A hand-held manual surgical instrument designed to cut or incise the dura mater without damaging the underlying structures during a surgical intervention. It is typically a one-piece instrument with a sharp, single-edged, cutting blade terminating in a hook...
A hand-held, manually-operated, surgical instrument intended to catch and pull, lift, or draw aside the wound margins of skin and thin or delicate tissues [e.g., dura mater (the outermost membrane that envelops the brain and spinal cord)] during a surgical ...