GUIDING CATHETER

摘要

The invention provides a catheter comprising: (a) an elongate proximal tube having a proximal end and a distal end; (b) a stem transition sleeve having a proximal end and a tapered distal end with its proximal end connected to the distal end of the elongate proximal tube; and (c) a stem sleeve with a complementary tapered proximal portion bonded to the distal end of the stem transition sleeve; wherein the material forming the stem transition sleeve is harder than the material forming the stem sleeve.