Medical X=ray recording device with matrix X=ray detector esp. for medical diagnosis

摘要

The X-ray recording device has a matrix detector (5) which is arranged behind a patient bearing surface (4). The magnification ratio is adjustable by varying the focus-detector distance (FDA) and the focus-object distance (FOA). The primary beam aperture (10) is also adjusted to adjust the X-ray beam bundle (2) sent out from the X-ray emitter (10). In the preferred arrangement, the X-ray emitter (1) emits a conical or pyramid shaped x-ray beam bundle which is faded in using the primary beam aperture (10). The beam bundle (2) passes through an object (3) on a table (4). The matrix detector (5) is provided for image generation. This has a matrix of detector elements. The detector signals are fed to a correction unit (7) which feeds digital images to a monitor (11). The device is controlled by a control unit (9).