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Related Experiment Videos

Development of a custom designed TAH using rapid prototyping

C Y Park1, J K Chang, D Y Jeong

  • 1Department of Biomedical Engineering, Seoul National University, Korea.

ASAIO Journal (American Society for Artificial Internal Organs : 1992)
|November 14, 1997
PubMed
Summary
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Custom design and rapid prototyping improved totally implantable artificial heart (TAH) conduit fit. This approach overcomes anatomic mismatches, enhancing TAH compatibility for better patient outcomes.

Area of Science:

  • Biomedical Engineering
  • Cardiovascular Surgery
  • Medical Device Design

Background:

  • Totally implantable artificial hearts (TAH) often fail due to anatomical mismatches in conduit connections.
  • Conventional TAH systems lack patient-specific anatomical compatibility, leading to implantation complications.

Purpose of the Study:

  • To develop a custom design and fabrication process for a TAH using rapid prototyping (RP) to address anatomical incompatibilities.
  • To improve the fit and function of TAH conduits through patient-specific design modifications.

Main Methods:

  • Utilized 3D reconstruction of patient MRI scans for thoracic cavity and vascular remnant analysis.
  • Employed 3D computer-aided design (CAD) for precise anatomical fit assessment and conduit direction modification.

Related Experiment Videos

  • Fabricated RP models of the custom-designed TAH chamber for pre-implantation compatibility evaluation.

    • Main Results:

    • Successfully identified and corrected minute directional mismatches in inflow and outflow conduits.
    • Demonstrated improved anatomical compatibility of the custom-designed TAH through RP modeling.
    • Developed a novel, patient-specific Korean TAH incorporating CAD and RP techniques.

    Conclusions:

    • Customized TAH design using CAD and RP significantly enhances anatomical compatibility.
    • This innovative approach overcomes limitations of conventional TAH systems, paving the way for improved artificial heart implantation.
    • The developed custom TAH shows promise for reducing complications associated with anatomical mismatches.