X-ray exposure system for 3D imaging

Details X-ray exposure system for 3D imaging X-ray exposure system for 3D imaging

1998-10-16

2000-06-27

Church, Craig E.

X-ray or gamma ray systems or devices

Accessory

Alignment

378 4, 378 985, A61B 608

Patent

active

060798769

ABSTRACT:
An X-ray system has an X-ray apparatus, an X-ray source and an X-ray receiver on a carrier that is adjustable relative to a subject to be examined for registering 2D projections of a region of the subject from different projection angles with subsequent 3D image reconstruction of the region of the subject, and a position acquisition arrangement having at least one camera allocated to the X-ray apparatus that follows the movements of the X-ray apparatus, and having a position indicator arranged separate from the X-ray apparatus onto which the camera is directed for determining the positions of the X-ray source and the X-ray receiver and for determining the different projection angles of the 2D projections for the 3D image reconstruction. The camera and the position indicator are arranged outside the X-ray beam emanating from the X-ray source.

REFERENCES:
patent: 5109397 (1992-04-01), Gordon et al.
patent: 5446548 (1995-08-01), Gerig et al.
patent: 5512761 (1996-04-01), Winkelmann
patent: 5706324 (1998-01-01), Wiesent et al.

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