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European Radiology Experimental
Fig. 1 | European Radiology Experimental

Fig. 1

From: Effect of MRI acquisition parameters on accuracy and precision of phase-contrast measurements in a small-lumen vessel phantom

Fig. 1

Schematic drawing of the flow model. A 10-L water reservoir guaranteed a constant preload to the pump. The flow model comprised a submersible pump system and plastic tubes. The arrows indicate the flow direction. The flow phantom consisted of a plastic tube with an inner diameter of 2.2 mm passing through a plastic box filled with agar gel. The phantom was positioned inside the head coil in the scanner with the direction of flow parallel to the long axis of the bore and the scan plane perpendicular to the plastic tube in the flow phantom. The flow rate was controlled with a reservoir with a weight scale and timer placed at one end of the flow model and measured at eight different times during the entire experiment

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