A non sterile reusable device designed to trim the drawn belt after the cranial bone flap fixation clamp was applied and holding the skull bone properly.

A non sterile reusable device designed to tension the drawn belt when the cranial bone flap fixation clamp was applied properly on the skull.

A sterile non-metallic non-absorbable device designed to be partially implanted around the perimeter of a replaced cranial bone flap after a craniotomy to ensure structural stability during the healing period.