| 摘要 |
A needle for piercing the skin of a patient, comprising a protective sleeve (20) that is slidable on the needle (12) and adapted to be immobilised in a position in which it covers the tip of the needle, characterized in that the protective sleeve (20) has a tubular projection (22) that surrounds the needle (12) and is configured to pierce the skin of the patient together with the needle (12).
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