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Biomedical Engineering Letters

, Volume 2, Issue 3, pp 173–178 | Cite as

Needle insertion force exerted on various breast tissues: Experimental study and finite element analysis

  • Han Yong Chun
  • Hyun Chul Jung
  • Min Tae Kim
  • Kwang Gi KimEmail author
  • Kyoung Lan KoEmail author
Original Article
  • 137 Downloads

Abstract

Purpose

In this study, we measured the needle insertion force exerted on various breast tissues including those of a breast phantom, cattle tissue, and human tissue, according to needle insertion speed, and compared it using finite element analysis.

Methods

As target breast tissues in our experiment a breast phantom for the medical experiment, breast tissue of slaughtered cattle, and surgically removed parts of breast cancer patients were used. A biopsy robot designed and manufactured by the biomedical engineering branch of the National Cancer Center in Korea was used for the measurement of needle insertion force.

Results

The experimental result proved that the needle insertion force decreased as needle insertion speed was increased regardless of the type of breast tissue used in our study. And the result of the finite element analysis showed that the stress increased as the depth increased.

Conclusions

Finite element analysis performed using commercial software ANSYS Workbench showed similar results to the experiment and proved that this technique can be applied not only to the breast but also to various fields of medical study.

Keywords

Mammography Needle localization Breast tissue Needle insertion force Finite element analysis 

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Copyright information

© Korean Society of Medical and Biological Engineering and Springer 2012

Authors and Affiliations

  1. 1.Biomedical Engineering BranchNational Cancer CenterGyeonggi-doKorea
  2. 2.Center for Breast CancerNational Cancer CenterGyeonggi-doKorea

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