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Method and apparatus for spectral transmissibility examination and analysis    

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United States Patent4570638   
Link to this pagehttp://www.wikipatents.com/4570638.html
Inventor(s)Stoddart; Hugh F. (Groton, MA); Lewis; Gary D. (St. Clair Shores, MI)
AbstractMethodology and apparatus for the clinical evaluation of biological matter, in particular the human breast, in situ and in vivo, by spectral light transmissivity. An optical probe introduces selected light spectra into the examination subject at a first position and resulting light is detected at a second position located some distance from the infusion point; also, reception preferably occurs at another location, and the distances of these locations from the infusion point are determined. The light energy received at the distant points is quantified and conditioned by use of the determined distances from the infusion point and also by contrasting the data from the two differently-located reception points, such that the resulting data is compensated or normalized to characterize intrinsic internal tissue characteristics in an absolute sense, devoid of individual characteristics such as skin pigmentation, breast thickness, etc. The methodology further includes analytical or diagnostic treatment of the conditioned data by specific comparison of conditioned data taken from different regions of the same subject, of conditioned data taken from the same region on physiologically paired and/or different subjects, and also provides for meaningful accumulation of large-scale "background" or "average" values based upon identified and selected patient populations.
   














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Patent Text Patent PDF Print Page Summary File History
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Inventor     Stoddart; Hugh F. (Groton, MA); Lewis; Gary D. (St. Clair Shores, MI)
Owner/Assignee     Somanetics Corporation (St. Clair Shores, MI)
Patent assignment
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Company News
Publication Date     February 18, 1986
Application Number     06/542,022
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     October 14, 1983
US Classification     600/476 356/432
Int'l Classification     A61B 005/00
Examiner     Doll; John
Assistant Examiner     McFarlane; Anthony
Attorney/Law Firm     Price, Heneveld, Huizenga & Cooper
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Priority Data    
USPTO Field of Search     128/665 128/666 128/633 128/664
Patent Tags     spectral transmissibility examination and analysis
   
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