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) A61B 17/00 (2006.01) A61B 17/06 (2006.01)
Patent
CA 2215775
We have discovered a process for producing a suture from copolymers of glycolide and .epsilon.-caprolactone comprising the steps of (a) extruding a melted copolymer of a glycolide and .epsilon.-caprolactone resin through an orifice and rapidly quenching the melted copolymer resin to produce a filament; (b) drawing the filament in the range of from about 4X to about 7.5X to produce a singly drawn filament; (c) drawing the singly drawn filament in the range of form about 1X to about 3X in a first heated zone being maintained at a temperature in the range of from about 150°F to about 450°F, to form a doubly drawn filament (d) shrinking the doubly drawn filament in the range of from about 0.75 percent to about 0.98 percent in a second heated zone being maintained at a temperature in the range of from about 100°F to about 400°F to form a relaxed filament then rack annealing the relaxed filament to form a glycolide/.epsilon.-caprolactone suture.
Nous avons découvert un procédé pour l'obtention d'un fil de suture à partir de copolymères de glycolide et d'epsilon-caprolactone, comprenant les étapes suivantes : a) extrusion d'un copolymère fondu, à base d'une résine d'epsilon-caprolactone et de glycolide, à travers un orifice, puis trempe rapide de la résine de copolymère fondue pour l'obtention d'un filament; b) étirage du filament de 4X à 7,5X environ, donnant un monofilament étiré; c) étirage du monofilament de 1X à 3X environ, dans une première zone chauffée, maintenue à une température de 150 à 450 degrés F environ, pour former un filament étiré double; d) rétrécissement du filament double de 0,75 à 0,98 % environ dans une seconde zone chauffée, maintenue à une température de 100 à 400 degrés F environ pour former un filament souple, puis recuit sur support de ce filament pour l'obtention d'un fil de suture de glycolide/epsilon-caprolactone.
Goddard Hwason
Keilman Kenneth M.
Sosely Oliver S.
Ethicon Inc.
Swabey Ogilvy Renault
LandOfFree
Process for manufacturing sutures from copolymers of... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for manufacturing sutures from copolymers of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for manufacturing sutures from copolymers of... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1408019