| abstract |
A medical device having a substrate and a hydrophilic polymer layer and meeting the following requirements; (1) having the hydrophilic polymer layer on at least a part of the substrate; (2) the hydrophilic polymer layer having acidity Hydrophilic polymer of base, and compound with acidic group and ring structure; (3) After standing and immersed in phosphate buffer, the time for the liquid film on the surface to be picked up from the phosphate buffer and kept in the air (Liquid film retention time) is 10 seconds or more. Provided is a medical device with a hydrophilized substrate surface and a method for manufacturing the same by a simple method. |