Fiber optic bronchoscopy (BSO) is comprised of thusands of optical fibers with a diameter of less than 10 um solid fibersglass wrapped flexible, there is a set ofojective lens on the eyepiece at the dsital and proximal end. The lens will give a clear picture of the endo tracheal lumen, depending on the case and the operator the insertion of BSO may be nasal or oral BSO on the respiratpry tract …