1460742889-b82a4e16-20cf-43b6-a0a7-d13453177070

A recording medium has first and second areas on which first and second information signals are recorded respectively. Methods of using such guide sleeves for delivering devices and agents via the access provided by the sleeve, as well as methods of employing the guide sleeve in performing various therapeutic treatments, are also provided. An end memory element output is logically combined with at least one of the other memory element outputs and provides an input to the closed loop system to generate a self-initializing state machine.