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MapCHECK IMRT QA System

MapCHECK™ is the worldwide leader in film-less IMRT QA. This is due to precision detectors which measure absolute pinpoint dose in steep gradients more accurately than ionization chambers, and more reproducibility than film. Combined with software known for ease of use and powerful analysis options, MapCHECK is the original gold standard for IMRT QA.

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Description Additional Information

Hardware

Active Detector area: 0.8 mm x 0.8 mm (0.64mm²)
Inner Array: 10 x 10 cm array: 7.07 mm diagonal, 1.0cm horizontal/vertical
Outer Array: 6 cm wide: 14.14 mm diagonal, 2.0cm horizontal/vertical
Axial and Transverse (X,Y) linear array length: 22 cm, 1.0 cm detector spacing
Diagonals linear array length: 25.4 cm, 7.07 mm detector spacing
User calibrated every 1-2 years using a patented calibration method

Applications

Dose plan verification (field by field, composite or rotational/arc)
MLC QA; Small detectors identify MLC misalignments as fine as 0.2mm
Beam QA (routine flatness, symmetry, output measurements)
Gating QA (with MotionSim XY/4D option)
Dose based EPID IMRT QA (with EPIDose option)

Setup

Simple, quick setup makes getting started easy
Single cable carries power, data and is common to other Sun Nuclear instruments
Add buildup if desired, not required
CT Scan if desired, not required
Option of using Isocentric Mounting Fixture (IMF™) for measurement at prescription angle
Select calibration file
QA takes just slightly longer than the time needed to deliver the plan

In the news

Accessories

MotionSIM XY4D

MotionSIM XY4D™ is a sophisticated hardware and software upgrade option for all MapCHECK™ users. MotionSim works with the MapCHECK as the only treatment simulator that can reproduce actual target motion (projected to BEV motion for each beam) obtained from a 4D CT (or other methods). A programmable gating surrogate is included, which is compatible with both RPM and belt systems. MotionSim completely simulates an in-motion target to assess the dose distribution to the target, for gated and non-gated deliveries. Treat the MapCHECK array while it is on the MotionSim to see dose distributions accumulate in real time with the effects of the actual target motion.

103-1289

Sun Nuclear Model 1177000-V, Varian IMF-MC2 (Isocentric Mounting Fixture), Sturdy gantry fixture holds MapCHECK™, MapCHECK™2, PROFILER 2™, and Daily QA 3™ at 100cm SDD. Mounts securely to LINAC accessory tray. Holds solid water up to 10cm depth.

103-1290

Sun Nuclear Model 1177000-S, Siemens IMF-MC2 (Isocentric Mounting Fixture), Sturdy gantry fixture holds MapCHECK™, MapCHECK™2, PROFILER 2™, and Daily QA 3™ at 100cm SDD. Mounts securely to LINAC accessory tray. Holds solid water up to 10cm depth.