Adjustable aperture collimator

Details Adjustable aperture collimator Adjustable aperture collimator

2007-07-02

2009-02-10

Glick, Edward J (Department: 2882)

X-ray or gamma ray systems or devices

Beam control

Collimator

C378S065000, C378S151000

Reexamination Certificate

active

07489764

ABSTRACT:
A collimator including an inner border whose inner perimeter defines an aperture, an outer border positioned outwards of the inner border, an enclosure being defined and bounded between the inner and outer borders, the enclosure being sufficiently filled with a radiopaque pliable material so as to block a predefined amount of radiation from passing through the enclosure, while allowing radiation to pass through the aperture, and at least one actuator attached to at least one point of the inner border operable to deform the inner border so as to modify a shape of the aperture.

REFERENCES:
patent: 3755672 (1973-08-01), Edholm et al.
patent: 4856042 (1989-08-01), Staron et al.
patent: 5148465 (1992-09-01), Mulder et al.
patent: 6920203 (2005-07-01), Short et al.
patent: 7082189 (2006-07-01), Yahata et al.
patent: 7209547 (2007-04-01), Baier et al.
patent: 7308073 (2007-12-01), Tkaczyk et al.

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