Fig. 1From: Investigational treatment of rheumatoid arthritis with a vibrotactile device applied to the external earSite of application of vibrotactile device to the cymba concha of the ear. (a) Major anatomical landmarks of the external ear (pinna) with approximate outline of the cymba concha. The cymba concha is a highly-conserved anatomical feature of the external ear that was identified by the device operator. (b) Representative device placement of the vibrotactile device in contact with the cymba conchaBack to article page