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Development of Blood Vessels01:07

Development of Blood Vessels

The development of the vascular system in a fetus is a complex and intricate process that begins as early as 15 to 16 days post-conception. This process starts outside the embryo, specifically in the mesoderm of the yolk sac, chorion, and connecting stalk. Approximately two days later, the formation of blood vessels occurs within the embryo itself.
The initial formation of this system is facilitated by the small amount of yolk present in the ovum and yolk sac. Blood vessels originate from...

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Scaling of Engineered Vascular Grafts Using 3D Printed Guides and the Ring Stacking Method
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Graft-artery junctions: design optimization and CAD development.

Yos S Morsi1, Amal Ahmed Owida, Hung Do

  • 1Biomechanics and Tissue Engineering Group, Faculty of Engineering and Industrial Sciences, Swinburne University of Technology, Melbourne, Australia. ymorsi@swin.edu.au

Methods in Molecular Biology (Clifton, N.J.)
|June 14, 2012
PubMed
Summary

This study details the engineering design and manufacturing of artificial vascular grafts for arterial bypass. It covers CAD design, hemodynamic analysis, and manufacturing optimization for cost-effective, functional synthetic vessels.

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Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Vascular Surgery

Background:

  • Designing vascular prostheses for arterial bypass grafts presents significant engineering challenges.
  • Selection of appropriate geometry, material properties, and cost-effective manufacturing techniques are critical.

Purpose of the Study:

  • To present and discuss engineering aspects of artificial graft design and optimization.
  • To explore CAD design, in vitro hemodynamic analysis, and manufacturing technique optimization.

Main Methods:

  • Computer-Aided Design (CAD) for graft geometry.
  • In vitro hemodynamic analysis for mechanical integrity and functionality assessment.
  • Optimization of manufacturing processes for synthetic vascular grafts.

Main Results:

  • Engineering design considerations for artificial grafts are comprehensively discussed.
  • Hemodynamic analysis ensures mechanical integrity and functionality.
  • Manufacturing techniques are optimized for cost-effectiveness.

Conclusions:

  • Successful design and manufacturing of vascular prostheses require integrated engineering approaches.
  • Further research into endothelization, vascularization, and synthetic vessel development is needed for human implementation.