Swivel 15 mm connector provides easy handling Flexible neckplate with slits for strapinsertion providing secure positioning Designated size and nominal outside diameter markings on the neckplate Reliable inflation apparatus comprising of inflating tube, pilot balloon, and a check-valve with luer connection Soft, thin-walled, high-volume, low-pressure cuff Atraumatic, soft rounded tip, transparent, curved cannula Clear radiopaque line facilitates to help spatial positioning Obturator to prevent tissue drag an lumen obstruction