| 摘要 |
<p>A catheter assembly comprising a double lumen catheter including an elongate outer flexible tube (12) and an elongate inner flexible tube (14) movably disposed in the outer flexible tube, each of the outer and inner flexible tubes having an open distal end, the inner and outer tubes being longitudinally displaceable relative to each other; a balloon element (16,160) fixedly attached at its respective ends to the open distal ends of the outer and inner tubes; and a connector ring (20,120) interconnecting the open distal end of the outer tube and the proximal end of the balloon element; characterised in that both the distal end of the outer tube and the proximal end of the balloon element are fitted over the connector ring, which is rigid, and firmly attached thereto by fastener means (22,28).</p> |
