Introducer Needles of Peripheral Intravenous Catheters: Assessment of Magnetic Field Interactions with 1.5T and 3T MR Systems

Mio SAKAI; Shigeki AOKI; Yasushi WATANABE; Daisaku TANABE; Takashi TAGA; Yusuke INOUE; Kuni OHTOMO; Hironobu NAKAMURA

doi:10.2463/mrms.8.181

Technical Notes

Introducer Needles of Peripheral Intravenous Catheters: Assessment of Magnetic Field Interactions with 1.5T and 3T MR Systems

Mio SAKAI, Shigeki AOKI, Yasushi WATANABE, Daisaku TANABE, Takashi TAGA, Yusuke INOUE, Kuni OHTOMO, Hironobu NAKAMURA

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Keywords: intravenous catheter, introducer needle, magnetic resonance imaging, MR safety

JOURNAL OPEN ACCESS

2009 Volume 8 Issue 4 Pages 181-185

DOI https://doi.org/10.2463/mrms.8.181

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Abstract

We developed a peripheral intravenous catheter introducer that can be used safely in the magnetic resonance (MR) environment, including that at 3.0-tesla. We evaluated introducers with stainless steel (SUS 316L) and nickel-chromium-based (inconel 600) needles as well as a 20-gauge peripheral intravenous catheter introducer with SUS 304 needle for MR safety. From an MR safety standpoint, the SUS 304 should not be selected, and though inconel 600 is the preferred material, the SUS 316L introducer may be more practical with some modifications.

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