<prompt> The Blade of the laryngoscope used in intubation of newborn isCurved blade with uncuffed tubeStraight blade with Cuffed tubeStraight blade with uncuffed tubeCurved blade with cuffed tube  <response>: The Macintosh blade is the most widely used of the curved laryngoscope blades, while the Miller blade is the most popular style of straight blade. The Miller blades are commonly used for infants.Uncuffed tubes are limited mostly to pediatric patients in small children, the cricoid cailage, the narrowest poion of the pediatric airway, often provides an adequate seal for mechanical ventilation. 