Guidewire tip construction

Details Guidewire tip construction Guidewire tip construction

A - Human Necessities

61

M

A61M 25/01 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2056873

B0410/7139 AZB/dmc 12/01/90 2051b GUIDEWIRE TIP CONSTRUCTION ABSTRACT OF THE DISCLOSURE A guidewire for use in guiding a catheter has a tip construction that includes a core wire within a helical coil. The core wire has a distal tip segment that is tapered and is further impressed with a pair of opposed flattened surfaces extending along the taper, the surfaces lying at an angle to each other and defining a progressively flattened tip having increased width in a distal direction to define a duck-bill configuration. The tip construction provides improved column strength at the tip to resist guidewire prolapse while providing excellent torsional and flexibility characteristics.

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