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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

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

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

Left ventricular assist devices (LVADs) are surgically implanted mechanical pumps that improve survival rates for individuals with advanced heart failure. While life-saving, LVAD therapy is also associated with high morbidity, which can be…

Signal Processing · Electrical Eng. & Systems 2020-02-28 Xinlin J. Chen , Emma T. LaPorte , Leslie M. Collins , Priyesh Patel , Ravi Karra , Boyla O. Mainsah

A blood turbine-pump system (iATVA), resembling a turbocharger was proposed as a mechanical right-heart assist device without external drive power. In this study, the iATVA system is investigated with particular emphasis on the blood…

Fluid Dynamics · Physics 2024-04-17 Kagan Ucak , Faruk Karatas , Emre Cetinkaya , Kerem Pekkan

Transcatheter valve repair presents significant challenges due to the mechanical limitations and steep learning curve associated with manual catheter systems. This paper investigates the use of robotics to facilitate transcatheter…

Robotics · Computer Science 2025-10-07 Léa Pistorius , Namrata U. Nayar , Phillip Tran , Sammy Elmariah , Pierre E. Dupont

Institute Dante Pazzanese of Cardiology (IDPC) develops Ventricular Assist Devices (VAD) that can stabilize the hemodynamics of patients with severe heart failure before, during and/or after the medical practice; can be temporary or…

Billions of vascular access procedures are performed annually worldwide, serving as a crucial first step in various clinical diagnostic and therapeutic procedures. For pediatric or elderly individuals, whose vessels are small in size…

Robotics · Computer Science 2025-04-09 Shuaiqi Jing , Tianliang Yao , Ke Zhang , Di Wu , Qiulin Wang , Zixi Chen , Ke Chen , Peng Qi

This work presents a biventricular electromechanical human heart model that is comprehensive and clinically relevant, integrating a realistic 3D heart geometry with both systemic and pulmonary hemodynamics. The model uses a two-way…

Medical Physics · Physics 2025-09-05 Milad Hasani , Alireza Rezania , Sam Riahi

Myocardial infarction significantly degrades heart function, and current treatments can bring forth serious cost and complications including blood clots and infections. To improve the current state of treatment, researchers are developing…

This paper presents GARD, an upper limb end-effector rehabilitation device developed for stroke patients. GARD offers assistance force along or towards a 2D trajectory during physical therapy sessions. GARD employs a non-backdrivable…

Robotics · Computer Science 2024-12-09 Fulan Li , Yunfei Guo , Wenda Xu , Weide Zhang , Fangyun Zhao , Baiyu Wang , Huaguang Du , Chengkun Zhang

Left ventricular assist devices (LVADs) are mechanical pumps, which can be used to support heart failure (HF) patients as bridge to transplant and destination therapy. To automatically adjust the LVAD speed, a physiological control system…

Systems and Control · Electrical Eng. & Systems 2021-05-04 Masoud Fetanat , Michael Stevens , Christopher Hayward , Nigel H. Lovell

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

Background: The deep inspiration breath hold technique (DIBH) is widely used for left-sided breast radiotherapy (RT), in order to reduce the dose to the heart and the risk of cardiotoxicity. The volumetric arc therapy (VMAT) technique…

Medical Physics · Physics 2019-03-14 C. Tamburella , G. Guibert , O. Santa Cruz , P. Weber , P. Tsousou

Atrial fibrillation (AF) and ventricular tachycardia (VT) are two of the sustained arrhythmias that significantly affect the quality of life of patients. Treatment of AF and VT often requires radiofrequency ablation of heart tissues using…

Robotics · Computer Science 2023-12-11 Yifan Wang , Zheng Qiu , Junichi Tokuda , Ehud J. Schmidt , Aravindan Kolandaivelu , Yue Chen

This paper introduces a novel robotic system designed to manage severe bleeding in emergency scenarios, including unique environments like space stations. The robot features a shape-adjustable "ring mechanism", transitioning from a circular…

Robotics · Computer Science 2026-02-03 Harshith Jella , Pejman Kheradmand , Joseph Klein , Behnam Moradkhani , Yash Chitalia

Deep Venous Thrombosis (DVT) is a common vascular disease with blood clots inside deep veins, which may block blood flow or even cause a life-threatening pulmonary embolism. A typical exam for DVT using ultrasound (US) imaging is by…

Robotics · Computer Science 2025-02-25 Dianye Huang , Chenguang Yang , Mingchuan Zhou , Angelos Karlas , Nassir Navab , Zhongliang Jiang

Fontan operation as the current standard of care for the palliation of single ventricle defects results in significant late complications. Using a mechanical circulatory device for the right circulation to serve the function of the missing…

Quantitative Methods · Quantitative Biology 2020-02-18 Masoud Farahmand , Minoo N. Kavarana , Phillip M. Trusty , Ethan O. Kung

Catheter ablation is currently the only curative treatment for scar-related ventricular tachycardias (VTs). However, not only are ablation procedures long, with relatively high risk, but success rates are punitively low, with frequent VT…

We aim to assess the effectiveness of feedback controlled resonant drift pacing as a method for low energy defibrillation. Antitachycardia pacing is the only low energy defibrillation approach to have gained clinical significance, but it is…

Tissues and Organs · Quantitative Biology 2009-11-13 S. W. Morgan , G. Plank , I. V. Biktasheva , V. N. Biktashev
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