Patent ID: 7597474
Filing Date: 2009-10-06
Classification: G21F,G21K

Abstract:
1. An X-ray shielding apparatus having an adjustable X-ray passage, the X-ray shielding apparatus comprising: a stationary member having an aperture; one or more shielding members movable in relation to the stationary member and made from an X-ray shielding material, the one or more shielding members having openings defining an X-ray passage within the aperture that is smaller than the aperture, wherein the movement of the one or more shielding members is restricted such that the one or more shielding members in each position relative to the stationary member cover the aperture at least in an area outside the X-ray passage; and a tube member constituted by an X-ray lens or configured to receive an X-ray lens, wherein one of the one or more shielding members is mounted on the tube member such that the tube member extends through the opening of this shielding member and through the aperture of the stationary member.