Technical Briefs

Development of a Coring Test for Non-Coring Huber Needles

[+] Author and Article Information
Jon P. Casamento

Center for Devices and Radiological Health,
U.S. Food and Drug Administration,
Silver Spring, MD 20993

Manuscript received March 15, 2013; final manuscript received April 24, 2013; published online June 12, 2013. Editor: Arthur G. Erdman.

J. Med. Devices 7(2), 020930 (Jun 12, 2013) (2 pages) Paper No: MED-13-1099; doi: 10.1115/1.4024306 History: Received March 15, 2013; Revised April 24, 2013

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Copyright © 2013 by ASME
Topics: needles , Testing
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Vesnovsky, O., Casamento, J. P., Brooks, M. E., Schwerin, M. R., Herman, W. A., Pollack, S. K., Flack, M. N., Collins, B. W., and Grossman, L. W., 2010, “Performance Testing of Huber Needles for Coring of Port Septa,” J. Med. Dev., 4, pp. 031008-1–031008-7. [CrossRef]


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Fig. 1

Experimental needle (a) and typically thick core (b–e). Images (b) and (c) show a core in the two orthogonal planes. Image (d) shows a core cut-through at its thickest portion. Cross-sectional dimensions of the core are shown in image (e).

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Fig. 2

Huber needle testing apparatus. The apparatus consists of a needle holder (1) with a needle (2) and septum clamps (3) with septum (4). Attachment to the load frame and microscope with digital camera are not shown.

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Fig. 3

Influence of perforation speed and septum hardness on core ratio



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