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7620453 |
Implantable medical device with improved EMI filter
An electromagnetic interference (EMI) filter is provided to attenuate potentially damaging high frequency electromagnetic interference from interfering with the operation of a hermetically sealed...
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7615010 |
System for monitoring the physiologic parameters of patients with congestive heart failure
A telemetric sensing system for monitoring physiological parameters for diagnosis and treatment of congestive heart failure in a patient. This system includes one or more implantable sensing...
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7603173 |
Electrode package attached to exterior of defibrillator
A combination of a defibrillator and an electrode package, the combination comprising a defibrillator comprising electrical output wires for delivering a defibrillation pulse to defibrillation...
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7596409 |
Cardiac shock electrode system and corresponding implantable defibrillator system
An implantable cardioverter defibrillator (ICD) system includes an internal electrode placed in the right ventricle of the heart, and a quasi-Faraday cage (which includes a single or multiple...
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7593772 |
Methods and devices to characterize the probability of successful defibrillation and determine treatments for ventricular fibrillation
A computationally efficient method of determining the duration of ventricular fibrillation and the probability of successful defibrillation by analyzing an electrocardiogram using the logarithm of...
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7593771 |
Post-shock management of implantable cardiac device features
Systems and methods of managing features or functions of an implantable cardiac device involve forming a baseline evoked response template prior to delivery of defibrillation therapy to a patient's...
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7580741 |
Method and device for determination of arrhythmia rate zone thresholds using a probability function
A probability function for heart rate is determined using collected and measured heart rate values. One or more heart rate probability values are selected. Thresholds for arrhythmia rate zones are...
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7574258 |
Cardiac therapy triggered by capture verification
The present invention provides methods and systems for tachyarrhythmia therapy involving pacing the heart to prior to the application of a cardioversion/defibrillation shock. One or more pace...
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7571336 |
Method and system for enhancing safety with medical peripheral device by monitoring if host computer is AC powered
A method and system for enhancing computer peripheral safety is provided. In accordance with various aspects of the present invention, the exemplary method and system are configured to monitor...
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7570995 |
Method for reforming a capacitor in an implantable medical device
The present invention provides a method for reforming a capacitor of an implantable medical device, such as an implantable cardioverter defibrillator, wherein the capacitor has a nominal voltage....
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7570994 |
Apparatus and method for maintaining a defibrillator battery charge and optionally communicating
Defibrillator assemblies and methods to wirelessly transfer energy from an external source to a battery or other rechargeable power source within the defibrillator assembly. The transfer of energy...
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7570993 |
Enhanced CPR protector system
Apparatus is provided for treatment of a victim to reverse cardiac arrest by chest compression and by electrical defibrillation through electrodes applied to the chest area of the victim. The...
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7567837 |
Enhanced rhythm identification in compression corrupted ECG
A method is provided for analyzing the condition of a patient to determine whether or not a defibrillation shock should be applied, without stopping CPR (primarily chest compressions). While chest...
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7567180 |
Facilitating medical emergency assistance
In another embodiment of the present invention, an medical emergency assistance apparatus comprises a visual display, an audible output device, a telephonic input device, medical emergency...
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7565194 |
ECG rhythm advisory method
A method of automatically determining which type of treatment is most appropriate for a cardiac arrest victim, the method comprising transforming one or more time domain electrocardiogram (ECG)...
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7564677 |
Method and apparatus for a spacer for an electrode layer gap in a power source
The present subject matter includes a capacitor that includes at least a first element having at least a first element thickness, and including a first separator disposed between a first electrode...
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7561913 |
Automatic adjusting R-wave synchronization algorithm for atrial cardioversion and defibrillation
An implantable medical device system and method are provided for synchronizing atrial cardioversion shocks to the ventricular rhythm using an adjustable atrial cardioversion/defibrillation...
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7555339 |
Capacitor designs for medical devices
A capacitor for use in implantable medical devices (IMDs) such as implantable defibrillators, implantable cardioverter-defibrillators, implantable pacemaker-cardioverter-defibrillators, and the...
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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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7548781 |
Environmentally responsive active status indicator system and method
Battery powered systems with long standby times, such as automatic external defibrillators, may be required to indicate their operational status to a user by blinking lights or sounding speakers or...
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7536222 |
Nonvascular implantable defibrillator and method
A power supply for an implantable cardioverter-defibrillator for subcutaneous positioning between the third rib and the twelfth rib and using a lead system that does not directly contact a...
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7535693 |
EMI filters designed for direct body fluid exposure
An EMI filter capacitor assembly utilizes biocompatible and non-migratable materials to adapt electronic components for direct body fluid exposure. The assembly includes a capacitor having first...
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7532928 |
Atrial defibrillator
An atrial defibrillator has a stimulation pulse generator to generate pacing pulses, a sensing stage for sensing intrinsic ventricular events, (an R-wave having an amplitude). It also includes a...
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7526345 |
Assessing medical electrode condition
The invention presents an apparatus and techniques for determining whether a medical electrode, such as a defibrillation electrode coupled to an automated external defibrillator, is in a condition...
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7522958 |
Methods and systems for reducing discomfort from cardiac defibrillation shocks
Methods, systems and computer program products for combining atrial defibrillation treatment techniques include techniques for reducing the discomfort associated with defibrillation and/or reducing...
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7519424 |
Intravascular medical device
An implantable medical device is configured so that all of the major components including a housing and attached leads are disposed within the vasculature of a patient. A tether extends from the...
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7519421 |
Vagal nerve stimulation using vascular implanted devices for treatment of atrial fibrillation
An abnormally rapid ventricular cardiac rate that results from atrial fibrillation can be reduced by stimulating a vagal nerve of the heart. An apparatus for such stimulation includes a power...
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7515960 |
Method and apparatus to terminate ventricular tachycardia via pacing
An implantable device for terminating ventricular tachycardia is disclosed. The device includes a processor configured to determine a first antitachycardia pulse routine of N pulses. In the routine...
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7512438 |
Implantable system for monitoring the condition of the heart
A “tracker system” that includes electrical leads which are part of an implanted cardiotracker plus external equipment that includes external alarm and a physician's programmer. The tracker...
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7511938 |
Filtering assembly and a feedthrough assembly
Filtering assembly for a feedthrough, for implantable medical devices, having operating conductive pin(s) and a ground conductive pin. The filtering assembly has:
first insulating substrate,...
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7510526 |
Medical device information system
In general, the invention is directed to management of information from a plurality of emergency medical devices, such as automated external defibrillators, and associated docking stations. The...
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7502645 |
Current waveforms for anti-bradycardia pacing for a subcutaneous implantable cardioverter-defibrillator
A power supply for an implantable cardioverter-defibrillator for subcutaneous positioning between the third rib and the twelfth rib and using a lead system that does not directly contact a...
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7502217 |
Filtering capacitor feedthrough assembly
A filtering capacitor feedthrough assembly for an implantable active medical device is disclosed. The filtering capacitor feedthrough assembly includes a capacitor having an aperture, the capacitor...
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7499747 |
External baroreflex activation
Methods and systems for external baroreflex activation allow a physician to characterize a patient's response to baroreflex activation prior to providing baroreflex activation therapy. Methods...
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7493162 |
Pulmonary vein stent for treating atrial fibrillation
An apparatus and method for treating atrial fibrillation is described that uses a vascular stent deployed within the pulmonary veins of the left atrium. The stent may be used alone or in...
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7489495 |
Apparatus and process for reducing the susceptibility of active implantable medical devices to medical procedures such as magnetic resonance imaging
A feedthrough terminal assembly for an active implantable medical device (AIMD) includes magnetic shielding elements to block incident magnetic fields during medical procedures such as Magnetic...
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7485240 |
Electrolyte for high voltage electrolytic capacitors
An electrolyte including γ-butyrolactone, a cosolvent and an alcohol is disclosed, which may be used in an electrolytic capacitor with very high operating voltage. Optional additional additives...
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7480531 |
System and method for reducing pain associated with cardioversion shocks generated by implantable cardiac stimulation devices
Techniques are provided for generating plateau-shaped cardioversion shocks having reduced lead edge voltages. The reduced leading edge voltages are provided primarily to reduce the likelihood that...
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7477943 |
Medical device and method of manufacturing
Methods and apparatus are provided for manufacturing a medical device. An implantable medical device includes a semiconductor substrate, an epitaxial layer, and a power transistor. The epitaxial...
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7477942 |
ATP therapy for tachyarrhythmias in VF zone
A method and apparatus for delivering therapy to treat ventricular tachyarrhythmias is described. A ventricular tachyarrhythmia can be classified into tachycardia or fibrillation zones using a rate...
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7467017 |
Implantable lead having articulated shocking coil
An implantable lead is disclosed which includes an elongated lead body having opposed proximal and distal end portions. At least one defibrillation assembly is operatively associated with the...
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7463930 |
Implantable medical device programmer module for use with existing clinical instrumentation
An external programmer module adapted for physical and electrical connection to existing clinical monitoring and/or therapy instrumentation is provided for achieving bi-directional communication...
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7463923 |
Method and apparatus for delivering a biphasic defibrillation pulse with variable energy
An apparatus and method for determining an optimal transchest external defibrillation waveform that provides for variable energy in the first or second phase of a biphasic waveform that, when...
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7463922 |
Circuit and method for analyzing a patient's heart function using overlapping analysis windows
A circuit includes a sensor coupled to a processor. The sensor senses an electrical signal that is representative of a patient parameter, and the processor determines a condition of the patient by...
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7457662 |
Method and apparatus for variable capacitance defibrillation
An Automated External Defibrillator (AED) for delivering therapeutic electrical energy to a patient's heart comprising at least one variable capacitance capacitor having a large positive voltage...
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7450995 |
Implantable cardiac stimulation device including an output circuit that provides arbitrarily shaped defibrillation waveforms
An output circuit for use in an implantable cardiac defibrillation provides an output pulse having a waveform of virtually any desired shape. The device includes a sensing circuit that senses...
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7444179 |
Devices, systems and methods for characterization of ventricular fibrillation and for treatment of ventricular fibrillation
A method of determining a state of ventricular fibrillation, includes: measuring the rhythm of the heart during ventricular fibrillation for a period of time; creating a lagged phase space...
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7443652 |
Method and apparatus for connecting electrodes having apertures
In various embodiments, the present subject matter includes a capacitor stack having a first substantially planar electrode having a first unetched portion, and a first aperture extending through...
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7433734 |
Apparatus and method for blocking activation of tissue or conduction of action potentials while other tissue is being therapeutically activated
A desired effect is produced by therapeutically activating tissue at a first site within a patient's body and a corresponding undesired side effect is reduced by blocking activation of tissue or...
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7421300 |
Implantation of medical device with measurement of body surface potential
Methods of implanting at least one lead for a cardio defibrillator using body surface potential (BSP) electrodes are disclosed. The methods may include installing defibrillation electrodes in a...
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