PGA-TMC

GA-TMC has been prepared as monofilament sutures and tissue ligatures. With a molar ratio of 64% glycolide to 36% trimethylene carbonate, it can be made into uncoated monofilament sutures that can be dyed undyed or with D&C Green #6 and retain 50% of its tensile strength at 4 weeks after implantation. These materials have better flexibility than pure PGA and are absorbed in about 7 months.

With a molar ratio of 80% glycolide to 20% trimethylene carbonate, it can be made into tissue ligatures. Tissue ligation clips are used to close tubular tissues such as blood vessels or bile ducts. They are widely used in general surgery such as cholecystectomy, cystic duct and cystic artery appendectomy, mesenteric and omental vascular liver surgery, treatment of small intrahepatic blood vessels and bile ducts, gynecological and obstetric surgery such as hysterectomy, uterine artery oophorectomy, ovarian suspensory ligament, urology such as nephrectomy, renal artery, renal vein and ureter surgery.

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