| 摘要 |
A winged injection needle having a needle covering means used at treatments for infusion solution, blood transfusion and extracorporeal blood circulatio n, characterized by comprising a puncturing needle tube (206), a hub (208) for holding the base end of the needle tube, and a hollow needle housing member for permitting the hub to displace by sliding and to be housed in the entire ty in its lumen, and by being provided with an erroneous puncturing prevention means satisfying the following three conditions: (1) the injection needle ca n be easily and safely housed after use, (2) its construction is simple and ea sy to handle to permit easy production at low costs, and (3) it can be safely disposed of.
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