The utility model comprises a vertical cylinder hoisting device and a hoisting couplinghead arranged on one side of the vertical cylinder hoisting device.
其包括立式缸筒起重装置以及设置在立式缸 筒起重装置一侧的起重连接头。
2
For intravascular laser irradiation on blood (ILIB), we design a kind of intravenous laser-inject needle composed of fiber-duct, duct stand, flexible tube and laser couplinghead.