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<p>The development of an effective magnetic tool for extracting ferromagnetic foreign bodies (fragments) from human soft tissue is a&#xa0;pressing medical challenge—which is relevant to national security because of the frequent mine, blast, and shrapnel wounds suffered by fighters in the Special Military Operation and the world’s population. The concept of gentle probing for fragments and their extraction through wound channels under antiseptic conditions was applied to the development of the basic design of a&#xa0;probing elastically deformable magnetic extractor, incorporating blocks of ring-shaped high-coercivity permanent magnets (HCPM) made of N38 neodymium-iron-boron (Nd-Fe-B) alloy. The geometric relationships of the HCPM blocks in the magnetic extractor were optimized by finite element analysis of their magnetic fields using the ELCUT&#xa0;6.0 software package (professional version).</p>

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A magnetic extractor for extraction of ferromagnetic foreign bodies from soft tissues

  • 期刊论文

  • 发表日期：

    2026年2月2日

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  • E. G. Andreeva,
  • V. V. Pedder,
  • S. I. Shchukin,
  • A. S. Tatevosyan,
  • A. V. Pedder,
  • V. V. Morozov,
  • A. S. Borde,
  • Yu. V. Shkuro,
  • I. V. Surgutskova

摘要

The development of an effective magnetic tool for extracting ferromagnetic foreign bodies (fragments) from human soft tissue is a pressing medical challenge—which is relevant to national security because of the frequent mine, blast, and shrapnel wounds suffered by fighters in the Special Military Operation and the world’s population. The concept of gentle probing for fragments and their extraction through wound channels under antiseptic conditions was applied to the development of the basic design of a probing elastically deformable magnetic extractor, incorporating blocks of ring-shaped high-coercivity permanent magnets (HCPM) made of N38 neodymium-iron-boron (Nd-Fe-B) alloy. The geometric relationships of the HCPM blocks in the magnetic extractor were optimized by finite element analysis of their magnetic fields using the ELCUT 6.0 software package (professional version).