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Synthetic sutures made of polyhydroxybutyrate, an absorbable (i.e., biodegradable) biosynthetic polymer. These sutures are typically available in sterile monofilament or multifilament sections (e.g., 18, 30 inches/45, 76 cm long), which may be attached to a single-use needle as an integral device. They are frequently colored for easy identification during surgery. Polyhydroxybutyrate sutures keep their tensile strength for up to 12 weeks and complete absorption occurs by 12 to 18 months. Their intended use includes general soft-tissue approximation in applications requiring prolonged suture strength retention and suture flexibility.
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