An airfoil includes an airfoil body that has a leading edge and a trailing edge and a first sidewall and a second sidewall that is spaced apart from the first sidewall. Related devices are also disclosed. The system is further provided with a display device for displaying a plurality of medical care data respectively indicating the plurality of medical care actions, the at least execution timings of which are set by the process device, in such a predetermined format that the medical care actions are respectively arranged in an order of the execution timings.