Non-absorbable materials are used to suture tissues requiring long term or permanent support in which the product strength is critical. They tend to be classed in two distinct areas; whether they are monofilament or multifilament and if they are natural or synthetic. ETHICON Products has a wide range of non-absorbable sutures to match today's demanding surgical procedures including exceptionally smooth PROLENE, and the superior strength of braided ETHIBOND EXCEL