Special Section Technical Briefs

A Bronchial Puncture Mechanism for Transoral Access to the Lung Parenchyma1

[+] Author and Article Information
Erik P. Lamers, Andria A. Remirez, Philip J. Swaney, Robert J. Webster,, III

Department of Mechanical Engineering,
Vanderbilt University,
Nashville, TN 37235

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), 030921 (Sep 01, 2015) (2 pages) Paper No: MED-15-1077; doi: 10.1115/1.4030606 History: Received March 03, 2015; Revised May 07, 2015; Online July 16, 2015

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Copyright © 2015 by ASME
Topics: Lung , needles
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Grahic Jump Location
Fig. 4

In the experimental validation, a series of curved concentric tubes are inserted into the bronchial tube (left), the mechanism is triggered, and the bronchial wall is punctured (right)

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Fig. 3

The experimental setup used to test the puncture mechanism. The stylet was passed through two curved concentric tubes and inserted into a porcine bronchial tube and the tip of the needle was placed against the bronchial wall before firing the puncture mechanism.

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Fig. 2

Side-view rendering of mechanism (top) and side-view of actual mechanism (bottom)

Grahic Jump Location
Fig. 1

Puncture mechanism mounted on a concentric tube steerable needle [2] actuation unit, with both steerable needle and puncture stylet fed into a bronchoscope tool port



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