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| Number | Title | Issue Date |
| 8185191 | Pulse monitoring and warning system for infants A pulse monitoring and warning method and system comprising a sensor disposable over an individual's heart and configured to sense a heart rate, the sensor configured to transmit a wireless signal; and a monitor configured to continuously receive a wireless signal f... | 05/22/2012 |
| 7890162 | Method and apparatus for sensing improvement using pressure data Method and apparatus for sensing improvement using pressure data. The method and apparatus may be used in an implantable medical device to confirm that an EGM event signifies a true mechanical cardiac activity and not just electrical oversensing. The mechanical acti... | 02/15/2011 |
| 7813791 | Systems and methods for employing an FFT to distinguish R-waves from T-waves using an implantable medical device A Fast Fourier Transform (FFT) converts time-varying event waveforms into the frequency domain waveforms to thereby decompose the events into their spectral components, which are analyzed to distinguish R-waves from T-waves. In some embodiments, the FFT is only acti... | 10/12/2010 |
| 7797039 | Method for recognizing the heartbeat and for calculating quantities acquired from the heartbeat The present invention relates to a method for recognizing and measuring heartbeat in physical training, in which method individual heartbeats are recognized and measured from the electrical signal of the heart, the EKG signal, on the area of waist and/or on the body... | 09/14/2010 |
| 7706870 | Method for analyzing irreversible apneic coma (IAC) An method for analyzing irreversible apneic coma (IAC) for determining the presence of irreversible apneic coma (IAC) by analyzing the heart rate variability of a brain traumatic patient, thereby providing a physician a reference index to determine whether brain dea... | 04/27/2010 |
| 7369969 | Holding device for a sensor signal, method for forwarding a sensor signal and computer program A holding device for a sensor signal comprises a signal input receiving a sensor signal, a signal output and a storage device coupled to the signal input and output. The storage device is designed to store a signal value in a first state and to update it based on th... | 05/06/2008 |
| 7361874 | Auto focusing mechanism of surveying instrument An auto focusing mechanism is provided in a surveying instrument, such as an electronic level, that is capable of automatically focusing a telescope on a sighted staff. As a focusing lens (21b) is moved by a motor (41) along the optical a... | 04/22/2008 |
| 7330761 | Baseline adaptation for cardiac pacing response classification Methods and devices for establishing and using baseline for cardiac pacing response detection are described. A baseline amplitude of the cardiac signal may be established using data acquired in an evaluation interval prior to the delivery of the pacing pulse. An amp... | 02/12/2008 |
| 7291111 | Apparatus and method for non-invasive diagnosing of coronary artery disease A non-invasive diagnostic tool and method for detecting an obstruction in a coronary artery, the diagnostic tool including a signal processor adapted to receive signals corresponding to a heart beat from a plurality of acoustic sensors attached to the chest of a pat... | 11/06/2007 |
| 7289845 | Curvature based method for selecting features from an electrophysiologic signal for purpose of complex identification and classification A method for curvature based complex identification and classification comprises sensing a cardiac signal and computing curvatures at sample points on the sensed cardiac signal. Then to extract features from the computed curvatures, and compare the extracted feature... | 10/30/2007 |
| 7235050 | Implantable device for processing neurological signals An implantable device comprising a sensing unit, wherein the sensing unit is adapted to rectify biological/neurological signals in the form of sensed electrical signals from body tissue adjacent to the location of the implantable device. The sensing unit of the impl... | 06/26/2007 |
| 7228167 | Method and apparatus for detecting vagus nerve stimulation A method and apparatus for monitoring the application of a vagus nerve stimulation signal includes a detection circuit having an amplifier, a filter, and a signal prolongation circuit. The signal prolongation circuit rectifies a detected vagus nerve signal and provi... | 06/05/2007 |
| 7215993 | Cardiac rhythm management systems and methods for detecting or validating cardiac beats in the presence of noise This document describes systems, devices, and methods for detecting or validating cardiac beats, such as in the presence of myopotential or other noise. In one example, an amplitude peak, which is a candidate for a detected cardiac beat, is used in a weighted averag... | 05/08/2007 |
| 7209779 | Methods and software for retrospectively gating a set of images Methods, devices, and software for selecting image slices. The image slices are preferably taken during a quiet part of the patient's heart cycle in which the heart is relatively motionless so as to reduce blurring and the introduction of artifacts into the resultan... | 04/24/2007 |
| 7200505 | Methods and systems for identifying recurrent patterns Systems and methods are disclosed for identifying recurrent patterns. In one embodiment, a method comprises: estimating a power spectral density of a time series; determining a duration-level associated with a peak in the power spectral density; and aggregating the ... | 04/03/2007 |
| 7190820 | Registration of nuclear medicine images A method of registering a plurality of functional images includes providing a plurality of functional images, providing a plurality of structural images, each one of which having a known positional relationship to at least one of said plurality of functional images,... | 03/13/2007 |
| 7181269 | Implantable device that diagnoses ischemia and myocardial infarction and method An implantable device detects and discriminates between ischemia and myocardial infarction. The device includes a plurality of electrodes that provide a plurality of cardiac activity sensing electrode configurations. A sensing circuit provides a plurality of electro... | 02/20/2007 |
| 7174204 | Methods for quantifying the morphology and amplitude of cardiac action potential alternans Methods and apparatus for determining T-wave alternan signatures (i.e., morphology and polarity) derived from a physiologic signal representative of a subject's heart activity; assessing changes in the myocardium Action Potential (“AP”) through analysis of the a... | 02/06/2007 |
| 7171259 | Method and device for measuring heart rate, and method for manufacturing the device A heart rate measuring device is attached around a user's hand, the device having an inner surface, which is in contact with the skin on the hand to which it is attached, and an outer surface, which is other than the inner surface. The inner surface of the measuring... | 01/30/2007 |
| 7171269 | Method of analysis of medical signals A method of analysis of medical signals which uses wavelet transform analysis to decompose cardiac signals. Apparatus for carrying out the method, and cardiac apparatus adapted to employ the method are also described. ... | 01/30/2007 |
| 7155275 | Method and apparatus for adjusting cardiac event detection threshold based on dynamic noise estimation An implantable cardiac rhythm management (CRM) device includes a sensing and detection circuit that senses at least one cardiac signal and detects cardiac electrical events from the sensed cardiac signal using a detection threshold that is adjusted based on a dynami... | 12/26/2006 |
| 7155282 | Automatic sensitivity control and method for use in an implantable cardiac stimulation device A threshold sensing control for use in an implantable cardiac stimulation device controls the sensing of cardiac activity during a current cardiac cycle of a heart while avoiding sensing a T wave. The system includes a sensing circuit that senses cardiac activity of... | 12/26/2006 |
| 7146206 | Detection of cardiac arrhythmia using mathematical representation of standard ΔRR probability density histograms A method and a system for detecting cardiac arrhythmias that includes detecting RR intervals of the patient wherein each RR interval is an interval between two heart beats, and simulating standard probability density histograms of ΔRRs by means of a suitable probab... | 12/05/2006 |
| 7139605 | Heart rate monitor A method for analyzing an EKG signal in real time to produce a heart rate indication. The most recent digitized samples of the EKG are stored in a buffer and evaluated to identify each R-wave peak sample value that (a) immediately precedes and is larger that the mos... | 11/21/2006 |
| 7130682 | Pacing and sensing vectors A method for allowing cardiac signals to be sensed and pacing pulse vectors to be delivered between two or more electrodes. In one embodiment, cardiac signals are sensed and pacing pulse vectors are delivered between least one of a first left ventricular electrode a... | 10/31/2006 |
| 7123953 | Method and system for evaluating arrhythmia risk with QT-RR interval data sets A method of assessing the cardiac arrhythmia risk in a subject to provide a measure of cardiac or cardiovascular health in that subject is described herein. In one embodiment, the method comprises the steps of: (a) collecting at least one QT and RR interval data set... | 10/17/2006 |
| 7120485 | Method and system for detection of cardiac arrhythmia There are many different serious cardiac arrhythmias. The present invention uses measurements of RR intervals (interbeat intervals) to detect, in particular but not exclusively, atrial fibrillation of a patient. Atrial fibrilation is a serious ailment in which the h... | 10/10/2006 |
| 7103101 | Method and system for blind Karhunen-Loeve transform coding A method, system, and computer program product for blind Karhunen-Loeve transform (KLT) coding is disclosed, wherein KLT coefficients and possibly additional information are transmitted without transmitting KLT basis vectors. Instead the KLT basis vectors are estima... | 09/05/2006 |
| 7099380 | Apparatus for antenna diversity for wireless communication and method thereof A method and an apparatus for selecting an antenna from an antenna diversity array in a wireless communication system are provided. The method includes the steps of modulating an incoming signal with a spread-spectrum type modulation, measuring a signal quality valu... | 08/29/2006 |
| 7069069 | Implantable cardiac device for and method of monitoring progression or regression of heart disease by quantifying morphological features An implantable cardiac device and method provides for monitoring a progression or regression in heart disease during an extended time period. A sensor generates an electrogram signal representing electrical activity of a patient's heart. From the generated electrogr... | 06/27/2006 |
| 7027858 | Methods and apparatus for cardiac R-wave sensing in a subcutaneous ECG waveform The present invention uses a R-wave sensing algorithm that uniquely combines an automatic threshold adjustment method with a new noise rejection technique. This algorithm has significant advantages in avoiding the sensing of T-waves, P-waves, and noise/artifacts. De... | 04/11/2006 |
| 7013178 | Implantable medical device communication system An implantable medical device communication system communicates information between an implantable medical device and at least one slave device by way of a two-wire bus. Slave devices may include remote sensors and other implantable medical devices. The implantable ... | 03/14/2006 |
| 6980860 | Detection of supraventricular tachycardia with 1:1 atrial to ventricular conduction The invention is directed to method and process for discriminating supraventricular tachycardia (SVT) with 1:1 atrial to ventricular conduction (AV conduction). Upon detection of a rapid heart rate, an implanted medical device may determine whether the rhythm exhibi... | 12/27/2005 |
| 6978181 | Inter-programmer communication among programmers of implantable medical devices A telemetry architecture is described that enables multiple programmers to concurrently interact with associated implantable medical devices within a viable telemetry range. The programmers communicate with implantable medical devices over one or more communication ... | 12/20/2005 |
| 6968236 | Ceramic cardiac electrodes A cardiac electrode termination pair system that is particularly compatible with Magnetic Resonance Imaging (MRI) procedures. The electrodes include tip and ring electrodes made of a body-compatible ceramic on which is applied via electroplating, sputtered or the li... | 11/22/2005 |
| 6942622 | Method for monitoring autonomic tone A method for monitoring the progression of the hemodynamic status of a patient by tracking autonomic tone. For example, the method may be applied to patients suffering from heart failure, diabetic neuropathy, cardiac ischemia, sleep apnea and hypertension. An implan... | 09/13/2005 |
| 6944495 | Methods for processing electrocardiac signals having superimposed complexes Computer implemented methods and associated systems are disclosed for processing electrical signals recorded from the heart and, more particularly, for objectively deriving sub-components and comparing signals and their sub-components. ... | 09/13/2005 |
| 6941166 | Software controlled electrophysiology data management Methods for conducting an electrophysiology procedure using a programmed machine are described, including methods for managing discrete data capture requests received throughout the course of an electrophysiology procedure and for discretizing the display of indepen... | 09/06/2005 |
| 6937888 | Signal evaluation method for detecting QRS complexes in electrocardiogram signals A signal evaluation method for detecting QRS complexes in electrocardiogram (ECG) signals comprises the following steps: sampling of the ECG signal (4) and conversion into discrete signal values (x(n)) in chronological order... | 08/30/2005 |
| 6937750 | Registration of nuclear medicine images A method of registering a plurality of functional images includes providing a plurality of functional images, providing a plurality of structural images, each one of which having a known positional relationship to at least one of said plurality of functional images,... | 08/30/2005 |
