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1. WO2000042912 - POLARIZED LIGHT SCATTERING SPECTROSCOPY OF TISSUE

Publication Number WO/2000/042912
Publication Date 27.07.2000
International Application No. PCT/US2000/001967
International Filing Date 25.01.2000
Chapter 2 Demand Filed 10.08.2000
IPC
A61B 5/00 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
CPC
A61B 5/0075
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Detecting, measuring or recording for diagnostic purposes
0059using light, e.g. diagnosis by transillumination, diascopy, fluorescence
0075by spectroscopy, i.e. measuring spectra, e.g. Raman spectroscopy, infrared absorption spectroscopy
A61B 5/0084
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Detecting, measuring or recording for diagnostic purposes
0059using light, e.g. diagnosis by transillumination, diascopy, fluorescence
0082adapted for particular medical purposes
0084for introduction into the body, e.g. by catheters
Applicants
  • MASSACHUSETTS INSTITUTE OF TECHNOLOGY [US/US]; 77 Massachusetts Avenue Cambridge, MA 02139, US (AllExceptUS)
  • BACKMAN, Vadim [US/US]; US (UsOnly)
  • DASARI, Ramanchandra, R. [US/US]; US (UsOnly)
  • GURJAR, Rajan [IN/US]; US (UsOnly)
  • ITZKAN, Irving [US/US]; US (UsOnly)
  • PERELMAN, Lev [US/US]; US (UsOnly)
  • FELD, Michael, S. [US/US]; US (UsOnly)
Inventors
  • BACKMAN, Vadim; US
  • DASARI, Ramanchandra, R.; US
  • GURJAR, Rajan; US
  • ITZKAN, Irving; US
  • PERELMAN, Lev; US
  • FELD, Michael, S.; US
Agents
  • HOOVER, Thomas, O. ; Hamilton, Brook, Smith & Reynolds, P.C. Two Militia Drive Lexington, MA 02421, US
Priority Data
09/237,15325.01.1999US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) POLARIZED LIGHT SCATTERING SPECTROSCOPY OF TISSUE
(FR) SPECTROSCOPIE DE TISSUS PAR DIFFUSION DE LA LUMIERE POLARISEE
Abstract
(EN)
The present invention relates to the use of polarized light to measure properties of tissue. More particularly, polarized light can be used to detect dysplasia in tissue as the polarization of backscattered light from such tissues is preserved while the contribution of diffusely scattered light from underlying tissues can be removed. A fiber optic system for delivery and collection of light can be used to measure tissues within the human body.
(FR)
L'invention concerne l'utilisation de la lumière polarisée pour évaluer les propriétés des tissus. Plus particulièrement, on peut utiliser la lumière polarisée pour déceler la dysplasie dans les tissus, lorsque la polarisation de la lumière rétrodiffusée depuis les tissus sous-jacents est préservée tandis que la contribution de la lumière diffusée depuis lesdits tissus peut être éliminée. Il est possible d'utiliser un système de fibres optiques pour acheminer et recueillir la lumière qui permet d'évaluer les propriétés de tissus dans le corps humain.
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