When quality matters in imaging QA. Test object for DSA modalities
X-Check DSA is a test object for quality checks of DSA (digital subtraction angiography) equipment.
The size of the acrylic phantom is (150 x 150 x 57) mm. X-Check DSA includes a 6 mm thick slider with manual remote control and contains four Al strips for vessel simulation to check the dynamic range and artifacts.
Sensitivity checks are conducted by means of a copper step wedge with 7 steps in 0.2 mm increments.
An additional copper step of 1.4 to 0.2 mm makes it possible to evaluate logarithmic errors.
As the X-CHECK DSA is used to check the specific DSA parameters, additional equipment is needed for checks of the general parameters of fluoroscopy units, e.g., the NORMI RAD/FLU or the NORMI 3D.
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