Guiding member with deflectable tip

Details Guiding member with deflectable tip Guiding member with deflectable tip

A - Human Necessities

61

M

128/127.1

A61M 25/01 (2006.01) A61M 25/10 (2006.01) A61B 17/22 (2006.01)

Patent

CA 1309634

GUIDING MEMBER WITH DEFLECTABLE TIP ABSTRACT OF THE DISCLOSURE The invention is directed to a guiding member for vascular catheters, particularly dilatation catheters for angioplasty procedures having a deflectable tip. The guiding member generally includes an elongated core wire having a tapered distal portion, a coil encasing at least part of the tapered distal portion of a core wire. The coil has an expanded section, and a reference member disposed therein which is secured to the coil proximally and distally of the expanded coil section. The core wire is secured to the coil at a location distally of the expanded section but proximally to the distal tip of the coil. Relative axial movement between the core wire and the coil causes expansion or contraction of the expanded coil section which results in tip deflection.

600641

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