< Topic >The laryngoscope, has with the handle and the blade attachment component and the means which recognize the removal possible blade and the larynx opening of the patient and the means which adjust range of vision.SolutionsTo have optical refraction means it is possible the means which adjust range of vision. As another modulo, with the execution configuration which at least has the camera component of two which is directed to the range of vision where recognition means differ two at least fixing, as for the means which adjust range of vision, it is possible to have the means which are changed to the other camera from on the one hand camera or with the execution configuration to which recognition means have the camera component of working, mechanical controls the movement of the camera or to have electronic means it is possible the means which adjust range of vision. The step which adjusts range of vision is included, using the laryngoscope, also the manner which recognizes the larynx opening of the patient is included.【課題】喉頭鏡は、ハンドルと、ブレード保持部材と、取外し可能なブレードと、患者の喉頭口を視認する手段と、視野を調整する手段とを備える。【解決手段】視野を調整する手段は、光屈折手段を備えることができる。別法として、視認手段が少なくとも2つの異なる視野へ向けた少なくとも2つの固定のカメラ部材を備える実施形態では、視野を調整する手段は、一方のカメラから他方のカメラへ切り換える手段を備えることができ、あるいは視認手段が可動式のカメラ部材を備える実施形態では、視野を調整する手段は、カメラの動きを制御する機械的または電子的手段を備えることができる。視野を調整するステップを含む、喉頭鏡を使用して患者の喉頭口を視認する方法も包含される。
