Patent ID: 6925333

Claim:
A combination needle for peripheral nerve block, the needle comprising: a plastic cannula; an essentially cylindrical solid steel mandrel with a steel core and with a pricking tip which is free of a cutting edge, said steel mandrel being introducable into said cannula such that said pricking tip protrudes from the front end of the cannula or is at least flush with the front end of the cannula; a grip part with an electric plug contact for the connection of an electrostimulator, said steel mandrel having a two-pole design and having a two-pole electric plug contact; an insulator layer enclosing a surface of said steel core of said cylindrical solid steel mandrel in a closed manner; and a conductive jacket layer applied to said insulator layer, wherein one pole is formed by said steel core which is electrically conductive, and another pole comprises said conductive jacket layer.