Technical Brief

A Computational Modeling Approach for Studying Tissue–Cutter Interaction in Breast Biopsy Procedure1

[+] Author and Article Information
Chi-Lun Lin

Department of Mechanical Engineering,
National Cheng Kung University,
Tainan City 701, Taiwan

Daniel Keefe

Department of Mechanical Engineering,
University of Minnesota,
Minneapolis, MN 55455

Arthur Erdman

Department of Computer Science and Engineering,
University of Minnesota,
Minneapolis, MN 55455

DOI: 10.1115/1.4033850Manuscript received March 1, 2016; final manuscript received March 17, 2016; published online August 1, 2016. Editor: William Durfee.

J. Med. Devices 10(3), 030926 (Aug 01, 2016) (2 pages) Paper No: MED-16-1127; doi: 10.1115/1.4033850 History: Received March 01, 2016; Revised March 17, 2016

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Grahic Jump Location
Fig. 3

The visualization of von Mises stress at the end of cutting process in different slice–push ratios. From left to right, R = [0.1, 1, 10]. When R is higher, the tissue fracture occurs more surrounding the tissue–cutter contact surface, which increases the volume of the tissue sample.

Grahic Jump Location
Fig. 2

Cutting forces in different slice–push ratios (using the base model). From left and right are high, medium, and low translational cutting speeds.

Grahic Jump Location
Fig. 1

The setup of VAB tissue cutting



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