BIOSYN synthetic absorbable sutures are prepared from Glomar 631, a synthetic polyester composed of glycoside (60%), diolamine (14%), and trim ethylene carbonate (26%). These sutures are colored violet to increase visibility and are also available undyed. BIOSYN sutures are indicated for use in general soft tissue approximation and/or ligation including use in ophthalmic surgery, but not for use in cardiovascular or neurological surgery.