Figure 4
From: Photoacoustic needle improves needle tip visibility during deep peripheral nerve block
Dissected region in the cadaver. Paint injected during the deep nerve block at right- or left-side of a cadaver are green or pink, respectively. Pink stain at the left-side lumbar plexus block (B. Lt) and sciatic nerve block (C, Lt) are undetermined due to weak and blurred stain in connective tissue over the nerves. (A) Paravertebral block, (B) lumbar plexus block, (C) sciatic nerve block. Rt right-side of the cadaver, Lt left-side of the cadaver.
