ACCUKNIFE

AccuLeaf

Mechanical and Geometrical Specifications :

Isocenter values are LINAC dependent and therefore are approximated.

Number of Leaves96 (48 pairs) in two perpendicular levels
Clearance Isocenter~300mm LINAC dependent
Clearance Isocenter tungsten
Leaf Height set in two layers, 38mm each
Leaf width @ isocenter 
14 inner leaves~3.1mm @isocenter
10 outer leaves~5.3mm @isocenter
Field size @ isocenter~97x108mm
Max Leaf Travel @ isocenter~93mm
Max Leaf Over Travel @ isocenter~33mm
External Dimensions550mm diameter x 135mm height
Overall Weightless than 28.5 kg.
  
Dosimetry: (6MV)
One Level leakage & transmissionDiffers from one LINAC to the other
Two levels overlap max leakage and transmission less than 0.6%
Effective Beam Penumbra~3.6mm
Leaves motion: An individual DC motor for each leaf
Leaves position control and verification: Integrated video guided, closed loop control system and visual graphical view of leaves position
Max Leaf speed @ isocenter: 30mm/sec
Leaf position accuracy: Less than 0.2mm @ isocenter
Power supply: 12v & 5v DC supplied from microMLC control unit
Control Unit:Contains power, video and data distribution unit , and control PC running under WIN 2000 platform

 

AccuChanger

Collimators Specifications:
Isocenter parameters values are LINAC dependent

Number of Fields: 16
Fields diameters @ isocenter: 4 mm to 34 mm in 2.0 mm steps
Material : Tungsten, - tapered collimators
Effective Beam penumbra less than 30% per mm (~2mm)
Clearance to Isocenter:~280mm
  
Automatic Changer Specifications:
Changing Method revolving drum
Motion and Control DC motor, controlled
Positioningelectro mechanical
Position Guiding and Verification Methodclosed loop video system
Overall weightLess than 14.5 kg

AccuMount

AccuMount Fixation and Positioning System:
Position tracking accuracy (AccuScope)0.1mm
Position accuracy (AccuCouch)0.2mm
Patient fixation accuracy 
Adult patient0.7 + 0.35mm
Toothless adult 1.2 + 0.6mm
  
Vacuum controlled mouthpiece designed and
manufactured by Medical Intelligence Gmbh

Positioning Guiding and Verification Method:
Video guided system

AccuKnife Regulatory Approvals:

CE - Europe
MHW - Japan

Specifications subject to change without notice