| abstract |
The present invention relates to a medical instrument used for performing an operation while observing an affected part electronically imaged, and a medical instrument capable of continuously exhibiting good characteristics without deteriorating image quality. To provide. The surface of the medical device is a carbonaceous material base material surface made of at least one selected from a carbon fiber reinforced composite material, graphite and glassy carbon, and a magnetic material coating layer is provided on the surface. . The nonmagnetic metal coating layer is formed by at least one method selected from an electrolytic plating method or an electroless plating method. [Selection] Figure 1 |