From: Development of a Coring Test for Non-Coring Huber Needles Date of download: 12/17/2017 Copyright © ASME. All rights reserved. From: Development of a Coring Test for Non-Coring Huber Needles J. Med. Devices. 2013;7(2):020930-020930-2. doi:10.1115/1.4024306 Figure Legend: 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).

From: Development of a Coring Test for Non-Coring Huber Needles Date of download: 12/17/2017 Copyright © ASME. All rights reserved. From: Development of a Coring Test for Non-Coring Huber Needles J. Med. Devices. 2013;7(2):020930-020930-2. doi:10.1115/1.4024306 Figure Legend: 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.

From: Development of a Coring Test for Non-Coring Huber Needles Date of download: 12/17/2017 Copyright © ASME. All rights reserved. From: Development of a Coring Test for Non-Coring Huber Needles J. Med. Devices. 2013;7(2):020930-020930-2. doi:10.1115/1.4024306 Figure Legend: Influence of perforation speed and septum hardness on core ratio