Ceiling Pedants are designed for the needs of ICU/ER/OR in hospital. Dumbed Compound arm meets the needs of hanging kinds of medical equipments in hospital and make them all together convenient for medical staffs to operate, and simplified the installation. Above each arm can become an arm of the compound arm and make the form of formation flexible. The flexible combination meets the hospital various different needs. Feature Large swiveling angle Move up and down Heavy duty Stable and strong Safety May install abundant accessories Free maintained Fixed or mobile models choice available Arm length choice available Loading way choice available