| 摘要 |
<p>A needle catheter particularly for endovasal use, including a needle-guide or metallic mandrel (1) fitted with an end grip (2), and a catheter (4) with end casing (5). Between the end grip (2) of the metallic needle (1) and the casing (5) of the catheter (4), there is an extensible element (9), (9') acting as a cover for the metallic needle (1) after its extraction and with at least one means of blockage (10), (10'), (33) of interception and/or of needle (1) blockage being foreseen in the casing (5) of the catheter, movable from a position where it does not obstruct the lumen (11) of the catheter, to a position where it occludes the lumen.</p> |
