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About
Hydrophilic surfaces refer to the surfaces with a contact angle θ<90°. Most of medical device consumable surfaces can not reached to that hydrophilic and need to be treated with coating. Commonly used coating materials include polyvinylpyrrolidone (PVP), polyvinylalcohol (PEO), polyacrylic acid (PAA) and other materials, which can attract and retain moisture to give the surfaces lubricating quality, thereby reducing the potential trauma caused by consumables entering the human body, improving the performance of these invasive procedures, and reducing protein adsorption, reducing platelet activation at the same time.
