Medical appliance having polyimide film and method for manufacture thereof

摘要

Provided is a medical appliance excellent in slidability and durability. A medical appliance comprising a base material, a polyimide film (A) and a polymer film (B) having a higher nitrogen content and/or a higher oxygen content than respective contents of the polyimide film (A). The appliance has the polymer film (B) on a part or the whole of the surface of the base material, and has the polyimide film (A) on the polymer film (B).

主权项

1. A medical appliance comprising a substrate, a polyimide film (A), and a polymer film (B) having a higher nitrogen atomic content and/or oxygen atomic content than the polyimide film (A), the substrate having the polymer film (B) on a partial or entire portion of a surface thereof, and the polyimide film (A) being on top of the polymer film (B),
wherein the polymer film (B) comprises a polyimide polymer which has nitrogen atoms and/or oxygen atoms introduced into a molecular structure of the polyimide polymer, wherein a polyimide of which the polyimide film (A) is composed and/or the polyimide polymer of the polymer film (B) is at least one member selected from the group consisting of polyimides having structures represented by following formulas (I)-(III):