Laser imaging apparatus using biomedical markers that bind...

Details Laser imaging apparatus using biomedical markers that bind... Laser imaging apparatus using biomedical markers that bind...

G - Physics

01

J

G01J 1/58 (2006.01) A61B 5/00 (2006.01) G01N 21/47 (2006.01)

Patent

CA 2373299

A method for collecting data for use in image reconstruction of a tissue being scanned containing cancer cells comprises the steps of providing a source of laser beam (16); providing a biochemical marker that selectively binds to cancer cells within the tissue; directing the laser beam toward the object (14) being scanned; orbiting the laser beam (23) around the object; providing a plurality of sensors (12) adapted to simultaneously detect the laser beam after passing through the object; and limiting the sensors to detect only the radiation released by the biochemical marker after having been activated by the laser beam.

L'invention concerne un procédé de collecte de données servant à la reconstruction d'image d'un tissu soumis à balayage contenant des cellules cancéreuses. Ledit procédé consiste à présenter une source de faisceaux laser (16), un marqueur biochimique qui se lie de manière sélective aux cellules cancéreuses dans le tissu, diriger le faisceau laser vers l'objet (14) soumis à balayage, faire tourner de manière orbitale le faisceau laser (23) autour de l'objet, présenter plusieurs capteurs (12) conçus pour détecter simultanément le faisceau laser après son passage à travers l'objet, et limiter les capteurs à la seule détection du rayonnement libéré par le marqueur biochimique après avoir été activé par le faisceau laser.

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