Nucline TH - Mediso

 

  • small (TH/22) and medium (TH/33 and TH/45) FOV high resolution detector
  • light weight motorized detector stand
  • wide range of collimators
  • easily exchangeable collimators
  • typical intrinsic spatial resolution FWHM < 2.7 mm
  • integrated ECG triggering device

 

DETECTOR

  • Small/medium field of view high stability detector represents high optical performance and excellent mechanical quality
  • NaI(Tl) scintillation crystal
  • size: 230x210 or 260x246 or 300x300 mm
  • thickness: 6.5 mm (optionally 9.5 or 12.5 mm)
  • photomultipliers 22 or 33 or 45 pcs of high quantum efficiency PMTs characterized by improved energy resolution, magnetic shielding and long-term stability
  • lead shielding thickness: 12–28 mm

 

DETECTOR ELECTRONICS

A compact, highly integrated, one board easily serviceable construction Without tuning potentiometers

  • computer controlled PMT autotuning processor for fast PMT gain stabilisation and adjustment
  • computer controlled ODC (Optical Distortion Correction) electronics
  • high precision summation electronics
  • active high voltage bleeder with integrated HV module

 

ACQUISITION CONSOLE

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

  • Windows XP based computer
    • Intel® Core™ 2 Duo 3.0 GHz dual-core processor
    • 2 GB RAM
    • 500 GB hard disk drive
    • CD-DVD-RW drive
    • keyboard, mouse
    • full DICOM 3.0 compatibility (send/ receive, print, query/retrieve)
    • 19” high resolution (1280x1024) LCD monitor
    • integrated Gigabit Ethernet controller
  • 40 MHz X,Y,Z A/D conversion
  • 4 independent energy channels
  • multi-channel analyser up to 1024 channels (40–600 keV)
  • 4096 x 4096 pixel image digitising
  • 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
  • three-phase pile up recovery and resolution enhancing technology for high count rates

 

CLINICAL PROCESSING WORKSTATION

Dedicated nuclear medicine workstation with InterView ™ XP software package running on Windows XP

 

Processing workstation:

  • Intel® Core™ 2 Duo 3.0 GHz dual-core processor
  • 2 GB RAM
  • 500 GB hard disk drive
  • CD-DVD-RW drive
  • keyboard, mouse
  • full DICOM 3.0 compatibility (send/receive, print, query/retrieve)
  • 19” high resolution (1280x1024) LCD monitor
  • integrated Gigabit Ethernet controller(24” optional)

 

GANTRY

Light weight, simply adjustable gantry

  • 500 mm motorized vertical detector motion with digital height display
  • multi-directional hand-controlled detector positioning
  • small space demand; less than 2 m2 with patient
  • weight: 180 kg with detector

 

COLLIMATORS

Light, easily interchangeable collimators

  • LEGP (Low Energy General Purpose ) collimator
  • LEHR (Low Energy High Resolution ) collimator
  • LETH special 99m Tc and HETH I collimators for thyroid
  • LEPH 99m Tc and HEPH I pinhole collimator

 

DOCUMENTATION

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

  • on normal paper
  • on premium photo paper
  • 2400 dpi print quality
  • special printing software for faithful printing


NEMA SPECIFICATIONS

CRYSTAL THICKNESS 6.5 MM

  • Field of view: 180x180 or 230x215 or 260x260 mm
  • Energy range: 40–400 keV
  • Intrinsic energy resolution for 99m Tc: 9.9%
  • Uniformity
  • differential CFOV: 1.9%
  • integral CFOV: 2.4%
  • differential UFOV: 2.4%
  • integral UFOV: 2.9%
  • Intrinsic spatial resolution (FWHM)
  • CFOV: 2.9 mm
  • UFOV: 3.0 mm
  • Intrinsic 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 (20% window)
  • System spatial resolution (without scatter, with LEGP coll.)
  • FWHM: 8.5 mm
  • FWTM: 16.5 mm
  • System sensitivity (with LEGP coll.):
  • 240 cpm/µCi

 

OPTIONAL ACCESSORIES

ECG triggering device for cardiac gated studies

  • Light weight imaging table
  • Integrated mobile stand, easily manoeuvrable
  • Tuning and test phantoms
  • Refillable isotope pen for anatomical marking