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A Deployable Transseptal Brace for Stabilizing Cardiac Catheters.

Leah P Gaffney1, Paul M Loschak1, Robert D Howe1

  • 1Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138

Journal of Mechanical Design (New York, N.Y. : 1990)
|August 8, 2018
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Summary

A novel bracing device enhances dexterity for minimally invasive cardiac procedures. This foldable brace stabilizes catheters during transseptal procedures, improving outcomes for valve repair.

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Area of Science:

  • Cardiovascular Surgery
  • Medical Device Engineering

Background:

  • Minimally invasive cardiac procedures require enhanced dexterity.
  • Current catheter-based interventions for cardiac valve disease face limitations in maneuverability.

Purpose of the Study:

  • To develop a bracing device for stabilizing cardiac catheters.
  • To improve surgical-level dexterity in minimally invasive cardiac valve disease procedures.

Main Methods:

  • A folding brace with a unique structure was designed.
  • The brace navigates vasculature flat and unfolds into a rigid configuration post-deployment.
  • The device ensures easy deployment and compliance through tortuous vasculature.

Main Results:

  • The device provides stabilization for cardiac catheters during transseptal procedures.
  • It offers improved dexterity for catheter-based mitral valve repair.
  • The brace is compliant for delivery via complex vascular pathways.

Conclusions:

  • The developed bracing device significantly enhances control and precision.
  • It enables complex surgical procedures using minimally invasive instruments.
  • This innovation holds potential for advancing transseptal interventions and cardiac valve repair.