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2011 Design of Medical Devices Conference Abstracts

Design of an Autoclavable Active Cannula Deployment Device OPEN ACCESS

[+] Author and Article Information
Trevor Bruns, John Tucker, D. Caleb Rucker, Philip Swaney, Jessica Burgner, Robert Webster

Vanderbilt University

Emad Boctor

Johns Hopkins University

E. Clif Burdette

Acoustic MedSystems

J. Med. Devices 5(2), 027538 (Jun 15, 2011) (1 page) doi:10.1115/1.3591392 History: Published June 15, 2011; Online June 15, 2011
FIGURES IN THIS ARTICLE

Concentric tube continuum devices, known as active cannulas, consist of multiple precurved elastic tubes that extend telescopically and rotate axially with respect to each other. Through these degrees of freedom, an active cannula presents a dexterous and versatile “tentaclelike” mechanism for accessing targets in minimally invasive surgery. Deploying an active cannula in a practical surgical setting requires a sterilizable device capable of specifying positions and trajectories for each degree of freedom. While robotic devices will likely enable this to be done most efficiently in the future, initial clinical feasibility studies are best undertaken with manual devices. In this paper, we present specifications, design, and development of a manual (that is, not motorized) active cannula deployment device.

Copyright © 2011 by American Society of Mechanical Engineers
Topics: Design
This article is only available in the PDF format.

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