2020
DOI: 10.3390/s20051451
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Abstract: Blood pumps have found applications in heart support devices, oxygenators, and dialysis systems, among others. Often, there is no room for sensors, or the sensors are simply unreliable when long-term operation is required. However, control systems rely on those hard-to-measure parameters, such as blood flow rate and pressure difference, thus their estimation takes a central role in the development process of such medical devices. The viscosity of the blood not only influences the estimation of those parameters… Show more

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Cited by 5 publications
(5 citation statements)
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“…The density of the samples influences the pressure difference created by the pump, while the pressure head stays constant. 20 The GPR modelling presented in this work was first tested in an in vitro setting with water-glycerol mixtures as blood substitutes in a previous study. 20 The accuracy of the estimator was high with RMSE = 46 ml min −1 , 8.7 mmHg and 0.049 mPa⋅s, for flow rate, pressure difference and viscosity respectively.…”
Section: Discussionmentioning
confidence: 99%
See 2 more Smart Citations
“…The density of the samples influences the pressure difference created by the pump, while the pressure head stays constant. 20 The GPR modelling presented in this work was first tested in an in vitro setting with water-glycerol mixtures as blood substitutes in a previous study. 20 The accuracy of the estimator was high with RMSE = 46 ml min −1 , 8.7 mmHg and 0.049 mPa⋅s, for flow rate, pressure difference and viscosity respectively.…”
Section: Discussionmentioning
confidence: 99%
“…20 The GPR modelling presented in this work was first tested in an in vitro setting with water-glycerol mixtures as blood substitutes in a previous study. 20 The accuracy of the estimator was high with RMSE = 46 ml min −1 , 8.7 mmHg and 0.049 mPa⋅s, for flow rate, pressure difference and viscosity respectively. Water-glycerol is usually a widely accepted blood model, but it is nonetheless a Newtonian fluid while blood is not.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…However, although these conventional viscometers exhibit accurate and reliable measurement performance, these methods have obvious limitations in conventional use because of their expensive equipment and large sample consumption. These shortcomings increase the necessity of using microfluidic technology to measure and evaluate blood viscosity [ 10 , 11 , 12 ].…”
Section: Introductionmentioning
confidence: 99%
“…The utilization of smart medical pumps J V Alamelu, A. Mythili includes drug administration, pumping of blood, administration of anaesthesia [7]. Research has been handled to estimate blood flow rate in blood pumps using the Gaussian process regression model and estimate viscosity, and a pressure difference is concentrated [8]. The drug parameters such as coefficient of viscosity and ambient temperature impact the flow rate in an infusion pump.…”
Section: Introductionmentioning
confidence: 99%