Towards an Articulated Needle

Yi Zhong Wang; Qi Long Yin; Cheng Jie Liu; Yong Hua Chen

doi:10.4028/www.scientific.net/AMM.152-154.946

Paper Titles

Study on LCF Lifetime Prediction of Thermal Shock
p.924

A Prediction of the Optimal Blank Contour of an Inner Elliptic Flange from Flanging
p.931

Pressure Fluctuation of the Low Specific Speed Centrifugal Pump
p.935

Modeling of Thrusting Trajectory for Articulated Needle
p.940

Towards an Articulated Needle
p.946

Study on Magnetic Field for Navigation of Articulated Needle
p.952

Beam Element Considering the Warping Effect of Cross Section in Large Displacement Finite Element Analysis
p.958

To Analyze the Effects of Geometric Misalignment in a Cylindrical Pressure Vessel
p.964

Nonlinear Analysis of Large Deflection of Elastically-Bossed Sensor Plate under Initial Tension
p.970

HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 152-154Towards an Articulated Needle

Towards an Articulated Needle

Abstract:

Needle is a kind of basic medical instruments in minimally invasive surgery. A thin and long needle is inserted into a human body through the skin to perform diagnosis and treatment tasks. In order to improve the steerability of a needle, articulated needle is proposed in this paper. An articulated needle consists of a head with a bevel-tip, several articulations and several sections. Articulations are much easier to be bent, which allows proposed articulated needle to be more easily controlled to achieve a complex curved trajectory. The structure of the articulated needle is investigated for improving its bending performance. The influences of the angle of bevel-tip, the sectional dimension of sections, the number of articulations, the maximum bending angle of articulations, and the distribution of articulations on the bending performance of the needle are studied, which provide the basis for path planning and navigation of an articulated needle.

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Periodical:

Applied Mechanics and Materials (Volumes 152-154)

Pages:

946-951

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.152-154.946

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Online since:

January 2012

Authors:

Yi Zhong Wang, Qi Long Yin, Cheng Jie Liu, Yong Hua Chen

Keywords:

Articulated Needle, Navigation, Needle Structure, Trajectory

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