POLYLACTIDE SUTURES
申请(专利)号:
NL19710003263
申请日期:
1971-03-11
公开/公告号:
NL7103263A
公开/公告日期:
1971-11-16
被引量:
摘要:
Absorbable surgical sutures that are dimensionally stable within the body may be prepared by the extrusion of polylactide polymer, including copolymers of L(-) lactide with up to 35 mole percent of glycolide. Said polymers are characterized by an inherent viscosity of at least 1.0, and the extruded filaments are oriented by drawing at a temperature of about 50 DEG to about 140 DEG at a draw ratio of up to 11x, and annealed. Sutures so prepared have a tensile strength of from 25,000 p.s.i. to 100,000 p.s.i.
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