The device is made up of a dry and wet pendant. There is adjustable infusion support on the wet pendant. There are several platforms for medical monitors on the dry pendant. On both pendants,the gas outlets (such as O2, Air and Vacuum),the strong/weak current and the network input terminal are all distributed at the position within the reach of the medical personnel. The single pendant can rotate to a maximum of 330°. It can also be fixed at any position according to the requirements of the medical personnel. The pendants can be used separately or combined, which take little space.