Abstract: A ureteral stent assembly includes a ureteral stent, a bladder portion, and a stent pusher. The bladder portion is connected to the ureteral end of the ureteral stent with a tether. The stent pusher includes a bladder portion pusher. When the ureteral stent and the bladder portion are pushed into a predetermined position of the human body along a guidewire by the stent pusher, the guidewire passes through the ureteral stent, the bladder portion and the stent pusher, and the front end of the stent pusher is used to abut against the ureteral end of the ureteral stent. The bladder portion is sleeved on the front section of the stent pusher, and the bladder portion pusher is used to abut against the bladder portion.

Abstract: An image scaler includes a horizontal downscaler, a horizontal upscaler, and a vertical scaling unit. The horizontal downscaler is configured in front of the vertical scaling unit and the horizontal upscaler is configured in back of the vertical scaling unit, so as to operate in coordination with a selective control method. The selective control method controls an image input route depending on horizontal downscaling or upscaling requirements, so as to choose to go through or to bypass the horizontal downscaler or the horizontal upscaler to horizontally and vertically resize an image. In this way, the input signal is processed in only two stages, so that the present invention can not only reduce the process loading of the huge amount of the data volume in the final stage, and also can reduce power consumption.

Abstract: An image scaler includes a horizontal downscaler, a horizontal upscaler, and a vertical scaling unit. The horizontal downscaler is configured in front of the vertical scaling unit and the horizontal upscaler is configured in back of the vertical scaling unit, so as to operate in coordination with a selective control method. The selective control method controls an image input route depending on horizontal downscaling or upscaling requirements, so as to choose to go through or to bypass the horizontal downscaler or the horizontal upscaler to horizontally and vertically resize an image. In this way, the input signal is processed in only two stages, so that the present invention can not only reduce the process loading of the huge amount of the data volume in the final stage, and also can reduce power consumption.