Apparatus and method for the detection and classification of articles using flow cytometry techniques
September 11, 2004. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesApparatus for measuring cytological properties Fluorescence analysis of stained particles Automated method for cell volume determination Automatic fluorometer and data processor for performing fluorescent immunoassays Flow analyzer and system for analysis of fluids with particles Method and apparatus for diagnosis of disease Apparatus for measuring particle characteristics Microprocessor system for quantitative chromatographic data analysis Method and apparatus for the classification of piece goods which are in a state of motion Particle sorter with neutralized collection wells and method of using same InventorsApplicationNo. 06/649449 filed on 09/11/1984US Classes:702/19, Biological or biochemical356/442, With light detector382/133, Cell analysis, classification, or counting422/73, With coagulometer for agglutination, clotting, or prothrombin, or for particle (e.g., cell, etc.) counting, or volume or characteristics determination422/82.05, Measuring optical property by using ultraviolet, infrared, or visible light422/82.08, Fluorescence422/82.09, Absorbance or transmittance436/63BIOLOGICAL CELLULAR MATERIAL TESTEDExaminersPrimary: Krass, Errol A.Assistant: Teska, Kevin J. Attorney, Agent or FirmInternational ClassesG01N 15/14 (20060101)G06K 9/00 (20060101) AbstractThis invention concerns a flow apparatus and method for the detection of particles in a sample. Particles are moved, substantially one at a time, in a fluid flow stream. An incident beam of illumination is provided so as to be directed at the particles in the flow stream. Data associated with each moving particle as it passes through the beam of illumination is detected. A class of particles is established, these particles having common characteristics based on the data detected from such class of particles. The data is then stored. Such stored data is compared to data detected from sample particles of an unknown class. A determination is then made that particles from the unknown class belong to the established class as a result of matching respective data.Other References
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