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Brown: Atlas of Regional Anesthesia, 3rd ed.,
Copyright © 2006 Saunders, An Imprint of Elsevier
Frontal, oblique, and lateral views of common epidural needles. A, Crawford needle. B, Tuohy needle. The inset shows a winged hub assembly common to winged needles. C, Hustead needle. D, Curved, 18-gauge epidural needle. E, Whitacre, 27-gauge spinal needle. (A–E From Brown DL. Regional Anesthesia and Analgesia. Philadelphia, W.B. Saunders, 1996. By permission of the Mayo Foundation.)