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8175368 |
Systems and methods for image segmentation with a multi-state classifier
The systems and methods described herein provide for fast and accurate image segmentation through the application of a multi-stage classifier to an image data set. An image processing system is...
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8081303 |
Method and apparatus for analyzing individual cells or particulates using fluorescent quenching and/or bleaching
A method for analyzing a blood sample is provided that includes the steps of: a) providing a blood sample having one or more first constituents and one or more second constituents, which second...
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8077296 |
Method and apparatus for detecting and counting platelets individually and in aggregate clumps
A method for enumerating platelets within a blood sample is provided. The method includes the steps of: 1) depositing the sample into an analysis chamber adapted to quiescently hold the sample for...
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7951599 |
Method and apparatus for determining the hematocrit of a blood sample utilizing the intrinsic pigmentation of hemoglobin contained within the red blood cells
A method for determining the hematocrit of a blood sample is provided that includes the steps of: 1) depositing the sample into an analysis chamber operable to quiescently hold the sample for...
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7952692 |
Method and apparatus for determination of analyte concentration
A method and system are presented for use in determination of the concentration of an analyte in a subject's medium. The medium is irradiated with at least two radiation components to produce...
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7933005 |
Modified method and apparatus for measuring analytes
A device for measuring a compound with in a sample both non-invasively and invasively is provided. The devise comprised a source of electromagnetic radiation (EMR) operatively coupled to a power...
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7929122 |
Method and apparatus for determining red blood cell indices of a blood sample utilizing the intrinsic pigmentation of hemoglobin contained within the red blood cells
A method for the determination of the red blood cell indices including the volume, and hemoglobin content and concentration for individual red blood cells, as well as red blood cell population...
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7912534 |
Characterization of moving objects in a stationary background
A method and system for determination and mapping the quantity of chromophores having a distinct spectrum attached to moving objects in an spectrally rich environment that may include multiple...
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7821620 |
Optical coagulation monitor and method of use
An optical coagulation monitor and the method of monitoring blood coagulation status are disclosed. The method includes positioning a sample probe containing an optical fiber within a circulating...
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7695973 |
Determination of glycated protein
The present invention provides methods for quantitation of glycated protein in a biological sample using a solid support matrix by making a first bound protein measurement total bound protein under...
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7663738 |
Method for automatically detecting factors that disturb analysis by a photometer
The invention concerns a method for detecting the amounts of substances that may disturb chemical analysis performed by an analyzer for clinical chemistry. The presence and concentration of...
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7633604 |
Sample analyzer and computer program product
A sample analyzer including a detection unit for irradiating a biological sample with light and obtaining optical information; a cell classification processor for classifying cells contained in the...
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7609369 |
Methods of detection of iron deficiency and hemochromatosis
New diagnostic parameters or indexes for detection of absolute iron deficiency, latent iron deficiency, functional iron deficiency, or latent functional iron deficiency have been disclosed. The...
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7586589 |
Methods of determination of responsiveness to erythropoietin treatment
Methods for determining the responsiveness of a patient to recombinant human erythropoietin therapy are disclosed. In one approach, the method includes obtaining a volume-Hgb factor (VHf) defined...
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7561256 |
Method and apparatus for determining blood oxygen
A measuring cell for receiving a blood sample is designed such that it can be transilluminated with a light source. The light source and a means for determining the luminous intensity corresponding...
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7495751 |
Measuring apparatus
A measuring apparatus is provided with a light source (4), a first light-receiving element (5) and a second light-receiving element (6) which output signals corresponding to light intensity, a...
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7463343 |
Sensing systems and methods for differentiating between different cellular blood species during extracorporeal blood separation or processing
Systems and related methods sense the presence of targeted cellular blood species during extracorporeal blood separation or processing. The systems and methods tailor the sensing parameters to the...
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7453555 |
Aggregometer with near ultraviolet light source
An aggregometer has a radiation path along which radiation can pass, a sample receiving area located along the radiation path, a short-wavelength LED that transmits radiation along the radiation...
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7444005 |
Apparatus and method for using optical mouse engine to determine speed, direction, position of scanned device and to obtain quantitative or qualitative data from same
A test strip reader is provided with an optical mouse integrated circuit sensor that reads the test line, reference line and control line of a lateral flow assay strip by light absorption and...
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7420658 |
Method and device for measurements in blood
We present an optical probe arrangement that surrounds blood in a receptacle. It comprises LED's and light detector arranged to overcome the variations when the receptacle is translucent medical...
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7379167 |
Hemoglobin test strip and analysis system
The apparatus and method for quickly measuring the hemoglobin content of a sample of blood uses a light reflectance measurement of the hemoglobin sample lysed in a membrane. The reflection is...
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7342652 |
Biomedical optical device and biomedical optical measuring method
Light having a wavelength to be absorbed by a target object is irradiated from a light irradiating unit toward a subject while varying its intensity in the course of time. At least two detecting...
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7326579 |
Immunoassay method for lyzed whole blood
The present invention provides an immunoassay method in which blood can be measured even without pretreatment by means of a centrifuge etc. In the present invention, antibodies or antigens in a...
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7283217 |
Sample analyzer and computer product
A sample analyzer including a detection unit for irradiating a biological sample with light and obtaining optical information; a cell classification processor for classifying cells contained in the...
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7195923 |
Ratiometric determination of glycated protein
The present invention provides methods for determining a ratio of an amount of a glycated form of a protein to a total amount of the protein in a sample containing the glycated protein, the...
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7154592 |
Multiwavelength readhead for use in the determination of analytes in body fluids
A readhead for use in the determination of the concentration of an analyte in a sample comprises a read area for receiving the sample, a light source including a plurality light emitting elements...
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7124048 |
System and method for a self-calibrating non-invasive sensor
A non-invasive emitter-photodiode sensor which is able to provide a data-stream corresponding to the actual wavelength of light emitted thereby allowing calibration of the sensor signal processing...
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7095492 |
Method and apparatus for measuring cell-by-cell hemoglobin
An apparatus and method for directly determining the hemoglobin content (CH) of individual sphered red blood cells and for directly determining the width of the cell hemoglobin distribution of a...
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7075628 |
Method and apparatus for direct spectrophotometric measurements in unaltered whole blood
A method and apparatus that allows accurate spectrophotometric determination of the concentrations of various hemoglobin species in whole undiluted blood. The invention employs 1) an optical...
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6985767 |
Living body information measuring apparatus, living body information measuring method, body fat measuring apparatus, body fat measuring method, and program recording medium
A body fat measuring apparatus is provided with a light emitting device 1 for projecting light rays to a subject's tissue, light receiving devices 3 and 4 for detecting a transmitted light ray...
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6949384 |
Method for monitoring degradation of Hb-based blood substitutes
The present invention provides a method for monitoring degradation of Hb-based blood substitutes, in a sample. This method involves determining a concentration of met-Hb within the sample, by...
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6937884 |
Method and system for imaging the dynamics of scattering medium
A method and system for imaging the dynamics of a scattering medium (116) is provided. The method and system generates contrast and resolution enhanced images of dynamic properties of a medium...
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6882425 |
Method and apparatus for examining fluids of biological origin
A quality test of fluids of biological origin can be performed optically with applying a suitable evaluation method. In case of two components to be determined in a such fluid, an extinction...
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6794194 |
Method for measuring hemoglobin concentration (HGB) in the blood in a circuit of a dialysis machine, measuring device and circuit for the application of the method
A method for measuring the hemoglobin concentration in the blood in a circuit of a dialysis machine includes directing electromagnetic waves against one section of the circuit, measuring values of...
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6630990 |
Optical method and apparatus for red blood cell differentiation on a cell-by-cell basis, and simultaneous analysis of white blood cell differentiation
Methods and apparatus are disclosed for determining the volume, hemoglobin concentration, maturity and cell shape of mammalian red blood cells in a whole blood sample and simultaneously monitoring...
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6611320 |
Method and apparatus
The present invention relates to a method for detecting blood characteristics including hemoglobin in a fluid medium using both transmission and reflection of a light beam which forms a quotient.
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6564076 |
Time-resolved spectroscopic apparatus and method using streak camera
Methods and apparatus using the principles of time-resolved spectroscopy are disclosed. The present invention employs incident light pulses of sufficiently short duration to permit the rate of the...
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6441890 |
Method and apparatus for timing intermittent illumination of a sample tube positioned on a centrifuge platen and for calibrating a sample tube-imaging system
Centrifuged material layer volumes are measured and quantified during centrifugation of the material layers contained in a sample tube in a centrifuge assembly, which sample tube is disposed on a...
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6353471 |
Method and apparatus for non-destructive screening of specimen integrity
A method and apparatus for providing a non-destructive pre-test screen of specimen integrity for a blood analyzer by measurement of absorbance or reflectance is provided. The method involves...
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6268910 |
Method and apparatus for screening plasma for interferents in plasma from donor blood bags
An apparatus and a method whereby plasma integrity of plasma contained in a blood bag is rapidly and accurately assessed without compromising the sterility of the plasma, or destroying any of its...
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6262799 |
Method and apparatus for rapid measurement of cell layers
Centrifuged material layer volumes are measured and quantified during centrifugation of the material layers. The material layers are differentially highlighted by means of one or more supravital...
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6187592 |
Method for determining properties of red blood cells
A method for quantifying the concentration of hemoglobin in a cell, and indicia of anemia, comprises determining the wavelength of the longitudinal mode of a liquid in a laser microcavity;...
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6157442 |
Micro optical fiber sensor device
A sensor device for measuring a concentration of a substance within a sample comprises a sensor comprising an optical fiber portion having a first end and a second end, the second end having a tip...
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5956130 |
Method of surgical fluid analysis
A monitor to provide substantially real-time estimates of fluid absorption rate and tissue loss rate in a patient during a surgical procedure. The monitor estimates fluid source flow rates and...
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5933226 |
Attachment for a concentration measuring apparatus and a concentration measuring system
An attachment is designed such that a concentration measuring apparatus is attachable to and detachable from it. Inside the leading end portion of the attachment, leading ends of two light guide...
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5851835 |
Multiparameter hematology apparatus and method
A multi-parameter hematology analyzer and method are provided for in vitro determination of blood parameters. The analyzer apparatus includes a laser for transmitting light through a specimen...
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5828445 |
Method for measuring and reporting co-oximeter quality control results
The present invention comprises methods of determining the performance of an absorbance spectrometer, and, in particular, of CO-oximeters. The methods comprise measuring the absorbance spectrum of...
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5740185 |
Interleaved data communications system for controlling multiple centrifuges
A centrifuge network communication system for transmitting instructions to, and receiving data from, a plurality of centrifuge instruments using a central data controller. The central data...
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5706821 |
Spectroscopic method for quantitatively determining the change of concentration of a light or other radiation absorbing compound in a medium which is interrogated through an intervening medium
A spectrometric technique is described for quantitatively determining the change in concentration of a substance which is contained in a medium which both absorbs and scatters spectroscopically...
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5468640 |
Cyanide-free hemoglobin reagent
A novel method and reagent useful therein are cyanide-free and capable of providing a rapid indication, e.g., less than 30 seconds, of total hemoglobin in a blood sample, so as to find particular...
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