Case Control Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Feb 7, 2015; 21(5): 1546-1553
Published online Feb 7, 2015. doi: 10.3748/wjg.v21.i5.1546
Table 2 Specifications of three-types of single-balloon endoscopes
VariableSIF-Y0004-V01SIF-Y0004SIF-Q260
Direction of viewForward viewingForward viewingForward viewing
Angle of view120°120°140°
Outer diameter (mm)
Distal end9.29.29.2
Insertion end9.29.29.2
Bending section
Up/down180°/180°180°/180°180°/180°
Right/left160°/160°160°/160°160°/160°
Working length (mm)152015202000
Total length (mm)184018402345
Working channel diameter (mm)3.23.22.8
Water jetYesYesNo
Passive bending and high force transmissionYesNoNo