{HEAD ~ A combination catheter} and drainage system includes a flexible tubular member oligodynamically treated in part and having an aperture adjacent said one end to allow communication between a main lumen and the exterior of the tubular member, a balloon being provided adjacent the aperture and an auxiliary lumen being connected to the main lumen for inflating the balloon and {TAIL ~ a urine collecting bag} connected to the tubular member via a connector means which is oligodynamically treated 
{ HEAD ~ A combination catheter } and drainage system includes a flexible tubular member oligodynamically treated in part and having an aperture adjacent said one end to allow communication between a main lumen and the exterior of the tubular member , a balloon being provided adjacent the aperture and an auxiliary lumen being connected to the main lumen for inflating the balloon and { TAIL ~ a urine collecting bag } connected to the tubular member via a connector means which is oligodynamically treated
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