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6161038 |
Non-invasive monitoring of hemodynamic parameters using impedance cardiography
A method and apparatus for determination of heart rate, heart stroke volume, heart stroke volume, and cardiac output from thoracic bioimpedance signals and electrocardiograms. A unique bioimpedance...
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6152884 |
Method and instrument for examination of heart/arteries using microphones
A method for examination of heart/arteries to obtain information in form of measurement results as a basis for exact diagnosis, where electrodes are placed on suitable areas of the body to provide...
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6132381 |
Intramyocardial anomalous activity detection by subtracting modeled respiratory effect
A technique of detecting repeating patterns of anomalous intramyocardial Wenckebach electrical activity in a patient is provided. The method of the technique deals with determining the presence or...
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6129677 |
Non-invasive heart monitoring apparatus and method
An apparatus for non-invasion heart monitoring includes electrocardiogram measuring means (1) for measuring electrocardiograms, pulse wave measuring means (2) for measuring pulse waves, and a CPU...
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6125296 |
Electrocardiographic and oxygen saturation signal recording
A portable machine records electrocardiographic signals and oxygen saturation signals in a removable memory device provided by an oxygen saturation sensor attached to a patient and patient lead...
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6112115 |
Method and apparatus for determining cardiac performance in a patient
The present invention pertains to an apparatus for determining cardiac performance in a patient. The apparatus comprises a conductance catheter which can be excited with multiple frequencies for...
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6095984 |
Arrhythmia detecting apparatus
The arrhythmia detecting apparatus of the present invention is provided with a pulse wave detecting means which non-invasively detects the pulse waveform, and an arrhythmia detecting means which...
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6081742 |
Organism state measuring device and relaxation instructing device
Devices are known for measuring a subject's respiratory rate based on the subject's pulse wave or level of electrocardiogram. When the subject is exercising or carrying out daily activities,...
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6077236 |
Apparatus for monitoring cardiac contractility
Apparatus for monitoring cardiac contractility comprises a catheter having a tip for insertion into the ventricle of the heart muscle. At or proximate the tip is an acceleration transducer...
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6078834 |
Device and method for detection and treatment of syncope
The invention disclosed herein relates to an implantable medical device for detection and treatment of syncope comprising an algorithm for determining the presence of syncope based on physiological...
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6067466 |
Diagnostic tool using a predictive instrument
A method for evaluating a medical condition of a patient including the steps of monitoring one or more clinical features of a patient; based on the monitored features, computing a primary...
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6011989 |
Patient monitoring apparatus
An electrocardiogram signal derived from electrocardiogram measuring means 1 and a pulse signal derived from pulse-wave measuring means 2 are applied to a CPU 30. The CPU 30 processes the...
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5971930 |
Method and apparatus for removing artifact from physiological signals
A heart rate value determined from a first physiological signal that is acquired independently from a second physiological signal, is used to control a band pass filter for controllably bandpass...
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5942986 |
System and method for automatic critical event notification
A critical event notification system continuously monitors patient statistics and lab data to detect critical events, and automatically pages a responsible physician or physicians, each having an...
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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...
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5931791 |
Medical patient vital signs-monitoring apparatus
A portable multiple-vital signs monitor unit of the described apparatus is of ultra-light weight, e.g. less than one pound. In its preferred embodiment, the portable unit takes the form of a right...
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5919141 |
Vital sign remote monitoring device
A device for remote monitoring of hospitalized patient vital signs is incorporated into a portable housing, wearable by an ambulatory patient. Interfaces are provided for external connection of...
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5913308 |
Apparatus and method for determining respiratory effort from muscle tremor information in ECG signals
An apparatus for determining the respiratory effort of a patient is disclosed. The apparatus includes a device for acquiring electrocardiographic (ECG) signal (e.g., conventional electrocardiogram...
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5902250 |
Home-based system and method for monitoring sleep state and assessing cardiorespiratory risk
A method for determining the sleep state of a patient includes monitoring heart rate variability of the patient and determining sleep state based on the heart rate variability. The method also may...
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5879308 |
Procedure for measuring a patient's impedance
The present invention relates to a procedure for measuring a patient's impedance. Based on the impedance, it is possible to monitor the patient's respiration and/or blood circulation. In the...
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5865762 |
Module for recording the instantaneous heart rate and portable module for working same
The invention relates to a portable module for recording the cardiac activity of a person with the aid of a device delivering an ECG signal. The device includes a main energy source connected to a...
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5865761 |
Apparatus for detecting blood pressure and electrocardiographic waveforms
An apparatus that detects both the blood pressure and the electrocardiographic waveform of a living subject and that can be quickly and easily fitted to the living subject includes a cuff that is...
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5846206 |
Method and apparatus for monitoring and estimating the awakeness of a person
For monitoring and estimating a person's wakefulness, a stationary pressure sensor contacts part of that person's body and generates a signal corresponding to that person's body movements relative...
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5830148 |
System and method for evaluating the autonomic nervous system of a living subject
A system and method evaluates the autonomic nervous system of a living subject based on the high frequency components present in the fluctuations of the living subject's pulse cycle and on the low...
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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...
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5803911 |
Electrocardiographic waveform detection system
A system for reliably and accurately measuring the electrocardiographic waveform generated by a subject's cardiac muscle includes electrocardio electrodes that have multiple openings on their...
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5794623 |
Intramyocardial Wenckebach activity detector
An intramyocardial activity detector for detecting repeating patterns of irregular intramyocardial Wenckebach activity in the heart of a patient is provided. The apparatus includes a mechanism...
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5791342 |
Medical data transmission system
A medical data transmission system which, at the transmitting end, is comprised of a detection means for the detection of various physiological parameters of a patient and a pre-transmission...
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5788634 |
Multi purpose sensor
The multi-purpose sensor includes a pair of arms, light-emitting device and light-receiving device that are fitted in an end portion of the arms, respectively, and electrodes that are made of an...
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5782772 |
Device and method for determination of the individual anaerobic threshold of a living organism
A device for dynamic recording of respiratory, metabolic and/or ventilatory quantities during a process or influence conducive to lactate production, having a data processing facility (18)...
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5772600 |
Coherent pattern identification in non-stationary periodic data and blood pressure measurement using same
A method and apparatus for automatically recognizing meaningful patterns in non-stationary periodic data is provided. The invention may be used in making measurements of physiological phenomena,...
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5771897 |
Method of and apparatus for quantitative evaluation of current changes in a functional state of human organism
A quantitative evaluation of current changes in a functional state of a human organism is performed by evaluation of characteristics of interaction processes of at least two different physiological...
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5765563 |
Patient monitoring system
A method and apparatus for performing scoring analysis of the pathological sleep events of apnea, hypopnea and desaturation of a patient from a sampled data set of only three sensor signals,...
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5746212 |
Process and device for measuring vital fetal parameters during labor and delivery
A process for measuring vital, fetal parameters during parturition. It is essential in this process that the blood pressure of the fetus is discontinuously measured in the arterial system by...
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5735284 |
Method and system for non-invasive determination of the main cardiorespiratory parameters of the human body
A method and a system for non-invasively determining at least one main cardiorespiratory parameter of an individual, such as the Stroke Volume, at least one parameter characterizing balance of the...
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5735286 |
Apparatus and process for measuring and processing physiological signals
An apparatus and process for measuring and processing physiological signals is portable, and have a device for capturing (3, 3'), shaping (4, 4') and digitizing (5) continuously at least one...
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5685314 |
Auxiliary docking station for a patient monitoring system
A monitor system for acquiring medical data from a plurality of sensors adapted for coupling to a patient located in a given patient monitoring area. The system comprises a portable monitor, a...
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5645068 |
Methods and apparatus for ambulatory and non-ambulatory monitoring of physiological data using digital flash storage
A battery operable ambulatory and non-ambulatory patient monitoring system that includes storage to a solid-state flash memory which storage is controlled in a manner to optimize power consumption,...
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5626143 |
Portable cordless cardiopulmonary arrest recorder and method
A portable cordless cardiopulmonary arrest recorder is provided by this invention. The arrest recorder is used by the attending personnel at the treatment site for a cardiac-arrest patient. It has...
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5615684 |
Medical device for detecting hemodynamic conditions of a heart
A device for detecting hemodynamic conditions in a heart, in particular conditions corresponding to dangerous arrhythmias contains a sensing unit for a physiological variable, such as blood...
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5588425 |
Method and apparatus for discriminating between valid and artifactual pulse waveforms in pulse oximetry
A method and apparatus for use in pulse oximetry for discriminating between valid pulse waveforms and artifactual pulse waveforms. Systolic upstroke times for valid pulse waveforms are in a...
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5584297 |
Process and equipment for diagnosing circulation (cerebrovascular) disorders
A method and apparatus diagnose a circulation disorder in a patient, and in particular, predict whether a patient is likely to suffer a stroke. The diagnosis is made based on a patient's responses...
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5579775 |
Dynamic control of a patient monitoring system
A flexible patient monitoring system which interfaces a telemetry subsystem with a network by way of a telemetry transmission receiving system and a network controller. The telemetry subsystem...
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5576952 |
Medical alert distribution system with selective filtering of medical information
The present invention relates to a medical alert distribution system which receives medical information (e.g. blood pressure, blood chemistry test results, etc.) from monitoring units worn by...
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5544661 |
Real time ambulatory patient monitor
A patient monitoring system which includes a portable device and a central station. The portable device includes an ECG and a photo-plethysmograph connected to the patient; arrhythmia analysis...
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5520190 |
Cardiac blood flow sensor and method
A cardiac blood flow sensor includes a light source and a photodetector within a housing. The light source projects a beam through a fiber optic line having a first end optically connected to the...
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5497778 |
Apparatus and method for noninvasive measurement of peripheral pressure pulse compliance and systolic time intervals
Systolic time intervals provide a basis for the determination of total electromechanical systole and offer a physiologic approach to cardiovascular assessment. In addition, examination of the pulse...
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5482037 |
Electrode catheter for mapping and operating on cardiac cavities
An electrode catheter for intravenous insertion into a cavity of the heart comprises a tubular sheath accommodating a first spiral wound wire of conductive biocompatible material, which affords an...
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5465729 |
Method and apparatus for biofeedback
A method and apparatus for mediating a biofeedback session with a human subject in which measurements of electrophysiological quantities are used to control the presentation to the subject of a...
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5447164 |
Interactive medical information display system and method for displaying user-definable patient events
An interactive medical information display system and method for displaying user-definable patient events is provided. The system includes a mechanism for acquiring physiological parameters from a...
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