Importance

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Abstract

A device for moving an X-ray apparatus embodied in the form of a C-bow (9) in a controlled manner, the C-bow (9) being mounted on a pedestal (31) provided with motor-driven rollers (3) controllable in their direction of travel in such a way that it is displaceable in parallel in relation to at least two axes (18;19) and rotatable relative to three axes (18; 19, 21), each movement of the C-bow (9) with respect to a coordinate system (29) which is stationary relative to the room being carried out via controllable drive devices (6;7;37;38). These drive devices (6; 7; 37; 38) are controlled either by means of a control device (39;48) or via a computer (23), said control device being operated either via a sterile control console or by voice control. Any positions and projections of the C-bow (9) that have once been adjusted may be stored in the computer (23), so that a desired position and projection may be reproduced again. If the C-bow 9 is combined with a surgical navigation system which comprises a position detector (27), it is possible, by measuring a reference base that is applied to a patient (12) and is provided with optical markers (28), to consider changes in the position of the patient (12) in such a way that an adjusted position and projection of the C-bow (9) can be reproduced after the patient (12) has changed position.

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First Claim