Developments in control systems for rotary left ventricular assist devices for heart failure patients: a review

AHH AlOmari, AV Savkin, M Stevens… - Physiological …, 2012 - iopscience.iop.org
From the moment of creation to the moment of death, the heart works tirelessly to circulate
blood, being a critical organ to sustain life. As a non-stopping pumping machine, it operates …

Continuous-flow rotary left ventricular assist devices with “3rd generation” design

FD Pagani - Seminars in thoracic and cardiovascular surgery, 2008 - Elsevier
Left ventricular assist device (LVAD) therapy has become an established treatment option
for patients with advanced heart failure. Broader application of this therapy has been limited …

Minimum mass vascular networks in multifunctional materials

HR Williams, RS Trask… - Journal of the Royal …, 2008 - royalsocietypublishing.org
A biomimetic analysis is presented in which an expression for the optimum vessel diameter
for the design of minimum mass branching or vascular networks in engineering applications …

Development of a suction detection system for axial blood pumps

M Vollkron, H Schima, L Huber, R Benkowski… - Artificial …, 2004 - Wiley Online Library
Axial flow blood pumps for cardiac assistance have proven their clinical viability and benefit
in recent years. However, the clinical systems to date have no direct mechanism to decrease …

An Optimal H-Infinity Controller for Left Ventricular Assist Devices Based on a Starling-like Controller: A Simulation Study

M Bakouri, A Alassaf, K Alshareef, S Abdelsalam… - Mathematics, 2022 - mdpi.com
Left ventricular assist devices (LVADs) are emerging innovations that provide a feasible
alternative treatment for heart failure (HF) patients to enhance their quality of life. In this …

Numerical modeling of hemodynamics with pulsatile impeller pump support

Y Shi, PV Lawford, DR Hose - Annals of biomedical engineering, 2010 - Springer
There is significant interest in the development and application of variable speed impeller-
pump type ventricular assist devices designed to generate pulsatile blood flow. However, no …

Advanced suction detection for an axial flow pump

M Vollkron, H Schima, L Huber, R Benkowski… - Artificial …, 2006 - Wiley Online Library
An automatic detection system for ventricular collapse was developed and tested in a first
clinical trial as part of a physiological speed control concept for axial flow pumps. From this …

A sensorless rotational speed-based control system for continuous flow left ventricular assist devices

M Meki, Y Wang, P Sethu, M Ghazal… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
Objective: Continuous Flow Left Ventricular Assist Devices (CFLVAD) are circulatory support
devices that are implanted in patients with end-stage heart failure. We developed a novel …

VentrAssist™ left ventricular assist device: clinical trial results and Clinical Development Plan update

D Esmore, P Spratt, R Larbalestier… - European journal of …, 2007 - academic.oup.com
Objectives: To summarise the primary efficacy and safety results from the first international
clinical trial with the VentrAssist™ left ventricular assist device and to provide an update on …

Physical model‐based indirect measurements of blood pressure and flow using a centrifugal pump

T Kitamura, Y Matsushima, T Tokuyama… - Artificial …, 2000 - Wiley Online Library
This article describes a technique offering indirect measurements of pump pressure
differential and flow with certain accuracy independent of changes in blood viscosity. This …