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8165676 |
Optical sensor and method for detecting a patient condition
An implantable medical device for monitoring tissue perfusion that includes a light source emitting light having a light wavelength corresponding to a blue to ultraviolet light spectrum and a light...
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8165671 |
Automatic therapy advisor
A method of automatically determining which type of treatment is most appropriate for (or the physiological state of) a patient. The method comprises transforming one or more time domain...
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8160698 |
CPR sensitive ECG analysis in an automatic external defibrillator
An automatic external defibrillator including: a sensor for detecting when a rescuer is delivering a CPR chest compression to the patient; electrodes for application to the thorax of the patient...
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8155758 |
Fault tolerant implantable pulse generators and implantable cardioverter-defibrillators incorporating physiologic sensors and methods for implementing fault tolerance in same
This disclosure relates to fault tolerant instantiations of a cardiac therapy delivery device such as an implantable cardiac stimulator (e.g., an implantable pulse generator, IPG, and/or an...
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8150508 |
Vagus nerve stimulation method
An implanted electrical signal generator delivers a novel exogenous electrical signal to a vagus nerve of a patient. The vagus nerve conducts action potentials originating in the heart and lungs to...
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8142363 |
Cardiac rhythm management lead with omni-directional pressure sensing
Embodiments include a cardiac rhythm management system having a lead that includes an omni-directional pressure sensor that is configured to resist tissue in-growth and provide reliable and...
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8140154 |
Wearable medical treatment device
At least one aspect is directed to a wearable treatment device that includes a cardiac sensing electrode, a treatment electrode, a user interface, and a sensor. The cardiac sensing electrode...
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8133435 |
Sterile device and method for producing same
A sterile device immersed in a sterile buffer and a method for providing same. The sterile device may be a medical device such as a biosensor having a biomolecule as a sensing element such as, for...
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8135462 |
Pulse detection using patient physiological signals
The presence of a cardiac pulse in a patient is determined by evaluating physiological signals in the patient. In one embodiment, a medical device evaluates optical characteristics of light...
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8121683 |
External automatic defibrillator
An external automatic defibrillator including an attachment device that can be externally attached and carried by a patient, an identification device for detecting an abnormal event in the cardiac...
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8121687 |
Cardiac motion characterization by strain measurement
Methods for evaluating motion of a cardiac tissue location, e.g., heart wall, are provided. In the subject methods, timing of a signal obtain from a strain gauge stably associated with the tissue...
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8116865 |
Defibrillation shock output circuit
This document discusses, among other things, techniques for generating and delivering a high voltage defibrillation shock using an implantable cardiac rhythm management device. An output energy...
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8096962 |
Method of determining depth of chest compressions during CPR
A method of processing a raw acceleration signal, measured by an accelerometer-based compression monitor, to produce an accurate and precise estimated actual depth of chest compressions. The raw...
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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...
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8065011 |
Adaptive method and apparatus for forecasting and controlling neurological disturbances under a multi-level control
An adaptive method and apparatus for forecasting and controlling neurological abnormalities in humans such as seizures or other brain disturbances. The system is based on a multi-level control...
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8055338 |
Implantable medical device with temperature measuring and storing capability
An implantable medical device such as a cardiac pacemaker or implantable cardioverter/defibrillator with the capability of storing body temperature measurements taken periodically and/or when...
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8036746 |
Temporary disablement feature for implantable device with anti-tachyarrhythmia functions
An implantable cardiac rhythm management device for delivering anti-tachyarrhythmia therapy is provided with a temporary disablement feature so that the delivery of anti-tachyarrhythmia therapy may...
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8024039 |
Subcutaneous cardiac sensing and stimulation system employing blood sensor
Cardiac systems and methods using ECG and blood information for arrhythmia detection and discrimination. Detection circuitry is configured to produce an ECG. An implantable blood sensor configured...
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8014860 |
Thoracic or intracardiac impedance detection with automatic vector selection
Vector selection is automatically achieved via a thoracic or intracardiac impedance signal collected in a cardiac function management device or other implantable medical device that includes a test...
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8010190 |
CPR feedback method and apparatus
The present invention comprises a cardiopulmonary resuscitation (CPR) feedback device and a method for performing CPR. A chest compression detector device is provided that measures chest...
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8005545 |
Parasympathetic stimulation for prevention and treatment of atrial fibrillation
A method is provided, including identifying that a subject is at risk of suffering from atrial fibrillation (AF). Responsively to the identifying, a risk of an occurrence of an episode of the AF is...
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8005542 |
Therapeutic maintenance of atrial fibrillation by electrical stimulation
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...
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7996070 |
Template matching method for monitoring of ECG morphology changes
An implantable medical device and associated method perform ECG morphology monitoring. A subcutaneous ECG signal and a posture signal are sensed in a patient. A cardiac condition is detected in...
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7974689 |
Wearable medical treatment device with motion/position detection
A wearable defibrillator consists of a vest (or belt) which is worn by the patient. The device monitors the patient's ECG with sensing electrodes and can monitor other patient conditions and in...
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7974690 |
Lead integrity testing during suspected tachyarrhythmias
Techniques for performing a lead integrity test during a suspected tachyarrhythmia are described. An implantable medical device (IMD) may perform the test prior to delivering a therapeutic shock to...
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7970465 |
Decision paradigms for implantable cardioverter-defibrillators
New decision paradigms for ICDs are described. In one implementation, an implantable system senses cardiac output and arterial pressure parameters and shocks the heart in inverse relation to the...
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7957798 |
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...
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7957799 |
Non-invasive cardiac potentiation therapy
An external cardiac medical device for delivering Cardiac Potentiation Therapy (CPT). Techniques used with the device include initial diagnosis of the patient, delivery of the CPT, and...
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7953479 |
Acquiring nerve activity from carotid body and/or sinus
An exemplary includes acquiring an electroneurogram of the right carotid sinus nerve or the left carotid sinus nerve, analyzing the electroneurogram for at least one of chemosensory information and...
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7945324 |
Pressure sensing lead systems for implantable stimulators
Various different implementations of lead systems are disclosed for use with implantable stimulation systems. Generally, the lead systems incorporate, within an elongate lead body, one or more...
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7930028 |
Implantable cardiac device with a shock lead
An implantable cardiac device includes a housing (2), pulse generator (7) therein to generate physiologically effective electrical pulses, a shock lead (3), externally of the housing (2),...
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7917209 |
Pulse detection apparatus, software, and methods using patient physiological signals
The presence of a cardiac pulse in a patient is determined by evaluating physiological signals in the patient. In one embodiment, a medical device evaluates two or more different physiological...
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7899531 |
Neural sensing for atrial fibrillation
An exemplary method includes acquiring patient activity information and/or nerve activity information, detecting one or more episodes of atrial fibrillation, associating the information with atrial...
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7881790 |
Reducing data acquisition, power and processing for photoplethysmography and other applications
Hemodynamic signals, such as photoplethysmography (PPG) signals, pressure signals, and impedance signals, are sampled once per cyclical body cycle to reduce the amount of data, processing and/or...
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7881785 |
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 device...
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7856266 |
Implantable cardiac stimulation device providing reduced defibrillation thresholds and method
An implantable cardiac defibrillation device provides pre-shock stimuli to reduce the defibrillation threshold (DFT). The device includes an arrhythmia detector that detects fibrillation of a...
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7833474 |
Sterile device and method for producing same
A sterile device immersed in a sterile buffer and a method for providing same. The sterile device may be a medical device such as a biosensor having a biomolecule as a sensing element such as, for...
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7787947 |
Method and apparatus for using an optical hemodynamic sensor to identify an unstable arrhythmia
A medical device identifies a hemodynamically unstable arrhythmia based upon optical hemodynamic sensor signals. The optical hemodynamic sensor includes a light source for transmitting light...
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7761157 |
Cardiac stimulation and sensing with endolymphatically implanted lead
A technique utilizing an endolymphatically implanted lead having one or more electrodes that may be used for sensing cardiac activity and/or delivering cardiac electrical stimulation by an...
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7747319 |
Automated resuscitation device with ventilation sensing and prompting
A device for assisting a caregiver in delivering cardiac resuscitation to a patient, the device comprising a user interface configured to deliver prompts to a caregiver to assist the caregiver in...
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7717848 |
Collecting sleep quality information via a medical device
At least one of a medical device, such as an implantable medical device, and a programming device determines values for one or more metrics that indicate the quality of a patient's sleep. Sleep...
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7715916 |
Multi-parameter arrhythmia discrimination
An arrhythmia discrimination device and method involves receiving electrocardiogram signals and non-electrophysiologic signals at subcutaneous locations. Both the electrocardiogram signals and...
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7706878 |
Automated caregiving device with prompting based on caregiver progress
A device for assisting a caregiver in delivering therapy to a patient, the device comprising a user interface configured to deliver prompts to a caregiver to assist the caregiver in delivering...
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7670298 |
Sensing rate of change of pressure in the left ventricle with an implanted device
An implantable device and method for monitoring S1 heart sounds with a remotely located accelerometer. The device includes a transducer that converts heart sounds into an electrical signal. A...
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7668591 |
Automatic activation of medical processes
Systems and methods involve automatic activation, de-activation or modification of therapies or other medical processes based on brain state. A medical system includes a sensor system having one or...
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7630763 |
Thoracic or intracardiac impedance detection with automatic vector selection
This document discusses, among other things, a cardiac function management device or other implantable medical device that includes a test mode and a diagnostic mode. During a test mode, the device...
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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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7596411 |
Apparatus and method for two-component bioelectrical impedance ratio measuring and monitoring
An implantable cardiac stimulation and rhythm management device includes an impedance measuring circuit which determines a patient's intra-thoracic impedance and the resistance and reactance...
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7577478 |
Ischemia detection for anti-arrhythmia therapy
An exemplary method includes detecting arrhythmia, detecting myocardial ischemia, determining whether the myocardial ischemia comprises local ischemia or global ischemia and, in response to the...
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7567838 |
Method for sensing cardiac contractile function using a lead insertable motion sensor
Systems and methods for detecting and measuring cardiac contractile function of a heart using an acceleration sensor unit inserted within the heart, such as within a vein of the cardiac wall are...
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