This invention relates to a clip type cranial flap closing and anchoring device comprising a single structure including first part in contact with top surface of the flap and second part in contact with bottom surface of said flap maintaining a gap therebetween to accommodate the flap, wherein the first part is fixedly secured to third part for fastening the device to the skull. It is associated with the following advantageous features:- - Very fast to operate. - Cost effective. - Does not need any special instrumentation for application. - Prevention of damage to brain. - Fast re-opening of craniotomy flap without need for special instrumentation. - Reusable. - Allows outward movement of cranial flap in case of brain edema.