Dynamic Roentgen stereophotogrammetry Dynamic Roentgen stereophotogrammetry Dynamic Roentgen stereophotogrammetry (also referred to as dynamic RSA) is a modern and sophisticated x-ray recording method, used to measure real-time 3D motions of prostheses and bones during motion with high accuracy. It is mostly used in orthopedic research settings and is an advancement of conventional RSA. Conventional static RSA is used to evaluate migration of prosthesis with respect to the bone in three dimensions as a function of time. Migration of the prosthesis are normal 12‐24 months after the surgery. Ongoing migration increase the risk of aseptic loosening with revision surgery as a consequence. The method
Roentgen Stories Roentgen Stories Roentgen Stories is a DVD collective of four promotional videos (PVs) by popular Japanese rock vocalist Hyde. Released November 3, 2004 by Ki/oon Records and Haunted Records. It features the PVs of the three singles and additional bonus music video. All songs are from his first solo album, Roentgen. The order the videos are arranged on the DVD are coincidentally the order in which they were released. The videos are meant to be watched in a series, so that the four together tell a story, with prevailing themes of life and death and the mingling of the two.