The surface modification of medical devices allows manufacturers to combine the favorable mechanical or bulk properties of a material with specific functionalities at biological interfaces to optimize product performance, safety and biocompatibility. For applications in vascular access, interventional therapy, drainage or urology, surfaces are often modified to impart anti-thrombogenic, antimicrobial, anti-fouling or lubricious properties. Lubricious surfaces specifically have been traditionally achieved via the application of hydrophilic or hydrophobic coatings that can provide varying degrees of surface slipperiness or friction. However, such coatings can be associated with challenges relating to manufacturing, cost and durability. Surface modifying additive technologies can offer a simpler solution to achieving low friction surfaces while overcoming such challenges.

Authors:
Alexandra Piotrowicz, Product Development Manager, Evonik Health Care
Antonio Cillero, Research Engineer, Evonik Health Care

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