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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...
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...
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...
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...
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...
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...
7418293 Multiple pulse defibrillation for subcutaneous implantable cardiac devices  
Cardiac stimulation methods and systems provide for multiple pulse defibrillation, and involve sensing a fibrillation event, determining a fibrillation cycle length associated with the fibrillation...
RE40471 AED with force sensor  
A force sensor, for use in combination with an automated electronic defibrillator (AED), includes a first conductive layer. A second conductive layer is spaced apart from the first conductive layer...
7412282 Algorithms for detecting cardiac arrhythmia and methods and apparatuses utilizing the algorithms  
A method for detecting a cardiac arrhythmia from an electrocardiogram includes the steps of identifying a plurality of R-waves in the electrocardiogram during a predetermined time interval;...
7408762 Method and apparatus for providing capacitor feedthrough  
A capacitor feedthrough assembly with a cavity including a capacitor stack, including one or more substantially flat anode layers and one or more substantially flat cathode layers in a case with a...
7391601 Feedthrough filter assembly  
A feedthrough filter capacitor assembly for an implantable medical device is provided. The assembly includes a conductive lead, a conductive tube coaxial with and insulated from at least a portion...
7389139 Simplified defibrillator output circuit  
High side driver circuitry for a defibrillator circuit employs respective capacitors connected to respective gates of silicon controlled rectifiers serving as high side switches. Applying a voltage...
7386343 Spectrum-driven arrhythmia treatment method  
A method and apparatus for treating an arrhythmia is provided. The method includes the steps of: (a) sensing at least one electrical signal from the patient's heart; (b) calculating a frequency...
7386344 Pacer with combined defibrillator tailored for bradycardia patients  
A combination pacer/defibrillator is tailored for bradycardia patients. In one example, its shock-delivery specificity exceeds its sensitivity to shockable ventricular tachyarrhythmias. In another...
RE40365 Portable emergency oxygen and automatic external defibrillator (AED) therapy system  
This invention provides a medical diagnosis and therapy system particularly adapted for the combined uses of emergency cardiac defibrillation and pulmonary oxygen administration, including...
7383085 Subcutaneous implantable cardioverter/defibrillator  
Implantable cardioverter-defibrillators (ICDs) are disclosed that are entirely implantable subcutaneously with minimal surgical intrusion into the body of the patient and provide distributed...
7379772 Apparatus and method of arrhythmia detection in a subcutaneous implantable cardioverter/defibrillator  
In a subcutaneous implantable cardioverter/defibrillator, cardiac arrhythmias are detected to determine necessary therapeutic action. Cardiac signal information is sensed from far field electrodes...
7376458 Method for defining signal templates in implantable cardiac devices  
Template formation methods for use in implantable cardiac rhythm management devices. In an illustrative method, a signal is captured signal an implanted cardiac rhythm management device, and...
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...
7373207 Treatments for a patient with congestive heart failure  
The invention is directed to devices for two minimally invasive therapeutic procedures, particularly for patients with congestive heart failure. One procedure involves providing a valve to form a...
7363083 Flexible subcutaneous implantable cardioverter-defibrillator  
One embodiment of the present invention provides an implantable cardioverter-defibrillator for subcutaneous positioning over a patient's ribcage, the implantable cardioverter-defibrillator...
7359754 Optional use of a lead for a unitary subcutaneous implantable cardioverter-defibrillator  
One embodiment of the present invention provides an implantable cardioverter-defibrillator for subcutaneous positioning over a patient's ribcage, the implantable cardioverter-defibrillator includes...
7352560 Method and apparatus for interconnecting electrodes with partial titanium coating  
The present subject matter includes a capacitor stack having a plurality of anode layers, and a plurality of cathodic metal substrates partially coated in a titanium coating. Cathode portions...
7353060 Adaptive anti-tachycardia therapy apparatus and method  
A method and apparatus for delivering anti-tachycardia pacing in an adaptive manner is disclosed. A cardiac rhythm management device, such as an implantable pacemaker, having anti-tachycardia...
7349736 Active housing dual lead assembly  
A subcutaneous cardiac device includes a subcutaneous electrode and a housing coupled to the subcutaneous electrode by a lead with a lead wire. The subcutaneous electrode is adapted to be implanted...
7349735 Methods and apparatus for treating fibrillation and creating defibrillation waveforms  
Methods and apparatus for treating fibrillation utilize biphasic waveforms. A cardiac stimulator includes a defibrillation circuit that uses a pulse width modulated capacitive discharge to generate...
7349734 Method and apparatus for delivering defibrillation shock therapy while reducing electrical dispersion due to ventricular conduction disorder  
A method and device for delivering defibrillation shock therapy in patients having an inter-ventricular conduction disorder is presented. Ventricular resynchronization therapy is employed to reduce...
7346392 Method and apparatus for the monitoring and treatment of spontaneous cardiac arrhythmias  
An implantable apparatus for the detection and monitoring of spontaneous cardiac electrogram features in a comprises a cardiac monitoring device and a plurality of subcutaneous cardiac sensing...
7340301 Defibrillator system  
The invention provides a portable defibrillation system ( 2 ), including: a high voltage switch, and current control circuit ( 16 ) connectable to and fed by a power source ( 6 ); a high voltage...
7336994 Control of atrial defibrillation therapy based on hemodynamic sensor feedback  
Control of defibrillation therapy delivered by implantable medical devices (IMDs) using hemodynamic sensor feedback is disclosed. The hemodynamic sensor feedback allows for increased control over...
7330757 Method for discriminating between ventricular and supraventricular arrhythmias  
The present invention is directed toward a detection architecture for use in implantable cardiac rhythm devices. The detection architecture of the present invention provides methods and devices for...
7327553 Feedthrough capacitor filter assemblies with laminar flow delaminations for helium leak detection  
A feedthrough filter capacitor assembly includes a capacitor having first and second sets of conductive electrode plates embedded within a dielectric body and mounted to the hermetic terminal of an...
7324849 Methods and devices for inhibiting battery voltage delays in an implantable cardiac device  
A battery of a cardiac stimulation device may experience voltage delay problems caused by a passivation layer that forms on the anode of the battery. To inhibit voltage delay, the battery is...
7321793 Vagal stimulation for atrial fibrillation therapy  
Apparatus for treating a subject suffering from spontaneous atrial fibrillation includes an electrode device, adapted to be coupled to a vagus nerve of the subject, and a control unit, adapted to...
7319898 Self-adapting defibrillator induction feature  
A system that includes a programming device and a defibrillator provides a self-adapting defibrillator induction feature to test the effectiveness of the defibrillator in detecting and terminating...
7317941 Time syncrhonization of data  
A device external to an implantable medical device (IMD) is provided with an accurate reference clock. The programmer receives time data from the IMD and compares that data to time data from the...
7317950 Cardiac stimulation system with delivery of conductive agent  
A cardiac stimulation assembly includes an energy source coupled to an energy emitter that extends form a delivery member into a region of tissue in the heart. An array of the emitters are adapted...
7313436 Configurable cardioversion and defibrillation therapies in the presence of coexisting atrial and ventricular arrhythmia  
An implantable cardioverter defibrillator system and method are provided having configurable shock therapies selected based on an evaluation of the atrial rhythm status following a ventricular...
7310553 Integrated resuscitation  
A resuscitation system that includes at least two defibrillation electrodes configured to be applied to the exterior of the chest of a patient for delivering a defibrillation shock, a source of one...
7310216 EMI filter terminal assembly with wire bond pads for human implant applications  
An electro-magnetic interference filter terminal assembly for active implantable medical devices includes a structural pad in the form of a substrate or attached wire bond pad, for convenient...
7308305 Optimally timed early shock defibrillation  
An exemplary method includes detecting two or more event interval times associated with an arrhythmic condition, averaging event interval times to provide an average event interval time, providing...
7308308 Method to monitor progression of atrial fibrillation and to detect its susceptibility for termination  
A method and apparatus for monitoring a patient's cardiac electrical activity is disclosed. The method includes determining a characteristic of the cardiac signals during a detected episode of...
7308304 Cooperating defibrillators and external chest compression devices  
Devices, methods, and software implementing those methods for providing communicating external chest compression (ECC) devices and defibrillation (DF) devices, where the ECC and DF devices can be...
7301753 Method and apparatus for a capacitor with flexible bus  
The present subject matter includes a first capacitor stack including a first plurality of anode layers and a first plurality of cathode layers and a second capacitor stack including a second...
7299092 Subcutaneous electrode for transthoracic conduction with low profile installation appendage  
Electrical cardiac therapy devices including electrode lead assemblies having appendages coupled to an electrode. The appendage may take the form of a riser and a head having various...
7292168 DSP with variable sample frequency  
An implantable medical device uses a sampling scheme to obtain digital representation from analog signals. The analog signals represent intracardiac activity. Generally, a detector detects the...
7292886 Bifocal cardiac stimulation device and methods  
A cardiac stimulation system for implantation in a patient is disclosed. The cardiac stimulation system comprises first and second electrodes configured for positioning in a bifocal arrangement. A...
7292895 Ready-to-install electrode system for cardioversion and assembly of said system and an endoscope  
A ready-to-install electrode system designed for use with an endoscope for performing cardioversion through the esophagus, and an assembly of the system and an endoscope. The system is...