Technical Brief

Miniature Fluidic Actuators for Surgical Robotics1

[+] Author and Article Information
Abolfazl Pourghodrat, Carl A. Nelson

Department of Mechanical and Materials Engineering,
University of Nebraska–Lincoln,
Lincoln, NE 68508

Accepted and presented at the Design of Medical Devices Conference (DMD2014), Minneapolis, MN, April 7–10, 2014.

Manuscript received February 21, 2014; final manuscript received March 3, 2014; published online July 21, 2014. Editor: Arthur G. Erdman.

J. Med. Devices 8(3), 030920 (Jul 21, 2014) (2 pages) Paper No: MED-14-1071; doi: 10.1115/1.4027041 History: Received February 21, 2014; Revised March 03, 2014

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Copyright © 2014 by ASME
Topics: Actuators , Robotics , Surgery
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Fig. 1

Working principle of the linear actuator (left), exploded view (right)

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Fig. 2

First generation (left) and the second-generation (right) linear actuator

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Fig. 3

Limited-motion vane motor in two states

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Fig. 4

Iterations of the laparoscopic grasper

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Fig. 5

Displacement versus pressure




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