摘要：

The portable appliance is of use for the subcutaneous or intradermal injection of a liquid formulation of an active principle and it comprises in combination: a supply vessel for the formulation; an injection needle adapted to communicate with the vessel; pump means for emptying the vessel through the injection needle; securing means for securing the appliance to an appropriate part of the patient's body; and needle- driving means for shooting the injection needle into the patient's skin.

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