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Comparative Study
. 1996 Aug;200(2):576-8.
doi: 10.1148/radiology.200.2.8685361.

Aneurysm clip testing for ferromagnetic properties: clip variability issues

E Kanal  1 , F G Shellock, J S Lewin
Affiliations
Comparative Study

Aneurysm clip testing for ferromagnetic properties: clip variability issues

E Kanal et al. Radiology. 1996 Aug.

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.

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