Extended multi-spot computed tomography x-ray source

Details Extended multi-spot computed tomography x-ray source Extended multi-spot computed tomography x-ray source

2006-01-03

2006-01-03

Church, Craig E. (Department: 2882)

X-ray or gamma ray systems or devices

Source

Electron tube

C378S004000, C378S144000

Reexamination Certificate

active

06983035

ABSTRACT:
Systems and methods for obtaining multi-slice images having a total thickness of up to about 160 mm or more in a single gantry rotation in computed tomography or volume computed tomography are described. One embodiment comprises an extended, multi-spot x-ray source for computed tomography or volume computed tomography imaging, comprising: an electron gun capable of producing a plurality of electron beams, each electron beam focused at a predetermined distance and aimed in a predetermined direction; and a plurality of targets positioned to receive the electron beams and generate x-rays in response thereto, each target comprising a predetermined focal spot thereon, wherein each electron beam is synchronized to strike, at an appropriate time, a predetermined target comprising a predetermined focal spot thereon.

REFERENCES:
patent: 4250425 (1981-02-01), Gabbay et al.
patent: 4531226 (1985-07-01), Peschmann
patent: 5467377 (1995-11-01), Dawson
patent: 6125167 (2000-09-01), Morgan
patent: 2002/0094064 (2002-07-01), Zhou et al.

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