Middle: Z-stent delivered with a 28F outer-diameter delivery system. Bottom: Covered Wallstent Esophageal II delivered with an 18F outer-diameter delivery system. (B) Deployed stents. Top ...
From May 1997 until December 2002, 78 patients underwent placement of 89 highly flexible knitted, self-expanding metal stents (Ultraflex Esophageal Prostheses, Microvasive, Natick, MA, USA).