Calibrating device

A - Human Necessities – 61 – B

Patent

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Details

A61B 19/00 (2006.01)

Patent

CA 2581009

Device (1) for calibrating geometrical measurements of surgical tools (10) as well as for orienting the same in space, comprising: A) a docking station (2) having two jaws (3) and a surface (21); and B) at least three marking indicators (9) firmly attached to the docking station (2) and capable of being measured, in reference to their position in space, electromagnetically or acoustically through a position detecting device (14), where C) the jaws (3) each have a lateral wall (40) so that the surface (21) and the lateral walls (21) of the two jaws (3) enclose a U-shaped passage (18), where D) the two jaws are, at least at their surface portions opposite to each other, conformed in a cylindrical or double conical manner; and E) the two lateral walls (40) or the surface (21) present a form comprising at least two additional contact points for a surgical tool (10) inserted between the jaws (3) across its longitudinal axis (11), so as to allow a lateral docking, defined with respect to the marking indicators (9), of a surgical tool (10) which has been passed between the jaws (3).

L'invention concerne un dispositif (1) permettant à la fois d'étalonner des dimensions géométriques d'instruments chirurgicaux (10) et de les orienter dans l'espace. Ledit dispositif comprend A) un poste d'arrimage (2) comportant deux joues (3) et une surface (21); et B) au moins trois éléments de marquage (9) montés fixes sur le poste d'amarrage (2), qui peuvent être mesurés par voie électromagnétique ou acoustique, en termes de position dans l'espace, au moyen d'un dispositif de détection de position (14); C), les joues (3) comportent chacune une paroi latérale (40), de sorte que la surface (21) et les parois latérales (40) des deux joues (3) renferment un passage en U (18); D) les deux joues (3) se présentent de manière cylindrique ou conique double, sur les parties superficielles qui se font face; et E) les deux parois latérales (40) ou la surface (21) présentent une forme comprenant au moins deux autres points d'appui pour un instrument chirurgical (10) inséré entre les joues (3), transversalement à son axe longitudinal, de sorte à permettre un arrimage latéral défini, par rapport aux éléments de marquage (9) d'un instrument chirurgical (10) passé entre les joues (3).

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