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| Number | Title | Issue Date |
| 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 source, one or more receptors and a detector. The one or more receptors... | 04/26/2011 |
| 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 statistics, including total number of red blood cells present in the samp... | 04/19/2011 |
| 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 determines the position of the test strip beneath the image on the integra... | 10/28/2008 |
| 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 tubing and the like. Also, a signal processing algorithm is used to ave... | 09/02/2008 |
| 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 inversely proportional to hemoglobin concentration. A blood sample is load... | 05/27/2008 |
| 7356365 | Method and apparatus for tissue oximetry In accordance with the invention, the oxygenation of blood-profused tissue is measured by shining light into the profused tissue and analyzing the light reflected within the tissue. The light is reflected by cell walls in the tissue and is partially absorbed by hemo... | 04/08/2008 |
| 7355696 | Method and apparatus for sorting cells Apparatus for sorting and orienting sperm cells has a pair or walls in confronting relationship forming a flow chamber having inlet, a downstream outlet, and intermediate detector region. The inlet receives first and second spaced apart streams of input fluid and a ... | 04/08/2008 |
| 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 elements arrayed along a scanning direction detect a component having a... | 03/11/2008 |
| 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 sample are subjected to agglutination reaction with insoluble carriers o... | 02/05/2008 |
| 7315017 | Optical device producing two beams capable of reaching a common sensor The optical device comprises a first and a second optical sources respectively emitting a first incident beam and a second light beam of different wavelength. Reflecting means, which may be a mirror, are arranged on the optical path of the first incident beam so as ... | 01/01/2008 |
| 7294513 | Method and apparatus for characterizing solutions of small particles A method and apparatus is described by which means molecules in suspension may be characterized in terms of the size and mass distributions present. As a sample solution is separated by centrifugal means, it is illuminated at a particular radial distance from the ax... | 11/13/2007 |
| 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 biological sample into cell groups based on the optical information;... | 10/16/2007 |
| 7254429 | Method and apparatus for monitoring glucose levels in a biological tissue In accordance with the invention, a low coherence interferometer is used to non-invasively monitor the concentration of glucose in blood by shining a light over a surface area of human or animal tissue, continuously scanning the light over a two dimensional area of ... | 08/07/2007 |
| 7248909 | Method and apparatus for dynamically monitoring multiple in vivo tissue chromophores A device and method utilizes a broadband diffuse optical spectroscopy (DOS) system to dynamically calculate the concentrations of multiple chromophores in vivo using a non-invasive probe. The device and method permit dynamic monitoring of multiple in vivo tissue chr... | 07/24/2007 |
| 7230687 | Blood leak detector for extracorporeal treatment system A blood leak detector is disclosed having a light source projecting a beam along an optical path, wherein the beam has a wavelength in a range of about 800 to 930 nm; a light detector receiving the beam through an aperture having a diameter in a range of 30 to 60 th... | 06/12/2007 |
| 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 glycosylated protein, or the glycoprotein. The method incorporates lateral f... | 03/27/2007 |
| 7182912 | Fluid handling apparatus for an automated analyzer An analyzer for performing automated assay testing. The analyzer includes a storage and conveyor system for conveying cuvettes to an incubation or processing conveyor, a storage and selection system for test sample containers, a storage and selection system for reag... | 02/27/2007 |
| 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 for outputting light at a plurality of wavelengths, a light guide havi... | 12/26/2006 |
| 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 equipment and resulting in accurate measurements over a wider variati... | 10/17/2006 |
| 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 red blood cell sample. Such apparatus and method monitors the light ref... | 08/22/2006 |
| 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 apparatus designed to maximize the true optical absorbance of whole blood a... | 07/11/2006 |
| 7060035 | Signal processing method and device for signal-to-noise improvement A method and apparatus extract a signal component of a measured signal using one of two methods. If the signal component in the measured signal is a periodic signal with a certain well-defined peak-to-peak intensity value, upper and lower envelopes of the measured s... | 06/13/2006 |
| 7027850 | Signal processing method and device for signal-to-noise improvement A method and apparatus extract a signal component of a measured signal using one of two methods. If the signal component in the measured signal is a periodic signal with a certain well-defined peak-to-peak intensity value, upper and lower envelopes of the measured s... | 04/11/2006 |
| 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 having passed through the subject's tissue and/or a ... | 01/10/2006 |
| 6980285 | Method in quality control of a spectrophotometer The present invention relates to a method in quality control of a spectrophotometer, comprising the steps of determining with the spectrophotomer a spectrum Am(λ) of a fluid QC sample containing a dye, and determining a wavelength shift Δλ from CÎ... | 12/27/2005 |
| 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 applying a calibration algorithm for met-Hb to an absorbance obtained from... | 09/27/2005 |
| 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 having a temporal signature by using time series analysis methods ... | 08/30/2005 |
| 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 spectrum is approximated in a first wavelength range by a combination of a ... | 04/19/2005 |
| 6855562 | 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 sample are subjected to agglutination reaction with insoluble carriers o... | 02/15/2005 |
| 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 the electromagnetic waves transmitted through the section, and determ... | 09/21/2004 |
| 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 system standardization. Methods for distinguishing red blo... | 10/07/2003 |
| 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.... | 08/26/2003 |
| 6584340 | 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 having passed through the subject's tissue and/or a reflected ... | 06/24/2003 |
| 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 rise and decay of such pulses to be measured. Consequently... | 05/13/2003 |
| 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 centrifuge platen. The material layers in the sample tube a... | 08/27/2002 |
| 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 measurement of polychromatic light in the near infrared and adja... | 03/05/2002 |
| 6321110 | Device for controlling equipment by using signals from a living body A device for controlling equipment includes a light projector adapted to project light onto a head of a living body, a light collecting device for collecting the light having passed through the head from the light projector, a light measuring device for m... | 11/20/2001 |
| 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 components. This is achieved through spectral data which is... | 07/31/2001 |
| 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 fluorescent dyes or stains which are admixed with the sample... | 07/17/2001 |
| 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; determining the wavelength of the fundamental transverse mode of a... | 02/13/2001 |
