A ureteral stent for assisting the movement of urine along a patient’s ureter and into the patient’s bladder. The touch panel has a display region and a non-display region. The pesticide is gradually released out of the matrix to the surface of the device. The door includes a major surface and a plurality of finger-like projections disposed on the major surface. The plug-in having the closest match to the criteria is then executed by the application. A photosensor provided in the position pointing device detects a scanning beam from a display device and generates a light detection signal.