A directional antenna and a portable electronic device using the same are provided. In a portable electronic device according to the present invention, a cover member having a first display device for displaying an image and a second display device having a touch input operational portion are attached to each other so as to allow opening and closing. A first surface of the gel pad is placed in contact with a patient’s skin. In a charging mode, once the particulate is charged to the processing equipment, a first transfer container is collapsed and a second transfer container is placed in the next o-ring groove, thereby containing the remaining contaminated section of the first transfer container.