PET apparatus

Details PET apparatus PET apparatus

2005-02-22

2005-02-22

Porta, David (Department: 2878)

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

Reexamination Certificate

active

06858849

ABSTRACT:
A PET apparatus (1) includes a detecting section (10). Each cylindrical detector (13n) of the detecting section (10) has a plurality of block detectors (141to14M) arranged on the same circumference on a place perpendicular to a central axis (CAX) in the form of a ring. Each block detector (14m) is a two-dimensional position detector which detects the two-dimensional incident position of a photon incident on a light-receiving surface15b. Each slice collimator (21n) extends to a rear portion of a corresponding one of cylindrical detectors (13n) through the space between adjacent cylindrical detectors (13n) and (13n+1) and is integrally fixed by a holding plate (22) at the rear portion.

REFERENCES:
patent: 4352018 (1982-09-01), Tanaka et al.
patent: 5291021 (1994-03-01), Tanaka et al.
patent: 6175116 (2001-01-01), Gagnon et al.
patent: 6211523 (2001-04-01), Gagnon
patent: 6249003 (2001-06-01), Culp
patent: 63-075587 (1988-05-01), None
patent: 7-198853 (1995-01-01), None

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