Burr holes establish access points around the outlined surgical region, while a craniotome cuts the bone between those openings. This sequence creates a defined section of skull that can be lifted as a single flap rather than removing bone without a planned boundary. The resulting opening gives surgeons controlled access to the brain during the intracranial procedure.
Preserving the flap allows the original section of skull to be repositioned after the intracranial work is complete. Careful handling supports restoration of skull integrity and helps protect the brain during recovery. The flap therefore serves both an immediate surgical purpose, by permitting access, and a later reconstructive purpose, by restoring the cranial covering.
Fixation devices secure the repositioned bone flap after the brain procedure. Plates, screws, or other specified devices help keep the flap in place as the skull opening is restored. Their use connects the access stage with the recovery stage, because stable repositioning supports renewed cranial protection rather than leaving the surgical opening unaddressed.
The outline identifies the intended opening before bone removal begins. Burr holes and craniotome cuts then follow that planned boundary, producing access suited to the intracranial procedure while limiting the opening to the selected region. This planning is important in neuroscience because surgeons must reach neural tissue through the skull while maintaining a controlled surgical approach.
The sequence begins by outlining the intended opening, followed by creation of burr holes. A craniotome cuts between the holes so the bone section can be removed. Once the intracranial procedure is finished, the surgeon repositions the preserved flap and secures it with plates, screws, or another fixation device to restore the skull.
This approach supports operations that require controlled access to neural tissue, including procedures for brain tumors, vascular abnormalities, and traumatic injuries. Its broader value is access with planned restoration: the surgeon can remove a defined skull section for the intracranial work, then replace and secure that bone afterward as recovery begins.
Proper replacement restores the continuity and protective role of the skull after the intracranial procedure. Repositioning the original flap and securing it with fixation devices helps re-establish skull integrity, which is important for protecting the brain during recovery. Thus, the technique addresses both operative access and the physical restoration that follows it.