Reference frame fixator

A - Human Necessities – 61 – B

Patent

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Details

A61B 19/00 (2006.01)

Patent

CA 2679369

A device for positioning a fiducial marker (160) on an anatomical structure includes a fiducial base (40) and a fixation member (60). The fiducial base (40) comprises a turn (44) and an extension (42) configured to position the fiducial marker (160) within the field of view of a tracking sensor (210). The fiducial marker (160) is positioned away from the anatomical structure. The fixation member (60) is configured to have a low profile and further configured to fix the fiducial base (40) to the anatomical structure. The fixation member (60) is fixed to the anatomical structure through a primary surgical incision and positioned on the anatomical structure such that the fixation member (60) is isolated from the surgical approach. The fiducial base (40) extends from the fixation member through the primary surgical incision.

L'invention concerne un dispositif pour le positionnement d'un repère du fond de chambre (160) sur une structure anatomique qui comprend une base de repère (40) et un élément de fixation (60). La base de repère (40) comporte un tour (44) et une extension (42) configurés pour positionner le repère du fond de chambre (160) à l'intérieur du champ de vision d'un capteur de poursuite (210). Le repère du fond de chambre (160) est positionné éloigné de la structure anatomique. L'élément de fixation (60) est configuré pour avoir un profil bas et également pour fixer la base de repère (40) sur la structure anatomique. L'élément de fixation (60) est fixé sur la structure anatomique par l'intermédiaire d'une incision chirurgicale principale et positionné sur la structure anatomique de sorte que l'élément de fixation (60) est isolé de l'approche chirurgicale. La base de repère (40) s'étend de l'élément de fixation à travers l'incision chirurgicale principale.

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