X-ray or gamma ray systems or devices – Electronic circuit – With display or signaling
Reexamination Certificate
2007-09-11
2007-09-11
Thomas, Courtney (Department: 2882)
X-ray or gamma ray systems or devices
Electronic circuit
With display or signaling
C378S196000, C600S431000
Reexamination Certificate
active
11558157
ABSTRACT:
An X-ray angiography apparatus includes a C-arm, a support mechanism which rotatably supports the C-arm, a rotation driving unit which drives rotation of the C-arm, an X-ray tube mounted on the C-arm, an X-ray detector mounted on the C-arm in a direction to face the X-ray tube, and a rotation control unit which controls the X-ray detector and the rotation driving unit to make the angle sampling pitch of contrast images become larger than that of mask images.
REFERENCES:
patent: 2005/0046644 (2005-03-01), Ohishi
patent: 2006/0120507 (2006-06-01), Brunner et al.
patent: 2003-334187 (2003-11-01), None
patent: 2004-171283 (2004-06-01), None
patent: WO 03/041583 (2003-05-01), None
patent: WO 2005/110231 (2005-11-01), None
Kabushiki Kaisha Toshiba
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Thomas Courtney
Toshiba Medical Systems Corporation
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