Method of imaging by spect

Details Method of imaging by spect Method of imaging by spect

2005-11-22

2005-11-22

Gagliardi, Albert (Department: 2878)

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

C250S363100, C250S363040

Reexamination Certificate

active

06967331

ABSTRACT:
The invention relates to a method of imaging a target organ in a patient by SPECT, by using a gamma camera having a gamma detector, and by computer reconstructing the distribution of the radioactivity inside the patient's body from planar images, acquired along at least one linear orbit performed in a transverse direction, wherein said gamma detector is perpendicularly provided on its outer surface with a plurality of collimator septa in a mutually parallel arrangement and with at least one raised wall, extending in the longitudinal direction of the detector, transversely positioned to said septa and with a substantial portion extending beyond said septa, said wall and said septa together forming a so-called rake collimator.The invention further relates to said rake collimator as such and to a combination of a gamma detector and a rake collimator.The invention also relates to an equipment for performing the above method.

REFERENCES:
patent: 5198680 (1993-03-01), Kurakake
patent: 5206512 (1993-04-01), Iwao
patent: 5434416 (1995-07-01), Motomura et al.
patent: 5602395 (1997-02-01), Nellemann et al.
patent: 5929446 (1999-07-01), Plummer et al.
patent: 6693291 (2004-02-01), Nelson et al.

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