It is designed to provide a kind of operating wire of the Medical Devices with excellent operability, there is enough reinforcement structures to surround operating wire. The medical device has a medical device main body, secondary chamber in apparatus main body is located at the medical device main body extended on length direction, pair chamber operating wire insertion and medical device main body along its length and first enhancement layer of tubulose, next enhancement layer. Second enhancement layer is positioned in away from first reinforcing layer, so that the first enhancement layer and the second enhancement layer are filled up in the space between the first enhancement layer and one section of resin constituent apparatus main body of periphery. The pair chamber is located inside resin portion constituent apparatus main body.
