An improved catheter is provided that is particularly useful for mapping the Purkinje fibers for potential diagnosis of ventricular fibrillation. The coating composition includes a binder containing a polyester resin that is formed using at least one aromatic, dicarboxylic acid and at least one asymmetric diol. A proper subset of the search event data items is identified, the proper subset of search event data items being search event data items for search events related to an image search. In addition, the apparatus receives and stores the electronic information contents from the information distributing means.