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International Journal of

Recent Trends in Engineering

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International Journal of Recent Trends in Engineering (IJRTE)

ISSN 1797-9617

Volume 1,† Number 5,† May 2009

Issue on Mechanical Engineering

Page(s): 122-124

Study and Development of a New Mechanism in an Endoscopic Surgical Instrument

†††††††††† Zheng (Jeremy) Li

Full text:† PDF

Abstract

This article provides a new surgical instrument with improved and enhanced mechanism to reliably apply the multiple titanium clips to patientsí tissue or vessel during surgical procedure. Compared with the existing surgical clip instrument, an improved clip delivery system has been designed and developed in this new instrument to resolve the common problems of clip accidental shooting out while the surgical clip is being loaded into jaws from clip channel. This can prevent patientís organs and tissues from being damaging due to clipís accidental shooting out in the surgical process. This improved instrument is analyzed and optimized by computer aided modeling and simulation to prove its feasible performance with good mechanical advantages.††††

Index Terms

of blood vessels and tissues, Computational modeling, Mechanical advantage, System optimization, Finite element analysis

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