A combination toothbrush and peak flow meter system for increasing the compliance of peak flow measurements in children and adults with asthma. In one embodiment, the flexible sealing member may be pressed against the vascular wall by an outwardly biased spring means attached to the sealing member. The icon pixels 36 may also have the first refreshing arrangement M1, 6, 7 so that they can be used either as part of the active matrix for displaying arbitrary data or when selected as such, for overlaying the icon image on the arbitrary image data. A consumer device is connected to the heating fluid receiving device. With the addition, the address outputted from each one-bit counter circuit is inverted, but otherwise the same signal as the address outputted from each one-bit counter circuit is outputted.