Many medical devices such as hospital equipment, emergency equipment and prosthetic devices are examples of applications that could use friction hinges or rotary viscous dampers. Elbow joints,  knees and ankles are good examples. In the arena of hospital equipment we have gurneys, wheel chairs and hospital beds that could benefit from the use of our product.  All of our products are Rohs compliant and manufactured in an ISO environment using GMP practices. Clean room assembly procedures are available for applications requiring such care. Contact us at www.mmtech.us for you specific application