Importance

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Abstract

Semi-rigid stylets configured with a particular curve shaped and handle design to accurately advance either left-sided or right-sided double lumen endotracheal tubes to be positioned in the appropriate place are described. The semi-rigid stylets have a distal bend to counter or compensate for the inherent curvature of double lumen tubes imparted by the memory of spooled tubing stocks. Other embodiments of the semi-rigid stylets are made of materials that establish only those forces sufficient to cause the necessary bending to route a bronchial cuff to a desired lung location without causing substantial tissue injury. The semi-rigid stylets are also fitted with a curved handle configured to engage a user's thumb for easy manipulation and includes a locking component to engage a nearby tracheal tube extension to stabilize endotracheal tube shapes for insertion into the trachea and bronchial regions.

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First Claim