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Special Section Technical Briefs

A Pneumatically Actuated Knee Prosthesis1

[+] Author and Article Information
Molei Wu, Hao Zheng, Xiangrong Shen

Department of Mechanical Engineering,
The University of Alabama,
Tuscaloosa, AL 35487

Accepted and presented at The Design of Medical Devices Conference (DMD2015), April 13–16, 2015, Minneapolis, MN, USA.

Manuscript received March 3, 2015; final manuscript received May 7, 2015; published online July 16, 2015. Editor: Arthur Erdman.

J. Med. Devices 9(3), 030911 (Sep 01, 2015) (2 pages) Paper No: MED-15-1067; doi: 10.1115/1.4030607 History: Received March 03, 2015; Revised May 07, 2015; Online July 16, 2015

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References

Figures

Grahic Jump Location
Fig. 1

Solid model of the major components of the prosthesis

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Fig. 2

Actuation mechanism of the powered knee

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Fig. 3

The prosthesis prototype (left) and an amputee fitted with the prosthesis (right, with air tank removed)

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Fig. 4

Comparison of the required torque for locomotion versus the torque capacity of the powered joint

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