X-ray or gamma ray systems or devices – Specific application – Mammography
Reexamination Certificate
2005-04-19
2005-04-19
Ho, Allen C. (Department: 2882)
X-ray or gamma ray systems or devices
Specific application
Mammography
C378S022000, C378S027000, C378S197000
Reexamination Certificate
active
06882700
ABSTRACT:
An imaging system includes an X-ray source adapted to move in an arc shaped path and a stationary electronic X-ray detector. The system also includes a track and a mechanical driving mechanism which is adapted to move the X-ray source in the arc shaped path. A tomosynthesis X-ray imaging method includes mechanically moving an X-ray source in a stepped motion on an arc shaped path around an object using a track and irradiating the object with an X-ray dose from the X-ray source located at a plurality of steps along the arc shaped path. The method also includes detecting the X-rays transmitted through the object with an electronic X-ray detector, and constructing a three dimensional image of the object from a signal output by the electronic X-ray detector.
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Alexander James Pellegrino
Wang Yu
Wirth Reinhold Franz
Fletcher Yoder
General Electric Company
Ho Allen C.
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