This study compares the 6 mm nitinol Zilver biliary endoprostheses and the 10 mm nitinol Zilver biliary endoprostheses to the 10 mm Wallstent in appropriate patients in need of palliative treatment of malignant obstructive jaundice.
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Patency
Timeframe: up to 32 months
Closure or Blockage of the Stent (Occlusion)
Timeframe: up to 32 months
Number of Days to Occlusion
Timeframe: up to 32 months
Number of Deaths
Timeframe: up to 32 months
Time to Death
Timeframe: up to 32 months