| 摘要 |
The invention concerns a device for locoregional anesthesia, comprising an electrically stimulated puncture needle (3) provided with a fixed hub (4), a cannula (12) and a catheter (15), said cannula consisting of a tube (1) and a fixed hub (2) adapted to be mounted on the hub (4) of the needle and the catheter being adapted to slide inside the cannula. The invention is characterized in that the cannula has from end to end a longitudinal slot (6, 7) enabling the cannula to be laterally separated from the catheter through said slot. The invention is applicable to anesthesia of a limb or a specific part of the body.
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