Matches 351 - 380 out of 380 < 1 2 3 4 5 6 7 8
Match Document Document Title
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...
3861387 CARDIAC ARRHYTHMIA DETECTOR  
A selective circuit is provided for passing certain parts of, and information contained in, a complex input waveform containing both desired signals and undesired noise components. The circuit is...
3832994 CARDIAC MONITOR  
A cardiac monitor provides a real time analysis of critical cardiac functions. The cardiac monitor includes a first unit which, via a plurality of electrodes, is utilized to sense atrial and...
3828768 METHOD AND APPARATUS FOR DETECTING CARDIAC ARRHYTHMIAS  
A continuous electrical wave representing the electrical action of a patient's heart is produced (the ECG wave). Frequency components of the ECG wave that lie predominantly below the frequency...
3824990 METHOD AND APPARATUS FOR PRODUCING SAMPLE ELECTROCARDIOGRAMS  
An electronic instrument for medical use measures the time intervals between QRS complex portions of the electrical signal wave representing heartbeats. The intervals are quantized in digital form....
3823708 TACHYCARDIA DETECTOR  
A selective circuit is provided for passing only selected waveforms of a desired polarity from a complex input waveform. The circuit is particularly adapted for use in a heart ventricular...
3809071 METHODS AND MEANS FOR THE DETECTION AND IDENTIFICATION OF LOW LEVEL COMPONENTS OF THE ELECTROCARDIOGRAM COMPLEX WITHOUT LOSS OF REFERENCE TO THE HIGHER LEVEL COMPONENTS  
By this invention, and by the use of well known electronic circuitry, low level electric signals may be progressively amplified without loss of reference to other signals, with retention of strict...
3807392 ELECTRO-CARDIOGRAPHIC PATIENT MONITORING AND MORPHOLOGY RECOGNITION METHOD  
An electro-cardiographic patient monitoring and morphology recognition method utilizing a digital computer which is shared by eight patients. The ECG signal of each patient is sampled at...
3805795 AUTOMATIC CARDIOVERTING CIRCUIT  
Pulse generating apparatus which provides electrical heart-stimulating pulses only in the absence of normal heart activity. If the patient's heart has developed a life threatening arrhythmic...
3779237 METHOD AND SYSTEM FOR AUTOMATIC PROCESSING OF PHYSIOLOGICAL INFORMATION IN GREATER THAN REAL TIME  
A system and method is described whereby electrocardiograph signals are translated into digital data which represents certain cardiac events. This digital data controls an electrocardiogram...
3755783 ARRANGEMENT FOR ANALYZING IRREGULARITIES IN REPETITIVE BIOLOGICAL PROCESSES  
A biomedical analyzer detects the start and stop of different types of cardiac rhythm irregularities in a monitored patient and displays the results in real time. Each successive impulse...
3724455 CARDIAC WARNING DEVICE  
A method and apparatus for detecting and responding to herald signs in the cardiac waveform, such as a fast heartbeat rate, a low rate or a skipped heartbeat. In one embodiment the detection of a...
3699946 WAVEFORM ABNORMALITY MONITOR  
A portable, programmable electronic device for monitoring the heartbeat waveform of an ambulatory individual by sensing the difference between potentials from a pair of sensors attached to the...
3677260 ARRHYTHMIA DETECTOR  
This application relates to means for measuring and recording variations in frequency of repetitive events which may be subject to large changes in frequency and is particularly useful in...
3672353 ECTOPIC HEARTBEAT DETECTOR  
A critical ectopic beat detector for providing a warning that an ectopic beat is approaching a critical portion of a heartbeat including first circuit means for monitoring a heartbeat including...
3654916 APPARATUS FOR MONITORING RECURRENT WAVEFORMS  
An electrocardiogram waveform is monitored by superimposing the waveform complexes upon a stored waveform complex representative of a `normal` complex, using derived reference levels and timing...
3633569 ARRHYTHMIA COUNTER  
The cardiac generated wave from a patient is analyzed for an arrhythmia condition by measuring time intervals between the R peaks of the cardiac wave, comparing relative duration of successive time...
3618593 METHOD OF AND A SYSTEM FOR THE AUTOMATIC ANALYSIS OF HEART DISTURBANCES  
A device or system for automatically analyzing disturbances of heart rhythm and a method of such analysis wherein a sequence of cardiac waves, e.g. as generated by a transducer attached to the body...
3602222 RATE METER, PARTICULARLY A BEAT-BY-BEAT CARDIOTACHOMETER  
A ratemeter, particularly a cardiotachometer is provided having means for detecting, amplifying and transmitting only the R-waves of a patient's ECG. A pulse generator including a level detector is...
3598110 VENTRICULAR ARRHYTHMIA DETECTION SYSTEM  
A system is disclosed for detecting the occurrence of a premature ventricular contraction in a patient or in the signals provided by a training apparatus which generates signals representing a...
3577983 METHOD AND APPARATUS FOR AUTOMATICALLY SCREENING VARIABLY RECURRENT WAVEFORMS SUCH AS AN ELECTROCAROIAC SIGNAL  
A method and apparatus including logic circuitry and interval detectors for selectively gating and evaluating subportions in individual cycles of a variably recurrent wave such as an electrocardiac...
3518983 ARRHYTHMIA DETECTOR AND METHOD OF OPERATION  
3495077 APPARATUS FOR DETERMINING THE TIME INTERVAL CORRELATION OF THE OCCURRENCE OF PULSES  
3463143 ECTOPIC BEAT DETECTOR  
3267934 Electrocardiac computer  
3236237 Ampoule applicator  
3215136 Electrocardiographic means  
3156235 Heart monitoring device  
3616791 Title is not available  
3616790 Title is not available  
Matches 351 - 380 out of 380 < 1 2 3 4 5 6 7 8