There is provided a technique that is capable of attracting a sample without making the voltage applied to an electrostatic chuck unnecessarily large. The power system switches off a drive circuit of a DC-DC converter and supplies voltage to a load from a linear regulator if the load is light, while the power system halts voltage supply to the load from the linear regulator and switches the drive circuit of the DC-DC converter on if the load is heavy. The extendable portion of the catheter shaft elongates in response to tension applied by the balloon as the folds open during inflation. The back office GUI also including a tab region located in an upper portion thereof and including log off, user home, manage agents, customer home, shop, and cart tabs. A method may further comprise causing the determined conflict and at least one conflict resolution to be displayed in an instance in which a conflict is determined.