Page 357 - Biomedical Engineering and Design Handbook Volume 1, Fundamentals
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334 BIOMATERIALS
120
100
% Retained strength 80
60
40
20
0
0 1 2 3 4 5 6 7
Weeks
FIGURE 13.13 In vitro degradation of polyglycolide. Retained tensile strength
versus time. (Reproduced from D. E. Perrin and J. P. English, “polyglycolide
and polylactide,” in Handbook of Biodegradable Polymers, A. J. Domb, J. K.
Kost, and D. M. Wiseman (eds.). London: Harwood Academic Publishers, 1997,
p. 12.)
120
100
% Retained strength 80
60
40
20
0
0 10 20 30 40 50
Weeks
FIGURE 13.14 In vitro degradation of poly(L-lactide). Retained tensile strength
versus time. (Reproduced from D. E. Perrin and J. P. English, Polyglycolide and
polylactide,” in Handbook of Biodegradable Polymers, A. J. Domb, J. K. Kost, and
D. M. Wiseman (eds.). London: Harwood Academic Publishers, 1997, p. 12.)
Polycaprolactone. Degradation: bioerosion.
O
C O
(CH 2 ) 5
n
