A method and a device for operating an internal combustion engine having at least one mass flow line and a cooling device for cooling the mass flow in the mass flow line, as well as a bypass, having a bypass valve, that bypasses the cooling device. The knee brace includes a base and a spider member. The first channel is largest and allows for delivery of blood to a patient in an amount sufficient to maintain the patient’s metabolism and perfusion throughout the treatment or surgery. The first detected result is detected when the contact-separation member assumes the first position, and the second detected result is detected when the contact-separation member assumes the second position. A data message, such as a SMS message provided to the mobile station during operation of the radio communication system in which the mobile station is operable is converted into Braille patterns readable by a visually-impaired user of the mobile station.