Raman spectral analysis of sub-surface tissues and fluids

G - Physics – 01 – N

Patent

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Details

G01N 21/65 (2006.01) A61B 5/00 (2006.01) G01N 21/47 (2006.01) G01N 21/49 (2006.01)

Patent

CA 2591303

Apparatus and methods for determining, in-vivo, characteristics of sub-surface tissues or fluids in the human or animal body are disclosed. Incident radiation is supplied at one or more entry regions on a surface, and light is collected from one or more collection regions spaced from the entry regions. Raman features are detected in the collected light and depth related information derived therefrom.

L'invention concerne un dispositif et des procédés permettant de déterminer, in vivo, des caractéristiques de tissus ou de fluides situés sous une surface, chez un humain ou un animal. Ces procédés consistent à fournir un rayonnement incident au niveau d'une ou plusieurs régions d'entrée sur une surface et à collecter la lumière au niveau d'une ou plusieurs régions de collecte situées à une certaine distance des régions d'entrée. Les caractéristiques Raman sont détectées dans la lumière collectée et les informations liées à la profondeur sont dérivées de ces caractéristiques.

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