X-ray or gamma ray systems or devices – Source support – Including movable source
Reexamination Certificate
2008-07-16
2009-10-20
Thomas, Courtney (Department: 2882)
X-ray or gamma ray systems or devices
Source support
Including movable source
C378S098120, C378S901000, C600S431000
Reexamination Certificate
active
07604404
ABSTRACT:
An X-ray imaging apparatus includes a substantially C-arm, a support mechanism which rotatably supports substantially the C-arm, a rotation driving unit which drives rotation of substantially the C-arm, an X-ray tube mounted on substantially the C-arm, an X-ray detector mounted on substantially the C-arm, and a control unit which controls at least one of the rotation driving unit and an imaging control unit to make intervals between a plurality of contrast-enhanced images shorter than intervals between a plurality of mask images by changing a rotational speed of substantially the C-arm before and after injection of a contrast medium.
REFERENCES:
patent: 7269246 (2007-09-01), Ohishi
patent: 2009/0103790 (2009-04-01), Yamagishi et al.
patent: 2007-130244 (2007-05-01), None
Hirose Masashi
Ohishi Satoru
Kabushiki Kaisha Toshiba
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Thomas Courtney
Toshiba Medical Systems Corporation
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