a flexible monofilament surgical suture having unique handling and knot tying characteristics . said suture comprises a drawn and oriented monofilament of a poly , having the following combination of mechanical properties : tensile strength -- at least about 60 , 000 psi knot strength -- at least about 35 , 000 psi young &# 39 ; s modulus -- between about 80 , 000 and 280 , 000 psi elongation -- from about 20 % to 80 %.