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