1. A Novel Device for Accurate Chest Tube Insertion: A Randomized Controlled Trial 
Niels Katballe, MD, PhD, Lars B. Moeller, MD, Winnie H. Olesen, MD, Marina M. Litzer, MD, Gratien Andersen, MD, Vytautas Nekrasas, MD, Peter B. Licht, MD, PhD, Peter Bach, MD, Hans K. Pilegaard, MD 
The Annals of Thoracic Surgery 
Volume 101, Issue 2, Pages (February 2016)
DOI: /j.athoracsur
Copyright © 2016 The Society of Thoracic Surgeons Terms and Conditions

2. Fig 1
The KatGuide is a guiding device for accurate positioning of large-bore chest tubes in the pleural cavity.
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2016 The Society of Thoracic Surgeons Terms and Conditions

3. Fig 2
Drawings show use of the KatGuide for drainage of (A) apical air and (B) basal fluid. The KatGuide is inserted in the safe triangle and directed to the area of the pleural cavity that needs drainage. The KatGuide is removed when the chest tube is in position.
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2016 The Society of Thoracic Surgeons Terms and Conditions

4. Fig 3
Evaluation of chest tube position. Area 1 is the optimal chest tube position in the intended apical position (above the aortic notch). Area 2 is the optimal chest tube position in the intended basal position (2 cm above the diaphragm or lower).
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2016 The Society of Thoracic Surgeons Terms and Conditions