David J. Spurlock, MD, Kelly Koch, BS, Daniel E. Mazur, BS, Emilia M

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Presentation transcript:

Preliminary In Vivo Testing of a Novel Pump for Short-Term Extracorporeal Life Support  David J. Spurlock, MD, Kelly Koch, BS, Daniel E. Mazur, BS, Emilia M. Fracz, ME, Robert H. Bartlett, MD, Jonathan W. Haft, MD  The Annals of Thoracic Surgery  Volume 93, Issue 1, Pages 141-146 (January 2012) DOI: 10.1016/j.athoracsur.2011.09.014 Copyright © 2012 The Society of Thoracic Surgeons Terms and Conditions

Fig 1 BioVAD schematic. Pump chamber. (A) Conditions of absent venous return, in which the pump chamber is flat (inlet pressure = 0). (B) Conditions of sufficient venous return with expansion of the pump chamber (inlet pressure > 0). (a = pump chamber; b = roller; c = rotor; d = pump chamber inlet region; e = pump chamber outlet region.) The Annals of Thoracic Surgery 2012 93, 141-146DOI: (10.1016/j.athoracsur.2011.09.014) Copyright © 2012 The Society of Thoracic Surgeons Terms and Conditions

Fig 2 BioVAD prototype (provided by MC3, Inc, Ann Arbor, MI). The Annals of Thoracic Surgery 2012 93, 141-146DOI: (10.1016/j.athoracsur.2011.09.014) Copyright © 2012 The Society of Thoracic Surgeons Terms and Conditions

Fig 3 Pump flow versus rotational speed. (RPM = revolutions per minute.) The Annals of Thoracic Surgery 2012 93, 141-146DOI: (10.1016/j.athoracsur.2011.09.014) Copyright © 2012 The Society of Thoracic Surgeons Terms and Conditions

Fig 4 Inlet and outlet pressure versus pump flow. The Annals of Thoracic Surgery 2012 93, 141-146DOI: (10.1016/j.athoracsur.2011.09.014) Copyright © 2012 The Society of Thoracic Surgeons Terms and Conditions

Fig 5 Supported heart failure model. (A) Mean arterial pressure (MAP). (B) BioVAD flow. (C) Left atrial pressure (LAP). The Annals of Thoracic Surgery 2012 93, 141-146DOI: (10.1016/j.athoracsur.2011.09.014) Copyright © 2012 The Society of Thoracic Surgeons Terms and Conditions