Sorter for coincidence timing calibration in a PET scanner

Details Sorter for coincidence timing calibration in a PET scanner Sorter for coincidence timing calibration in a PET scanner

1992-07-27

1993-12-21

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

25036304, 25036309, G01T 1166

Patent

active

052723437

ABSTRACT:
A PET scanner includes an orbiting source of positron emissions which is employed in an attenuation scan to collect attenuation data used to correct image data acquired during an emission scan. In addition, the orbiting source is used in a coincidence timing calibration scan to acquire timing information employed to calibrate the scanner electronics. Time-of-flight errors in the calibration timing information due to the use of an off-center emissions source are eliminated by a sorter which separates the timing data as a function of the position of the orbiting source.

REFERENCES:
Jones et al, "A VMEbus Based, Real Time Sorter Design for Positron Emission Tomography", IEEE Trans. Nucl. Sci, 33(1), Feb. 1986, pp. 601-604.

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