Pletix is a system which allows the detection of circulatory problems and causes of heavy, restless legs and cosmetic problems. The instrument is a non-invasive test, which measures the refilling time (RT). This refers to the time that the blood takes to return to the calf after a forced movement has caused a momentary emptying. It is user-friendly, can be operated by on-screen instructions. The test procedure is simple, safe and the results obtained are clear and easy to understand. Its technology has been tried and tested, and the the print out of results is immediately received by the user.