Apparatus and method for in vivo analysis of red and white blood cell indices
Patent 4998533 Issued on March 12, 1991. Estimated Expiration Date: 
March 9, 2009. 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.
March 9, 2009. 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 ReferencesMethod and apparatus for in-vivo spectroscopic analysis Eye fundus oximeter Angioscope Patent #: 4331132 InventorApplicationNo. 320896 filed on 03/09/1989US Classes:600/368, Physical characteristics of blood600/479, Cardiovascular testing600/558Eye or testing by visual stimulusExaminersPrimary: Kamm, William E.Assistant: Hanley, John C. Attorney, Agent or FirmInternational ClassesA61B 001/04A61B 003/12 A61B 005/02 AbstractApparatus and methods for in vivo determination of red and white blood cell characteristics from a flow of red and white blood cells in mucous membranes are provided wherein image capturing means are employed to optically isolate images from a flow of blood cells and transmit those images to an image receiving means for encoding into electronic signals. The images are also filtered through light filters and subsequently transmitted to a computer for evaluation and analysis. The results of this analysis are then made available for display either on a CRT or hard copy printer.Other References
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