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9008773 Identification of insulation breach using electrograms  
An implantable medical device capable of sensing cardiac signals and delivering cardiac electrical stimulation therapies is enabled to detect a short circuit condition. In one embodiment, a...
8958875 Stimulation mode switching based on tissue impedance stability  
Implantable medical devices switch from a constant current mode of operation to a constant voltage mode of operation. The switching may be based on the device determining that tissue impedance...
8942798 Alternative operation mode for an implantable medical device based upon lead condition  
A method, apparatus, and system for determining an adverse operational condition associated with a lead assembly in an implantable medical device used for providing a therapeutic electrical signal...
8897885 Optimizing the stimulus current in a surface based stimulation device  
A method and associated stimulation device for ensuring firing of an action potential in an intended physiological target activated by a stimulus pulse generated by an electrode of a non-invasive...
8880168 Defibrillator/monitor system having a pod with leads capable of wirelessly communicating  
A modular external defibrillator system in embodiments of the teachings may include one or more of the following features: a base containing a defibrillator to deliver a defibrillation shock to a...
8862227 Defibrillators detecting orientation of electrode connection to adjust energy dosage  
Embodiments of the present concept are directed to external defibrillators that include an electrode connection port having multiple connection options, and include a detection device to determine...
8855760 Systems and methods for early detection of lead breaches using cross-lead impedances detected by an implantable medical device  
Techniques are provided for use with an implantable medical device for detecting breaches in lead insulation or other lead failures. In one example, bipolar impedance is measured along single-lead...
8808342 Nanoshell therapy  
Nano-constructs comprising nanoshells and methods of using the nano-constructs for treating or ameliorating a vascular condition are provided.
8792992 Low-power system and methods for neuromodulation  
An apparatus comprises an electrostimulation energy storage capacitor, a circuit path communicatively coupled to the electrostimulation energy storage capacitor and configured to provide...
8788056 Neural stimulation system providing auto adjustment of stimulus output as a function of sensed impedance  
A neural stimulation system automatically corrects or adjusts the stimulus magnitude (stimulation energy) in order to maintain a comfortable and effective stimulation therapy. Because the changes...
8771165 Ventricular assist device cannula and ventricular assist device including the same  
Provided is a ventricular assist device cannula, and more particularly, a ventricular assist device cannula with electrodes. An exemplary embodiment of the present invention provides a ventricular...
8768460 Pain free defibrillation threshold estimation  
A system and method for painlessly calculating an estimated defibrillation threshold, such as by using an implantable medical device and a controller. The estimated defibrillation threshold can be...
8761875 Method and apparatus for selectable energy storage partitioned capacitor  
One embodiment of the present subject matter includes a method for pulse generation in an implantable device, comprising measuring an impedance between a first electrode and a second electrode and...
8755873 Evaluation of the quality of electrode contact with a skin surface  
An instrument that utilizes body contact electrodes evaluates the quality of the connections made between the electrodes and the body. An electrode contact quality evaluation circuit performs the...
8738128 Defibrillator/monitor system having a pod with leads capable of wirelessly communicating  
A modular external defibrillator system in embodiments of the teachings may include one or more of the following features: a base containing a defibrillator to deliver a defibrillation shock to a...
8738130 Automated pediatric defibrillator  
A device for assisting a rescuer in delivering therapy to an adult or pediatric patient, the device including a user interface comprising a display and/or audio speakers, the user interface being...
8700156 High accuracy painless method for measuring defibrillation lead impedance  
Methods and apparatus for accurately and painlessly measuring the impedance between defibrillation electrodes implanted in a patient utilize a high current test pulse delivered with a sufficiently...
8644925 Wearable monitoring and treatment device  
A wearable therapeutic device to facilitate care of a subject is provided. The wearable therapeutic device can include a garment having a sensing electrode. The garment includes at least one of an...
8620424 Method and apparatus for providing extra systolic stimulation  
An implantable medical device and associated method control the delivery of extra systolic stimulation by determining a coupling interval, setting an extra systolic interval in response to the...
8608636 Ventricular assist device cannula and ventricular assist device including the same  
Provided is a ventricular assist device cannula, and more particularly, a ventricular assist device cannula with electrodes. An exemplary embodiment of the present invention provides a ventricular...
8600497 Systems and methods to monitor and treat heart failure conditions  
An implantable device monitors and treats heart failure, pulmonary edema, and hemodynamic conditions and in some cases applies therapy. In one implementation, the implantable device applies a...
8594785 Neurostimulation system and method for measuring patient activity  
Electrical energy is conveyed via an implanted tissue stimulation system into tissue of the patient over a period of time. Electrical parameter data (e.g., impedance data and/or field potential...
8560076 Devices and methods for electrode implantation  
Systems and methods provide baroreflex activation to treat or reduce pain and/or to cause or enhance sedation or sleep. Methods involve activating the baroreflex system to provide pain reduction,...
8478414 Baroreflex activation for pain control, sedation and sleep  
Systems and methods provide baroreflex activation to treat or reduce pain and/or to cause or enhance sedation or sleep. Methods involve activating the baroreflex system to provide pain reduction,...
8478402 Determining intercardiac impedance  
A system and method for determining complex intercardiac impedance to detect various cardiac functions are disclosed involving a signal generator means for providing an adjustable direct current...
8423138 Implantable device for transmitting therapeutic and diagnostic signals  
An implantable medical device configured to connect to function conductor(s) to transmit therapeutic signals or diagnostic signals or both. Includes a controllable voltage/current source or...
8423132 Efficient dynamic stimulation in an implanted device  
A method for measuring impedance of a tissue (20), consisting of charging a capacitor (C15) to a potential, and discharging the capacitor for a discharge period through the tissue. The method...
8417327 Variable frequency impedance measurement  
When a defibrillator selects a dosage of energy or current to be delivered to a patient, the defibrillator selects an excitation current frequency and applies the excitation current at the...
8417333 Painless non-stimulating lead impedance measurement  
This document discusses, among other things, an apparatus comprising, a plurality of electrodes configured to deliver defibrillation countershock energy to a subject, an impedance measurement...
8412322 Defibrillators detecting orientation of electrode connection to adjust energy dosage  
Embodiments of the present concept are directed to external defibrillators that include an electrode connection port having multiple connection options, and include a detection device to determine...
8406874 Defibrillator with a normalized electrode interface and defibrillating electrode  
A defibrillator includes a defibrillator mainframe and a defibrillating electrode. The defibrillator mainframe includes a main control unit and a master device electrically connected to the main...
8406881 Variable voltage compliance for current output generator  
A system for providing stimulation current in implantable medical devices is provided. One aspect of this disclosure relates to an apparatus including a power supply terminal adapted to be...
8401638 Defibrillation shock strength determination technology  
A method for determining a cardiac shock strength, for example the programmed first-therapeutic shock strength of an implantable cardioverter defibrillator (ICD), including the steps of sensing a...
8391968 Breast classification based on impedance measurements  
A method of screening for breast cancer, including determining at least one first electrical impedance related characteristic for a first breast of a patient, determining at least one second...
8364260 External defibrillator  
An external defibrillator having a battery; a capacitor electrically communicable with the battery; at least two electrodes electrically communicable with the capacitor and with the skin of a...
8355796 Secondary side load detection in an electrotherapy apparatus  
A load detecting circuit has a primary side and a secondary side with a secondary side patient load impedance input having a patient-side opto-isolator and a secondary side reference resistance...
8352033 Apparatus and methods for measuring defibrillation lead impedance via a high magnitude, short duration current pulse  
Methods and apparatus for accurately and painlessly measuring the impedance between defibrillation electrodes implanted in a patient utilize a high current test pulse delivered with a sufficiently...
8283928 Method and arrangement for determining a power supply state variable in an active medical implant  
The invention relates to a method and arrangement for determining a power supply state variable, particularly of the maintenance state of a battery or rechargeable battery, in an active medical...
8280511 Systems and methods for use by an implantable medical device for detecting heart failure based on the independent information content of immittance vectors  
Techniques are provided for detecting heart failure or other medical conditions within a patient using an implantable medical device, such as pacemaker or implantable cardioverter/defibrillator,...
8265748 Defibrillator with a normalized electrode interface and defibrillating electrode  
A defibrillator includes a defibrillator mainframe and a defibrillating electrode. The defibrillator mainframe includes a main control unit and a master device electrically connected to the main...
8260400 Model-based correction of position measurements  
Visualization of a probe when impedance-based measurement technology is being used is improved by stabilizing a displayed image of the probe or catheter. Using a model of reasonable probe shapes...
8260414 Method and apparatus for defrosting a defibrillation electrode  
A device and method for defrosting a defibrillation electrode are provided. This includes an automated external defibrillator that is capable of defrosting one or more frozen electrodes. The...
8209008 Interactive automatic external defibrillator providing attachment guidance to operator  
A method for operating an automatic external defibrillator (AED) prompts an operator about proper operation of the automatic external defibrillator and placement of the electrodes to ensure rapid...
8190254 Defibrillator  
A defibrillator for external application to a patient. The defibrillator includes a power storage unit for supplying a defibrillation shock. The power storage unit has a capacitor unit...
8150512 Use of impedance to assess electrode locations  
A process for determining whether the location of a stimulation electrode meets a selected heart performance criteria includes providing stimulation to the heart through the electrode and...
8116864 Assessing medical electrode condition  
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 for replacement. The...
8099164 Selectively implementable digital signal processing circuit for an implantable medical device  
Embodiments of the invention include an implantable medical device having a digital signal processing circuit associated with an implantable medical device function. The digital signal processing...
8086306 OTC automatic external defibrillator with quick install battery  
An automatic external defibrillator is shipped from the manufacturer with the battery installed in the battery compartment of the AED. During shipment a removable tab is located between a battery...
8064996 Automatic determination of T-shock vulnerable window  
A method and apparatus for determining a T-wave shock interval sense a cardiac electrogram (EGM) signal comprising a T-wave signal. A T-wave center is determined from the EGM signal, and a T-wave...
8060200 Self-adjusting optimal waveforms  
An exemplary method includes detecting fibrillation, measuring impedance of a defibrillation circuit that includes myocardial tissue, determining one or more defibrillation shock parameters based...

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