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Laengle S, Suria A, Poschner T, Tasdelen S, Pitsis A, Kocher A, Andreas M. Bioengineering. 2024; 11(7):666.
Clover repair offers a surgical solution that can be applied for the treatment of primary and secondary Tricuspid regurgitation (TR). Flow was provided by a pulsatile pump system (ViVitro Labs Inc., Victoria, BC, Canada), which was coupled to the right ventricle through a third connector. This new clover technique was demonstrated to successfully reduce TR in an ex vivo porcine heart model.
Other Products Cited: Customized circulatory systems Heart Valve Repair Pulsatile Flow Simulation SuperPump
Visit SourceMohl, L., Karl, R., Hagedorn, M.N. et al. Int J CARS (2024)
Complicated type B Aortic dissection is a severe aortic pathology that requires treatment through thoracic endovascular aortic repair (TEVAR). A realistic pulsatile flow through the aortic phantom is provided by a cardiac piston pump (Superpump, Vivitro Labs Inc., Victoria, Canada). The flexible aortic dissection phantom was successfully incorporated in the hemodynamic flow loop, a systolic pressure of 112 mmHg and physiological flow of 4.05 L per minute was reached.
Other Products Cited: Flow Visualization Pulsatile Flow Simulation Stent and Stent/Graft SuperPump Ultrasound Measurements
Visit SourceLennart van de Velde, Majorie van Helvert, Stefan Engelhard, Ashkan Ghanbarzadeh-Dagheyan, Hadi Mirgolbabaee, Jason Voorneveld, Guillaume Lajoinie, Michel Versluis, Michel M. P. J. Reijnen, Erik Groot Jebbink, Journal of Medical Imaging, Vol. 11, Issue 3, 037001 (May 2024)
To investigate the accuracy of high-framerate echo particle image velocimetry (ePIV) and computational fluid dynamics (CFD) for determining velocity vectors in femoral bifurcation models through comparison with optical particle image velocimetry (oPIV). A hydraulic piston pump (SuperPump, ViVitro labs, Victoria, Canada) was used to enforce time-varying forward flow. The accuracy of blood flow assessment was investigated in models of the femoral bifurcation by clinically applicable ePIV measurements and CFD simulations.
Other Products Cited: Analysis and Computational Modeling Flow Visualization Pulsatile Flow Simulation SuperPump
Visit SourceMirgolbabaee H, van de Velde L, Geelkerken RH, Versluis M, Groot Jebbink E, Reijnen MMPJ. Journal of Endovascular Therapy. 2023;0(0).
To identify potential hemodynamic predictors for limb thrombosis (LT) following endovascular aneurysm repair with the Anaconda endograft in a patient-specific phantom. A hydraulic piston-driven pump (SuperPump, ViVitro labs, Victoria) was used to set a suprarenal flow profile as inlet boundary condition. In conclusion, these in vitro data show that unfavorable hemodynamics are present in the limb that presented with LT, compared to the non-thrombosed side, with higher VC and longer RT.
Other Products Cited: Endovascular Simulator Flow Visualization Pulsatile Flow Simulation Stent and Stent/Graft SuperPump
Visit SourceArian Aghilinejad, Heng Wei, Coskun Bilgi, Alberto Paredes, Alexander DiBartolomeo, Gregory Magee, Niema Pahlevan, J Biomech Eng. 1-31
Type B aortic dissection is a life-threatening medical emergency that can result in rupture of the aorta. The aortic simulator is a hydraulic model that has physical and dynamical properties similar to the human circulatory system. This hydraulic model consists of a piston-in-cylinder pump (ViVitro Labs Inc.) that generates a physiologically accurate pulsatile flow (using a programmable waveform generator ViVigen) and a pump head, including a silicone ventricle membrane, mitral valve, and aortic valve. Results demonstrate that the deep-learning model can accurately capture the dissection geometry from patients’ medical images.
Other Products Cited: Pulsatile Flow Simulation SuperPump
Visit SourceLeila Louise Benhassen, Jacob Hesselby Hedensted, Mona Sharghbin, Tommy Bechsgaard, Sten Lyager Nielsen, John Michael Hasenkam, Peter Johansen, European Journal of Cardio-Thoracic Surgery, Volume 63, Issue 5, May 2023
For patients with isolated aortic regurgitation, a double sub- and supravalvular annuloplasty has been shown to reduce recurrent aortic regurgitation after aortic valve repair compared with a single subvalvular annuloplasty. The ventricular chamber was connected to an electromechanical piston pump system (Superpump AR series, ViVitro labs, Victoria, Canada). These two findings support the concept of a functional aortic annulus, where the two levels interact and affect the function and competence of the aortic valve.
Other Products Cited: Ex ViVo Simulation Pulsatile Flow Simulation
Visit SourceM. Marin-Cuartas, Y. Zhu, A. M. Imbrie-Moore, M. H. Park, R. J. Wilkerson, M. Leipzig, P. K. Pandya, M. J. Paulsen, M. A. Borger, Y. J. Woo, Interactive CardioVascular and Thoracic Surgery (2021) 1–9
...The severity of acute papillary muscle (PM) rupture varies according to the extent and site of the rupture. However, the haemodynamic effects of different rupture variations are still poorly understood...A 3D printer (Carbon 3D, Redwood City, CA, USA) was used to prototype a modular left heart (left atrium and ventricle) and was mounted to a pulsatile linear piston pump (ViVitro Superpump; ViVitro Labs, Victoria, BC, Canada)...
Other Products Cited: Heart Valve Repair SuperPump
Visit SourceK. Busink
...the Vivitro pump, labeled F, (SuperPump, ViVitro labs,Victoria, Canada) was used to create the oscillatory waveform...
Other Products Cited: Flow Visualization SuperPump
Visit SourceMichael J Paulsen, Annabel M Imbrie-Moore, Hanjay Wang, Jung Hwa Bae, Camille E Hironaka, Justin M Farry, Haley J Lucian, Akshara D Thakore, John W MacArthur, Jr, Mark R Cutkosky, Y Joseph Woo - European Journal of Cardio-Thoracic Surgery, ezz258
Posterior ventricular anchoring neochordal (PVAN) repair is a non-resectional technique for correcting mitral regurgitation (MR) due to posterior leaflet prolapse, utilizing a single suture anchored in the myocardium behind the leaflet... ...Porcine mitral valves were mounted in a 3-dimensional-printed heart simulator and chordal forces, haemodynamics and echocardiography were collected at baseline, after inducing MR by severing chordae, and after PVAN repair.... ...PVAN repair eliminates MR by positioning the posterior leaflet for coaptation, distributing forces throughout the valve....
Other Products Cited: Ex ViVo Simulation SuperPump
Visit SourceOnur Dur, Keif Fitzgerald, Paul Muller, Chris Parker Thoratec Corporation, Sunnyvale, CA company slide
The HeartMate PHP is a 13F catheter-based trans-aortic heart pump with a collapsible distal portion that expands to 24F to provide minimally invasive acute hemodynamic stabilization and left ventricular unloading in both prophylactic and emergent clinical settings... Objective: To evaluate the interaction of the HeartMate PHP with native cardiovascular system via in vitro pulsatile mock flow loop testing. A custom-built pulsatile heart simulator adapted from Vivitro Pulse Duplicator (Vivitro Labs Inc., Canada) was tuned to generate physiological flow pressure waveforms while mimicking the preload sensitivity of the native heart.
Other Products Cited: Pulsatile Flow Simulation Pulse Duplicator VAD Testing
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