Aneurysm clip testing for ferromagnetic properties: Clip variability issues

Emanuel Kanal, Frank G. Shellock, Jonathan S. Lewin

Research output: Contribution to journalArticlepeer-review

Abstract

To assess ferromagnetic properties of intracranial aneurysm clips reported to be nonferromagnetic, 1,765 Yasargil, 11 Sugita, and 15 Perneczky aneurysm clips were studied for rotation or translation on plate glass in a 1.5-T MR imager. Sixty-three clips (52 Yasargil, 11 Perneczky) weakly reoriented along the static magnetic resonance (MR) field. These results confirm the need for standardized testing for ferromagnetic properties for implantable metallic devices.

Original languageEnglish (US)
Pages (from-to)576-578
Number of pages3
JournalRADIOLOGY
Volume200
Issue number2
DOIs
StatePublished - Aug 1996

Keywords

  • Aneurysm, cerebral
  • Head, MR
  • Magnetic resonance (MR), physics
  • Magnetic resonance (MR), safety
  • Radiology and radiologists, iatrogenic injury

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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