A cell for inclusion in a cell library used in designing integrated circuits. The control valve comprises least one air economy setting setting a choke cross section and a high power setting defining a flow cross section larger than it. The cutting device can be an osteochondral chisel, a trephine, or a combination thereof. The data collector file includes a log file, which is used to store initial request data, and a data file, which is used to store data other than the initial request data.