Bioabsorbable materials and medical devices made therefrom

Details Bioabsorbable materials and medical devices made therefrom Bioabsorbable materials and medical devices made therefrom

C - Chemistry, Metallurgy

08

G

C08G 63/08 (2006.01) A61F 2/28 (2006.01) A61L 31/06 (2006.01)

Patent

CA 2299935

A bioabsorbable material such as a terpolymer of poly-(L-lactide/D- lactide/glycolide). The material may consist of 85 molar percent L-lactide, 5 molar percent D- lactide, and 10 molar percent glycolide. The material may have a heat of fusion of about 15-25 J/G, tensile strength retention at 26 weeks of incubation of at least about 50%, and tensile strength retention at 52 weeks of incubation of at most about 25%. The material may be used in implantable devices such as bone fixation devices.

Matière bioassimilable telle qu'un terpolymère de poly-(L-lactide/D- lactide/glycolide). La matière peut être composée de 85 pour cent molaire de L-lactide, 5 pour cent molaire de D- lactide et de 10 pour cent molaire de glycolide. La matière peut présenter une chaleur de fusion d'environ 15-25 J/G, une conservation de la résistance à la traction d'au moins environ 50 % après 26 semaines d'incubation, et une conservation de la résistance à la traction d'au plus environ 25 % après 52 semaines d'incubation. La matière peut être utilisée dans des dispositifs implantables tels que les dispositifs de fixation d'os.

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