The Welwalk WW-1000 system is designed for people with severe mobility loss in one leg, such as stroke patients. The motorised brace fits around the knee and lower leg, helping the wearer to bend and straighten the joint. ... "A system called Lokomat, which works on both legs, has been adopted by the NHS," he said. "There are similar systems in use in the Netherlands and the United States." These walking assist systems provide support for both legs, as this can help train the user to balance their weight and movement. "What is interesting here is the service model," he...