Karl Viktor Hall: From In Situ Vein Bypass to the Tilting Disc Heart Valve Prosthesis John-Peder Escobar Kvitting, MD, PhD, Odd R. Geiran, MD, PhD The Annals of Thoracic Surgery Volume 102, Issue 5, Pages 1756-1761 (November 2016) DOI: 10.1016/j.athoracsur.2016.03.120 Copyright © 2016 The Society of Thoracic Surgeons Terms and Conditions
Fig 1 (A) A schematic drawing of the in situ vein bypass technique from Karl Viktor Hall’s publication in Surgery, 1962 (Reprinted with permission from Hall KV. The great saphenous vein used in situ as an arterial shunt after extirpation of the vein valves. A preliminary report. Surgery 1962;51:492-5.). (B) The cover page of Karl Viktor Hall’s doctoral thesis from 1965 (Reprinted with permission from Universitetsforlaget, Oslo, Norway.). The Annals of Thoracic Surgery 2016 102, 1756-1761DOI: (10.1016/j.athoracsur.2016.03.120) Copyright © 2016 The Society of Thoracic Surgeons Terms and Conditions
Fig 2 The valvulotome developed by Karl Viktor Hall. The Annals of Thoracic Surgery 2016 102, 1756-1761DOI: (10.1016/j.athoracsur.2016.03.120) Copyright © 2016 The Society of Thoracic Surgeons Terms and Conditions
Fig 3 (A) The housing of the Medtronic-Hall tilting disc heart valve prosthesis is made from a single piece of titanium. The valve with the graphite disc and the Teflon sewing ring seen from the inflow (B), outflow (C), and lateral (D) positions. The Annals of Thoracic Surgery 2016 102, 1756-1761DOI: (10.1016/j.athoracsur.2016.03.120) Copyright © 2016 The Society of Thoracic Surgeons Terms and Conditions
Fig 4 Karl Viktor Hall, professor of cardiothoracic surgery at the University of Oslo, 1974–1987. The Annals of Thoracic Surgery 2016 102, 1756-1761DOI: (10.1016/j.athoracsur.2016.03.120) Copyright © 2016 The Society of Thoracic Surgeons Terms and Conditions