Patent ID: 8746974
Filing Date: 2014-06-10
Classification: A61B

Abstract:
1. A medical x-ray imaging apparatus, which apparatus includes a support construction which is arranged to support a substantially ring-shaped structure supporting imaging means, which imaging means include a source of radiation and a receiver of image information, which imaging means are arranged within said substantially ring-shaped structure supporting the imaging means substantially on opposite sides of each other and movable within said ring-shaped structure supporting the imaging means, which apparatus includes in said ring-shaped structure supporting the imaging means an examination opening wherein the object to be imaged is positionable for imaging, and in which apparatus said substantially ring-shaped structure supporting the imaging means is arranged movable with respect to said support construction at least in the vertical direction and, on the other hand, turnable with respect to an axis substantially parallel with the horizontal diagonal of a radial cross-section of the ring-shaped structure in question, characterized in that said examination opening is arranged for its prevailing portion substantially of the shape of an arch of a circle but to comprise an extension, and within the sector covered by the extension the distance from the centre of said arch of a circle to the edge of the examination opening is longer than within said prevailing portion of the examination opening substantially of the shape of an arch of a circle.