MatriXX Evolution & Matrixx FFF

MatriXX ionization chamber detector arrays are designed for fast and accurate verification of patient dose and Linac QA.

• Unique universal detector for Patient QA and Machine QA: both applications powered by the myQA – global QA platform
• Fast and intuitive, from measurement setup to analysis
• Most accurate for rotational and IMRT QA: shortest 20ms data sampling time, high dose rate, and high spatial resolution with 1,020 ionization chambers
• Most reliable solution with more than 1,500 systems in the world

MatriXX for Varian^_® Halcyon^{TM 1}

The MatriXX solution with miniPhantom and myQA Patients is your ideal solution for efficient  Halcyon¹⁾  patient plan verification. 

Description

MatriXX with myQA Patients is the solution for high dose rate and rotational 2D plan verification.

MatriXX is a universal detector also suited for Machine QA.

MatriXX Evolution

Proven detector based on more than 1,500 MatriXX systems worldwide

• Combine with the miniPhantom and Gantry Angle Sensor to attain the most accurate measurements for verification with myQA Patients.
• Optimized for conventional, IMRT, and rotational cases delivered in standard dose rate mode. 
• Also suitable for high-dose-rate cases (up to 12 Gy/min).

MatriXX FFF

Ultimate High-Dose-Rate Solution (up to 48 Gy/min)

• Fast: High-end design for workflow efficiency, from setup to measurement and analysis.
• Flexible: Determined for high-dose-rate (up to 48 Gy/min), Flattening-Filter-Free, and conventional measurements.
• FFF Proven: Supports current and future high-dose-rate delivery systems including Varian^®, Elekta^®, and Siemens^®.

New! MatriXX Resolution

• Highest IMRT & VMAT measurement resolution with 50% more data points
• Efficiency through complete wireless design for fast and seamless setup    

Technical Specs

• MatriXX Evolution
• Compatible with the Varian® Halcyon™ and Ethos™ System ¹⁾
• Sensor type: Vented parallel ion chamber 
• Number of sensors: 1020, arranged in a 32 × 32 grid except for the 4 corner positions 
• Active measurement area: 24.4 cm × 24.4 cm
• Chamber diameter: 4.5 mm
• Chamber height: 5.0 mm
• Chamber volume: 80 mm³
• Distance between chambers: 7.62 mm (center to center)
• Nominal sensitivity: 2.4 nC/Gy
• Collection efficiency (pulsed beam at 300 Hz – 360 Hz PRF): ≥ 99.0% at 0.3 mGy/pulse, ≥ 98.5% at 0.6 mGy/pulse, ≥ 97.0% at 1.1 mGy/pulse
• Dose Rate Range: 0.02 – 12 Gy/min
• Dose Rate Dependence: < ±1.0%
• Dose Range: 0 – 10 Gy
• Bias voltage: 500 ± 30 V
• Absorber material on top: 3 mm ABS Tecaran (density 1.06 g/cm3)
• Water equivalent depth: 3.1 mm
• Effective point of measurement (Peff): 3.5 mm below the surface, indicated by engraved markers on the housing sides
• Deviation from Linearity: ≤ 1% for dose ≥ 0.02 Gy

MatriXX FFF

• Compatible with the Varian® Halcyon™ and Ethos™ System ¹⁾
• Sensor type: Vented parallel ion chamber
• Number of sensors: 1020, arranged in a 32 × 32 grid except for the 4 corner positions
• Active measurement area: 24.4 cm × 24.4 cm
• Chamber diameter: 4.5 mm
• Chamber height: 2.0 mm
• Chamber volume: 32 mm³
• Distance between chambers: 7.62 mm (center to center)
• Nominal sensitivity: 1.4 nC/Gy
• Maximum dose rate: 48 Gy/min
• Charge collection efficiency (pulsed beam at 300 Hz PRF): ≥ 99.0% at (1.0 mGy/pulse), ≥ 98.5% at (2.0 mGy/pulse)
• Minimum dose rate: 0.02 Gy/min
• Bias voltage: 500 ± 30 V
• Absorber material on top: 6 mm ABS Tecaran (density 1.06 g/cm3)
• Water equivalent value: 6.4 mm
• Effective point of measurement (Peff): 6.5 mm below the surface, indicated by engraved markers on the housing sides.
• Deviation from Linearity ≤ 1% if dose ≥ 0.15 Gy