| 摘要 |
<p>According to the invention, in order to permit the perforation of implantable vascular access means closed by a flexible elastomeric membrane using needles of large diameter, a device is provided which comprises telescopic needles (8, 9, 7) increasing in diameter and permitting progressive perforation with widening of the orifice formed in the septum, and at the end of the procedure leaving only the component (7) of greatest diameter lying through the septum. The aim of the invention is to extend the field of application of the implantable vascular access devices. <IMAGE></p> |
