| 摘要 |
A device for performing an anesthesia procedure on a patient comprising, sleeve means having an end portion for placement adjacent the patient's body, and hollow needle means received in the sleeve means for relative longitudinal movement thereof, with the needle means having a tip for penetrating the patient's body. The device has means for biasing the sleeve means and needle means relative each other for exposing the tip from the end portion and puncturing the patient's body. |
