| NEUROSPECT QUAD Gamma Camera
Features:
- Configured specially for brain imaging
- Four Fixed 90° ring small FOV ultra high resolution detectors
- Four independent energy channels
- Excellent resolution / short time imaging
- 2.5mm low attenuation SPECT pallet
- High density FPGA technology
- Ultra fast, 40 MHz digitizing
- 4096 pixel image digitizing
- Real-time cross correction for each energy level and different collimators
- SW-based pile-up correction for high count rate
- Pre-programmed robotic gantry motions for precise positioning
- Ring Gantry Design
- Fixed position SPECT gantry, high stability
- Low energy high resolution (LEHR) collimator
- 90° and 180° SPECT movements
- Motorized vertical movement imaging table (250mm)
- Specially design comfortable head support
- Easy to change collimators
Options:
- Additional collimators
- Collimator cart
- SPECT table accessories
|
Parameter |
Central Field of View (CFOV) |
Useful Field of View (UFOV) |
| Intrinsic spatial resolution |
| FWHM |
d 2.72mm |
d 2.8mm |
| FWTM |
d 5.44mm |
d 5.6mm |
| |
|
|
| Intrinsic energy resolution |
| FWHM |
d 9.7 % |
d 9.7 % |
| |
|
|
| Intrinsic flood field uniformity |
| Integral |
± 2.4 % |
± 2.9 % |
| Differential |
± 1.9 % |
± 2.4 % |
| |
|
|
| Intrinsic spatial linearity |
| Absolute |
d 0.38 mm |
d 0.40 mm |
| Differential |
d 0.18 mm |
d 0.20 mm |
| |
|
|
| Intrinsic high count rate performance |
| 20 % count rate loss |
160 kcps |
160 kcps |
| maximum count rate |
200 kcps |
200 kcps |
| |
|
|
| Intrinsic spatial resolution at 75 kcps |
| FWHM |
d 2.5 mm |
d 2.54 mm |
| FWTM |
d 4.97 mm |
d 4.97 mm |
| |
|
|
| Intrinsic flood field uniformity at 75 kcps |
| integral |
± 2.6 % |
± 3.8 % |
| differential |
± 1.9 % |
± 2.2 % |
| |
|
|
| Multiple window spatial resolution |
| |
d 1.5 mm |
d 1.5 mm |
| |
|
|
| Point source sensitivity |
| |
± 0.5 % |
± 0.5 % |
| |
|
|
| System spatial resolution w/ scatter (LEAP @ 10cm) |
| FWHM |
d 8.7 mm |
d 8.7 mm |
| FWTM |
d 15.5 mm |
d 15.5 mm |
| |
|
|
| System spatial resolution w/o scatter (LEAP @ 10cm) |
| FWHM |
N/A |
N/A |
| FWTM |
N/A |
N/A |
| |
|
|
| System sensitivity |
| LEAP Collimator |
360 cpm/(micro)Ci |
360 cpm/(micro)Ci |
| |
| Performance Specifications - Reconstructed System Spatial Resolution |
| |
Radial |
Tangential |
Center |
|
| (Non RM2) SPECT |
| |
d 7.5 mm |
d 4.0 mm |
d 7.5 mm |
|
| Resolution Matched Matrix (RM2) SPECT |
| |
d 5.6 mm |
d 3.2 mm |
d 5.6 mm |
|
| |
| 33 (5.08cm diameter) high performance photo-multiplier tubes (PMTs) |
| Detector thickness 9.50mm / FOV 215 x 230mm |
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