| 摘要 |
<p>The invention relates to a catheter introducer comprising: a tube-like introducer sheath (10); an introducer hub (14) having a distal section (24) and a proximal section (26), wherein the distal section (24) is joined to the proximal end of the introducer sheath (10) and the proximal section (26) defines a chamber (38); a needle (16) extending through the introducer hub (14) and the introducer sheath (10) and having opposite proximal and distal ends, the distal end forming a needle tip (18); a needle hub (20) attached to the proximal end of the needle; a needle safety device (46) slidably arranged on the needle (16), wherein the needle safety device (46) is retained in the chamber (38) of the introducer hub (14) when the needle (16) extends through the introducer hub (14) and the introducer sheath (10), and removable from the introducer hub (14) once the needle tip (18) is received in the needle safety device (46) upon withdrawal of the needle (16) from the introducer sheath (10).</p> |
