1. A Simple and Effective Method of Preventing Inadvertent Occlusion of Chest Tube Drains: The Corrugated Tubing Splint 
Anastasios K. Konstantakos, MD 
The Annals of Thoracic Surgery 
Volume 79, Issue 3, Pages (March 2005)
DOI: /j.athoracsur

2. Fig 1
The ventilator tubing is fitted onto the chest tubing by simply snapping the incised corrugated tubing over the pliable drain tubing. This is done over the entire length of the thoracostomy drain.
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )

3. Fig 2
The ventilator tubing effectively splints the thoracostomy tubing over its entire length, thus markedly preventing inadvertent kinking and occlusion of the inner chest tube drain.
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )