[Near-infrared rays in tissue diagnosis].
The application of Near-Infrared Radiation provides the physician with a method of reaching a specific and non-invasive examination of internal body parts: Without addition of a contrast medium, the distributions of local haematocrit, namely the structures of mainly subcutaneous blood vessels, can be shown with continuity and good definition in the regions of focus (NIR-Microangiopathy, especially for peripheral body sections). This paper introduced a transmission method able to penetrate even thick sections (> 30 mm). A new, simple method to evaluate reflected NIR parts permits a non-invasive and exact localization of inhomogeneities in organic substances of certain consistency (for instance milk and blood) up to depth of 20 mm.
Lehrstuhl für Elektrotechnik der Technischen Universität Chemnitz.
J
J
Reschke
J
J
Täubert
M
M
Mende
D000818:Animals; D001769:Blood; D002417:Cattle; D003952:Diagnostic Imaging / Q000295:instrumentation*; D004867:Equipment Design; D006801:Humans; D007259:Infrared Rays; D008892:Milk; D010781:Photography / Q000295:instrumentation*; D014172:Transillumination / Q000295:instrumentation*