Clinical Research
Copyright ©2006 Baishideng Publishing Group Co.
World J Gastroenterol. Oct 21, 2006; 12(39): 6339-6342
Published online Oct 21, 2006. doi: 10.3748/wjg.v12.i39.6339
Figure 1
Figure 1 A: Top: Edge of new needle device; Middle: The plunger of the new needle device in the puncture position; Bottom: The plunger of the new needle device in the aspiration position, obtained by pulling back until a firm click is felt; B: Top: A 20-mm specimen notch of the Quick-Core biopsy needle; Middle: The plunger of the Quick-Core biopsy needle; Bottom: The Quick-Core biopsy needle is prepared by pulling back on the plunger until a firm click is felt, which indicates that the needle spring is locked in the ready position.