Abstract
Artificial blood vessels need to be adapted to human bodies eternally. Moreover, it is imperative for them not to change chemically or physically. In recent years, many bio-materials have been developed for artificial blood vessels. Of these materials, teflon (flurocarbon resine) is superior in corrosion resistance and durability, but inferior in the hydrophilic property. On the other hand, the artificial blood vessel requires hydrophilic and hydrophobic parts to be arrayed alternately on the inner wall of the tube to obtain an anti-clotting property. To reform these characteristics, many studies on surface modification of the macromolecular materials were done by a laser ablation method [1, 2].
© 1991 Optical Society of America
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