Zhaoら(2025)は希土類-金合金を用いた新型磁性摘出器(JIN magnetic foreign body extractor)を報告した2)。20〜27Gポートに対応し、254〜86.3ガウス秒(Gs)の磁力をフットペダルでオンオフ制御できる。鉄イオン放出による網膜色素上皮毒性を防ぐため早期摘出の意義も強調されている2)。
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