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| Number | Title | Issue Date |
| 8180456 | Systems and methods to configure a multi-electrode lead Methods and systems are provided for configuring a Multi-Electrode Lead (MEL) that includes N groups of electrodes, with each of the N groups of electrodes including at least M electrodes, where N≧2 and M≧2. Sent via the MEL is a first communication sequence of ... | 05/15/2012 |
| 8175668 | Implantable multi-wavelength venous oxygen saturation and hematocrit sensor and method An intravenous implantable optical sensor assesses the relative absorbance of multiple wavelengths of light in order to determine oxygen saturation. The calculation of oxygen saturation is enhanced by use of a function of hematocrit which is derived from the relativ... | 05/08/2012 |
| 8170664 | Monitoring heart disease using implantable sensors and slopes determined therefrom Specific embodiments of the present invention use an implanted sensor, during a period of time, to measure a physiologic property when the patient's heart is not stressed, and when the patient's heart is stressed. A slope is determined, where the slope is indicative... | 05/01/2012 |
| 8165667 | Methods and systems for optimizing exercise compliance diagnostic parameters A medical device detects certain patient activity based on a programmable activity threshold and determines the duration of detected activity. The activity threshold may be optimized by obtaining first and second duration measurements for at least one of a first act... | 04/24/2012 |
| 8162841 | Standalone systemic arterial blood pressure monitoring device Certain embodiments of the present invention are related to an implantable monitoring device to monitor a patient's arterial blood pressure, where the device is configured to be implanted subcutaneously. The device includes subcutaneous (SubQ) electrodes and a pleth... | 04/24/2012 |
| 8147416 | Implantable systemic blood pressure measurement systems and methods Implantable systems, and methods for use therewith, for monitoring arterial blood pressure on a chronic basis are provided herein. A first signal indicative of electrical activity of a patient's heart, and a second signal indicative of mechanical activity of the pat... | 04/03/2012 |
| 8135464 | Painless ventricular rate control during supraventricular tachycardia In various embodiments of the present invention, lower amplitude high frequency burst stimulation of cardiac fat pad(s) innervating the AV node and/or ventricle tissue performed in conjunction with ventricular pacing during refractory period is used to reduce the ve... | 03/13/2012 |
| 8092386 | Method and implantable system for blood-glucose concentration monitoring In an implantable medical device for monitoring blood-glucose concentration in the blood, metabolic oxygen consumption is derived by measuring physiological metrics related to mixed venous oxygen concentration. Blood-glucose concentration is determined using correla... | 01/10/2012 |
| 8065005 | Tissue characterization using intracardiac impedances with an implantable lead system An implantable system acquires intracardiac impedance with an implantable lead system. In one implementation, the system generates frequency-rich, low energy, multi-phasic waveforms that provide a net-zero charge and a net-zero voltage. When applied to bodily tissue... | 11/22/2011 |
| 8065001 | Use of implantable body position and body movement sensors Implantable systems, and methods for use therewith, are provided for using an implantable sensor for detecting body position and/or body movement, and using what is learned therefrom to improve accuracy of an implantable sensor that is sensitive to at least one of b... | 11/22/2011 |
| 8038866 | Process for producing high etch gains for electrolytic capacitor manufacturing Anode foil, preferably aluminum anode foil, is etched using a process of treating the foil in an electrolyte bath composition comprising a sulfate and a halide, such as sodium chloride. The anode foil is etched in the electrolyte bath composition by passing a charge... | 10/18/2011 |
| 8033999 | System and method for monitoring myocardial instability A method of monitoring myocardial stability includes determining a window length representing an acceptable time period between potential start times associated with at least two physiologic indices and monitoring multiple physiologic indices representative of myoca... | 10/11/2011 |
| 8032218 | Implantable cardiac device with satellite refresh In one embodiment an implantable cardiac device is provided that includes an implantable cardiac stimulation device with an implantable satellite device coupled to it. The implantable satellite device has a charge storage device. The implantable stimulation device h... | 10/04/2011 |
| 8032213 | Ventricular defibrillation threshold estimation Systems and methods are provided for estimating a patient's ventricular defibrillation threshold (VDFT). Stimulation pulses, which are of at least three different energy levels up to 2 Joules, are delivered to the patient's right ventricle during a window defined be... | 10/04/2011 |
| 8032206 | Use of motion sensor for dynamic updating of heart detection threshold A method for accurate heart rate detection includes receiving a signal indicative of motion due to respiration, and using the signal indicative of motion to adjust a threshold value of a signal indicative of activity of the heart. The adjusted threshold value is use... | 10/04/2011 |
| 8027722 | Multifocal PVC detection for prevention of arrhythmias Multifocal PVCs are detected and prevented. If the PVCs being detected have variable coupling intervals and significantly different morphologies, they are deemed multifocal and a prevention therapy is activated for a short period of time. In another embodiment, mult... | 09/27/2011 |
| 8010196 | Tissue characterization using intracardiac impedances with an implantable lead system An implantable system acquires intracardiac impedance with an implantable lead system. In one implementation, the system generates frequency-rich, low energy, multi-phasic waveforms that provide a net-zero charge and a net-zero voltage. When applied to bodily tissue... | 08/30/2011 |
| 8005533 | Implantable systems and methods for monitoring myocardial electrical stability by detecting PVC induced T-wave alternans reversals Embodiments of the present invention relate to implantable systems, and methods for use therewith, for assessing a patients' myocardial electrical stability. Implanted electrodes are used to obtain an electrogram (EGM) signal, which is used to identify periods when ... | 08/23/2011 |
| 7974702 | Communication device, communication system and communication method for an implantable medical device A communication device for an implantable medical device may include: an input/output interface configured to communicate with a wireless communication device; a communication interface configured to communicate with a remote system; and a processor configured to pe... | 07/05/2011 |
| 7974687 | Methods and systems for enhanced arrhythmia discrimination Embodiments of the present invention are for use with implantable cardiac devices that discriminate between ventricular tachycardia (VT) and supraventricular tachyarrhythmia (SVT). Discrimination between VT and SVT can be based on: a detected absence, presence or de... | 07/05/2011 |
| 7970468 | Method for programming arrhythmia discrimination algorithms in ICDs Embodiments of the present invention are for use with implantable cardiac devices that have discriminator parameters that the devices use to discriminate between ventricular tachycardia (VT) and supraventricular tachyarrhythmia (SVT). A user is allowed to select a b... | 06/28/2011 |
| 7957813 | Adaptive staged wake-up for implantable medical device communication A communication wake-up scheme for an implantable medical device may involve repeatedly activating a receiver to determine whether an external device is attempting to establish communication with the implantable device. To reduce the amount of power consumed by the ... | 06/07/2011 |
| 7955939 | Method for producing a high capacitance cathode by annealing a metallic foil in a nitrogen environment The present invention is a method for the production of a high capacitance foil for use as a cathode in an electrolytic capacitor by forming a nitride layer on at least one surface of the foil by annealing the foil at an elevated temperature in the presence of nitro... | 06/07/2011 |
| 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 barosensory information and calling for one or more therapeutic acti... | 05/31/2011 |
| 7949399 | 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 barosensory information and calling for one or more therapeutic acti... | 05/24/2011 |
| 7949398 | 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 barosensory information and calling for one or more therapeutic acti... | 05/24/2011 |
| 7949397 | Implantable medical device capable of depressing appetite to control obesity using stochastic resonance electrical stimulation Methods and devices are provided for influencing an amount of food ingested. The methods include applying stochastic resonance stimulation to a stomach to influence a nervous system response using an implantable stimulation device. In one embodiment, a device includ... | 05/24/2011 |
| 7949390 | Time domain monitoring of myocardial electrical stability Embodiments of the present invention relate to implantable systems, and methods for use therewith, for monitoring myocardial electrical stability. A patient's heart is paced for a period of time using a patterned pacing sequence that repeats every N beats, and an el... | 05/24/2011 |
| 7945326 | Tissue characterization using intracardiac impedances with an implantable lead system An implantable system acquires intracardiac impedance with an implantable lead system. In one implementation, the system generates frequency-rich, low energy, multi-phasic waveforms that provide a net-zero charge and a net-zero voltage. When applied to bodily tissue... | 05/17/2011 |
| 7925349 | Tissue characterization using intracardiac impedances with an implantable lead system An implantable system acquires intracardiac impedance with an implantable lead system. In one implementation, the system generates frequency-rich, low energy, multi-phasic waveforms that provide a net-zero charge and a net-zero voltage. When applied to bodily tissue... | 04/12/2011 |
| 7925334 | System and method for processing and storing signal information in an implantable cardiac device In an implantable cardiac device data is processed and stored to conserve storage space and computational resources thereby saving energy expended on these operations. The data being processed may be associated with signals with known and/or predictable patterns. A ... | 04/12/2011 |
| 7920919 | Morphology based motion detection for sensors sensitive to motion induced noise Provided herein are implantable systems, and methods for use therewith, for estimating a level of noise in a signal produced by an implantable sensor that is sensitive to motion induced noise. Sample data is obtained that is representative of a signal produced by th... | 04/05/2011 |
| 7920913 | Systems and methods for increasing implantable sensor accuracy Provided herein are implantable systems, and methods for use therewith, that increase the accuracy of measurements produced using an implanted sensor, where the measurements are affected by cycles of a cyclical body function (e.g., heart beat and/or respiration). In... | 04/05/2011 |
| 7917197 | Methods and devices for determining exercise diagnostic parameters A device, such as an implantable cardiac device, and methods for determining exercise diagnostic parameters of a patient are disclosed. Specifically, a maximum observed heart rate of a patient during exercise can be identified when an activity level and a heart rate... | 03/29/2011 |
| 7909768 | Reducing data acquisition, power and processing for hemodynamic signal sampling Methods, systems and devices are provided for reducing the amount of data, processing and/or power required to analyze hemodynamic signals such as photoplethysmography (PPG) signals, pressure signals, and impedance signals. In response to detecting a specific event ... | 03/22/2011 |
| 7909764 | Methods and systems to monitor venous blood oxygen saturation Methods and system are provided for monitoring a patients venous blood oxygen saturation (SvO2). At least one signal indicative of electrical activity of a patient's heart is obtained. Such a signal can be, e.g., an IEGM or ECG signal. In specific embodiments, such ... | 03/22/2011 |
| 7881792 | Methods and systems for detecting the presence of T-wave alternans Embodiments of the present invention relate to implantable systems, and method for use therein, that can detect T-wave alternans. In accordance with specific embodiments of the present invention, intrinsic premature contractions of the ventricles are detected, and a... | 02/01/2011 |
| 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 power required to analyze the hemodynamic signals. ... | 02/01/2011 |
| 7848816 | 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 barosensory information and calling for one or more therapeutic acti... | 12/07/2010 |
| 7848810 | Use of implantable sensors for proprioception and accurate sensor detection Implantable systems, and methods for use therewith, are provided for using an implantable sensor for detecting body position and/or body movement, and using what is learned therefrom to improve accuracy of an implantable sensor that is sensitive to at least one of b... | 12/07/2010 |
