Vaso-occlusive devices are provided that have a polymer foam disposed about them. The polymer is treated with a plasma to facilitate thrombogenicity. A method for making and using such devices also is provided. The preferred polymer is a copolymer of a halogenated vinylidene and a halogenated alkene.
Yang, C., Y. Li, H. Do, M. Gounis, I. Chun, R. C. Davis, D. R. Sherman
US 20070239205 A1