Scatter filter for emission tomography

Details Scatter filter for emission tomography Scatter filter for emission tomography

1996-11-21

1998-05-05

Tokar, Michael J.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

378157, G01T 1164

Patent

active

057478120

ABSTRACT:
A novel scatter filter for use in positron emission tomography which filters out deflected rays of energy due to Compton scattering which generally have a lower energy. The filter allows most of the undeflected rays to pass through by providing a layer of material having a particular density and atomic number between the detector and the source. Multiple layers of filters may also be provided to filter out characteristic x-rays from the first layer of filter.

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patent: 4618773 (1986-10-01), Drukier
patent: 4857737 (1989-08-01), Kamae et al.
patent: 5524133 (1996-06-01), Neale et al.
patent: 5602395 (1997-02-01), Nelleman et al.
Muehilehner, "Positron Camera with Extended Counting Rate Capability", J. Nucl. Med. (USA), 16 (7), Jul. 1975, pp. 653-657, Jul. 1975.

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