Canny Ryall Bougie 9/12 FG - 11/14 FG (245mm) Knot Pushers The size of the chisel

The size of the chisel is determined by the width and length of the blade

It is typically used during vascular surgeries to expose the surgical site

The 11-inch length of the bougie is the overall length of the device

A pencil type laryngoscope hook fitting is a medical device used to help secure a laryngoscope in place

2mm (8 inch) size is typically used for larger procedures

Canny Ryall Bougie 9/12 FG - 11/14 FG (245mm) Knot Pushers The size of the chiselThis is a type of medical device used to help guide the placement of an endotracheal tube (a tube inserted into the trachea to provide an airway) during intubation. The Canny Ryall Bougie is a flexible, curved metal rod with a rounded tip. It is available in different sizes, and this particular model ranges from 9 12 FG (French gauge) to 11 14 FG (245mm).