发明名称 PROCESS FOR THE FORMATION OF HIGH STRENGTH BI-ABSORBABLE SUTURE PRODUCED THEREBY
摘要 A PGA/PLA copolymer suture fiber having a fiber tenacity of between approximately 7.2 to 8.0 grams per denier and a fiber elongation between approximately 22% and 35% is produced by a process that utilizes extruder apparatus having at least one heated zone that is maintained at a temperature of from about 20.degree. C below the copolymer melting point to about 5.degree.C above the copolymer melting poin t, a metering pump and a heated block that are maintained at a temperature of no more than about 40.degree.C above the copolymer melting point, a spinneret that is maintaine d at a temperature of from about 40.degree.C to about 60.degree.C above the copolymer melting point, and an elongated heated sleeve extending between six and twenty inches from the spinneret tha t is maintained at a temperature of at least about 60.degree.C above the copolyme r melting point.
申请公布号 CA2433367(A1) 申请公布日期 2003.12.25
申请号 CA20032433367 申请日期 2003.06.25
申请人 ETHICON INC. 发明人 CHEN, GAOYUAN;EGIDIO, DOMINICK
分类号 A61L17/00;A61L17/12;D01D5/08;D01F6/84 主分类号 A61L17/00
代理机构 代理人
主权项
地址
您可能感兴趣的专利