Knee System * The JStim works by sending tiny electrical signals to the joint while combining infrared heat and compression * The JStim has 2 modes of operation: DT (daytime) and NT (nighttime) * The NT mode is the main treatment mode designed as a cumulative therapy to therapeutically treat OA and RA * The DT mode was designed to combat pain immediately * It is safe to use the DT mode as little or as much as needed * FDA approved * The JStim 1000 includes a proprietary signal generating device a special electrotherapy treatment wrap (for the knee or hand) and PMT