Zur anästhesierung des plexus brachialis.

Kullenkampff performed the first percutaneous supraclavicular block. "Just as his older colleague August Bier (1861–1949) had done with spinal anesthesia in 1898,^[24] Kulenkampff subjected himself to the supraclavicular block" (Wikipedia article on Brachial plexus block, accessed 6-2020).