The CUSA Clarity Bone Tip Study

Exclusion Criteria

• •Subject is currently pregnant or plans to become pregnant prior to the study index surgery
• •Subject has any significant medical condition that in the opinion of the investigator will interfere with protocol evaluation and participation
• •Subject's surgical plan includes utilizing CUSA Clarity Bone Tip for bone removal anywhere besides the cranial skull base in an open craniotomy (e.g. transsphenoidal approach or spinal procedures).
• •Subject is a prisoner or member of a different vulnerable population that should not be included in the study per the investigator or ethics committee.
• •Surgeon does not utilize CUSA Clarity Bone Tip for cranial skull base bone removal during surgery or utilizes CUSA Clarity Bone Tip anywhere else besides the cranial skull base