The metal powder is dispersed in suitable binders and coated on a portion of the outer peripheral surface of the tube 12 at spaced intervals along the length thereof as at 25 corresponding in position to the coils 22 of the catheter 10 shown in FIG 1, the oligodynamically treated areas being determined by {HEAD ~ the length} of {TAIL ~ the male or female urethra} 
The metal powder is dispersed in suitable binders and coated on a portion of the outer peripheral surface of the tube 12 at spaced intervals along the length thereof as at 25 corresponding in position to the coils 22 of the catheter 10 shown in FIG 1 , the oligodynamically treated areas being determined by { HEAD ~ the length } of { TAIL ~ the male or female urethra }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL