Source:http://linkedlifedata.com/resource/umls/id/C0175640
UMD: Devices used to influence other objects, media, a human's body or body part in order to transfer the treatment basis for which the bath is intended to the object. Purposes can be, e.g., cleansing, therapeutic, temperature change, chemical reaction, etc. Objects can also be exposed to mechanical influence, e.g., ultrasonic waves, water jets from nozzles for massage, or other forms of reaction.