X-ray irradiator and X-ray imaging apparatus

Details X-ray irradiator and X-ray imaging apparatus X-ray irradiator and X-ray imaging apparatus

2008-07-08

2008-07-08

Yun, Jurie (Department: 2882)

X-ray or gamma ray systems or devices

Beam control

Collimator

C378S193000, C378S205000

Reexamination Certificate

active

11297283

ABSTRACT:
With a view to providing an X-ray irradiator capable of detecting a relative rotational angle of a collimator box with respect to an X-ray tube, the X-ray irradiator comprises: an X-ray tube having a flange formed around an X-ray output window; a collimator box having an entry plate formed with an X-ray incidence window, the collimator box accommodating a collimator in the interior thereof; a ring provided on the entry plate so as to surround the X-ray incidence window, the ring receiving therein the flange of the X-ray tube and having a plurality of slots formed radially through the ring; a plurality of tongue pieces being inserted through the slots from outside to inside of the ring and holding down a back side of the flange; and sensor device provided inside the flange to detect a relative rotational angle of the collimator box with respect to the flange.

REFERENCES:
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patent: 4313349 (1982-02-01), Heitman et al.
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patent: 5278886 (1994-01-01), Kobiki et al.
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patent: 7092489 (2006-08-01), Li
patent: 2003-061941 (2003-03-01), None
Yuqing Li; X-Ray Irradiator and X-Ray Imaging Apparatus; Filed Dec. 8, 2005; 14 pgs.

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