This invention provides smooth delivery and accurate positioning of prostheses in the body. 3:1 to 5:1; and spraying the slurry into a spray-drying tower, wherein the temperature of the slurry as it enters the spray-drying tower is in the range of from 65\xb0 C. The pivot bracket can slidably connect to the frame by a pair of guides in combination with a pair of sleeves. Therefore, in response to the transmission rate of the transit interface, the system clock is adjusted to produce the data at a rate that can reduce the possibility of memory buffer full leading to the reduction in the time wasting on start-stop processes and therefore promote the scanning speed without requiring the increase in size of a memory buffer. A user may select one or more desired packages for downloading. The plurality of wiring lines includes a gate electrode provided in a position which is opposite to the semiconductor layer.