Adjustable collimator

Details Adjustable collimator Adjustable collimator

1994-08-03

1995-07-25

Porta, David P.

X-ray or gamma ray systems or devices

Beam control

Collimator

378147, 378148, 378150, G21K 510

Patent

active

054369584

ABSTRACT:
A collimator for a gamma camera is formed by a stack of lamina formed from tungsten. Each lamina has an array of openings formed through it, and a movable support member translates the lamina into different alignments of these openings to form corresponding different hole patterns through the collimator.

REFERENCES:
patent: 3191557 (1965-06-01), Moore
patent: 3890506 (1975-06-01), Berninger
patent: 3919556 (1975-11-01), Berninger
patent: 4288697 (1981-09-01), Albert
patent: 4419585 (1983-12-01), Strauss et al.
patent: 4582994 (1986-04-01), Berg
patent: 5293417 (1994-03-01), Wei et al.
patent: 5303282 (1994-04-01), Kwasnick et al.

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