{HEAD ~ The collecting bag} is also provided at its discharge distal end with an oligodynamically active metal device thereby forming {TAIL ~ a system} which is completely closed against entry of ambient microorganisms 
{ HEAD ~ The collecting bag } is also provided at its discharge distal end with an oligodynamically active metal device thereby forming { TAIL ~ a system } which is completely closed against entry of ambient microorganisms
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH