A device for use in performing minimally invasive surgery A system for performing minimally invasive surgery compπsing the device according to the present invention. A method for performing minimally invasive surgery. According to one embodiment, there is provided a device comprising a user interface comprising: a) a proximal portion, an intermediate portion and a distal portion, where the intermediate portion connects the proximal portion to the distal portion； and b) a pushrod, a shaft and a spring, where the distal portion is configured to reversibly mate with a working end.
