書誌事項
- タイトル別名
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- The Safety of MR Conditional Cochlear Implant at 1.5 Tesla Magnetic Resonance Imaging System
- 1.5T MR ソウチ ニ オケル ジョウケン ツキ MRI タイオウ ジンコウ ナイジ ノ アンゼンセイ ニ カンスル ケンショウ
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抄録
<p>In magnetic resonance imaging (MRI) examination of the patients with the cochlear implant, only limited data have a mention for safety information in the instruction manual supplied by the manufacturers. Therefore, imaging operators require more detailed safety information for implant device. We conducted detailed examination about displacement force, torque, and demagnetizing of the cochlear implant magnet based on American Society for Testing and Materials (ASTM) standard using the PULSAR and CONCERTO (MED-EL) with 1.5 tesla MRI system. As a result, the displacement force and the torque of the implant magnet were less than the numerical values descried in the manual. Therefore, these have almost no effect on the body under the condition described in a manual. In addition, the demagnetizing factor of the cochlear implant magnet occurred by a change magnetic field. The demagnetization depended on the direction of a line of magnetic force of the static magnetic field and the implant magnet. In conclusion, the operator must warn the position of the patients on inducing in the magnet room.</p>
収録刊行物
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- 日本放射線技術学会雑誌
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日本放射線技術学会雑誌 72 (8), 674-680, 2016
公益社団法人 日本放射線技術学会
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詳細情報 詳細情報について
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- CRID
- 1390001206361924352
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- NII論文ID
- 40020948756
- 130005405100
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- NII書誌ID
- AN00197784
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- ISSN
- 18814883
- 03694305
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- NDL書誌ID
- 027629353
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- PubMed
- 27546081
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可