Source:http://linkedlifedata.com/resource/umls/id/C0181620
UMD: Mechanical devices designed for hoisting or lowering objects or persons from one place to another that is at a different height. Most specialized lifts in healthcare facilities and homes are used to transfer disabled persons and/or to permit them to overcome vertical barriers, typically limited to a difference of about 6 m (20 feet); some are used to get to and from motor vehicles.