...
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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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7532930 |
Cardiac pacemaker
Certain embodiments of the present invention disclose an electrostimulator, in particular an atrial cardiac pacemaker, comprising electrode connections which are connected to a stimulation unit for...
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7526335 |
Communications system for an implantable device and a drug dispenser
A system for monitoring drug dispensation and drug effects on physiological signals or implantable medical device (IMD) performance is provided. The system includes a drug dispenser adapted for...
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7515961 |
Method and apparatus for dynamically monitoring, detecting and diagnosing lead conditions
The present invention provides diverse methods and apparatus for in vivo monitoring, detecting and/or predicting potential failure modes or deleterious trends of chronically implanted medical...
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7509169 |
Implantable pressure transducer system optimized for anchoring and positioning
This invention relates generally to systems and methods for optimizing the performance and minimizing complications related to implanted sensors, such as pressure sensors, for the purposes of...
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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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7499750 |
Noise canceling cardiac electrodes
Implementing a subcutaneous medical electrode system involves positioning a number of electrode subsystems in relation to a heart so that noise cancellation provides an improved signal to noise...
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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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7493159 |
Trial neuro stimulator with lead diagnostics
A medical device known as a trial neuro stimulator with a diagnostics module to determine whether the therapy lead is operational for delivering stimulation therapy to improve operation in areas...
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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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7483744 |
System and method for recovering from transient faults in an implantable medical device
A system and method is disclosed for system fault recovery by an implantable medical device which employs a global fault response. The system enables the device to consistently recover from...
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7463931 |
Electrical stimulation of tissue for therapeutic and diagnostic purposes
Electrobiological stimulation is carried out transcranially by applying high frequency squarewave bursts exhibiting no d.c. term across the cranial region. Such stimulation is commenced employing...
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7463926 |
Automatic signal amplitude measurement system in the setting of abnormal rhythms
A system for automatically evaluating the sensing and detection of physiological processes by an implantable medical device, such as an implantable cardiac stimulation device. The system includes...
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7457666 |
Retrograde atrial sensing for identifying sub-threshold atrial pacing
Methods and systems for delivering a pacing pulse to an atrium during a cardiac cycle. A retrograde P-wave may be identified during the cardiac cycle, indicative of sub-threshold atrial pacing....
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7454249 |
Early warning for lead insulation failure
An exemplary implantable device includes a microcontroller programmed to control delivery of cardiac therapy, a connector capable of making an electrical connection to an insulated conductor...
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7451002 |
Automated generation of transfer functions based upon machine data
A system and method for servicing a medical device, which provides for generation of a transfer function that correlates historical machine data with the health of the medical device. The transfer...
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7424324 |
Identifying heart failure patients suitable for resynchronization therapy using QRS complex width from an intracardiac electrogram
Methods and systems are disclosed for determining whether a patient is a responder to cardiac resynchronization therapy. The beginning and ending of the intrinsic ventricular depolarization are...
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7400924 |
System and method for capture management
An implantable medical device (IMD) includes both evoked response and algorithmic based threshold testing methodologies. The leads used with the IMD are evaluated to determine whether they are high...
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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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7392085 |
Multiple electrode vectors for implantable cardiac treatment devices
The implantable cardiac treatment system of the present invention is capable of choosing the most appropriate electrode vector to sense within a particular patient. In certain embodiments, the...
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7389138 |
Electrode placement determination for subcutaneous cardiac monitoring and therapy
Methods and devices of cardiac electrode placement involve locating electrodes on a thorax of a patient. Surface pacing levels are determined relative to a pacing limit. Surface electrode locations...
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7386345 |
Apparatus and method for temporary treatment of acute heart failure decompensation
A system for providing temporary therapy, such as cardiac resynchronization therapy, to a patient suffering a decompensation event. The system can include a device having an external module for...
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7383087 |
System and method for recovery from memory errors in a medical device
A system comprising an implantable medical device that comprises at least one electrical input to receive sensed electrical activity of a heart of a patient, a memory, and a controller circuit. The...
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7376464 |
Method and system for automatic anti-tachycardia pacing
A method and system for delivering anti-tachycardia pacing is disclosed. A cardiac rhythm management device, such as an implantable pacemaker having anti-tachycardia pacing capability, delivers...
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7373203 |
Cardiac rhythm management system with prevention of double counting of events
A cardiac rhythm management system recognizes patterns of interval durations, distinguishing between events in different heart chambers even though signals associated with those different heart...
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7373200 |
System and method for providing tachyarrhythmia therapy by implantable device in presence of system faults
A system and method is disclosed by which an implantable cardiac device may deliver tachyarrhythmia therapy in the event of a system fault. A hardware-based safety core provides the logic circuitry...
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7366570 |
Method and a system for using implanted medical device data for accessing therapies
A method and system facilitates the access by a patient of implanted medical device related data for patient participation in their own clinical care and therapy. In an example embodiment, the...
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7363080 |
System and method for providing bradycardia therapy by implantable device in presence of system faults
A system and method is disclosed by which an implantable cardiac device may deliver bradycardia therapy in the event of a system fault. A hardware-based safety core provides the logic circuitry for...
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7363079 |
Power qualifier for electrical stimulation configurations
At least one system and at least one method permit a clinician to view or hear power consumption data during a Spinal Cord Stimulation (SCS) system fitting procedure. For example, a clinician's...
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7363078 |
Intracardiac polarization signal stabilization
Polarization signals, which represent voltages measured at a pacemaker electrode, are not constant and may drift. Polarization signal drift, which often precedes undesirable pace polarization...
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7359752 |
Configurable test load for an implantable medical device
A test assembly for an implantable medical device, which includes a patient simulator capable of providing signals to the implantable medical device that are representative of the patient's organ...
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7359751 |
Clinician programmer for use with trial stimulator
Disclosed are systems and methods which provide an external clinician interface, such as through the use of a laptop computer or a personal digital assistant (PDA). The foregoing clinician...
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7349737 |
Adjustment of the atrial sensitivity and of the atrial stimulation energy in an active implantable medical device such as double chamber cardiac pacemaker
An active implantable medical device, such as a double chamber pacemaker or defibrillator or cardiovertor, having an improved adjustment of atrial sensitivity and of atrial stimulation energy. This...
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