Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Radiol. Jun 28, 2012; 4(6): 273-277
Published online Jun 28, 2012. doi: 10.4329/wjr.v4.i6.273
Figure 1
Figure 1 Schematic drawings of a commercially available puncture needle and four newly devised vascular puncture needles (18 gauge). Top to bottom: re-cut needle, dimple needle, rough-surface needle (rough over the section of needle located 3-6 mm from the tip), and needle with four side holes.