A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
167/323, 18/49
A61B 17/08 (2006.01) A61L 17/10 (2006.01) A61L 17/14 (2006.01) A61L 31/06 (2006.01) C08G 63/664 (2006.01)
Patent
CA 1196158
ABSTRACT The strength and functional integrity of a thermally formed surgical device made from a polymer of p-dioxanone are improved by drying the thermally formed device at a temperature of less than 30°C to remove subs- tantially all moisture from the device. The dried device is then heated in a dry, inert atmosphere at a temperature of 50°C to 90°C for a period of time sufficient to increase the crystallinity of the device to at least 43%. The resultant new product comprises a thermally formed sur- gical device made from a polymer of p-dioxanone having a density of at least 1.384 grams per cubic centimeter and a crystallinity of at least 43%. The new surgical devices of the invention also have improved audible and tactile properties as well as improved shelf-life.
408213
Gertzman Arthur A.
Thompson Darrell R.
Ethicon Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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