Mobile radiography alignment device

Details Mobile radiography alignment device Mobile radiography alignment device

1986-12-01

1988-06-21

Fields, Carolyn E.

X-ray or gamma ray systems or devices

Source support

Including movable source

378205, 378197, 378204, 378193, H05G 102, A61B 608, G03B 4202

Patent

active

047529482

ABSTRACT:
An alignment device for use in mobile radiography. In contrast to prior practice in which a film cassette is placed on one side of the patient, an x-ray source on the other, and it is left to the skill of the technician to approximate the necessary alignment, the present invention assures consistent alignment much more precise than is typically achieved. The precise alignment allows regular use of a grid in mobile radiography which helps to prevent image deterioration caused by scattered radiation. The precise alignment is achieved by providing an adaptable physical connection which when in the deployed condition, accurately establishes both the distance between the focal spot and the film plane and the alignment of the grid with respect to the central ray.

REFERENCES:
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patent: 2355066 (1941-04-01), Goldfield et al.
patent: 3705984 (1972-12-01), Westenberger
patent: 3979595 (1976-09-01), Merchant
patent: 4092544 (1978-05-01), Grim
patent: 4246486 (1981-01-01), Madsen
patent: 4380087 (1983-04-01), Tanaka
patent: 4455672 (1984-06-01), Hahn et al.
patent: 4563586 (1986-01-01), Jordan

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