Embodiments of the invention include an arbiter facility included in a test script. Expandable devices that are inserted into the stomach of the patient are maintained within by anchoring or otherwise fixing the expandable devices to the stomach walls. The bracket includes two seats and a bracket member. When the first or second icons are activated, the interface may display a description of respective example investors having investment characteristics corresponding to the respective first and second positions on the axes. The flow body covers the offset surfaces and is arranged in the area of both offset surfaces. It is proposed that the sleeve and the conductive structure form an inseparable compound.