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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

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BMC Urology

ISSN: 1471-2490

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