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| Number | Title | Issue Date |
| 8073541 | Remote control of implantable device through medical implant communication service band A system and method for communicating data and signals through the Medical Implant Communication Service Band using a repeater or base station in the proximity to an implantable device within a patient is disclosed. In a preferred embodiment, the device is capable f... | 12/06/2011 |
| 7894902 | Adaptive cardiac resyncronization therapy and vagal stimulation system An adaptive feed-back controlled system for regulating a physiological function of a heart in which a hemodynamic sensor continuously monitors the physiological performance of the heart. Three implanted electrodes sense and pace the right atrial, right ventricle and... | 02/22/2011 |
| 7869878 | Implantable cardiac stimulation device providing IEGM with reduced respiration modulation effect and method An implantable cardiac stimulation device provides an intracardiac electrogram with reduced respiratory modulation effect. The device includes a sensing circuit that senses cardiac activity and provides an intracardiac electrogram signal extending over a plurality o... | 01/11/2011 |
| 7623917 | Method of optimizing data collection and therapy delivery based on respiration A method and system for improving or optimizing the collection of data from and the delivery of therapy to a patient by an implantable medical device (IMD) is disclosed which uses information about the patient's respiratory cycle. ... | 11/24/2009 |
| 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) is (are) adapted to deliver a first electrical signal through at lea... | 08/04/2009 |
| 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 as indicated as therapeutic intervention for a variety of cardiac arr... | 05/26/2009 |
| 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 target tidal volume may be delivered by an implantable device to a pat... | 12/16/2008 |
| 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, several optional modalities are described to circumvent this problem ... | 09/16/2008 |
| 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 cardiac electrical signals corresponding to individual paced cardiac c... | 07/29/2008 |
| 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 ventiliatory activity of the patient, analyzes the ventiliatory activity signal,... | 07/01/2008 |
| 7366572 | Controlling therapy based on sleep quality A medical device, such as an implantable medical device (IMD), determines values for one or more metrics that indicate the quality of a patient's sleep, and controls delivery of a therapy based on the sleep quality metric values. For example, the medical device may ... | 04/29/2008 |
| 7361146 | System and method for detecting abnormal respiration via respiratory parameters derived from intracardiac electrogram signals Techniques are provided for tracking patient respiration based upon intracardiac electrogram (IEGM) signals or other electrical cardiac signals. Briefly, respiration patterns are detected based upon cycle-to-cycle changes in morphological features associated with in... | 04/22/2008 |
| 7343199 | Measurement of respiratory sinus arrhythmia using respiratory and electrogram sensors in an implantable device An apparatus for measuring a patient's heart rate response to respiration, for monitoring the patient's autonomic tone, includes an implantable system. The implantable system includes a sensor for generating sensed signals representing detected beat-to-beat heart ra... | 03/11/2008 |
| 7336996 | Rate regularization of cardiac pacing for disordered breathing therapy An approach to providing disordered breathing therapy includes providing cardiac overdrive pacing using rate regularization. Overdrive pacing therapy may be initiated following detection or prediction of disordered breathing. Characteristics of the disordered breath... | 02/26/2008 |
| 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 the vagus nerve stimulation, wherein sensor means for detecting vario... | 02/26/2008 |
| 7320675 | Method and apparatus for modulating cellular metabolism during post-ischemia or heart failure A drug delivery system detects a cardiac condition indicative of a need for increasing a cardiac metabolic level and, in response, releases a drug into tissue or blood to shift a source of metabolically synthesized energy fueling cardiac contraction from fatty acid ... | 01/22/2008 |
| 7313434 | Impedance monitoring for detecting pulmonary edema and thoracic congestion An implantable medical device includes a housing for the implantable device that is sized for implantation in a chest region of a patient and includes a housing electrode. A left ventricular lead port is connectable to a proximal end of a lead having first and secon... | 12/25/2007 |
| 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 sensors and a therapy delivery unit. The one or more sensors are configured... | 11/27/2007 |
| 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 diaphragmatic contraction, the device may be configured to automatically... | 11/20/2007 |
| 7295826 | Integrated frequency translation and selectivity with gain control functionality, and applications thereof Methods and apparatuses for frequency selectivity and frequency translation, and applications for such methods and apparatuses, are described herein. The method includes steps of filtering an input signal, and down-converting the filtered input signal. The filtering... | 11/13/2007 |
| 7292887 | Apparatus and method for spatially and temporally distributing cardiac electrical stimulation A cardiac electro-stimulatory device and method for operating same in which stimulation pulses are distributed among a plurality of electrodes fixed at different sites of the myocardium in order to reduce myocardial hypertrophy brought about by repeated pacing at a ... | 11/06/2007 |
| 7289854 | Unitary subcutaneous only implantable cardioverter-defibrillator and optional pacer A unitary subcutaneous implantable cardioverter-defibrillator has a long thin housing in the shape of a patient's rib. The housing contains a source of electrical energy, a capacitor, and operational circuitry that senses the presence of potentially fatal heart rhyt... | 10/30/2007 |
| 7286872 | Method and apparatus for managing data from multiple sensing channels An implantable medical device comprising a plurality of implantable electrodes to sense the electrical activity and an implantable medical device coupled to the electrodes. The implantable medical device includes a plurality of sense amplifiers in communication with... | 10/23/2007 |
| 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 an electrical signal representative of patient activity, a sensor int... | 10/02/2007 |
| 7277761 | Vagal stimulation for improving cardiac function in heart failure or CHF patients Exemplary methods for decreasing workload, maintaining or increasing cardiac output and/or achieving a desirable autonomic balance by stimulating one or more parasympathetic nerves. Various exemplary methods include delivering one or more stimulation pulses postinsp... | 10/02/2007 |
| 7272442 | Automatically configurable minute ventilation sensor A minute ventilation sensing device in which transthoracic impedance is measured with voltage sense electrodes during injection of current by excitation current electrodes. The device is capable of operating with different configurations of voltage sense and excitat... | 09/18/2007 |
| 7272443 | System and method for predicting a heart condition based on impedance values using an implantable medical device Techniques are provided for predicting the onset of a heart condition within a patient based on impedance measurements. Briefly, overloads in fluid levels in the thorax and in ventricular myocardial mass within the patient are detected based on impedance signals sen... | 09/18/2007 |
| 7269457 | Method and system for vagal nerve stimulation with multi-site cardiac pacing A method of performing a medical procedure is provided. The medical procedure includes stimulation of a patient's heart while stimulating a nerve of the patient in order to modulate the patient's inflammatory process. More particularly, the medical procedure include... | 09/11/2007 |
| 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 patient, a blood oxygen saturation monitor that measures a blood oxygen s... | 09/11/2007 |
| 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 an activity level signal and a heart sound signal. The implantable me... | 07/24/2007 |
| 7248922 | Timing refractory period for cardiac resynchronization pacing A device and method for cardiac rhythm management in which a heart chamber is paced in accordance with a pacing mode that employs sense signals from the opposite chamber. A sensing refractory period is provided in order to prevent the pacing interval from being leng... | 07/24/2007 |
| 7245971 | System and method for applying therapy during hyperpnea phase of periodic breathing using an implantable medical device Techniques are provided for treating periodic breathing, such as Cheyne-Stokes Respiration, using an implantable medical system. In one technique, diaphragmatic stimulation is delivered during a hyperpnea phase of periodic breathing via electrical stimulation of the... | 07/17/2007 |
| 7245967 | Parasympathetic nerve stimulation for termination of supraventricular arrhythmias Terminating supraventricular arrhythmias through parasympathetic nerve stimulation. The method comprises detecting a supraventricular arrhythmia, stimulating a parasympathetic nerve and determining whether the supraventricular arrhythmia terminated or worsened. Vari... | 07/17/2007 |
| 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 ventricle and the left ventricle of the heart of the patient, ii) con... | 06/12/2007 |
| 7228174 | Algorithm for the automatic determination of optimal AV an VV intervals Methods and devices for determining optimal Atrial to Ventricular (AV) pacing intervals and Ventricular to Ventricular (VV) delay intervals in order to optimize cardiac output. Impedance, preferably sub-threshold impedance, is measured across the heart at selected c... | 06/05/2007 |
| 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., respiration rate, tidal volume, and minute ventilation) to determine ... | 05/29/2007 |
| 7225017 | Parasympathetic nerve stimulation for ICD and/or ATP patients Exemplary methods for increasing efficiency and/or increasing success of terminating ventricular tachyarrhythmia. An exemplary method includes stimulation of a parasympathetic nerve before, during and/or after delivery of antitachycardia pacing pulses, a cardioversi... | 05/29/2007 |
| 7223244 | System and method for monitoring hypercapnic ventilatory response An exemplary method includes determining a parameter related to CO2 concentration in a patient's blood, as well as determining a parameter related to respiration of the patient. The parameters are then processed to diagnose a cardiac condition based at le... | 05/29/2007 |
| 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 cardiopulmonary dependent variables are measured during steady-state c... | 05/29/2007 |
| 7220230 | Pressure-based system and method for determining cardiac stroke volume Cardiac stroke volume (SV) of a subject is estimated as a function of a value derived from a measured arterial pressure waveform. The value may be the standard deviation, or a function of the difference between maximum and minimum pressure values, or a function of e... | 05/22/2007 |
