High-resolution reconstruction of a waxed heart specimen with flat panel volume computed tomography and rapid prototyping

Gerald F. Greil, Axel Kuettner, Thomas Flohr, Michael Grasruck, Ludger Sieverding, Hans Peter Meinzer, Ivo Wolf

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

A waxed piglet heart was scanned with a flat panel volume computed tomography scanner (voxel size, 0.25 mm). Virtual and real laser-sintered models showed excellent visual concordance with the original. Using an iterative-closest-point algorithm, a very low mean surface distance was found between the original and laser-sintered model (0.26 ± 0.34 mm). These techniques allow submillimeter 3-dimensional virtual and real reconstructions without destroying the original and might be useful for teaching, research, and planning of cardiac interventions.

Original languageEnglish (US)
Pages (from-to)444-448
Number of pages5
JournalJournal of computer assisted tomography
Volume31
Issue number3
DOIs
StatePublished - May 1 2007

Keywords

  • 3D computed modeling
  • Cardiac imaging
  • Flat panel volume computed tomography scanner (FPVCT)
  • Iterative-closest-point algorithm (ICP)
  • Medical rapid prototyping

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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