and the Colonic Z Stent (Wilson-Cook) are colonic stents commercially available in the US. The TTS Niti-S Colorectal Stent (Taewoong-Medical Co., Ltd, Seoul, South Korea) and the Hanarostent ...
(B) Chest radiograph demonstrating Ultraflex stent position. (A)Z-stent with Dua antireflux valve within its protective casing. (B) Endoscopic view of deployed Z-stent with Dua antireflux valve.
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