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. 2021 Mar 26;100(12):e25268. doi: 10.1097/MD.0000000000025268

Figure 1.

Figure 1

The stent and delivery system (Covered BileRush Advance, Piolax Medical Devices, Yokohama, Japan). (A) The expanded stent has a diameter of 8 mm and is 60 mm in length. It is made of laser-cut nitinol wire and is partially covered by a silicone membrane. A 5-mm section at the proximal end of the stent is uncovered and flared to a diameter of 10.5 mm to prevent distal migration. The distal end is also flared to a diameter of 10.5 mm to prevent inward migration. (B) This stent is delivered with a 7.0-Fr pull-back delivery catheter. The tip of the delivery system is shaped (2.6 Fr) to enable stent deployment without fistula dilation.