Gantry for geometrically configurable and non-configurable...

Details Gantry for geometrically configurable and non-configurable... Gantry for geometrically configurable and non-configurable...

2007-08-28

2007-08-28

Porta, David (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

C250S363040, C250S363080

Reexamination Certificate

active

10453255

ABSTRACT:
A gantry system for geometrically configuring a plurality of detectors for image scanning a patient comprises a plurality of essentially planar sensor support rings forming a barrel surrounding a central scanning area. Each ring is formed by opposing upper and lower semi-elliptical array supports, and each array support is configured to support a plurality of adjustable detector assemblies. Each array support is adjustable along a longitudinal axis of the barrel, and collectively define an imaging field of view that is configurable by separately adjusting one or more of the array supports. Upper array supports are also preferably moveable in a generally perpendicular direction with respect to longitudinal axis, e.g., to optimize position of the detector assemblies with respect to a patient, to provide for easier patient entry and/or to provide for scans of claustrophobic or obese patients.

REFERENCES:
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patent: 5937202 (1999-08-01), Crosetto
patent: 6583420 (2003-06-01), Nelson et al.
patent: WO01/87140 (2001-11-01), None
Brownell, Gordon. “A History of Positron Imaging”, presented on Oct. 15, 1999 to the Massachusetts General Hospital.
Crosetto. “400+ times improved PET Efficiency for Lower-Dose Radiation, Lower-Cost Cancer Screening”, 3-D Computing, Jun. 30, 2001, ISBN: 0970289707.

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