A BIOENGINEERING APPROACH TO HEALING WOUND

被引:15
作者
FORRESTER, JC
ZEDERFELDT, BH
HUNT, TK
机构
[1] Departments of Surgery, University of California School of Medicine, San Francisco General Hospital, San Francisco, CA
基金
美国国家卫生研究院;
关键词
D O I
10.1016/0022-4804(69)90054-7
中图分类号
R61 [外科手术学];
学科分类号
摘要
A test procedure was set up to mechanically characterize the healing wound. The load-extension curve at constant extension rate was recorded to breaking point using an Instron Tensile Tester. Tensile strength and energy absorption were calculated and wound extension measured. The repair after injury is incomplete through 150 days. The mechanical properties are slowly regained and the progress continues even after the decrease of new collagen formation. There is still collagen turnover at 150 days, but there is, apparently, no change in the architecture of the wound which would restore the mechanical properties to their normal level. The wound is, and remains, a brittle structure, capable of absorbing much less energy than normal skin. © 1969.
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页码:207 / +
页数:1
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