A device is described for securing a cranial limb to the cranial top and for simultaneously closing craniotomy holes, comprising: a cortical support riser first closing means operatively connected to the cortical riser second closing means adapted to be secured to the cortical riser and at least one handle removably connected to the cortical riser and adapted to drive the device to take it from its rest position to its operating securing position. A process for using such device is further described.