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CVIR Endovascular
Fig. 1 | CVIR Endovascular

Fig. 1

From: The ViaHole technique: a novel approach for recanalizing major side branch occluded by Viabahn stent-graft

Fig. 1

In vitro experiments assessing the performance of various devices. The performance of devices in penetrating the ePTFE of Viabahn stent-graft and the state of holes in the ePTFE created by balloon expansion were assessed. A–C Unsuccessful penetration into stent-graft using the hardest 0.014-inch tapered type guidewire, guidewire tail, and Wingman (Reflow Medical Inc., San Clemente, USA), with a needle at the tip of the catheter; and D successful penetration into the stent-graft using a 20-gauge needle; and E, F holes created by 3.0 mm (black arrow) and 4.0 mm balloons (white arrow) in the ePTFE site on the stent-graft remaining open without acute recoil

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