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Table 2 Poiseuille flow calculations for flow in stents

From: Comparative study of renal drainage with different ureteral stents subject to extrinsic ureteral obstruction using an in vitro ureter-stent model

Stent
Single 4.8F Tandem 4.8F Single 6F Tandem 6F Single 7F Tandem 7F Single 8F
Flow rate (mL/h) 77 154 88 176 235 470 516
Internal stent radius (mm) 0.58 0.60 0.77 0.93
Cross-sectional area (mm2) 2.01 4.02 3.14 6.28 4.30 8.60 5.55