Technical Briefs

Advanced Needle Coatings for Improved Lumbar Drain Procedure

[+] Author and Article Information
Andrew Barnett, Jason Moore

Department of Mechanical and Nuclear Engineering,
The Pennsylvania State University

Nicholas Brandmeir

Hershey Medical Center,
Department of Neurosurgery

Doug Wolfe

Department of Materials Science and Engineering,
The Pennsylvania State University

Siyang Zheng

Department of Bioengineering,
The Pennsylvania State University

Manuscript received March 15, 2013; final manuscript received April 26, 2013; published online July 3, 2013. Assoc. Editor: Arthur G. Erdman.

J. Med. Devices 7(3), 030942 (Jul 03, 2013) (2 pages) Paper No: MED-13-1114; doi: 10.1115/1.4024485 History: Received March 15, 2013; Revised April 26, 2013

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Copyright © 2013 by ASME
Topics: Coatings , needles , Catheters
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Grahic Jump Location
Fig. 1

This figure illustrates the process of catheter insertion, where (a) the needle is inserted, (b) the catheter and guide wire are inserted, (c) the needle is removed, and (d) the guide wire is removed.

Grahic Jump Location
Fig. 2

Experimental setup showing (a) overview, and (b) pneumatic clamp

Grahic Jump Location
Fig. 3

Uncoated, parylene coated, and DLC coated Tuohy needles

Grahic Jump Location
Fig. 4

One trial for the uncoated needle is shown. The horizontal black line indicates the average value for 50–70% of each advancement.

Grahic Jump Location
Fig. 5

Insertion force results for each needle




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