Hinged adaptor assembly for radiolucent table extension

Details Hinged adaptor assembly for radiolucent table extension Hinged adaptor assembly for radiolucent table extension

A - Human Necessities

61

G

A61G 13/12 (2006.01) A61B 6/04 (2006.01) A61G 7/07 (2006.01)

Patent

CA 2362562

An advantageous interoperative system includes a scanner (20) with an enclosed scanning zone, an image guided system (24) operatively connected to the scanner (20), a surgical table (22) having a radiolucent member (228) attached to one end thereof with a radiolucent support (264) held near an outboard end (236) of the radiolucent member (228) by a radiolucent adaptor assembly (210), the radiolucent adaptor assembly (210) being hingedly connected to both the radiolucent member (228) and the radiolucent support (264). The table (22) and the radiolucent member (228) attached thereto are movable relative to the scanner (20) to locate the radiolucent member (228) and the head of a patient supported thereon within the scanning zone, to facilitate interoperative scans. The two spaced hinged connections of the radiolucent adaptor assembly (210) promote versatility for the surgeon in positioning the radiolucent member (228) and the patient stabilization device (272 or 280) within the scanning zone. The patient stabilization (272, 280) device may be a radiolucent skull clamp (280) or a radiolucent horseshoe headrest (272), and the radiolucent skull clamp (280) and radiolucent horseshoe headrest (272) are mounted on supports (266, 278) which interchangeably connect to the radiolucent adaptor assembly (210).

L'invention porte sur un système interopératoire intéressant comprenant un scanner (20) et une zone balayée close, un système guidé d'imagerie (24) fonctionnellement lié au scanner (20), une table d'opération (22) munie d'un élément radiotransparent (228) fixé à l'une de ses extrémités par un support radiotransparent (264) maintenu à proximité d'une extrémité extérieure (236) de l'élément radiotransparent (228) par un adaptateur radiotransparent (210) articulé sur l'élément radiotransparent (228) et le support radiotransparent (264). La table (22) et l'élément radiotransparent (228) lui étant fixé sont mobiles par rapport au scanner (20) pour permettre de placer l'élément radiotransparent (228) et la tête du patient qui y repose à l'intérieur de la zone de balayage et faciliter les balayages interopératoires. Les deux liaisons articulées séparées de l'adaptateur (210) donnent au chirurgien de la latitude pour positionner l'élément radiotransparent (228) et le dispositif de stabilisation (272 ou 280) dans la zone de balayage. Le dispositif de stabilisation (272 ou 280) peut consister en un étrier crânien (280) ou un appui-tête en fer-à-cheval (272), qui l'un et l'autre se placent sur des supports (266, 278) se montant l'un et l'autre sur l'adaptateur (210).

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