The present invention relates to an ultrasound imaging system comprising an ultrasound image acquisition station and a mobile display device. When disconnected from the ultrasound image acquisition station, the mobile display device may be operated by its own operating system providing general purpose applications to a user. When connected to the ultrasound image acquisition station, the hardware of the mobile display device is operated by an ultrasound application dedicated operating system stored on the ultrasound image acquisition station. By this, a low weight and flexible to use ultrasound imaging system may be provided.