Please note VentrAssist® is approved for sale in Europe and is an investigational device and limited by US law to investigational use only.

2008

Donald S. Esmore, David Kaye, Robert Salamonsen, Mark Buckland, John R. Begg, Justin Negri, Peter Ayre, John Woodard and Franklin L. Rosenfeldt
Initial Clinical Experience With the VentrAssist Left Ventricular Asssit Device: The Pilot Trial
Journal of Heart Lung Transplant. 2008;27: 479-85.

2007

Einly Lim, Shaun L. Cloherty, John A. Reizes, David G. Mason, Robert F. Salamonsen, Dean M. Karantonis, Nigel H. Lovell.
A Dynamic Lumped Parameter Model of the Left Ventricular Assisted Circulation.
Proceedings of the 29th Annual International Conference of the IEEE EMBS, Cité Internationale, Lyon, France, August 23-26, 2007.

Esmore D, Spratt P, Larbalestier R, Tsui S, Fiane A, Ruygrok P, Meyers D, Woodard J.
VentrAssist™ left ventricular assist device: clinical trial results and Clinical Development Plan update.
European Journal of Cardio-Thoracic Surgery 2007;32(5):735-744.

Karantonis DM, Cloherty SL, Mason DG, Ayre PJ, Lovell NH.
Non-invasive Pulsatile Flow Estimation for an Implantable Rotary Blood Pump.
Proceedings of the 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, France, August 23-26, 2007.

Chapman E, Parameshwar J, Jenkins D, Large S, Tsui S.
Psychosocial issues for patients with ventricular assist devices: a qualitative pilot study.
American Journal of Critical Care. 2007 Jan;16(1):72-81.

Karantonis DM, Mason DG, Salamonsen RF, Ayre PJ, Cloherty SL, Lovell NH.
Classification of Physiologically Significant Pumping States in an Implantable Rotary Blood Pump: Patient Trial Results.
ASAIO Journal 2007; 53:617–622.

Karantonis DM, Lovell NH, Ayre PJ, Mason DG, Cloherty SL.
Classification of physiologically significant pumping states in an implantable rotary blood pump: effects of cardiac rhythm disturbances.
Artificial Organs. 2007;31(6):476-9.

Malagutti N, Karantonis DM, Cloherty SL, Ayre PJ, Mason DG, Salamonsen RF, Lovell NH.
Noninvasive average flow estimation for an implantable rotary blood pump: a new algorithm incorporating the role of blood viscosity.
Artificial Organs. 2007;31(1):45-52.

2006

Karantonis DM, Cloherty SL, Mason DG, Salamonsen RF, Ayre PJ, Lovell NH.        Automated Non-Invasive Detection of Pumping States in an Implantable Rotary Blood Pump.                                                                                                     Conference Proceedings IEEE Engineering in Medicine and Biology Society. 2006;1:5386-9.

Karantonis DM, Lovell NH, Ayre PJ, Mason DG, Cloherty SL.
Identification and classification of physiologically significant pumping states in an implantable rotary blood pump.
Artificial Organs. 2006;30(9):671-9.

Karantonis DM, Narayanan MR, Mathie M, Lovell NH, Celler BG.
Implementation of a real-time human movement classifier using a triaxial accelerometer for ambulatory monitoring.
IEEE Transactions on Information Technology in Biomedicine. 2006;10(1):156-67.

2005

Esmore DS, Kaye D, Salamonsen R, Buckland M, Rowland M, Negri J, Rowley Y, Woodard J, Begg JR, Ayre P, Rosenfeldt FL.
First clinical implant of the VentrAssist™ left ventricular assist system as destination therapy for end-stage heart failure.
Journal of Heart Lung Transplant. 2005;24(8):1150-4

2004

Chung MK, Zhang N, Tansley GD, Qian Y.
Experimental determination of dynamic characteristics of the VentrAssist™ implantable rotary blood pump.
Artificial Organs. 2004;28(12):1089-94.

Chung MK, Zhang N, Tansley GD, Woodard JC. Impeller behavior and displacement of the VentrAssist™ implantable rotary blood pump. Artificial Organs. 2004;28(3):287-97.

2003

Ayre PJ, Lovell NH
Identifying physiologically significant pumping states in implantable rotary blood pumps using non-invasive system observers.
Proceedings of the 25th Annual lntemational Conference of the IEEE Engineering in Medicine and Biology Society, Mexico, September 17-21, 2003.

James NL, van der Meer AL, Edwards GA, Snelling SR, Begg JD, Esmore DS, Woodard JC. Implantation of the VentrAssist™ Implantable
Rotary Blood Pump in sheep.
ASAIO Journal. 2003;49(4):454-8

James NL, Wilkinson CM, Lingard NL, van der Meer AL, Woodard JC.
Evaluation of hemolysis in the VentrAssist™ implantable rotary blood pump.
Artificial Organs. 2003;27(1):108-13.

van der Meer AL, James NL, Edwards GA, Esmore DS, Rosenfeldt FL, Begg JD, Woodard JC.
Initial in vivo experience of the VentrAssist™ implantable rotary blood pump in sheep.
Artificial Organs. 2003;27(1):21-6

Ayre PJ, Lovell NH, Woodard JC.
Non-invasive flow estimation in an implantable rotary blood pump: a study considering non-pulsatile and pulsatile flows.
Physiological Measurement. 2003;24(1):179-89.

2001

Ayre PJ, Lovell NH, Morris RW, Wilson ML, Woodard JC.
Identifying physiologically significant pumping state transitions in implantable rotary blood pumps used as left ventricular assist devices: an in-vivo study.
2001 Proceedings of the 23rd Annual Engineering in Medicine and Biology Society International Conference, October 25-28, Turkey.

Fujisawa N, Bertram CD, Woodard JC, Poole-Warren LA, Schindhelm K.
Fluid dynamics of a textured blood-contacting surface.
Journal of Biomechanics Engineering. 2001;123(1):97-105.

Bertram CD, Qian Y, Reizes JA.
Computational fluid dynamics performance prediction for the hydrodynamic bearings of the VentrAssist™ rotary blood pump.
Artificial Organs. 2001;25(5):348-57.

2000

Fujisawa N, Odell RA, Poole-Warren LA, Bertram CD, Woodard JC, Schindhelm K.
Acute cellular interaction with textured surfaces in blood contact.
Journal of Biomedical Mater Research. 2000 5;52(3):517-27.

Ayre PJ, Vidakovic SS, Tansley GD, Watterson PA, Lovell NH.
Sensorless flow and head estimation in the VentrAssist™ rotary blood pump.
Artificial Organs. 2000;24(8):585-8.

Qian Y, Bertram CD.
Computational fluid dynamics analysis of hydrodynamic bearings of the VentrAssist™ rotary blood pump.
Artificial Organs. 2000;24(6):488-91.

Tansley G, Vidakovic S, Reizes J.
Fluid dynamic characteristics of the VentrAssist™ rotary blood pump.
Artificial Organs. 2000;24(6):483-7.

Vidakovic S, Ayre P, Woodard J, Lingard N, Tansley G, Reizes J.
Paradoxical effects of viscosity on the VentrAssist™ rotary blood pump.
Artificial Organs. 2000;24(6):478-82.

Watterson PA, Woodard JC, Ramsden VS, Reizes JA.
VentrAssist™ hydrodynamically suspended, open, centrifugal blood pump.
Artificial Organs. 2000;24(6):475-7.

1999

Fujisawa N, Poole-Warren LA, Woodard JC, Bertram CD, Schindhelm K.
A novel textured surface for blood-contact.
Biomaterials. 1999;20(10):955-62.