Tissue oblique cutting flow angle and needle insertion contact length

Jason Zachary Moore, Albert J. Shin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Scopus citations

Abstract

This research investigates the chip flow angle in tissue oblique cutting. In needle insertion, the chip flow angle determines the contact length of tissue on the needle tip surface and is critical for the force model and cutting efficiency in needle biopsy. Needle biopsy is a common medical procedure where tissue is cut and removed from the body using the sharp edge of the needle tip. Experiments are performed on bovine liver and phantom gel to determine the chip flow direction. The results show that the tissue flow direction differs from the Stabler's rule. Three mathematical models for contact length are derived to explain contact length under varying conditions.

Original languageEnglish (US)
Title of host publicationTransactions of the North American Manufacturing Research Institution of SME 2010, NAMRI/SME
Pages711-718
Number of pages8
StatePublished - Nov 16 2010
Event38th Annual North American Manufacturing Research Conference, NAMRC 38 - Kingston, ON, Canada
Duration: May 25 2010May 28 2010

Publication series

NameTransactions of the North American Manufacturing Research Institution of SME
Volume38
ISSN (Print)1047-3025

Other

Other38th Annual North American Manufacturing Research Conference, NAMRC 38
CountryCanada
CityKingston, ON
Period5/25/105/28/10

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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