Andrew L. Richards

Works (4)

Updated: July 18th, 2023 21:18

2011 article

Experimental Microsphere Targeting in a Representative Hepatic Artery System

Richards, A. L., Kleinstreuer, C., Kennedy, A. S., Childress, E., & Buckner, G. D. (2011, October 5). IEEE Transactions on Biomedical Engineering.

By: A. Richards n, C. Kleinstreuer n, A. Kennedy, E. Childress n & G. Buckner n

author keywords: Computational fluid-particle dynamics; hepatic artery (HA); liver tumor; radioembolization (RE)
MeSH headings : Animals; Blood Flow Velocity / physiology; Blood Physiological Phenomena; Brachytherapy / instrumentation; Computer Simulation; Drug Carriers / chemistry; Hepatic Artery / physiopathology; Humans; Microspheres; Models, Cardiovascular; Motion; Radiopharmaceuticals / chemistry; Rheology / methods
topics (OpenAlex): Hepatocellular Carcinoma Treatment and Prognosis; Liver physiology and pathology; Cyclone Separators and Fluid Dynamics
TL;DR: The experimental results validate the simulation methodology for achieving targeted microsphere distributions in a known geometry under constant flow conditions and exhibited a clear dependence on injection location that correlated very strongly with the computationally predicted results. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2010 article

A Novel Shape Memory Alloy Annuloplasty Ring for Minimally Invasive Surgery: Design, Fabrication, and Evaluation

Purser, M. F., Richards, A. L., Cook, R. C., Osborne, J. A., Cormier, D. R., & Buckner, G. D. (2010, July 22). Annals of Biomedical Engineering.

By: M. Purser n, A. Richards n, R. Cook *, J. Osborne n, D. Cormier * & G. Buckner n

author keywords: Mitral valve repair; Robotic surgery; Annuloplasty ring; Nitinol
MeSH headings : Alloys / chemistry; Computer-Aided Design; Elastic Modulus; Equipment Design; Equipment Failure Analysis; Heart Valve Prosthesis; Humans; Minimally Invasive Surgical Procedures / instrumentation; Nickel / chemistry; Titanium / chemistry
topics (OpenAlex): Cardiac Valve Diseases and Treatments; Soft Robotics and Applications; Shape Memory Alloy Transformations
TL;DR: Experimental results suggest that the NiTi core ring could be a viable alternative to flexible bands in robot-assisted minimally invasive mitral valve repair. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2009 article

A Dynamic Heart System to Facilitate the Development of Mitral Valve Repair Techniques

Richards, A. L., Cook, R. C., Bolotin, G., & Buckner, G. D. (2009, February 17). Annals of Biomedical Engineering.

By: A. Richards n, R. Cook *, G. Bolotin* & G. Buckner n

author keywords: Dynamic heart model; Mitral regurgitation; Mitral valve repair
MeSH headings : Animals; Cardiac Output; Cardiac Surgical Procedures; Echocardiography; Equipment Design; Heart / physiopathology; Heart Ventricles / physiopathology; Mitral Valve / diagnostic imaging; Mitral Valve / physiopathology; Mitral Valve / surgery; Mitral Valve Insufficiency / physiopathology; Pressure; Plastic Surgery Procedures; Sus scrofa / surgery
topics (OpenAlex): Cardiac Valve Diseases and Treatments; Mechanical Circulatory Support Devices; Cardiovascular Function and Risk Factors
TL;DR: A dynamically pressurized model was developed to control pressure and flowrate profiles in intact porcine hearts in order to quantify mitral regurgitation and evaluate the quality of mitral valve repair. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2009 article

Evaluation of a Shape Memory Alloy Reinforced Annuloplasty Band for Minimally Invasive Mitral Valve Repair

Purser, M. F., Richards, A. L., Cook, R. C., Osborne, J. A., Cormier, D. R., & Buckner, G. D. (2009, September 19). The Annals of Thoracic Surgery.

By: M. Purser n, A. Richards n, R. Cook *, J. Osborne n, D. Cormier n & G. Buckner n

MeSH headings : Animals; Disease Models, Animal; Heart Valve Prosthesis; Heart Valve Prosthesis Implantation / instrumentation; Materials Testing / methods; Minimally Invasive Surgical Procedures / methods; Mitral Valve Insufficiency / surgery; Models, Theoretical; Prosthesis Design; Robotics; Swine
topics (OpenAlex): Cardiac Valve Diseases and Treatments; Soft Robotics and Applications; Cardiac and Coronary Surgery Techniques
TL;DR: Experimental results suggest that the shape memory alloy reinforced band could be a viable alternative to flexible and semi-rigid bands in minimally invasive mitral valve repair. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

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