| 摘要 |
PROBLEM TO BE SOLVED: To provide a medical inplenent of which surface is smoothed for facilitating insertion of a catheter or the like into a body cavity, and a manufacturing method thereof. SOLUTION: A composite layer of an inner layer and an outer layer is formed on the surface of a medical device comprising material of polyvinyl chloride, the inner layer is formed by applying water liquid comprising a cross linking agent having less hydrophilic property and reactive polyurethane to the surface of base material, and applying a drying process, and the outer layer is formed by applying solution comprising water-soluble urethane polymer having active hydrogen and water-soluble urethan prepolymer having block isocyanate radicals, and appling a heating process. |
