Gamma camera collimator

Details Gamma camera collimator Gamma camera collimator

1997-05-09

1999-07-27

Westin, Edward P.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

25036302, G01T 1164

Patent

active

059294477

ABSTRACT:
A reduced field of view collimator for a nuclear imaging gamma camera is described. In one form, the collimator includes a gamma ray attenuating plate, several core plates, and a ramp member. The gamma ray attenuating plate is sized to substantially cover a scintillation crystal face, and includes an opening. The core plates extend from the attenuating plate at a periphery of the plate opening and define an outer periphery of a collimator core. The ramp member includes a ramp having a sloped surface, and is formed of gamma ray attenuating material. The ramp member is secured adjacent to at least one of the core plates so that the sloped surface extends substantially angularly with respect to the attenuating plate and the core plate.

REFERENCES:
patent: 5077479 (1991-12-01), de la Barre et al.
patent: 5751000 (1998-05-01), McCroskey et al.

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