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Nucline Spirit DH-V - Overview:

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Variable Angle Dual-Head Digital Gamma Camera for SPET, Whole Body and Planar Imaging

  • Dual-head camera for SPET, WB and Planar Imaging

  • Highly integrated, one board PET-based detector electronics

  • Intelligent gantry electronics with 180 and 90 or 101 degree head positions

  • Integrated, high stability, low attenuation comfortable patient table

 
Nucline Spirit DH-V - Specifications:
Detectors:

Two newly developed rectangular jumbo FOV high stability detectors assembled with high optical and mechanical quality

  • NaI(Tl) scintillation crystal with special assembling case
    • size: 585 x 470 mm
    • thickness: 9.5 mm or 15.9 mm
  • photomultipliers:
    • 55 pcs of high quantum efficiency PMTs/detector characterized by improved energy resolution, magnetic
    • shielding and long-term stability
  • lead shielding thickness: 12 mm - 36 mm
 
Detector Electronics:

A compact, highly integrated, one-board PET-based, easily serviceable construction without tuning potentiometers

  • dedicated computer controlled PMT autotuning processor for fast PMT gain stabilization and adjustment
  • computer controlled ODC ( Optical Distortion Correction ) electronics
  • high precision summation electronics
  • active high voltage bleeder with integrated HV module
 
Acquisition Console and Gamma Camera Electronics:

Full-digital electronics assembled from the latest “high-tech“ elements including fast PCI bus acquisition interface

  • Intel Pentium III 800 MHz computer with 64 bit memory handling
    • 256 Mbytes 10 ns fast program memory
    • 256 kbytes cache memory
    • 30 Gbytes Hard Disk Drive
    • 17” High Resolution Colour Monitor
  • 40 MHz X,Y,Z A/D conversion
  • 4 independent energy channels
  • multi-channel analyser up to 1024 channels (50 - 600 keV)
  • 4096 x 4096 pixel image digitizing
  • digital corrections:
    • direct addressing TS® simulation linearity correction with FOV increasing technology
    • energy correction
    • uniformity correction without count rate loss
    • automatic real time uniformity cross-correction for the different collimators
    • pile-up correction for high count rate capability
 
Clinical Processing Workstation:

Dedicated nuclear medicine workstation on dual platform with Interview ™ software package running on Windows NT.

PC Platform Digital Alpha Platform
- 64 bit 800 MHz Intel Pentium III - 21164 Digital Alpha 533 MHz
- 256 Mbytes 10 ns fast RAM - PC164-SX motherboard
- 256 kbytes cache memory - 1 MB 9ns SRAM Cache
- 8 Mbytes 64 bit graphic card - 128 MB SDRAM
- 30 Gbytes hard disk drive - 30 Gbytes hard disk drive
- 1.44 Mbytes floppy disk drive - 1.44 Mbytes floppy disk drive
- CD-ROM writer - CD-ROM writer
- 21” colour monitor (1280 x 1024) - 32 Mbytes video memory
- fast Ethernet network interface  - 21” colour monitor (1280 x 1024)
  - fast Ethernet network interface
 
Gantry:

New high stability dual-detector variable angle gantry
  • Intel Pentium III based intelligent gantry electronics
  • 9” b/w high resolution display
  • 180 and 90 or 101 degree head positions
  • pre-programmed robotic gantry motions for positioning
  • all motions motorized and computer controlled
 
Collimators:
  • LEAP (Low Energy All Purpose) collimator pair with cart
  • LEHR (Low Energy High Resolution) collimator pair with cart
  • LEUHR (Low Energy Ultra High Resolution) collimator pair with cart
  • MEGP (Medium Energy General Purpose) collimator pair with cart
  • HEGP (High Energy General Purpose) collimator pair with cart
 
Imaging Table:

Integrated imaging table for SPET and whole body examinations

  • motorized vertical movements (250 mm)
  • motorized whole body gantry motion
  • low attenuation (< 5%) 2.5 mm thin aluminium pallet
  • max. 150 kg patient weight
 
Documentation:

Automated bi-level macro-controlled printing and reporting through Word2000 for Windows. High quality inkjet colour and b/w hardcopy

  • on normal paper
  • on premium photo paper
  • on dull X-ray-like film
  • 200 dpi with HP PhotoREt II technology
  • special printing software for faithful printing
 
NEMA Specifications:
(cristal thickness 9.5 mm)
 
  • Field of view: 530 mm x 390 mm
  • Energy range: 20-511 keV
  • Intrinsic energy resolution for 99mTc: 9.7%
  • Intrinsic Flood Field Uniformity
    • differential CFOV: 1.9%       integral CFOV: 2.4%
    • differential UFOV: 2.4%       integral UFOV: 2.9%
  • Intrinsic Spatial Resolution: 3.6 mm (FWHM —SPET mode)
  • Intrinsic Spatial Linearity
    • differential CFOV: 0.18 mm       absolute CFOV: 0.38 mm
    • differential UFOV: 0.20 mm       absolute UFOV: 0.40 mm
  • Max. count rate with full correction: > 220,000 cps (SPET mode) >1.5 Mcps (coincidence mode)
  • System Spatial Resolution:
    • with LEHR collimator: 7.3 mm (FWHM)
    • coincidence mode: 4.8 mm
  • System sensitivity ( with LEHR collimator): 160 cpm / Ci
 
Optional Accessories:
 
  • Coincidence imaging package
  • ECG triggering device for cardiac gated studies
  • MODEM long-distance service kit ( hardware and software )
  • Colour video imager or colour laser printer
  • VISIPLEX 8x10” X-ray film imager
 

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Harpell Associates Inc.,
1272 Speers Road, Unit 2, Oakville, Ontario, Canada, L6L 2X4
Phone (905) 825-2588, Fax (905) 825-0234, Toll Free: 1-800-387-7168
Email:  Info@Harpell.ca