Fluoroscopic registration artifact with optical and/or...

Details Fluoroscopic registration artifact with optical and/or... Fluoroscopic registration artifact with optical and/or...

G - Physics

06

K

G06K 9/00 (2006.01) C07D 487/04 (2006.01) G06T 3/00 (2006.01)

Patent

CA 2422950

A registration artifact (10) for use in registering two or more fluoroscopic images includes a plurality of radio opaque spheres (12, 14, 16) and a plurality of trackable markers, such as optical reflectors (20, 22, 24, and 26), mounted to a radio transparent body (11). A tracking system locates the position of registrable artifact using the trackable markers for registering the fluoroscopic images with respect to a known frame of reference.

La présente invention concerne un artefact de calage d'images (10) utilisable pour l'enregistrement de deux ou plusieurs images radioscopiques comportant une pluralité de sphères radio-opaques (12, 14, 16) et une pluralité de marqueurs repérables, tels que des réflecteurs optiques (20, 22, 24 et 26), fixés à un corps de radio transparent (11). Un système de repérage localise la position d'artefact de calage d'images au moyen des marqueurs repérables pour le calage d'images par fluorescence par rapport à un système de coordonnées connu.

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