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7606616 Calibration of adaptive-rate pacing using intrinsic chronotropic response  
Calibration of adaptive-rate pacing by a cardiac rhythm management system using an intrinsic chronotropic response. The cardiac rhythm management system may include an adaptive-rate pacing device....
7599741 Systems and methods for improving heart rate kinetics in heart failure patients  
Adaptive rate pacing for improving heart rate kinetics in heart failure patients involves determining onset and sustaining of patient activity. The patient's heart rate response to the sustained...
7570999 Implantable device for treating epilepsy and cardiac rhythm disorders  
Various aspects relate to an implantable device. Various device embodiments comprise at least one pulse generator and a controller to communicate with the pulse generator(s). The pulse generator(s)...
7539539 Implantable cardiac stimulation device with respiratory modulated therapy delivery  
A method of providing cardiac stimulation therapy and a device for providing the therapy. A patient's cardiac activity as well as cyclical respiration is monitored. Cardiac stimulation is provided...
7467012 Respiration parameters controlled by heart rate  
Heart rate information is used at least in part to obtain one or more parameters for inducing respiration. In various implementations, respiratory parameters, such as a target breathing rate or a...
7460901 Procedure for deriving reliable information on respiratory activity from heart period measurement  
The present invention describes a method of tracking minute ventilation from R-R intervals that are based on the acquisition of ECG signal. Sub-methods (RDF 1 ), which are mainly based on heart...
7426412 Evoked potential and impedance based determination of diaphragmatic stimulation  
A system and method are described for automatically detecting diaphragmatic stimulation (DS) based on evoked response signals, electrogram data and/or thoracic impedance measurements. In addition,...
7404799 System and method for detection of respiration patterns via integration of intracardiac electrogram signals  
Techniques are provided for tracking patient respiration based upon intracardiac electrogram signals or other electrical cardiac signals. Briefly, respiration patterns are detected by integrating...
7395115 Detection and the treatment of ventilatory disorders during sleep for an active implantable medical device, in particular a pacemaker  
An active medical device that is able to detect and treat ventiliatory activity disorders during sleep. This device measures the patient's respiratory activity, delivers a signal of the...
7336997 Heart treatment equipment and heart treatment method  
Heart treatment equipment and a heart treatment method directed to prevention of a fatal arrhythmia by detecting a physical exercise or a mental stress by using a sensor and thereafter controlling...
7302295 Method and apparatus for mimicking respiratory sinus arrhythmia with cardiac pacing controlled via external respiration therapy device  
Methods and systems involve adjusting cardiac pacing based on information acquired via a respiratory therapy device. A medical system includes a respiratory therapy device having one or more...
7299093 Method and apparatus for avoidance of phrenic nerve stimulation during cardiac pacing  
A cardiac rhythm management device in which an accelerometer is used to detect diaphragmatic or other skeletal muscle contraction associated with the output of a pacing pulse. Upon detection of...
7277756 Risk of death indicator  
A system comprising an implantable medical device (IMD). The IMD comprises a ventricular heart signal sensing circuit to provide a ventricular heart signal, at least one sensor operable to provide...
7269459 Implantable cardiac device with selectable tiered sleep apnea therapies and method  
An implantable cardiac stimulation device treats apnea with either phrenic nerve stimulation pulses or cardiac stimulation pulses. The device includes an apnea detector that detects apnea of a...
7248923 Dual-use sensor for rate responsive pacing and heart sound monitoring  
An implantable medical device includes a dual-use sensor such as a single accelerometer that senses an acceleration signal. A sensor processing circuit processes the acceleration signal to produce...
7231250 Method and apparatus for the setting or adjustment of a cardiac pacemaker  
A method of setting or adjusting a cardiac pacemaker in a patient diagnosed with cardiac asynchrony, which method comprises the steps of: i) implanting cardiac pacing wires into at least the right...
7225022 Method of optimizing patient outcome from cardiac resynchronization therapy  
A method of data management for optimizing the patient outcome from the provision of cardiac resynchronization therapy (CRT) is described. This method describes a process by which sets of dynamic...
7225021 Differentiation of central sleep apnea and obstructive sleep apnea using an implantable cardiac device  
An implantable cardiac device is programmed to differentiate between central sleep apnea and obstructive sleep apnea. The implantable cardiac device utilizes a respiration-related parameter (e.g.,...
7184817 System and method for acquiring breathing pattern signals from intracardiac electrograms and its use for heart failure therapy decision making and disease monitoring  
An ICD processing system for acquiring breathing pattern signals from intracardiac electrograms obtained from implantable cardiac devices. The system may include both an implantable ICD device and...
7136705 Method and apparatus for monitoring sensor performance during rate-responsive cardiac stimulation  
A cardiac stimulation device and method monitor and store discrepancies in sensor indicated rates determined from two or more sensors generating signals related to metabolic demand. One feature...
7130687 Implantable medical device and method for delivering therapy for sleep-disordered breathing  
An implantable medical device delivers augmentation therapy to intervene in a pattern of sleep-disordered breathing. Augmentation therapy includes the delivery of electrical stimulation to cardiac...
7031772 Method and apparatus for rate responsive adjustments in an implantable medical device  
A method and an apparatus for performing rate responsive control in an implantable medical device using a scaling factor. Sensor data is acquired using a sensor operatively coupled with the...
6990375 Adjustment of the breakpoint of the rate response curve based on minute ventilation values  
A method and system for operating a rate-adaptive pacemaker utilizing minute ventilation to measure exertion level. The method is applicable to heart failure patients who exhibit an oscillatory...
6928324 Stimulation device for sleep apnea prevention, detection and treatment  
An implantable cardiac stimulation device comprises a metabolic demand sensor, an activity sensor, and one or more pulse generators. The metabolic demand sensor and activity sensor can sense...
6876881 Cardiac rhythm management system with respiration synchronous optimization of cardiac performance using atrial cycle length  
A cardiac rhythm management device includes a dual chamber pacemaker, especially designed for treating congestive heart failure. The device incorporates a program microcontroller which is operative...
6830548 Active medical device able to diagnose a patient respiratory profile  
An active medical device to diagnose a patient respiratory profile. This device is able to measure respiratory activity and deliver a signal ( 26 ) representative of the periodicity and amplitude...
6741885 Implantable cardiac device for managing the progression of heart disease and method  
An implantable cardiac device detects a progression or regression in heart disease such as congestive heart failure. An activity sensor and a respiration sensor generate raw signals indicative of...
6731984 Method for providing a therapy to a patient involving modifying the therapy after detecting an onset of sleep in the patient, and implantable medical device embodying same  
An implantable medical device system is described including an implantable medical device for implantation in a patient. One embodiment of the implantable medical device includes a therapy...
6725091 Measuring a trans-septum bio-impedance in an active implantable medical device, in a particular pacemaker, defibrillator and/or cadiovertor and/or multisite device  
An active implantable medical device, in particular a pacemaker, cardioverter, defibrillator and/or a multisite device having circuits for measuring a trans-septal bio-impedance. This device is...
6574507 Active implantable medical device for treating sleep apnea syndrome by electrostimulation  
An active implantable medical device for electrostimulation in response to a determined sleep apnea syndrome, particularly a pacemaker. This device measures the respiratory activity of the patient,...
6539261 Measurement of intracardiac impedance in a multisite-type, active implantable medical device, in particular a pacemaker, defibrillator and/or cardiovertor  
An active implantable medical device, in particular a pacemaker, defibrillator or cardioveter of the multisite type, including a circuit for measuring intercardiac impedance. Electrodes are placed...
6490485 Automatic rate-adaptive pacing with auto-lifestyle  
Methods of adjusting output mapping in response to historical signal input data relative to a reference value, and apparatus to perform the methods. The methods are suited for use in adjusting...
6463326 Rate adaptive cardiac rhythm management device using transthoracic impedance  
A cardiac rhythm management (CRM) device detects transthoracic impedance, extracts ventilation or other information, and adjusts a delivery rate of the CRM therapy accordingly. A four-phase...
6459929 Implantable cardiac rhythm management device for assessing status of CHF patients  
A method and apparatus for providing congestive heart failure therapy status. An electronic device, preferably a cardiac rhythm management device, capable of measuring transthoracic impedance and...
6449509 Implantable stimulation device having synchronous sampling for a respiration sensor  
An implantable cardiac device that is adapted to periodically measure a body parameter, such as transthoracic impedance, at time periods selected so that the body parameter is primarily indicative...
6411850 Method of determining a ventilatory threshold breakpoint for an adaptive rate pacemaker  
A method for automatically determining the ventilatory (or “anaerobic”) threshold breakpoint for adaptive rate pacing without the need for directly measuring anaerobic threshold or ventilatory...
6408208 Fully automatic and physiologic rate-adaptive pacing  
Methods and apparatus for automatic estimation of output mapping parameters for a control system where those output mapping parameters may be estimated from changes in sensor input data when the...
6334071 Minute volume pacemakers that require only a single distal electrode  
In a rate-responsive pacemaker, the metabolic demand of the patient is determined by measuring the patient's minute volume. Preferably, the pacemaker has a housing with a header, two external...
6273856 Apparatus and methods for METS measurement by accelerometer and minute ventilation sensors  
Exertion levels of a patient are measured by monitoring signals from adaptive-rate sensors such as an accelerometer and or a minute ventilation sensor; sensor data is collected for conversion into...
6264606 Ischemia detector  
An ischemia detector has a patient workload sensor and a patient breathing sensor which emits a signal representing sensed workload, and a patient breathing sensor which emits a signal representing...
6208900 Method and apparatus for rate-responsive cardiac pacing using header mounted pressure wave transducer  
In a pacemaker, a method and apparatus for providing rate response in proportion to the patient's metabolic demand for cardiac output as determined in response to the patient's breathing rate or...
6144879 Heart pacemaker  
A heart pacemaker which is arranged to stimulate the apical area of the heart. Stimulation of this area provides synchronous mechanical contraction of the left and right ventricles and overcomes...
6141590 System and method for respiration-modulated pacing  
A system and method of providing for cardiac pacing which incorporates modulation of the pacing rate in order to minimize variations in ventricular power output, e.g., variation related to patient...
6064910 Respirator rate/respiration depth detector and device for monitoring respiratory activity employing same  
A device for determining the respiration rate and/or respiration depth of a patient includes a sensor for sensing heart sounds and an analyzer for analyzing the variation of the amplitude of the...
6038475 High output sensor and accelerometer for implantable medical device  
An accelerometer and sensor assemblies for medical implantable devices such as pacemakers, cardioverters, IPGs, PCDs, defibrillators, ICDs, and the like, includes at least one intermediate...
5964788 Method and apparatus for controlling a pacemaker using respiration  
In an implantable pacemaker the pacing rate is adjusted in synchrony with the respiration of the patient to thereby mimic respiratory sinus arrhythmia noted in healthy patients. Preferably, first a...
5931858 Implantable device for monitoring aerobic capacity of patients  
An implantable electronic circuit for monitoring a patient's aerobic capacity includes an accelerometer for detecting the onset and termination of a period of exercise and a means for measuring the...
5817136 Rate-responsive pacemaker with minute volume determination and EMI protection  
A rate responsive pacemaker includes a noise sensor for sensing noise on the leads. If noise is detected, the pacemaker switches to a mode wherein a metabolic demand parameter is ignored. The noise...
5800470 Respiratory muscle electromyographic rate responsive pacemaker  
A physiologic rate responsive pacer which alters the pacer's escape interval in response to the patient's respiratory minute ventilation derived from the electromyogram of selected respiratory...
5800432 Systems and methods for actively cooling ablation electrodes using diodes  
Systems and methods for ablating body tissue using actively cooled electrodes deploy the electrode for contacting tissue to form a tissue-electrode interface. The systems and methods conduct...
Matches 1 - 50 out of 89 1 2 >