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. Author manuscript; available in PMC: 2015 Aug 7.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2015 Jul;62(7):1342–1355. doi: 10.1109/TUFFC.2015.007016

Table 2.

Quantifications of the flow channels (Mean ± Standard Deviation)

SI 0.7 mm 0.3 mm
P(−)LS 30MPa 36MPa 30MPa 36MPa
Across (mm2) 1.79 ± 0.60 2.46 ± 0.93 6.33 ± 1.65 11.15 ± 1.22
Dmajor (mm) 1.85 ± 0.41 2.15 ± 0.51 4.04 ± 0.49 5.46 ± 0.36
Dminor (mm) 1.25 ± 0.16 1.50 ± 0.24 2.03 ± 0.32 2.77 ± 0.18
Dcircle (mm)* 1.51 ± 0.23 1.77 ± 0.30 2.84 ± 0.35 3.77 ± 0.20
Popen** 23 ± 3% 27 ± 4% 44 ± 5% 58% ± 3%
*

Dcircle is the diameter of circle has the same area as the cross-sectional area (Across) of flow channel.

**

Popen = Dcircle/Dvessel is the opening percentage of flow channel regarding to the 6.5 mm vessel lumen.