Development of a Probe for Detecting Magnetic Fluid in Lymph Nodes

Tetsu Ookubo, Yusuke Inoue, Dongmin Kim, Hiroyuki Ohsaki, Yusuke Mashiko, Moriaki Kusakabe, Masaki Sekino

Research output: Contribution to journalArticlepeer-review


Lymph nodes are selectively removed in order to diagnose cancer metastases. In this investigation, we developed a magnetic probe for intraoperatively detecting the accumulation of magnetic fluid. We built a magnetic probe consisting of a permanent magnet and a Hall effect sensor, and investigated its sensitivity. The results agreed well with the numerical results. In addition, a prototype probe detected 1.6 mL of magnetic fluid located 30 mm from the probe head.

Original languageEnglish
Pages (from-to)266-272
Number of pages7
JournalElectronics and Communications in Japan
Issue number3
Publication statusPublished - 2016 Mar 1
Externally publishedYes


  • cancer
  • lymph node
  • magnetic fluid
  • magnetic sensor

ASJC Scopus subject areas

  • Signal Processing
  • Physics and Astronomy(all)
  • Computer Networks and Communications
  • Electrical and Electronic Engineering
  • Applied Mathematics


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