MIPS Molecular Imaging Program at Stanford

Brian Rutt

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Publication Details

  • Computer-controlled flow simulator for MR flow studies.

    Frayne R, Holdsworth DW, Gowman LM, Rickey DW, Drangova M, Fenster A, Rutt BK. J Magn Reson Imaging. 1992 Sep-Oct; 2 (5): 605-12

    A novel computer-controlled flow simulator for use in magnetic resonance (MR) flow experiments was evaluated. The accuracy in constant-flow mode was better than 1%. The accuracy in pulsatile-flow mode was found to be dependent on the interconnecting tubing. The short-term and long-term reproducibilities of pulsatile waveforms were less than or equal to 0.4 mL/sec (1 standard deviation). Increased response times due to the lengths of tubing required in MR flow experiments were surmounted by using a modified tubing configuration and precompensated waveforms. Piston reversal was found not to cause major difficulties in MR flow experiments.

    PubMedID: 1392256

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