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7621877 |
Body surface probe, apparatus and method for non-invasively detecting medical conditions
A probe for application to a selected area of a subject's skin covering a body part, which selected area serves as a measurement site for measuring changes in the pulsatile arterial blood volume...
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7618375 |
Rapid non-invasive blood pressure measuring device
A measurement device for generating an arterial volume-indicative signal includes an exciter and a detector. The exciter is adapted to receive an oscillating signal and generate a pressure wave...
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7613486 |
Method and apparatus for evaluating human stress using photoplethysmography
A method of evaluating human stress using photoplethysmography (PPG) includes defining at least one PPG parameter, radiating light having at least one wavelength, which reacts to a blood component...
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7608046 |
Apparatus for and method of biotic sleep state determining
A biotic sleep state determining apparatus that determines a sleep state of a subject based on a series of pulse interval data that indicate a time interval of one cycle of a pulse wave of the...
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7608045 |
Method for noninvasive continuous determination of physiologic characteristics
The invention comprises methods for noninvasively monitoring physiological characteristics of a patient's blood. Determinations of blood constituent concentrations may be made by comparing...
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7604603 |
Method and system for extracting cardiac parameters from plethysmographic signals
A method and system for extracting cardiac parameters from a plethysmographic signal is described wherein the plethysmographic signal is passed through a first filter to remove non-cardiac...
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7594893 |
Method and apparatus for calculating blood pressure with signal transformation
A method and an apparatus for calculating blood pressure with signal transformation are provided, wherein said apparatus comprises: a pressure sensor, a pressure and pulse wave amplification...
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7594891 |
Portable physiological parameter monitor
A microprocessor unit receives input data from a work measuring station, a sphygmomanometer, and a heart rate sensor and combines such data to provide output signals to a display device indicative...
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7582060 |
Diagnosing peripheral vascular disease by monitoring oxygen saturation changes during a hyperemia phase
Peripheral vascular disease is diagnosed through measurements of oxygen saturation. In a specific implementation, peripheral vascular disease is diagnosed based on changes in oxygen saturation in...
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7572229 |
Probe for use in measuring a biological signal and biological signal measuring system incorporating the probe
A probe for use in photoplethysmographic (PPG) measurement includes a light source unit including a light source that contacts a predetermined site of an object and emits light onto the...
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7572227 |
Blood pressure measuring apparatus
This invention provides a blood pressure measuring apparatus capable of stably measuring the blood pressure in even the tragus while suppressing the degree of invasion. An attaching portion ( 3 )...
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7572226 |
System and method for monitoring autonomic balance and physical activity
An implantable device monitors the balance between sympathetic tone and parasympathetic tone as a function of an activity level. Cardio-neurological healthy users exhibit a generally sympathetic...
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7569018 |
Apparatus and method for noninvasively detecting the quality of cardiac pumping
An auditory pulse monitor for noninvasively detecting the amplitude of arterial pulses on a beat-by-beat basis. A light-weight optical sensor including a light source and photodetector is adapted...
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7569017 |
Diagnosing peripheral vascular disease by monitoring oxygen saturation changes during an ischemia phase
Peripheral vascular disease is diagnosed through measurements of oxygen saturation. In a specific implementation, peripheral vascular disease is diagnosed based on changes in oxygen saturation in...
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7566309 |
Blood water content detection device and hemodialysis timing determination device
A blood water content detection device includes a pulse wave detection section which noninvasively detects a peripheral pulse wave, and an index extraction section which extracts an index which...
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7566307 |
Blood pressure monitoring apparatus
A blood pressure monitoring apparatus which continuously estimates and monitors the blood pressure by using the pulse wave propagation time can accurately estimate the blood pressure. While an...
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7566306 |
Biological information processing apparatus and operation program product for the same
A biological information processing apparatus is strong against the noises or disturbances, and can accurately determine an evaluation value or blood vessel age. A pulse wave acquirer acquires...
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7559899 |
Power saving techniques for continuous heart rate monitoring
A heart rate monitor implements power saving algorithms while monitoring a subject's heart rate. The monitor continuously monitors a subject during an initial period to determine an initial heart...
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7559898 |
Method for analysis of single pulse pressure waves
This invention relates to a method for analysing pressure-signals derivable from pressure measurements on or in a body of a human being or animal, comprising the steps of identifying during given...
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7547284 |
Bilateral differential pulse method for measuring brain activity
A method of measuring human brain activity includes the steps of simultaneously measuring pulses at two locations on a human subject that each receives blood from a different carotid artery that...
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7544168 |
Measuring systolic blood pressure by photoplethysmography
The present invention relates to cuff-based method for the measurement of systolic blood pressure (SBP) by measuring photoplethysmographic (PPG) signals in peripheral blood vessels distal to the...
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7534212 |
Pulse oximeter with alternate heart-rate determination
A pulse oximeter which determines multiple heart rates, and selects between them based on the metrics of only one of the heart rate calculations. A primary heart rate calculation method is...
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7532964 |
Driver seat system and awakening device
There are provided a monitor for monitoring a human condition of a driver, and an awakening device for awakening a driver, which starts operation when received a predictive signal for fall-asleep...
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7530954 |
Method and apparatus for identifying the valid systolic blood pressure of a person with hardened arteries
A rising cuff pressure detects the diastolic blood pressure and continues to rise to generate a pulse amplitude profile. The systolic blood pressure is determined by a computation using data from...
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7526333 |
Sound reproduction system and method based on physical and mental states of a drive
One of the objects of the present invention is to provide an system which can detects degradation in a driving mental state of a driver, that is, sleepiness, fatigue, fret, and so on during driving...
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7526327 |
Instrument having optical device measuring a physiological quantity and means for transmitting and/or receiving data
There is disclosed a portable instrument including an optical device ( 4; 5; 6 ) for measuring a physiological quantity, particularly the heart rhythm, and data emission and/or reception means, the...
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7510530 |
Pulse wave measuring apparatus
A pressing cuff presses a pressure sensor above an artery. The level of the pressure applied to the pressure sensor is changed while the pulse wave is measured based on information about the...
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7507208 |
Method and apparatus for continuous pulse contour cardiac output
A system and method are provided for sensing cardiac electrogram (EGM) signals and ventricular pressure signals and for using the sensed EGM and sensed pressure signals for estimating stroke volume...
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7507207 |
Portable biological information monitor apparatus and information management apparatus
In a portable biological information monitor apparatus, a pulse wave detection signal obtained by light emission from a green LED and a body motion detection signal obtained by light emission from...
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7507206 |
Stress reducer
The present invention combines into a single housing a multiplicity of features that may be used separately or together to facilitate stress reduction in the user. A central computer receives...
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7507203 |
System and method for remotely monitoring physiological functions
A system and method for remotely monitoring an individual, in accordance with some embodiments of the invention. More particularly, one or more physiological functions and/or physical activities of...
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7504959 |
Gas monitoring using electrochemical cell and method of operating
A method and apparatus for gas detection uses a sensor such as an electrochemical (EC) cell and includes a feedback control loop to control a pump to establish a first predetermined gas flow rate...
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7503896 |
Method and apparatus for the noninvasive assessment of hemodynamic parameters including blood vessel location
A method and apparatus for determining the mean arterial blood pressure (MAP) of a subject during tonometric conditions. In one embodiment, the apparatus comprises one or more pressure and...
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7497831 |
Blood pressure measuring system and method
A blood pressure measuring system and method are provided. The blood pressure measuring system includes a first sensing unit sensing a patient's blood pressure, a second sensing unit sensing a...
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7488290 |
System and method for assessing cardiac performance through transcardiac impedance monitoring
A system and method for assessing cardiac performance through transcardiac impedance monitoring is described. Intracardiac impedance measures are directly collected through an implantable medical...
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7485094 |
Methods of diagnosis using pulse volume measurement
The utility of pulse volume measurement is expanded to detection of many conditions which have previously not been detected or have been detected using more complicated techniques. Such conditions...
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7481772 |
Vital signs monitor used for conditioning a patient's response
The invention provides a method for monitoring a patient, comprising the following steps: 1) outfitting the patient with a ambulatory blood pressure monitor that features an optical system for...
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7476204 |
Visualization of values of a physical property detected in an organism over time
A system for visually indicating, in real time or post hoc, values of a physical property detected over a period of time along a dimension of an organism to a user on a temporal plot and a profile...
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7470235 |
Pulse wave detecting device and method therefor
A pulse wave measuring apparatus can determine an optimum combination of a pair of light-emitting element and light-receiving element out of plural light-emitting elements and plural...
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7470234 |
Monitoring device, method and system
A monitoring device ( 20 ) for monitoring the vital signs of a user is disclosed herein. The monitoring device ( 20 ) is preferably an article ( 25 ) having an optical sensor ( 30 ) and a circuitry...
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7468036 |
Monitoring device, method and system
A monitoring device ( 20 ) for monitoring the vital signs of a user is disclosed herein. The monitoring device ( 20 ) is preferably an article ( 25 ) having an optical sensor ( 30 ) and a circuitry...
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7468035 |
Automated method for discriminating the cardiac beat
An automated method for discriminating the cardiac beat, on the basis of a blood pressure sampled signal, having a starting point Pstart, operating according to a finite state machine for...
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7462152 |
Method and system utilizing SpO2 plethysmograph signal to reduce NIBP determination time
A method and system for operating a non-invasive blood pressure monitor that utilizes an SpO 2 plethysmographic signal to reduce the time required to obtain an estimation of a patient's blood...
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7462151 |
Method and apparatus for facilitating physiological coherence and autonomic balance
Method and apparatus for determining the state of entrainment between biological systems which exhibit oscillatory behavior such as heart rhythms, respiration, blood pressure waves and low...
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7455643 |
Continuous non-invasive blood pressure measurement apparatus and methods providing automatic recalibration
A blood pressure measurement system is configured to perform a calibration automatically when a calibration condition is satisfied. The calibration condition is based upon one or more parameters of...
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7442169 |
Methods of distinguishing between vasoconstriction and vasodilation as a cause of hypotension
The present invention relates to the use of the arterial pressure waveform recorded invasively or non-invasively, to distinguish between compensatory vasoconstriction with low cardiac output on the...
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7438688 |
Apparatus and method for measuring pulse rate
In an apparatus adapted to measure a pulse rate of a subject, a plurality of band pass filters, each of which has a center frequency that is different from the others are provided. The band pass...
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7438687 |
Patient monitoring system with blood pressure measurement capacity
A patient monitoring system including a sensing-recording device that attaches to a patient and a probe utilized by attending personnel at a trauma site. After an initial interaction between the...
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7435222 |
Tele-diagnostic device
A system, probe, and method for collecting a plurality of diagnostic information and transmitting the diagnostic information to a remote location. The system comprises a member contoured to at...
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7431696 |
Monitoring device, method and system
A monitoring device ( 20 ) for monitoring the vital signs of a user is disclosed herein. The monitoring device ( 20 ) is preferably an article ( 25 ) having an optical sensor ( 30 ) and a circuitry...
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