A therapeutic device is provided. The first elongate tubular body is disposed proximal and tandem to the second elongate tubular body, and the first and second tubular bodies are permanently disposed so that the first and second tubular bodies are not adjacent to each other. The mobile device andor a communications network may send identification information to the resource controller that identifies the mobile device and distinguishes it from other mobile devices. Configuring the notification options includes configuring a notification interval between successive notifications of the pending deletion event of deleting the recording and configuring a notification of the pending deletion event of deleting the recording that was recorded by another user. When used, for example, to remove acetylenic compounds from butadiene streams, higher recovery of the desired butadiene with lower acetylenic content and low heavy polymer deposition is obtained than was possible with prior catalysts.