Medical Devices and Medical Equipment Design CST Circular Stapler by TOUCHSTONE The CST platform is an advanced surgical stapler used in many surgeries to remove part of an organ or tissue and to recreate the function of an alimentary canal. Engineer rethinks and redesigns the entire structure, to solves the stapler problem of malformation caused by the “piston effect”. It helps to reduce the cost of medical treatment, simplifies the surgeon's learning curve, and provides a better experience.