The purpose of this SIG is to identify and spread this technology. They published a book about it so far. Transferring device is categorized into overhead type, fixed type and wheeled type. The fixed type is categorized into portable type, bathing use type and bedside type. The wheeled type is categorized into manually operated hydraulic type and electric powered type.
Sling is categorized into universal type, sheet type, belt type and special type.
Additionally, some typical transferring devices are introduced in it.