Ronguers, Single Action,

A rongeur is a instrument with a sharp-edged, scoop-shaped tip, used for gouging out bone. A rongeur can be used to open a window in bone. It is used in neurosurgery and orthopedic surgery to expose areas for operationA rongeur is also used in oral maxillofacial surgery. It is also used in hand surgery to cut traumatic amputated bone to allow skin to be closed over the defect.