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6438412 |
Memory loop ECG recorder with continuous recording
An ECG recorder is provided that includes a processor configured to perform the ECG data sampling routine while performing additional routines, such as transmitting stored ECG events and setting...
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6370423 |
Method for analysis of biological voltage signals
Method of analyzing biological signals representative of voltage changes, including obtaining an analog biological signal representative of voltage changes, using digital processing software to...
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6226544 |
Living body internal active source estimation apparatus
Obtaining fast dipole size estimation with less influence of noise by using a regional dipole model. An artificial neural network section 30 executes regional dipole size estimation using a neural...
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6104948 |
Method for visually integrating multiple data acquisition technologies for real time and retrospective analysis
A system for display on a single video display terminal of multiple physiological measurements is provided. A subject is monitored by a plurality of instruments which feed data to a computer...
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5895404 |
Apparatus and methods for percutaneously forming a passageway between adjacent vessels or portions of a vessel
Apparatus and methods for percutaneously forming a passageway between adjacent vessels, a vessel and an organ, or different regions of an organ are provided comprising first and second catheters...
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5879342 |
Flexible and reinforced tubing
Disclosed herewithin is the method of manufacture and apparatus design of a reinforced and flexible tube or catheter that can be used in a variety of applications. The reinforced and flexible tube...
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5842978 |
Supplemental audio visual emergency reviewing apparatus and method
A supplemental emergency reviewing apparatus and method includes the operative steps of connecting a medical monitoring system to a patient and monitoring a selected function of the patient to...
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5678562 |
Ambulatory physiological monitor with removable disk cartridge and wireless modem
An ambulatory physiological monitor includes a high capacity, plug connectable magnetic disk cartridge for storing physiological data and analysis software. The disk cartridge is easily removable...
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5606978 |
Heart monitoring apparatus
An ambulatory heart monitoring apparatus (1) is provided with a slot (3) for receiving an IC card (2). A user places electrodes (7,8) on his body. Operation of a switch (5) causes the apparatus to...
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5601089 |
Method and apparatus for boosting the amplitude of ECG signals within a predetermined frequency range
An ECG recorder and playback unit which includes software-implemented digital signal processing filters which compensate for phase and magnitude distortion occurring when an ECG signal is recorded...
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5553623 |
Method for calibrating a system for recording and playing back ECG signals
An ECG recorder and playback unit which includes software-implemented digital signal processing filters which compensate for phase and magnitude distortion occurring when an ECG signal is recorded...
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5474079 |
Signal acquisition method
A signal acquisition method comprises the steps of recording ECG data signals on a tape in a first direction through a first high pass filter; and acquiring the data from the tape in an analyzer in...
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5467774 |
Method and system for precise time based presentation of recorded medical data
The method and system for precise time based presentation of recorded medical data, such as cardiac data, encephalographic data, fetal monitor data or the like, which has been recorded on an...
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5433209 |
Recorder unit for ambulatory ECG monitoring system
A Holter-type recorder unit for use with an ambulatory ECG recording system is described. The invention features real-time beat differentiation, including ST analysis and paced beat analysis of two...
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5406955 |
ECG recorder and playback unit
An ECG recorder and playback unit which includes software-implemented digital signal processing filters which compensate for phase and magnitude distortion occurring when an ECG signal is recorded...
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5305202 |
Ambulatory ECG analysis system
An ECG analysis system for use in conjunction with an ambulatory ECG recorder. The invention includes a playback deck which is capable of receiving and downloading information from a cassette tape...
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5228450 |
Methods and apparatus for ambulatory physiological monitoring
An ambulatory physiological monitor includes an input for receiving physiological data such as electrocardiography (ECG) data from a patient. This data is transferred to a disk drive by a processor...
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5205295 |
Method and apparatus for holter recorder with high resolution signal averaging capability for late potential analysis
A method and apparatus for an ambulatory electrocardiographic monitoring system for recording, detection, measurement, analysis and plotting of high resolution electrocardiographic data having a...
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4999772 |
Sleep screening system with time based modulated data
A portable sleep monitoring system for recording on tape, transcribing and charting a plurality of physiologic data channels recorded relative to a known constant, user-transparent time base....
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4989610 |
Method and system of ECG data review and analysis
A method and computerized system for ECG data review and analysis are provided. In preferred embodiments, a transformation is performed on beat data and the transformed data are categorized into...
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4883065 |
Micropotential analyzer--a Holter system with comprehensive analysis capability for very low amplitude electrocardiographic signals and method
A system for detection, measurement, analysis and plotting of electrocardiographic signals with amplitudes ranging down to one microvolt (micropotentials) employing long term ambulatory (Holter)...
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4794532 |
Virtual arrhythmia system
A patient arrhythmia monitoring system having a plurality of bedside stations that can derive physiological data for a patient coupled thereto, a central station, a bus for providing communication...
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4703372 |
Portable electrocardiographic recorder
A portable recorder has a pinch roller moved to engage a capstan, a recording head brought into a recording position and a motor to power the recorder switched on through the sliding movement of a...
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4696306 |
Electrocardiogram playback system and method
A system and method for minimizing time-base fluctuations in playing back an electrocardiogram recorded on one track of a multi-track magnetic tape with reference clock signals recorded on another...
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4580576 |
ECG recorder
An ECG recorder apparatus includes a recorder and a lead arrangement comprising a pair of manually operable resiliently biased jaws carrying electrodes. The electrodes are connected via a...
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4535783 |
Personal electrocardiology recorder
A personal electrocardiology recorder having body electrodes for detecting heart action signals, an amplifier, a signal converter for converting the detected signals into signals recordable on...
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4532934 |
Pacemaker monitoring recorder and malfunction analyzer
A system for ambulatory monitoring and subsequent analysis and evaluation of pacemaker performance includes a recorder module which detects pacemaker spikes and in response to each spike generates...
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4457312 |
Method and apparatus for providing records of events during a cardiac arrest
To provide accurate reconstructable records of the events and therapy administered during a cardiac arrest, flow sheets are attached to the top of a timing clipboard. Each row of the flow sheet...
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4457315 |
Cardiac arrhythmia detection and recording
Cardiac arrhythmias are detected by measuring the duration of the first derivative of the QRS component signal of a cardiac rhythm and comparing such duration to a running average duration, and/or...
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4411272 |
Miniature, battery-powered cathode ray tube display heart monitor
A lightweight, small size, battery-powered cardioscope is provided which can be readily transported along with a patient whose heart is being monitored and conveniently mounted directly adjacent to...
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4333475 |
Ambulatory cardiac monitoring system
An ambulatory cardiac monitoring system (10) to event record and monitor ECG signals (20) from a patient (12) for a predetermined time interval. The ambulatory cardiac monitoring system (10)...
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D262401 |
ECG Tape playback/recorder/monitor/analyzer system
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4291703 |
Pacemaker monitoring recorder
A recorder for monitoring the operation of a cardiac pacemaker and the response of the patient to the pacemaker includes a recorder module which receives a composite signal including an ECG signal,...
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4211238 |
Apparatus and method for recording and playing back electrocardial signals
A system for encoding, recording, playing back, decoding, validating, and displaying cardiac signals obtained from a patient during ambulatory monitoring. The system permits the recording on a...
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4183354 |
Ambulatory electrocardiographic recorder
A recording device using a portable recorder, such as a small, battery powered tape recorder, carried on the person and provided with electrodes for attachment to the body of the user, the...
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D253609 |
Portable EKG monitor/EKG recorder or the like
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4173971 |
Continuous electrocardiogram monitoring method and system for cardiac patients
A system which is capable of allowing an attending physician to continuously monitor the electrocardiogram (ECG) signals produced by a cardiac patient. The signals, generated by the patient, are...
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4154231 |
System for non-invasive cardiac diagnosis
A system for detecting, quantizing, and displaying simultaneously on a single recording a wide panorama of cardiac diagnostic information including data inputs from EKG, phono-doppler, sound, and...
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4098267 |
System for display and analysis of physiological signals such as electrocardiographic (ECG) signals
A system is described for displaying several lines of electrocardiographic (ECG) signals on a cathode ray tube screen for observation, analysis and selection of those portions of the signals which...
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4033336 |
System for sensing and recording medical information
A system for sensing and recording items of medical information relating to the human body includes a plurality of sensing devices responsive to various parameters associated with the human body...
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3913567 |
Electrocardiac information monitoring apparatus
Disclosed is electrocardiographic monitoring apparatus including a magnetic tape recorder having a dual channel input for receiving and recording EKG signal information from a human being...
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3910260 |
Method and apparatus of treating heart attack patients prior to the establishment of qualified direct contact personal care
A method of treating coronary prone individuals between the time that heart attack symptoms occur and qualified direct contact personal care can be administered which comprises providing each of a...
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3874370 |
Electrocardiographic waveform analyzer
There is disclosed a system for reviewing ECG signals at high speed. Successive ECG waveforms are superimposed on each other in a display, but the rate at which traces of the waveforms are formed...
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3853119 |
METHOD AND SYSTEM FOR DISPLAY OF ELECTROCARDIOGRAPHIC (ECG) SIGNALS
The method and system is described for displaying electrocardiograhic (ECG) signals on a cathode ray oscilloscope. The R wave components of the recurring ECG signals are detected and used to...
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3799148 |
TWO RECORDER APPARATUS FOR MONITORING HEART ACTION
Apparatus for monitoring the heart action of one or more coronary patients comprises an electrocardiograph (EKG) for each patient, a direct recorder connected to the EKG's for providing an...
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3717141 |
SYSTEM FOR PROVIDING A MULTI-LEVEL CURRENT DENSITY DIAGRAM OF A HUMAN BODY ORGAN
The system includes means for obtaining potential signals from discrete locations on the skin surface surrounding the organ in question. These signals, which are analog in nature, are converted to...
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3650263 |
MONITORING SYSTEM
The electrocardiographic signals are continuously recorded along a track on an endless magnetic tape within the portable magnetic tape recorder as the subject goes about his normal activities so...
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3267933 |
Ekg computer
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3229687 |
Electrocardio recording and reproducing system
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3215136 |
Electrocardiographic means
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