A coating composition, in both its uncrosslinked and crosslinked forms, for use in delivering a medicament from the surface of a medical device positioned in vivo. The valve element is moved into an open position by magnetic attraction from a magnet mounted to a movable actuator. The central data repository stores data session information relating to a plurality of application servers and may contain session information relating to application servers located in a plurality of server farms. The components may be thermally isolated by the formation of a widened space or gap between the component joints, andor by creating a trench in the optical adhesive. The invention is also an assisted antenna pointing method.