The goal of this prospective randomized cross over clinical trial is to compare the difference in the percentage of glottic opening (POGO) between two different video laryngoscopy blades, the hyperangulated Cobalt blade and the straight Miller blade in neonates or small infants with body weight ≤ 5 kg and age ≤ 3 months. The main questions it aims to answer are: * Is there a significant difference in the POGO using the standard Miller video laryngoscope blade versus the non-standard hyperangulated Cobalt video laryngoscope blade in neonates and small infants? * Are there significant differences in the first attempt success rate at intubation, the number of attempts, the time to successful intubation, the type of blade used for successful intubation, and the occurrence of adverse events during intubation, such as episodes of bradycardia or desaturation? 40 (20 in each group) neonates or small infants with body weight ≤ 5 kg or age ≤ 3 months will be enrolled in one of the two groups over 2 years of work. Researchers will compare the POGO and Cormack and Lehane (C\&L) classification using the hyperangulated Cobalt blade versus the straight Miller blade to identify the technique that provides optimal glottic views and intubating conditions in this patient population, and thus improved patient's safety.
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POGO %
Timeframe: Intraoperatively
C&L classification
Timeframe: Intraoperatively