Medical devices and assemblies for diagnosis, prognosis, prevention and treatment of cardiac arrhythmia, namely, catheters, guidewires, guiding catheters, introducer catheters and sheaths for delivery of medical devices to remote body spaces

preparing and placing advertisements for others; promoting the goods of others in the field of cardiac electrophysiology by means of printed and audio promotional materials and by rendering sales promotion advice; wholesale and retail distributorships featuring cardiac electrophysiology devices and accessories therefor