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7613488 |
Apparatus and methods for compensation of blood volume effects on NIR spectroscopic measurements of blood analytes
The present invention provides a method for measuring a blood analyte concentration of a body part comprising removing a portion or all of the blood from the body part to produce a modified body...
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7613487 |
Instrument for noninvasively measuring blood sugar level
A small and portable instrument for measuring blood sugar level of a human body noninvasively with no error comprising a light source control section for irradiating the measurement part of a...
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7611470 |
Measurement of cardiac output and blood volume by non-invasive detection of indicator dilution
A system for evaluating the cardiovascular system parameters using indicator dilution and non-invasive or minimally invasive detection methods is disclosed. Intravascular indicators are stimulated,...
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7603151 |
Non-invasive methods of using spectral information in determining analyte concentrations
A non-invasive method of determining the concentration of an analyte uses Raman or fluorescence spectral information. A high-intensity band of light is applied to one side of skin tissue. The...
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7572237 |
Automatic biological analyte testing meter with integrated lancing device and methods of use
An integrated device is for sampling and testing an analyte. The device generally includes a housing, a lancing device for sampling an analyte, a test strip for substantially capturing at least a...
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7551950 |
Optical apparatus and method of use for non-invasive tomographic scan of biological tissues
The present invention relates to a non-invasive optical system equipped with optical tomographic scanning method and algorithm for quantifying scattering and absorption properties and chromophore...
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7541602 |
System and method for noninvasively monitoring conditions of a subject
A method and system are presented for use in determining one or more parameters of a subject. A region of interest of the subject is irradiated with acoustic tagging radiation, which comprises at...
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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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7502639 |
Analysis of retinal metabolism over at least a portion of a cardiac cycle
Retinal metabolism is analyzed with a retinal function camera over at least a portion of a cardiac cycle by first illuminating a portion of a retina of an eye 10 with light of a first wavelength...
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7500950 |
Multipurpose sensor port
A sensor port is adapted to connect to either a sensor or a data source. A reader is configured to identify which of the sensor and the data source is connected to the sensor port. A data path is...
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7499835 |
Variable indication estimator
A variable indication estimator which determines an output value representative of a set of input data. For example, the estimator can reduce input data to estimates of a desired signal, select a...
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7499741 |
Signal processing apparatus and method
A method and an apparatus to analyze two measured signals that are modeled as containing desired and undesired portions such as noise, FM and AM modulation. Coefficients relate the two signals...
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7496393 |
Signal processing apparatus
The present invention involves a method and an apparatus for analyzing measured signals, including the determination of a measurement of correlation in the measured signals during a calculation of...
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7486978 |
Catheter head
The present invention relates to a catheter head comprising: means ( 104, 108; 306, 304; 320; 322; 326; 338 ) for directing of radiation to a blood detection volume ( 220; 310 ), means ( 104, 108;...
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7471970 |
Method for measuring blood oxygen content under low perfusion
A method for measuring blood oxygen content under low perfusion, which is used in a device for measuring blood oxygen content, includes the steps of: initializing the device that is applied with...
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7465273 |
Method for monitoring pre-eclamptic patients
A system and method for monitoring and estimating the blood pressure of a pregnant patient that modifies the blood pressure estimating algorithm when the patient is pre-eclamptic. The level of...
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7457652 |
Method and circuit for indicating quality and accuracy of physiological measurements
Sensors and monitors for a physiological monitoring system having capability to indicate an accuracy of an estimated physiological condition. The sensor senses at least one physiological...
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7450981 |
Apparatus and method for measuring blood component using light trans-reflectance
An apparatus for measuring a blood component using the trans-reflectance of light irradiated to a transflective member disposed behind a test site. The apparatus includes an optical source unit...
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7440788 |
Oral health measurement clamping probe, system, and method
Devices, systems, and methods determine the health of oral objects by providing objective measurements using a detachable probe body. The detachable probe body may isolate reusable system...
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7436511 |
Analyte filter method and apparatus
The invention comprises a method and apparatus for enhancing the analysis of noninvasive spectra, resulting in improved analytical performance. More particularly, the invention comprises a method...
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7430445 |
Noninvasive blood analysis by optical probing of the veins under the tongue
A method for analysis of blood components or parameters is disclosed where a probe having an excitation outlet and a response inlet is placed in proximity to or in contact with a tissue of an...
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7430444 |
Photoplethysmographic device with species-specific calibration
A method and apparatus for photoplethysmographic measurements from non-human species is disclosed. The extinction of light by hemoglobin, as a function of wavelength, varies as a function of the...
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7428434 |
Quantitative broadband absorption and scattering spectroscopy in turbid media by combined frequency-domain and steady state methodologies
A technique for measuring broadband near-infrared absorption spectra of turbid media that uses a combination of frequency-domain and steady-state reflectance methods. Most of the wavelength...
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7426407 |
Continuous spectroscopic measurement of total hemoglobin
Methods for measuring the total hemoglobin of whole blood include measuring reflective light at multiple wavelengths within the visible spectrum, calculating light absorbance at each of the...
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7424317 |
Non-invasive measurement of blood analytes
An apparatus for the measurement of at least one analyte in the blood of a patient, which includes a light source generating broadband light and a light-transmission arrangement having a plurality...
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7409239 |
Method for predicting the blood glucose level of a person
A method for predicting blood glucose level of a person includes performing on the person a near-infrared spectral scan of a body part at a first group of wavelengths and at a second group of...
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7400918 |
Measurement of blood oxygen saturation
Oxygenation of a subject's blood is determined by sensing an absorption spectrum of light directed either invasively or non-invasively into the blood, and then calculating an oxygenation value by...
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7389131 |
Living body information measuring apparatus
A living body information measuring apparatus includes an optical system for irradiating light to a subject and detecting light from the subject, a signal processing portion for acquiring...
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7386333 |
Test subject monitoring device
A device for monitoring a test subject includes a light source and at least one optical waveguide configured for at least one of directing light from the light source onto a biological substrate...
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7384396 |
System and method for continuous analyte monitoring
A system and method for extracting a biological fluid from an organism and continuously monitoring its characteristics. The system includes a tissue interface device suitable for positioning on or...
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7383069 |
Method of sample control and calibration adjustment for use with a noninvasive analyzer
A method and apparatus for easing the use of an optically based noninvasive analyzer is presented. More particularly, a simplified algorithm is used that removes the daily requirement of collecting...
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7376452 |
Apparatus and method for measuring transit time of oxygen in blood
In order to measure a transit time of oxygen in blood, at least one sensor is attached to at least one prescribed position on a subject. The sensor is adapted to detect a light absorption of...
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7356364 |
Device for optical monitoring of constituent in tissue or body fluid sample using wavelength modulation spectroscopy, such as for blood glucose levels
A device for monitoring the concentration level of a constituent in tissue or a body fluid sample, such as glucose concentration in blood, has a laser light source which is modulated about a center...
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7355512 |
Parallel alarm processor
A parallel alarm processor has a threshold detector, a pattern extractor, a predetermined reference pattern, a first alarm and a second alarm. The threshold detector has a first output responsive...
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7349727 |
Living body light measuring device
There is provided a living body light measuring device capable of monitoring a time curve of a blood substance concentration as time curves of parameters of a signal waveform and judging or...
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7344503 |
System and method for monitoring pre-eclamptic patients
A system and method for monitoring and estimating the blood pressure of a pregnant patient that modifies the blood pressure estimating algorithm when the patient is pre-eclamptic. The level of...
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7330747 |
Invasive chemometry
The invention relates to methods and devices for assessing one or more components of a selected tissue in an animal. The present invention permits non-invasive assessment of tissue components in a...
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7330746 |
Non-invasive biochemical analysis
The invention relates to methods and devices for assessing one or more blood components in an animal. The present invention permits non-invasive assessment of blood components in a body structure...
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7319907 |
Multi-level controller system
The invention is a state machine having a host controller that controls a level-i controller, wherein the level-1 controller controls the level-2 controller. The level-2 controller controls system...
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7315752 |
Method and device for determining a light transport parameter in a biological matrix
A method for the selective determination of the scattering index μ s of a scattering biological matrix, in particular for the purpose of non-invasive determination of the concentration of glucose...
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7313426 |
Apparatus for determining concentrations of light absorbing substances in blood
In an apparatus for determining a concentration of a light absorbing substance in blood, a plurality of photo emitters are adapted to emit light beams having different wavelengths toward a living...
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7313424 |
Diagnosis of body metabolic emergency state
An apparatus, system and method are provided for diagnosing the degree of body metabolic emergency state. A non-vital organ with respect to the metabolic emergency state is first chosen. One or...
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7289838 |
Apparatus and method for measuring blood components
A blood component measuring apparatus includes a fixing apparatus for fixing a body part of an examinee, the body part including a tissue to be examined, a light source portion for radiating light...
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7280860 |
Noninvasive living body measuring apparatuses
Noninvasive living body measuring apparatuses are described, a representative one of which includes: (a) a light source unit for irradiating a measurement region of a living body; (b) a...
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7274955 |
Parameter compensated pulse oximeter
A monitor has a primary input responsive to a first property of a tissue site. An uncompensated measurement is determinable from the primary input. A parameter input is responsive to a second...
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7257433 |
Apparatus for measuring concentration of light-absorbing substance in blood
An apparatus for measuring a concentration of a light-absorbing substance in blood is disclosed. A light emitter emits light beams to irradiate a living tissue, each of the light beams being...
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7254432 |
Method and device for non-invasive measurements of blood parameters
A method and system for non-invasive measurements in a patient's body in which several measurement sessions are performed on a measurement location. Each measurement session includes applying an...
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7254427 |
Optical measurements apparatus and blood sugar level measuring apparatus using the same
Blood sugar levels are measured non-invasively based on temperature measurement. Values of blood sugar levels non-invasively measured by a temperature measuring system are corrected using blood...
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7252639 |
Method and apparatus for measuring biological condition
In an apparatus for measuring a biological condition of a living body, a light emitting unit emits individually first and second lights to a measurement portion of the living body. The first and...
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7251518 |
Blood optode
A method for measuring in non-invasive manner the concentration of blood constituents by which backscattered light is measured under the action of ultrasonic radiation focused towards the inside of...
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