What technique should be employed to remove a foreign body during a direct laryngoscopy?

Using Magill's forceps is the appropriate technique for removing a visible foreign body during direct laryngoscopy because these forceps are specifically designed for grasping and manipulating objects in the airway. When a foreign body is identified in the larynx or oropharynx and is visible, Magill's forceps allow for precise control and can help safely and effectively grasp the object to facilitate its removal without causing trauma to the surrounding tissues.

The other options are less suitable in this scenario. Performing abdominal thrusts is a common technique for dislodging an object from the airway, but it is generally used in cases of obstructed airflow where the object cannot be seen or reached directly. Asking the patient to cough forcefully can help in some cases of partial obstruction, but it is ineffective when the foreign body is fully obstructing the airway and visible during a laryngoscopy. Inserting an endotracheal tube is primarily a method for securing the airway, and it would not remove the foreign body; rather, it could potentially push the object further down the airway, complicating the situation. Therefore, the use of Magill's forceps is the most direct and effective approach when the foreign body is visible during the procedure.