Guidewire tip construction

Details Guidewire tip construction Guidewire tip construction

1992-06-25

1994-11-22

Rosenbaum, C. Fred

Surgery

Truss

Pad

604164, 128657, A61M 5178

Patent

active

053659422

ABSTRACT:
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.

REFERENCES:
patent: 3452742 (1969-07-01), Muller
patent: 4832047 (1989-05-01), Sepetka et al.

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