Anaesthetics India Pvt. Ltd offers Robertshaw Blades. Anaesthetics India Pvt. Ltd is ISO 9001: 2000, ISO 13485: 2003 certified. Robertshaw blades have straight tongue with a gentle curve near the tip. These Robertshaw blades are very useful for nasotracheal intubation in nursing home & hospitals. In addition, these Robertshaw blades are ideal for pediatric use as their bulb is covered.