NDLI: Modeling cutting force of laparoscopic scissors

Content Provider	IEEE Xplore Digital Library
Author	Yang, T. Xiong, L. Zhang, J. Yang, L. Huang, W. Zhou, J. Liu, J. Su, Y. Chui, C.K. Teo, C.L. Chang, S.
Copyright Year	2010
Description	Author affiliation: Department of Surgery, National University Hospital, Singapore (Chang, S.) \|\| Institute of High Performance Computing, Agency for Science, Technology and Research, Singapore (Su, Y.) \|\| Institute for Infocomm Research, Agency for Science, Technology and Research, Singapore (Yang, T.; Zhang, J.; Huang, W.; Zhou, J.; Liu, J.) \|\| Department of Mechanical Engineering, National University of Singapore, Singapore (Xiong, L.; Yang, L.; Chui, C.K.; Teo, C.L.)
Abstract	Modeling forces applied to cut biological material with laparoscopic scissors is important for haptic rendering in laparoscopic surgical simulation. The cutting process is characterized in deformation and fracture. An analytical model for cutting human iliac artery with laparoscopic scissors is derived with concepts of shearing deformation and fracture mechanics in this study. An experimental set-up was built to verify the analytical cutting force model. Three pieces of human iliac artery were cut with laparoscopic scissors. Force required to cut arterial wall and corresponding angular displacement of scissors' handle were collected to evaluate the parameters in the cutting force model. The cutting force model is able to fit the average normalized force-handle angle curve with coefficient of determination equals to 0.977. The starting point of fracture is modeled by energy based fracture mechanics method. The energy based method predicts the fracture point with only 3% deviation from the manual determination.
Starting Page	1764
Ending Page	1768
File Size	349545
Page Count	5
File Format	PDF
ISBN	9781424464951
e-ISBN	9781424464982
DOI	10.1109/BMEI.2010.5639880
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-10-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Laparoscopes Torque human iliac artery Blades Force Surgery surgical simulation Haptic interfaces fractrue toughness Arteries cutting force laparoscopic scissors
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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