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TECHNICAL PAPERS

Application of Type Synthesis Theory to the Redesign of a Complex Surgical Instrument

[+] Author and Article Information
Jonas J. B. Lim, Arthur G. Erdman

Department of Mechanical Engineering, 111 Church St S.E., University of Minnesota, Minneapolis, MN 55455

J Biomech Eng 124(3), 265-272 (May 21, 2002) (8 pages) doi:10.1115/1.1468635 History: Received March 24, 1999; Revised February 05, 2002; Online May 21, 2002
Copyright © 2002 by ASME
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References

Figures

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Handle assembly in its unassembled state
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Essential components in the handle assembly when actuation handle 26 is fully squeezed
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Kinematic diagram of handle assembly during actuation (mode one)
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Kinematic diagram of handle assembly during retraction (mode two)
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Extracted locking mechanism for handle assembly
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Cam joint and its LP equivalent kinematic diagram
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Sample kinematic chains with one compliant joint and an HP
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Concept of a locking mechanism
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Kinematic diagram of original input mechanism during actuation
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Kinematic diagram of original input mechanism during retraction
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Kinematic diagram during actuation
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Kinematic diagram during actuation
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Concept created using Fig. 13
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Kinematic diagram for the concept during retraction
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A concept for the handle assembly
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Manual lever for unlocking the rack
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Kinematic diagram for the new concept during actuation
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Kinematic diagram for new concept during retraction

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