Quality Assurance System for Advanced Radiotherapy (QUASAR™)

QUASAR™ supports the testing of a wide variety of dosimetric and nondosimetric functions of Radiation Therapy Planning Systems and CT Simulators using a range of innovative QA phantoms.

QUASAR™ phantoms are a valuable part of any quality assurance program. From respiratory motion and MLC beam geometry to daily on-board imaging QA, QUASAR™ phantoms are ready to be incorporated into your QA protocols for regularly scheduled testing. They are also effective for commissioning new systems and upgrades, and testing repairs.

Designed by and for medical physicists, QUASAR™ phantoms provide you with confidence that your radiation treatment planning software and CT simulators are performing to their full potential.

	QUASAR™ Respiratory Motion Phantom is a state-of-the-art breathing simulator for conducting quality assurance testing on radiotherapy systems. Using a personal computer to communicate with the Programmable Respiratory Motion Phantom, the software application downloads patient respiratory waveforms to the phantom, simulating the breathing function.  Learn more about Respiratory Motion QA Phantoms
	QUASAR™ Respiratory Motion Platform is designed to move your existing phantoms with programmable respiratory and sinusoidal motion profiles for patient-specific QA. The Platform’s unique multi-directional motion simulation capability allows it to move in the superior/inferior direction but can also generate a lateral hysteresis motion with amplitudes up to 1.0 cm.  Learn more about Respiratory Motion Platform QA Phantoms
	QUASAR™ Catphan Shaker is designed to enable 4D CT image quality assurance by moving a Catphan® phantom with programmable respiratory and sinusoidal motion profiles.  Learn more about Respiratory Motion Platform QA Phantoms
	QUASAR ™ Multi-Purpose Body Phantom is a flexible QA tool designed to perform both dosimetric and nondosimetric tests on radiotherapy systems, the QUASAR™ Multi-Purpose Body Phantom incorporates a wide variety of test objects in a solid acrylic housing.  Learn more about Multi-Purpose Body QA Phantom
	QUASAR™ Penta-Guide Phantom is used for the commissioning and daily testing of Image-Guided Radiotherapy (IGRT) systems. The Penta-Guide ensures the accuracy of linac-mounted image guidance systems, including cone beam CT (CBCT), x-ray volumetric imaging (XVI) and on-board imaging (OBI).  Learn more about Penta-Guide QA Phantom
	QUASAR™ IsoCenter Cube Phantom is designed to provide information needed to clinically implement a modified Winston-Lutz test for IGRT accuracy. With the new Analysis Software you can analyze EPID radiation field exposures, analyze various shaping devices, report left/right, superior/inferior and anterior/posterior errors at configurable gantry, collimator and table angles.  Learn more about IsoCenter Cube QA Phantom
	QUASAR™  Verification Phantom enables accurate measurements on a wide variety of radiotherapy techniques, including IMRT, SRS and rotational therapies, such as VMAT, RapidArc™ and TomoTherapy®.  Learn more about Verification QA Phantom
	QUASAR™ GRID3D Image Distortion Analyisis System is designed to evaluate image distortion in 3D MR images for stereotactic radiosurgery (SRS). The System is comprised of a phantom and analysis software which work together to produce a 3D map of spatial distortion with submillimeter accuracy throughout a volume of interest.  Learn more about GRID3D QA Phantom
	QUASAR™ MLC Beam Geometry Phantom is designed to address the complex non-dosimetric, beam geometry and beam imaging features of modern planning systems by testing the integrity and revealing errors in beam imaging, DICOM transfer, registration, alignment, and orientation.  Learn more about MLC Beam Geometry QA Phantom