| 摘要 |
PROBLEM TO BE SOLVED: To provide an artificial larynx to be clinically used safely. SOLUTION: A base material of the artificial larynx is a meshed sheet made of polypropylene. A thin layer of amorphous collagen is layered on the surface of the base material, and further, layers of thermally crosslinked microfibril collagen are layered on the inner and outer surfaces of the thin layer of amorphous collagen. COPYRIGHT: (C)2005,JPO&NCIPI
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