| 摘要 |
One-way intravenous catheter assembly provided with a tubular needle guard slidable with respect to the needle housing, so as to completely cover the needle both before and after use, said needle housing comprising a substantially cylindrical central body with a flash chamber and a tapered front portion, to which the catheter needle is attached, and a peripheral finger gripping element, connected to the central body but extending around the tubular needle guard, the connection being provided by a connecting element which is slidable in a longitudinal slot of the tubular needle guard, the catheter assembly being further provided with a catheter tube or cannula mounted around the needle and provided with a hub for engagement with said tapered front portion of the needle housing.
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