Method for recording x-ray images of an area lying outside a...

Details Method for recording x-ray images of an area lying outside a... Method for recording x-ray images of an area lying outside a...

2007-08-06

2008-11-25

Thomas, Courtney (Department: 2882)

X-ray or gamma ray systems or devices

Source support

Including object support or positioning

C378S062000

Reexamination Certificate

active

07455453

ABSTRACT:
The invention relates to a method for recording x-ray images with a C-arm system, which comprises an image recording system rotatable about a center of rotation in a recording plane, a number of x-ray fluoroscopic images of an area of interest of an object lying on an object supporting device are recorded at a plurality of angles of rotations by the image recording system, from which one or more cross-sectional images or a three dimensional can be reconstructed. The method is characterized in that the object supporting device is guided synchronously and in a non-colliding manner with the rotation of the image recording system, such that at every angle of rotation at which the recording of an image takes place, the area of interest of the object lies within a beam cone of the x-ray radiation beam of the image recording system.

REFERENCES:
patent: 2006/0072699 (2006-04-01), Mackie et al.
patent: 10 2004 004 603 (2005-08-01), None
M. Defrise et al., Enlargement of the Region of Accurate Reconstruction in Computed Tomography from Truncated Data:P, Proceedings of the Int. Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, Salt Lake City, UT, USA, Jul. 6-9, 2005, pp. 45-50.
I. Arai et al., “A New Class of Super-Short-Scan Algorithms for Fan Beam Reconstruction”, Medical Imaging Conference, Fajardo, Puerto Rico, Oct. 23-29, 2005, IEEE Nuclear Science Symposium Conference Record, pp. 2296-2300.
L.A. Feldkamp et al., Practical Con-Beam Algorithm, J. Optical Society of America, Jun. 1984, pp. 612-619, vol. 1, No. 6.

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