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| Number | Title | Issue Date |
| 7930019 | Method and apparatus for phonocardiographic image acquisition and presentation A cardiac rhythm management system provides a phonocardiographic image indicative of a heart's mechanical events related to hemodynamic performance. The phonocardiographic image includes a stack of acoustic sensor signal segments representing multiple cardiac cycles... | 04/19/2011 |
| 7634309 | Tracking progression of congestive heart failure via a force-frequency relationship A system, method, or device monitor a force-frequency relationship exhibited by a patient's heart. A contractility characteristic, such as a heart sound characteristic of an S1 heart sound, is measured. The contractility characteristic indicates the forcefulness of ... | 12/15/2009 |
| 7599734 | Electronic endoscope system An electronic endoscope system with high operability and high observing performance capable of driving properly and automatically the light-emitting elements without the size increase in system is provided, even in the case of using a plurality of interchangeable op... | 10/06/2009 |
| 7424321 | Systems and methods for multi-axis cardiac vibration measurements A system to monitor heart sounds, such as to detect a worsening condition of heart failure decompensation. The system comprises a medical device that includes an implantable multi-axis heart sound sensor, operable to produce, for each of at least two nonparallel axe... | 09/09/2008 |
| 7302290 | Heart-activity monitoring with multi-axial audio detection Apparatus and associated methodology for monitoring correlatable anatomical electrical and sound signals, such as electrical and audio signals produced by human heart activity, including (a) attaching to a selected, common anatomical site ECG (or other) electrode st... | 11/27/2007 |
| 7260429 | Method and apparatus for phonocardiographic image acquisition and presentation A cardiac rhythm management system provides a phonocardiographic image indicative of a heart's mechanical events related to hemodynamic performance. The phonocardiographic image includes a stack of acoustic sensor signal segments representing multiple cardiac cycles... | 08/21/2007 |
| 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 |
| 7190994 | Method and system for generating a likelihood of cardiovascular disease, analyzing cardiovascular sound signals remotely from the location of cardiovascular sound signal acquisition, and determining time and phase information from cardiovascular sound signals A system, method, and computer executable code for generating a likelihood of cardiovascular disease from acquired cardiovascular sound signals is diesclosed, where the generated likelihood of cardiovascular disease is based at least on an overlapping in time of bru... | 03/13/2007 |
| 7177685 | Classifying tachyarrhythmia using time interval between ventricular depolarization and mitral valve closure A cardiac rhythm management system measures a time interval between a first fiducial marker indicative of a ventricular depolarization (e.g., a Q-wave, an R-wave, etc.) and a second fiducial marker indicative of a subsequent mitral valve closure (MVC) occurring duri... | 02/13/2007 |
| 7177672 | Coding heart rate information The invention relates to an arrangement for coding heart rate information, comprising means (600A, 600B) for measuring a person's heart beat intervals and means for storing (648) the measured heart beat interval information. The arrangement comp... | 02/13/2007 |
| 7155388 | Method and apparatus for characterizing inhalation noise and calculating parameters based on the characterization A method for characterizing inhalation noise within a pressurized air delivery system, the method including the steps of: generating an inhalation noise model (912, 1012) based on inhalation noise; receiving an input signal (802) that includes inhalati... | 12/26/2006 |
| 7149570 | Alarm activated acoustic measuring signals for patient monitoring A system and a method for monitoring a physiological parameter of a patient providing a measurement-modulated acoustic signal (7) after/when a measurement value of the monitored physiological parameter exceeds an alarm limit. ... | 12/12/2006 |
| 7135635 | System and method for musical sonification of data parameters in a data stream One embodiment of a musical sonification system and method receives a data stream including different data parameters. The sonification system may apply different sonification processes to the different data parameters to produce a musical rendering of the data stre... | 11/14/2006 |
| 7115102 | Electronic stethoscope system In a local stethoscope unit, acoustic auscultation sounds picked up by the stethoscope chest piece assembly of a local stethoscope unit are converted to analog electrical signals and then converted to digital signals. The digital signals are conveyed to a data commu... | 10/03/2006 |
| 7110804 | Combined electrical and audio anatomical signal sensor A combined audio and electrical anatomy-signal sensor which is designed to collect, essentially from a selected, common anatomical site, related audio and electrical anatomical signals, such as heart-produced signals. The sensor includes a unique body structure whic... | 09/19/2006 |
| 7096060 | Method and system for detection of heart sounds A method and system for automatically detecting heart sounds. The sound system receives sound data corresponding to beats of the heart. The sound system analyzes the sound data to detect the presence of a heart sound within the beats. The sound system then outputs a... | 08/22/2006 |
| 7079036 | Method and apparatus for alarm volume control using pulse width modulation There is provided herein a first preferred arrangement of the instant invention, wherein an electronic patient monitor utilizes a computer CPU as an alarm signal generator, which CPU is preferably directly connected to a power amplifier and/or a speaker without an i... | 07/18/2006 |
| 7074195 | Real-time, sound-quality-competitive, single-site from plural-site, anatomical audio signal selection A method and apparatus for gathering high-quality anatomical audio signals. Practice of the invention, which is illustrated herein in the context of heart-produced signals, is based upon gathering, and competitively processing audio signals collected simultaneously ... | 07/11/2006 |
| 7070570 | Method and means of physiological monitoring using sonification The invention resides in a respiratory sonification monitoring method and system for monitoring respiration in a subject including the use of capnometric means for measuring carbon dioxide concentrations, flowmeter means for measuring gas flow and volume of gas; mea... | 07/04/2006 |
| 7010342 | Method and apparatus for detecting and transmitting electrical and related audio signals from a single, common anatomical site A sensor designed to collect and convey single-site-related, body-produced electrical and acoustic signals, such as those related to heart activity, where electrical electrode and audio transducer structures lie along a common axis. A portion of the electrical elect... | 03/07/2006 |
| 7001338 | System and method for diagnosing pathologic heart conditions A method of diagnosing pathologic heart conditions in which a time series of heart sounds is filtered and parsed into a sequence of individual heart cycles. A systolic interval as well as systolic sub-intervals are identified for each heart cycle. The systolic inter... | 02/21/2006 |
| 6898459 | System and method for diagnosing pathologic heart conditions A method of diagnosing pathologic heart conditions in which a time series of heart sounds is filtered and parsed into a sequence of individual heart cycles. A systolic interval as well as systolic sub-intervals are identified for each heart cycle. An energy value is... | 05/24/2005 |
| 6792308 | Myocardial performance assessment Myocardial performance is assessed using a combination of electrical and mechanical criteria. More specifically, this assessment may be based on a QT interval based on electrogram (EGM) readings and on first and second heart sounds. The timing relationships between ... | 09/14/2004 |
| 6643548 | Implantable cardiac stimulation device for monitoring heart sounds to detect progression and regression of heart disease and method thereof A system and method for use in an implantable cardiac device permits the monitoring of progression and regression in heart disease, such as congestive heart failure. During a monitoring period, a sensing circuit produces an electrogram signal of the patie... | 11/04/2003 |
| 6269262 | Biomagnetic field measuring apparatus A biomagnetic field measurement apparatus includes a bed which holds a subject to be inspected in a shielded room. A cryostat holds a plurality of SQUID magnetometers at low temperature. The cryostat is arranged in the shielded room and the plurality of S... | 07/31/2001 |
| 6264614 | System and method for generating and transferring medical data A computer site includes a data generating source. The source may include a device (e.g. a heart monitor) which may be manipulated by the patient to sense a biological function or condition such as a heart beat. The device outputs an audible signal in res... | 07/24/2001 |
| 6048322 | Morphometric measurement tool A tool for measuring the oral cavity. The tool includes a first measuring member having a first leg portion and a dial portion with graduations provided thereon and a second measuring member having a second leg portion and a pointer. The pointer moves acr... | 04/11/2000 |
| 5935081 | Long term monitoring of acceleration signals for optimization of pacing therapy An implantable monitor for collecting and storing for later telemetric readout physiologic data relating to cardiopulmonary performance. The monitor device includes an accelerometer and associated signal processing circuitry for analyzing the acceleromete... | 08/10/1999 |
| 5807268 | Disposable sensing device with contaneous conformance The present invention relates to a sensing device for capturing acoustic heart sounds. The sensing device has a diaphragm formed from a piezoelectric transducer material which generates excitation signals in response to acoustic and vibratory energy outpu... | 09/15/1998 |
| 5730140 | Sonification system using synthesized realistic body sounds modified by other medically-important variables for physiological monitoring A method and apparatus are described for converting physiological information into sound, suitable for such applications as anesthesiological, intensive-care or exercise monitoring. Complex, realistic bodily sounds (e.g., heartbeat sound and/or breathing ... | 03/24/1998 |
| 5159932 | Myocardial ischemia detection system A method and apparatus for non invasively monitoring the motion of the patient's heart, to detect and display ischemia induced variations in the heart's motion which indicate coronary artery disease.... | 11/03/1992 |
| 5035247 | Sensor for non-invasive measurement of sound, pressure and vibration on the human body The invention relates to a sensor (1) for non-invasive measurement of sound, pressure and vibration on the human body which features a transducer in the form of a transducer membrane (23) to achieve a very good response characteristic coupled with low wei... | 07/30/1991 |
| 4905706 | Method an apparatus for detection of heart disease A method and apparatus for detection of coronary artery disease. The apparatus records and analyzes that portion of the phonocardiogram lying between about 100 to 600 Hz. An electrocardiogram is also recorded and examined in order to pinpoint the diastoli... | 03/06/1990 |
| 4784153 | Method of and apparatus for detecting cardiac rhythm disturbance A method for generating audio information to indicate the presence and nature of a cardiac rhythm disturbance is disclosed. More specifically, this method produces sounds which accompany atrial and ventricular ectopic rhythms, allowing the physician to ap... | 11/15/1988 |
| 4754762 | EKG monitoring system An audio-visual EKG monitoring system that segments components of the patient's EKG waveform and synthesizes a plurality of audio driving signals, each representing peak values of the segmented components, and also derives similar peak value signals for d... | 07/05/1988 |
| 4576178 | Audio signal generator A system is disclosed that includes an audio signal generator to provide a distinguishable audible output that varies in accordance with a monitored input. The audio signal generator varies a parameter of the audible output, such as frequency or amplitude... | 03/18/1986 |
| 3938507 | Portable heart monitor A portable heart monitoring apparatus incorporating unique structural and functional features. Electrodes carried on the apparatus capture electrical signals representing the functioning of a heart beating therewithin and provides sensible output indicati... | 02/17/1976 |
