This research aims the development of a vibratory stimulating device which can be used in the function-MRI environment, in order to induce illusory kinesthesia. Hence, the attention is focused on the Flat Ring Tube (FRT), which is an actuator that oscillates by fluid power. The developed vibratory device is then tested in an f-MRI measurement experiment. The proposed device showed great compatibility within the f-MRI environment, providing the necessary tendon vibratory stimulation, and as result, the brain activity response to the illusory kinesthesia is verified.