Medical gas terminals mainly include: oxygen terminal, negative pressure suction terminal, compressed air terminal, laughing gas terminal, nitrogen terminal, carbon dioxide gas terminal, waste discharge terminal, etc. Commonly used medical gas terminal varieties: national standard metric system, German standard and American standard. It can be installed on the equipment belt in the ward or directly in the wall terminal box and welded with the gas pipeline.

Terminal consists of two parts: one is back-end base (various gases are different), two is front-end interface (the interface of different colors and shapes, with anti mistakenly inserted function), inside the back-end base with a non-return of maintenance valve. Maintenance valve can be screwed into threaded portion of the base. Then can cut off the gas supply after screwing terminal, enabling maintenance functions with gas.