title: An useful accessory device for nasal speculum utilized in the trans-sphenoidal approach to the sella turcica. Technical note.
abstract: We present an accessory device for nasal speculum utilized in the transphenoidal approach to the sella turcica. It, stopping the bulging of the superior lip and the soft tissues viciniori between the two opening valves, permits perfect visibility of the operating field and a greater space for surgical manoeuvres.
mesh_terms: D006801:Humans; D009493:Neurosurgery / Q000295:instrumentation*; D010911:Pituitary Neoplasms / Q000601:surgery; D012658:Sella Turcica / Q000601:surgery*; D013100:Sphenoid Bone