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| Number | Title | Issue Date |
| 7780607 | Cardiac therapy system including a triboelectric sensor Mechanical activity of a heart is sensed by a cardiac lead that carries a triboelectric sensor. The triboelectric sensor produces a triboelectric signal in response to cardiac contractions. A lead fabricated according to the invention can be used for a variety of pu... | 08/24/2010 |
| 7780606 | Hemodynamic stability assessment based on heart sounds A system comprising an implantable medical device (IMD). The IMD includes an implantable sensor operable to produce an electrical signal representative of mechanical activity of a heart of a subject and a controller circuit coupled to the sensor. The IMD also includ... | 08/24/2010 |
| 7766840 | Method and system for heart failure status evaluation based on a disordered breathing index An evaluation of heart failure status is provided based on a disordered breathing index. Patient respiration is sensed and a respiration signal is generated. Disordered breathing episodes are detected based on the respiration signal. A disordered breathing index is ... | 08/03/2010 |
| 7753855 | Implantable cardiac device providing sudden cardiac death susceptibility indicator and method An implantable cardiac stimulation device determines sudden cardiac death susceptibility of a heart. The device comprises a first measuring circuit that measures intrinsic rest rate of the heart, a second measuring circuit that measures heart rate response of the he... | 07/13/2010 |
| 7736318 | Apparatus and method for monitoring and communicating wellness parameters of ambulatory patients The monitoring device incorporates transducing devices for converting the desired measured parameters into electrical signals capable of being processed by a local computer or microprocessor system. The device interacts with the ambulatory patient and then, via a mo... | 06/15/2010 |
| 7713213 | Physiological event detection systems and methods Systems and methods using constant false alarm rate techniques for event detection. One example of an event detection method includes collecting a first distribution of measurements for a first physiological parameter. In another example, the first distribution of m... | 05/11/2010 |
| 7708696 | Navigation using sensed physiological data as feedback A method for controlling a remote navigation system includes operating the remote navigation system to bring a sensor carried on a medical device successively into a plurality of locations in a predetermined pattern, and using the sensor to sense a physiological pro... | 05/04/2010 |
| 7691069 | Method, system and computer program product for performance monitoring and planning A method for predicting athletic performance for a subject, the method comprising: obtaining first heart rate data for varying speed, constant incline running; obtaining second heart rate data for varying incline, constant speed running; determining a first power pe... | 04/06/2010 |
| 7670297 | Chamber mapping system A computational process for approximating and representing the shape of the interior of the heart is disclosed. ... | 03/02/2010 |
| 7662103 | Apparatus for non-invasive diagnosis of vasovagal syncope in a patient An apparatus for non-invasive diagnosis of states of vasovagal syncope in a patient placed on a tilt table and subjected to a tilt-test, the apparatus comprising: circuits for sensing the patient's endocardiac acceleration; circuits for sensing the patient's heart r... | 02/16/2010 |
| 7654965 | Method and system for processing electrocardiograms In a method and system for processing an electrocardiogram (ECG), digital ECG data are received. The digital ECG data evinces a plurality of a patient's heartbeats detected during an ECG. Digital annotation data are generated representing marking to be shown on an E... | 02/02/2010 |
| 7648464 | Detecting ischemia using an implantable cardiac device based on morphology of cardiac pressure signal Methods and systems are presented for using an ICD to detect myocardial ischemia. In one embodiment, a method includes sensing a signal indicative of cardiac pressure, measuring a height of the sensed signal at a peak amplitude of the sensed signal, and measuring a ... | 01/19/2010 |
| 7632234 | Implantable biosensor devices for monitoring cardiac marker molecules An implantable biosensor system is disclosed for determining levels of cardiac markers in a patient to aid in the diagnosis, determination of the severity and management of cardiovascular diseases. The sensor includes nanowire sensor elements having a biological rec... | 12/15/2009 |
| 7618377 | Galvanic isolation of a medical apparatus A medical device, such as an electrocardiogram (ECG) monitoring apparatus, provides galvanic isolation between low voltage electronics and a plurality of externally exposed ECG (patient contact) lead wires and electrodes. The ECG lead wires and/or electrodes can pot... | 11/17/2009 |
| 7601124 | Complexity-based dynamical assay for assessing the toxicity and efficacy of pharmaceutical and other therapeutic interventions In a subject undergoing therapeutic intervention, efficacy of the therapeutic intervention is assessed based on a series of physiologic data associated with the subject. The series of physiologic data is analyzed to produce a measure of complexity. The complexity me... | 10/13/2009 |
| 7597667 | Method for judging irregular heartbeat A method for judging irregular heartbeat performs a measurement step to measure a plurality of heartbeat pulses within a time period for a user, and to measure inter-pulse durations and total pulse numbers. The method further performs a calculation step to calculate... | 10/06/2009 |
| 7582061 | Method and apparatus for morphology-based arrhythmia classification using cardiac and other physiological signals A tachyarrhythmia detection and classification system classifies tachyarrhythmias based on an analysis of morphological features of a cardiac signal enhanced by using one or more physiological parameters indicative of hemodynamic stability and/or activity level. The... | 09/01/2009 |
| 7578794 | Apparatus and method for detecting lung sounds using an implanted device Adventitious lung sounds indicative of lung congestion are detected using an implantable sensor. The sensor is adapted to be positioned adjacent to a pulmonary system and to output signals indicative of lung sounds in response to pulmonary system activity. A control... | 08/25/2009 |
| 7572232 | Cardiac signal display and event detection using multiresolution Z-score transform A system comprising a medical device including a processor and a Z-score transformation (ZST) module. The system also includes a display in communication with the processor. The processor is adapted to receive sensor data obtained from at least first and second sens... | 08/11/2009 |
| 7572231 | Method of and system for signal separation during multivariate physiological monitoring Multiple electrode contacts make electrical connections to the anterior and/or posterior chest for multivariate characterization of the electrical activation of the heart. A central processing unit derives synthetic composite electrographic signals as well as flag s... | 08/11/2009 |
| 7559900 | Cardiac sensing and detection using subcutaneous ECG signals and heart sounds A method and device for detecting cardiac signals that includes a first plurality of electrodes that senses cardiac signals and delivers therapy, and a second plurality of electrodes that senses the cardiac signals. A microprocessor detects a cardiac event in respon... | 07/14/2009 |
| 7537570 | Automated mapping of anatomical features of heart chambers A method is provided to facilitate the movement of a medical device for automated mapping of anatomical surfaces of a subject's heart with a remote navigation. The method may include one or more distinct movements for moving a medical device for mapping a portion of... | 05/26/2009 |
| 7537569 | Method and apparatus for detection of tachyarrhythmia using cycle lengths A multi-layer method for detecting atrial arrhythmias using ventricular cycle length information that includes performing a base layer algorithm for detecting the onset and offset of an atrial tachyarrhythmia. The multi-layer method further includes one or more high... | 05/26/2009 |
| 7527599 | Method of determining cardiac indicators A system and method for determining indicators of left ventricular function, and for determining the effectiveness of a cardiac therapy are disclosed. The indicators of left ventricular function can include isovolumetric relaxation time and the negative slope of a V... | 05/05/2009 |
| 7513874 | Determination of an average hemodynamic index for an active implantable medical device such as cardiac pacemaker, defibrillator, cardiovertor and/or multisite device An active implantable medical device such as a cardiac pacemaker, defibrillator, cardiovertor and/or multisite device that is able to determine and average a hemodynamic index parameter. The intracardiac impedance signal is correlated to the instantaneous blood flow... | 04/07/2009 |
| 7500955 | Signal compression based on curvature parameters For a sampled signal, storing characteristic points generated based on parameters corresponding to curvature of the signal. The characteristic points include a time of occurrence of a lobe in a curvature series based on the signal and a corresponding amplitude of th... | 03/10/2009 |
| 7485095 | Measurement and analysis of trends in physiological and/or health data System comprised of a portable medical device and method for registering at least one of electrocardiographic (ECG), magnetocardiographic (MCG), physical activity, body position, respiration, temperature, blood pressure, vasomotor activity, blood flow, neural activi... | 02/03/2009 |
| 7462153 | Method and system for modeling cardiovascular disease using a probability regession model A method and system for modeling cardiovascular disease using a probability regression model is provided. A parameter estimate of a probability regression model for cardiovascular disease can be generated using predictors derived from cardiovascular sound signals an... | 12/09/2008 |
| 7441123 | Method and apparatus for characterizing and estimating the parameters of histological and physiological biometric markers for authentication A plurality of electronic signals corresponding to a histological and/or physiological marker, such as a heartbeat, are obtained, from an individual and are converted into electronic signal form. The signals are measured to obtain an actual measurement of a pluralit... | 10/21/2008 |
| 7440790 | Method and apparatus for monitoring cardiac activity A method and apparatus for monitoring cardiac activity starting from a series of images of the heart made by X-rays. Attenuation of the X-rays is sampled on an area subject to repetitive thickenings of at least one wall of the heart, and a repetitive attenuation sig... | 10/21/2008 |
| 7435222 | Tele-diagnostic device A system, probe, and method for collecting a plurality of diagnostic information and transmitting the diagnostic information to a remote location. The system comprises a member contoured to at least a portion of a person's hand, and an interface unit in electrical c... | 10/14/2008 |
| 7435220 | Monitoring, system for cardiac surgical operations with cardiopulmonary bypass A monitoring system for cardiac operations with cardiopulmonary bypass comprising: a processor operatively connected to a heart-lung machine; a pump flow detecting device connected to a pump of the heart-lung machine to continuously measure the pump flow value and s... | 10/14/2008 |
| 7435223 | Identifying infants at risk for sudden infant death syndrome A method for identifying infants at risk for SIDS includes applying electrodes to an infant, receiving electrical signals from the electrodes, analyzing the received electrical signals to measure alternans of a heart of the infant, and identifying whether the infant... | 10/14/2008 |
| 7430447 | Evoked response and impedance measures for monitoring heart failure and respiration An exemplary method includes acquiring impedance values over one or more respiratory cycles, determining an impedance span based on the impedance values and, based at least in part on the impedance span, determining cardiac condition or respiratory condition. Anothe... | 09/30/2008 |
| 7421292 | System and method for controlling the recording of diagnostic medical data in an implantable medical device Techniques are provided for controlling the recording of diagnostic data, such as intracardiac electrogram (IEGM) data, so as to reduce device power consumption. In one technique, the risk of onset of an arrhythmia is evaluated and the recording of diagnostic data i... | 09/02/2008 |
| 7410467 | Active implantable medical device including means for the evaluation of intracardiac volume An active implantable medical device having a plurality of connection terminals able to be connected to electrodes placed in at least three distinct respective sites in a myocardium; circuits for measuring an intracardiac bio-impedance, comprising circuits for injec... | 08/12/2008 |
| 7412395 | Automated scheduling of emergency procedure based on identification of high-risk patient A system and a method for scheduling an emergency procedure in response to detecting that a patient has a high probability of acute myocardial infarction. The system is able to identify patients that are suspected of having acute myocardial infarction (or acute isch... | 08/12/2008 |
| 7412458 | Method, systems and apparatuses for managing specialized healthcare needs The present invention provides a healthcare management system for specialized healthcare needs. The healthcare management system may include at least one database. The healthcare management system may also include a data collection module. The data collection module... | 08/12/2008 |
| 7409241 | Monitoring the sympathico-vagal activity by analysis of endocardiac acceleration in an active implantable medical device An active implantable medical device having a function for monitoring the sympathico-vagal activity by an analysis of endocardiac acceleration. The device collects at least one physiological parameter of the patient, analyzes that collected parameter and delivers at... | 08/05/2008 |
| 7404802 | Trending of systolic murmur intensity for monitoring cardiac disease with implantable device Described is an implantable device configured to monitor for changes in the intensity and/or duration of a systolic murmur such as mitral regurgitation by means of an acoustic sensor. Such changes may be taken to indicate a change in a patient's heart failure status... | 07/29/2008 |
