Process for manufacturing sutures from copolymers of glycolide and epsilon-caprolactone
Production of a suture from a copolymer of glycolide and epsilon-caprolactone is effected by (a) extruding a melted copolymer of glycolide and epsilon-caprolactone resin through an orifice and rapidly quenching the melted copolymer resin to produce a filament; (b) drawing the filament at 4x to about...
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| creator | KEILMAN, KENNETH M GODDARD, HWASON SOSELY, OLIVER S |
| description | Production of a suture from a copolymer of glycolide and epsilon-caprolactone is effected by (a) extruding a melted copolymer of glycolide and epsilon-caprolactone resin through an orifice and rapidly quenching the melted copolymer resin to produce a filament; (b) drawing the filament at 4x to about 7.5x in a 1st drawing zone to produce a drawn filament; (c) drawing the singly drawn filament in a 2nd drawing zone to 1x to about 4x while in a 1st heated zone at 150-450 [deg]F to form a doubly drawn filament; (d) relaxing the doubly drawn filament in the range = 0.75x to about 0.98x in a 2nd heated zone at 100-400 [deg]F to form a relaxed filament; then (e) rack annealing the relaxed filament to form the suture. Also claimed is a glycolide/epsilon-caprolactone suture is also claimed. |
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| language | eng ; fre ; ger |
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| subjects | APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS DIAGNOSIS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS,ROPES OR THE LIKE HUMAN NECESSITIES HYGIENE IDENTIFICATION MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MECHANICAL FINISHING OF YARNS OR ROPES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING SURGERY TEXTILES WARPING OR BEAMING YARNS |
| title | Process for manufacturing sutures from copolymers of glycolide and epsilon-caprolactone |
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