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Brown: Atlas of Regional Anesthesia, 3rd ed.,
Copyright © 2006 Saunders, An Imprint of Elsevier
Frontal, oblique, and lateral views of regional block needles. A, Blunt-beveled, 25-gauge axillary block needle. B, Long-beveled, 25-gauge (“hypodermic”) block needle. C, Ultrasonography “imaging” needle. D, Short-beveled, 22-gauge regional block needle. (A–D From Brown DL. Regional Anesthesia and Analgesia. Philadelphia, W.B. Saunders, 1996. By permission of the Mayo Foundation.)