Positron emission tomography scanner

Details Positron emission tomography scanner Positron emission tomography scanner

1991-12-19

1993-05-11

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

25036304, 250367, 250368, G01T 120, G01T 1202

Patent

active

052104206

ABSTRACT:
A positron emission tomography scanner having a plurality of detector rings positioned side-by-side. Each detector plane contains a plurality of photomultiplier tubes with at least two columns of scintillation crystals positioned on each photomultiplier tube defining a module in ring. Each crystal is uniform and has a length in the axial direction less than the size of the photomultiplier tube. The fundamental crystal identification module is limited to two photomultiplier tubes. Each alternate module in the ring is offset by one-half or less of the center-to-center intra-module crystal spacing in the axial direction.

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patent: 4743764 (1988-05-01), Casey et al.
patent: 4864138 (1989-09-01), Mullani
patent: 5032728 (1991-07-01), Chang et al.
patent: 5091650 (1992-02-01), Uchida et al.
Derenzo, "Initial Characterization of a BGO-Photodiode Detector for High Resolution Positron Emission Tomography", IEEE Transactions on Nuclear Science, vol. NS-31, No. 1, 1984, pp. 620-626.
Yamamoto et al., "A BGO Detector Using a New Encoding Scheme for a High Resolution Positron Emission Tomograph", Nuc. Inst. and Methods in Physics Research, A248, 1986, pp. 557-561.

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