Numerical analyses for low Reynolds flow in a ventricular assist device

G Lopes Jr, E Bock, L Gómez - Artificial Organs, 2017 - Wiley Online Library
Scientific and technological advances in blood pump developments have been driven by
their importance in cardiac patient treatments and in the expansion of life quality in assisted …

Investigation of MEMS as accelerometer sensor in an implantable centrifugal blood pump prototype

SS Neto, JRCS Sobrinho, C da Costa, TF Leão… - Journal of the Brazilian …, 2020 - Springer
Microelectromechanical systems (MEMS) accelerometers have applications in many fields
based on the measurement of Cartesian components of the gravitational acceleration vector …

Study of a centrifugal blood pump in a mock loop system

B Uebelhart, BU da Silva, J Fonseca, E Bock… - Artificial …, 2013 - Wiley Online Library
An implantable centrifugal blood pump (ICBP) is being developed to be used as a
ventricular assist device (VAD) in patients with severe cardiovascular diseases. The ICBP …

Mesh independency analyses and grid density estimation for ventricular assist devices in multiple reference frames simulations

GB Lopes, LC Gómez, EGP Bock - … Mechanik-European Journal …, 2016 - journals.ub.ovgu.de
The evolution of mechanical circulatory supports has been essential to improve life quality
for heart disease patients. The ventricular assist devices (VAD) developments, for example …

Laser-Treated surfaces for VADs: from inert titanium to potential biofunctional materials

E Bock, W Pfleging, D Tada, E Macedo, N Premazzi… - BME …, 2022 - spj.science.org
Objective. Laser-treated surfaces for ventricular assist devices. Impact Statement. This work
has scientific impact since it proposes a biofunctional surface created with laser processing …

Cyber security in health: Standard protocols for IoT and supervisory control systems

BJ Santos, RP Tabacow, M Barboza… - … Anthology on Securing …, 2022 - igi-global.com
Cyber security in Healthcare is a growing concern. Since it has been a proliferation of IoT
devices, data breaches from the healthcare industry are increasing the concern about how …

Speed control of the implantable centrifugal blood pump to avoid aortic valve stenosis: Simulation and implementation

T Leão, J Fonseca, E Bock, R Sá… - 5th IEEE RAS/EMBS …, 2014 - ieeexplore.ieee.org
This paper presents a computational simulation and implementation of electromechanical
actuator performance of the Implantable Centrifugal Blood Pump (ICBP) as part of a speed …

Ventricular assist device research and development in Brazil: a long and promising relationship between medicine and engineering

CJT Karigyo, JWG Fonseca, AG Boscarato… - Brazilian Journal of …, 2023 - SciELO Brasil
Heart transplantation (HTx) continues to be the gold standard therapy for advanced heart
failure refractory to the conservative treatment. Nonetheless, HTx remains as a limited …

Behaviors of axial and radial electromagnetic force for cryogenic disk motor

L Ai, G Zhang, L **g, X Xu, J Si - IEEE Transactions on Energy …, 2020 - ieeexplore.ieee.org
There are axial and radial electromagnetic forces between the stator and rotor of axial flux
disk motor besides the useful torque. The electromagnetic forces act on the rotor and are …

Centrifugal blood pump for temporary ventricular assist devices with low priming and ceramic bearings

J Leme, C da Silva, J Fonseca, BU da Silva… - Artificial …, 2013 - Wiley Online Library
A new model of centrifugal blood pump for temporary ventricular assist devices has been
developed and evaluated. The design of the device is based on centrifugal pum** …