Laser pointer device to localize site of radioactivity in...

G - Physics – 01 – T

Patent

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Details

G01T 1/00 (2006.01) A61B 6/00 (2006.01) A61B 6/08 (2006.01) G01T 1/161 (2006.01) G01T 1/164 (2006.01)

Patent

CA 2478686

A laser localizer may include a laser pointer on handle to be placed co- parallel against the surface of a detector head of a gamma camera and a mirror angled to direct the laser beam normal with respect to the detector head surface. The source of radiation may be a button containing Co-57 or other radioactive material placed under the mirror. When the image of the radioactive material in the laser localizer is superimposed on an image of a source of radioactive uptake in the patient on a system monitor, the laser beam will automatically point to the source within the body.

La présente invention a trait à un appareil de localisation par laser pouvant comporter un pointeur laser monté sur une poignée destiné à être disposé mutuellement en parallèle contre la surface d'une tête de détection d'une caméra gamma et un miroir incliné pour orienter le faisceau laser perpendiculairement par rapport à la surface de la tête de détection. La source de rayonnement peut être un bouton contenant du cobalt 57 ou autre matériau radioactif disposé sous le miroir. Lors de la superposition de l'image du matériau radioactif dans l'appareil de localisation par laser sur une image d'une source d'apport radioactif chez le patient sur un moniteur du système, le faisceau laser effectuera automatiquement un pointage vers la source au sein du corps.

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