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Fontan patients often develop circulatory failure and are in desperate need of a therapeutic solution. A blood pump surgically placed in the cavopulmonary pathway can substitute the function of the absent sub-pulmonary ventricle by…

Tissues and Organs · Quantitative Biology 2019-04-19 Masoud Farahmand , Minoo N. Kavarana , Ethan O. Kung

Continuous-flow ventricular assist devices (VADs) have been an increasingly common, life-saving therapy for advanced heart-failure patients, but elevate the risk of thrombosis due to a combination of non-physiological hemodynamics and…

Tissues and Organs · Quantitative Biology 2021-07-07 Anjana Jayaraman , Junhyuk Kang , Megan A. Jamiolkowski , William R. Wagner , Brian J. Kirby , James F. Antaki

This paper investigates the impact of implantable cardioverter defibrillator (ICD)'s load on its lithium battery power sources through a coupled electro-thermal dynamic model simulation. ICDs are one of the effective treatments available to…

Systems and Control · Electrical Eng. & Systems 2023-02-02 Mahsa Doosthosseini , Mahdi Khajeh Talkhoncheh , Jeffrey L. Silberberg , Sandy Weininger , Hamed Ghods

In order to improve the performance of existing technologies based on single crystal diamond grown by chemical vapour deposition (CVD), and to open up new technologies in fields such as quantum computing or solid state and semiconductor…

Materials Science · Physics 2009-09-08 I. Friel , S. L. Clewes , H. K. Dhillon , N. Perkins , D. J. Twitchen , G. A. Scarsbrook

In this work, we explore the ability of plasma assisted chemical vapor deposition (PACVD) operating under high power densities to produce thin high-quality diamond layers with a controlled doping with negatively-charged nitrogen-vacancy…

Materials Science · Physics 2015-04-09 A. Tallaire , M. Lesik , V. Jacques , S. Pezzagna , V. Mille , O. Brinza , J. Meijer , B. Abel , J. -F. Roch , A. Gicquel , J. Achard

Ventricular Fibrillation is a disorganized electrical excitation of the heart that results in inadequate blood flow to the body. It usually ends in death within seconds. The most common way to treat the symptoms of fibrillation is to…

Systems and Control · Computer Science 2015-12-29 Houssam Abbas , Kuk Jin Jang , Zhihao Jiang , Rahul Mangharam

Using microwave-assisted plasma chemical vapour deposition (CVD) a layer of Nitrogen doped ultra-nano-crystalline diamond (N-UNCD) is deposited on top of a non-conducting diamond layer, which itself is situated on a Silicon wafer. This…

Mesoscale and Nanoscale Physics · Physics 2013-03-15 Nina Eikenberg , Kumar Ganesan , Kin Kiong Lee , Mark T. Edmonds , Laurens H. Willems van Beveren , Steven Prawer

Resuscitative thoracotomy, a high-risk procedure involving open heart massage, serves as a last resort for life-threatening conditions like penetrating chest wounds, severe blunt trauma, or surgery-related cardiac arrest. However, its…

The left ventricular assist device (LVAD) has been used for end-stage heart failure patients as a therapeutic option. The aortic valve plays a critical role in heart failure and its treatment with LVAD. The cardiovascular-LVAD model is…

Tissues and Organs · Quantitative Biology 2018-12-19 Jeongeun Son , Dongping Du , Yuncheng Du

Left ventricular assist devices (LVADs) can provide mechanical support for a failing heart as bridge to transplant and destination therapy. Physiological control systems for LVADs should be designed to respond to changes in hemodynamic…

Systems and Control · Electrical Eng. & Systems 2020-02-14 Masoud Fetanat , Michael Stevens , Christopher Hayward , Nigel Hamilton Lovell

Life-threatening ventricular arrhythmias (VA) are the leading cause of sudden cardiac death (SCD), which is the most significant cause of natural death in the US. The implantable cardioverter defibrillator (ICD) is a small device implanted…

Machine Learning · Computer Science 2020-08-19 Zhenge Jia , Zhepeng Wang , Feng Hong , Lichuan Ping , Yiyu Shi , Jingtong Hu

Left ventricular assist devices (LVADs) are used to provide haemodynamic support to patients with critical cardiac failure. Severe complications can occur because of the modifications of the blood flow in the aortic region. In this work,…

Cardiovascular disease (CVD) is the leading cause of death and premature mortality worldwide, with occupational environments significantly influencing CVD risk, underscoring the need for effective cardiac monitoring and early warning…

Systems and Control · Electrical Eng. & Systems 2024-11-22 Yongyang Tang , Zhe Chen , Ang Li , Tianyue Zheng , Zheng Lin , Jia Xu , Pin Lv , Zhe Sun , Yue Gao

Abstract Applications of nitrogen-vacancy (NV) centers in diamond in quantum technology have attracted considerable attention in recent years. Deterministic generation of ensembles of NV centers can advance the research on quantum sensing,…

Quantum Physics · Physics 2019-07-03 T. Chakraborty , F. Lehmann , J. Zhang , S. Borgsdorf , N. Wöhrl , R. Remfort , V. Buck , U. Köhler , D. Suter

Boron implantation with in-situ dynamic annealing is used to produce highly conductive sub-surface layers in type IIa (100) diamond plates for the search of a superconducting phase transition. Here we demonstrate that high-fluence MeV…

Materials Science · Physics 2016-06-21 L. H. Willems van Beveren , R. Liu , H. Bowers , K. Ganesan , B. C. Johnson , J. C. McCallum , S. Prawer

Diamond is a host for a wide variety of colour centres that have demonstrated outstanding optical and spin properties. Among them, the nitrogen-vacancy (NV) centre is by far the most investigated owing to its superior characteristics, which…

Applied Physics · Physics 2020-11-26 J. Achard , V. Jacques , A. Tallaire

Vascular shunt insertion is a fundamental surgical procedure used to temporarily restore blood flow to tissues. It is often performed in the field after major trauma. We formulate a problem of automated vascular shunt insertion and propose…

We report the obtaining and primary studies of ~ 250microns thick multi-layer Ti-based protective coating deposited at high cooling rate from substance generated by cathode arc discharge in vacuum. High adhesion to steel substrate was…

Multipactor discharges are widely observed in the accelerator field, and their suppression has been studied to improve accelerator performance. A dielectric-assist accelerating (DAA) cavity is a standing-wave accelerating cavity that…

Accelerator Physics · Physics 2021-02-24 Shingo Mori , Mitsuhiro Yoshida , Daisuke Satoh

In this paper, we present the infrared coronagraphic test bench of the University of Li\`ege named VODCA (Vortex Optical Demonstrator for Coronagraphic Applications). The goal of the bench is to assess the performances of the Annular Groove…

Instrumentation and Methods for Astrophysics · Physics 2016-05-03 Aissa Jolivet , Pierre Piron , Elsa Huby , Olivier Absil , Christian Delacroix , Dimitri Mawet , Jean Surdej , Serge Habraken
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