LITTLETON, Colo.--(BUSINESS WIRE)--Zynex, Inc. (OTCBB: ZYXI), a provider of pain management systems and electrotherapy products for medical patients with functional disability, has developed a new product for its line of electrotherapy products. The product is based on the Company’s existing hardware platform. The NexWave™ is capable of delivering both transcutaneous electrical nerve stimulation, interferential current as well as neuromuscular electrical stimulation.