surgical device, in particular for minimally invasive surgery, having a spindle with a distal end equipped with a surgical instrument, for example, a grasping device, and a proximal end equipped with a surgical instrument actuating device, which actuating device It may be coupled with a mechanical actuation and / or hand gripping device, and where the surgical instrument is mounted on the sliding elements which are longitudinally movable in opposite directions relative to each other on said axis by operating the actuating device for actuation of the surgical instrument, which sliding elements are provided adjacent to each other on said axis, and wherein said sliding elements comprise a first mounted position and a detachable second position, wherein, in the first mounted position, the sliding elements are coupled via a bayonet coupling with the and are locked while in this first mounted position against rotation on said shaft to prevent release of the bayonet coupling between the sliding elements and the actuating device, and where in the second detachable position the sliding elements are simultaneously sliding at least partially off said axis to a point at which rotation of the remainder of the sliding elements on said axis is activated, and the bayonet coupling between the sliding elements and the actuating device is releasable.dispositivo cirúrgico, em particular para cirurgia minimamente invasiva, possuindo um eixo com uma extremidade distal equipada com um instrumento cirúrgico, por exemplo, um dispositivo de agarre, e uma extremidade proximal equipada com um dispositivo de atuação para instrumento cirúrgico, dispositivo de atuação esse que pode ser acoplado com um dispositivo de atuação mecânica e/ou de agarre de mão, e onde o instrumento cirúrgico é montado nos elementos deslizantes que são longitudinalmente móveis em direções opostas com relação um ao outro no dito eixo pela operação do dispositivo de atuação para a atuação do instrumento cirúrgico, element