High-strength multi-component suture

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United States of America Patent

PATENT NO 9986999
APP PUB NO 20150066080A1
SERIAL NO

14471716

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Abstract

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A method for making an expanded, and optionally multi-component and/or colored PTFE monofilament is disclosed. The method includes forming a first paste by mixing a PTFE powder with a hydrocarbon solvent; forming an extrusion preform by pressing the first paste into a form; curing the extrusion preform by exposing the extrusion preform to a first temperature for a first time duration; forming a green monofilament by extruding the first paste through a die; expanding the green monofilament by exposing the green monofilament to a second temperature for a second time duration, the second time duration occurring after the first time duration; stretching the green monofilament substantially along a longitudinal axis of the green monofilament, the stretching the green monofilament occurring after the expanding the green monofilament; and sintering the green monofilament after the stretching the green monofilament. The method may include doing all or some of the expanding, stretching and sintering steps simultaneously.

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Patent Owner(s)

Patent OwnerAddress
TELEFLEX MEDICAL INCORPORATED3015 CARRINGTON MILL BOULEVARD MORRISVILLE NC 27560

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Jiunn-Yow Amherst, US 10 51
Dinsmore, Dean New Ipswich, US 2 7
Olson, James R Norwich, US 20 922
Wallace, Jeffrey Saunderstown, US 27 179

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