Mechanical type excrement discharging controller

The invented mechanical controller for discharging excrement consists of main controller, subcutaneous switch, charging power source and interface for charging.Where the main controller uses marmem material as main body, on its periphery there is electrothermal material suitable to the contour changing,the most outer layer is formed by bending insulation material, it sleeves on the periphery of the far end intestinal canal. Following the on-off of the power source, the form is changed to attain the goal of discharging excrement. By slightly changing it can also be used for controlling urination.