Painting Plastinated Neurovascular Pathways: Evaluation of Coloring Techniques

Painting of neurovascular structures has been used to highlight these structures to facilitate the study of anatomy. Previously at the University of Michigan, neurovascular pathways of plastinates were painted with Tamiya ® Acrylic paints using conventional application with a brush. With continued handling over time, significant deterioration of the paint was observed. It was believed that the paint chipped off because the silicone surface did not provide adequate adhesion for the paint. Therefore, this project was designed to test new products and new application methods that might improve survival of the highlighting product when applied to the plastinated neurovascular pathways. Various products (paints, solvents, and base coats) and methods were selected for testing. Of these, acrylic paint applied to the specimen prior to catalyst (CT 32, Dow Corning) and application of ethyl silicate (Silbond-40 ® ) over the paint, provided a strong and durable paint that could withstand vigorous handling.