A simulation method for 3-dimension needle invasive medical treatments of cancer infected liver

Md Kemarol Zamani, Miyashita Tomoyuki, Hiroshi Yamakawa

研究成果: Paper査読

抄録

The medical insertion treatments on cancer infected liver seem to be very effective because of low invasion for patients. Planning for insertion procedure is difficult because the interaction between needle and soft tissue become complicated and the liver may deform largely under the influence of such gravity, cancer, position of needle and so on. It is of significant to grasp natural properties and deformations of liver during medical needle insertion. In this study, viscoelastic material properties are measured by experiments and constitutive equation is formulated based on the experimental results. Then a liver is modeled by finite elements made from the sliced MRI images. 3-Dimensional needle insertion procedures are simulated by quasi-static analysis assuming friction between the needle and soft tissue and conditions of tear-off elements. From the numerical results by the proposed simulation method, it is found that some navigation of the needle insertion is necessary to hit the cancer correctly.

本文言語English
ページ43-49
ページ数7
出版ステータスPublished - 2007 12 1
イベント5th IASTED International Conference on Biomedical Engineering, BioMED 2007 - Innsbruck, Austria
継続期間: 2007 2 142007 2 16

Conference

Conference5th IASTED International Conference on Biomedical Engineering, BioMED 2007
国/地域Austria
CityInnsbruck
Period07/2/1407/2/16

ASJC Scopus subject areas

  • 生体医工学

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