• Akihiko Maeyama, Mitsuharu Kodaka, and Hideki Miyao.
• Department of Anesthesiology, Saitama Medical Center Saitama Medical University, Kawagoe 350-8550.
• Masui. 2009 Oct 1;58(10):1323-7.

BackgroundBattery-powered BONFILS Retromolar Intubation Fiberscope (B-scope) is a nonflexible fiberscope having the same curvature as the Macintosh laryngoscope. Battery-powered StyletScope (S-scope) has a flexible apex whose direction was controlled by grasping a handle. We assessed the operational performance of the two scopes.MethodsFifty patients were randomly allocated in the two groups :25 patients were in the B group (B-scope) and 25 were S group (S-scope) after obtaining written informed consent. We evaluated Mallampati class classification, size of tracheal tube, and intubation time.ResultsThere are no significance differences between the two groups in Mallampati class, demographic date and intubation time (23 +/-15 sec in B-group and 26 +/-14 sec in S-group). Both scopes were good in operational performance.ConclusionsBONFILS Retromolar Intubation Fiberscope and StyletScope are both good in the operational performance.

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