Small diameter guidewires of multi-filar, cross-wound coils

Details Small diameter guidewires of multi-filar, cross-wound coils Small diameter guidewires of multi-filar, cross-wound coils

1991-01-18

1991-11-19

Rosenbaum, C. Fred

Surgery

Truss

Pad

128657, 604282, A61M 2500

Patent

active

050657690

ABSTRACT:
A medical guidewire having a distal tip portion for advancement through a body by application of force to a proximal end portion, comprising: an elongated multi-filar coil structural element, and disposed thereabout and along a substantial portion of the length of the structural element, a sheath formed of material that is non-corrosive within the body, the sheath being adapted to flex in unison with the structural element without kinking, the sheath and structural element in combination having a torque response along the joined length approaching 1:1, thereby allowing control of the distal tip at the guidewire within a body by application of rotational force to the proximal end portion outside the body.

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