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Method and apparatus for monitoring metabolism in body organs in vivo
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Method and apparatus for monitoring metabolism in body organs
ApplicationNo. 150084 filed on 11/15/1993
US Classes:600/310, Infrared, visible light, or ultraviolet radiation directed on or through body or constituent released therefrom600/323, Oxygen saturation, e.g., oximeter600/334With tissue perfusion
ExaminersPrimary: Nasser, Robert L.
Attorney, Agent or Firm
Foreign Patent References
International ClassA61B 005/00
AbstractThe present invention utilizes differential measurement of radiation that migrated into two migration paths between two source-detector pairs placed on the head in a manner that each path is localized in a portion of one hemisphere of the brain. The present invention also provides various embodiments of spectrophotometer systems for in vivo examination of tissue of a human by measuring changes in electromagnetic radiation scattered and absorbed in a migration path in the tissue. Generally, the spectrophotometer systems comprise a light source for introducing the radiation into the tissue, a detector for detecting radiation that has migrated in the tissue, a processor for processing signals of the detected radiation to create processed data, and a system for determining physiological or pathophysiological changes in the tissue of interest. The present invention also provides for determining the metabolic condition of an aerobically stressed portion of tissue such as the muscle tissue of an exercising person.
Field of SearchBase line instrument (i.e., base is a part of instrument)