An Electroplated Magnetic NiFe Film Based Electromagnetic Targeting for Interlocking-Nail Broken-Bone Surgery

Mayank Kohli, Tzu Lin Chai, I. Lun Chen, Tze Hong Wong, Wensyang Hsu, Tien Kan Chung*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We report a novel interlocking nail onto which magnetic NiFe film is electroplated, for electromagnetic targeting system for screw-hole locating in interlocking-nail broken-bone surgery. The system consists of a C-shaped silicon steel core with emitting and pick-up coils, an intramedullary interlocking nail which the high-permeable magnetic NiFe is electroplated onto two locations of the nail, and measurement electronics. An AC voltage is applied to the emitting coil to generate an AC magnetic flux. Subsequently, by electromagnetic-induction, an AC voltage signal is induced in the pick-up coil. When the electroplated nail is moved axially or rotated in air-gap between the emitting and pick-up coils, the AC magnetic flux between them is affected, resulting in a change in the output voltage of the pick-up coil. This voltage change is further analyzed to determine the location and orientation of the screw holes. Based on this principle, we fabricated above parts and conducted targeting test (also an adhesion/scratching test). According to results, axial and angular targeting errors are 1 mm and 9.5°, respectively. Also, the electroplated film shows an acceptable against-scratching property.

Original languageEnglish
Title of host publication2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350338362
DOIs
StatePublished - 2023
Event2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Sendai, Japan
Duration: 15 May 202319 May 2023

Publication series

Name2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings

Conference

Conference2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023
Country/TerritoryJapan
CitySendai
Period15/05/2319/05/23

Keywords

  • broken-bone surgery
  • electromagnetic
  • electroplating
  • interlocking-nail
  • magnetic film
  • targeting

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