1. Minimally invasive coronary artery bypass grafting: port-access approach versus off- pump techniques 
Hermann Reichenspurner, MD, PhD, Dieter H Boehm, MD, PhD, Armin Welz, MD, Christoph Schmitz, MD, Stephen Wildhirt, MD, Costas Schulze, MD, Bruno Meiser, MD, Albert Schütz, MD, Bruno Reichart, MD 
The Annals of Thoracic Surgery 
Volume 66, Issue 3, Pages (September 1998)
DOI: /S (98)

2. Fig 1
Endovascular cardiopulmonary bypass system consisting of Endovenous Drainage Cannula, Endopulmonary Vent catheter, Endocoronary Sinus Catheter (if needed), and endoaortic occlusion catheter (Endoaortic Clamp) (Heartport Inc, Redwood City, CA).
The Annals of Thoracic Surgery  , DOI: ( /S (98) )

3. Fig 2
Performance of a proximal anastomosis in a Port-Access (Heartport Inc, Redwood City, CA) coronary artery bypass grafting procedure through a small anterior thoracotomy.
The Annals of Thoracic Surgery  , DOI: ( /S (98) )

4. Fig 3
The Octopus (Medtronic GmbH, Düsseldorf, Germany) system used for mechanical stabilization of the coronary arteries.
The Annals of Thoracic Surgery  , DOI: ( /S (98) )