The efficacy and safety evaluation are conducted before and after (or during) the application of the test device. The investigator shall apply an investigational device once when visiting a suitable subject for one day.
The study is a single center clinical trial to evaluate the efficacy and safety of blood circulation improvement using an investigational medical device, which is a product on the market and it's name is Ceragem Master V6, for the risk group of Deep Vein Thrombosis (DVT) and the ordinary person. The study compares before and after the application by one time application.