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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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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)...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...