A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 17/00 (2006.01) A61L 17/12 (2006.01) D01F 6/84 (2006.01)
Patent
CA 2433367
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°C below the copolymer melting point to about 5°C above the copolymer melting point, a metering pump and a heated block that are maintained at a temperature of no more than about 40°C above the copolymer melting point, a spinneret that is maintained at a temperature of from about 40°C to about 60°C above the copolymer melting point, and an elongated heated sleeve extending between six and twenty inches from the spinneret that is maintained at a temperature of at least about 60°C above the copolymer melting point.
Chen Gaoyuan
Egidio Dominick
Ethicon Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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