| 主权项 |
1. A catheter system, which comprises:
an elongate catheter defining a longitudinal axis and having a lumen extending at least partially therethrough, the catheter having a leading catheter end segment; a guidewire positionable within the lumen of the catheter, the guidewire and the catheter being adapted for relative movement; and a fastening structure supported adjacent the leading catheter end segment, the fastening structure dimensioned to selectively engage the guidewire to secure the guidewire with respect to the leading catheter end segment such that movement of the guidewire causes deflection of the leading catheter end segment with respect to the longitudinal axis. |
