... threads, like polypropylene and polyamide, in relation to wound sealing and scar formation. Key words: suture threads, polyurethane, polypropylene, polyamide, wound-lip-sealing properties INTRODUCTION ... surgeries NOVARFIL: polybutester polymer monofilament indefinitely / good Skin closure POLYURETHANE: polyurethane polymer monofilament indefinitely / very good Skin closure, general, cardiovas-cular, ... copolymer coated by polyglactin 370, 910 and Ca++ stearate braided 65% at 14 days 50-70 days good not for tissue continuously stressed MONOCRYL: glycolide and epsilopn caprolacton copolymer...