Hollow coil guide wire apparatus for catheters

Details Hollow coil guide wire apparatus for catheters Hollow coil guide wire apparatus for catheters

A - Human Necessities

61

M

A61M 25/09 (2006.01) A61M 25/00 (2006.01) A61M 25/01 (2006.01)

Patent

CA 2192046

A catheter guide wire includes a strip of material formed into an elongate coil, with a central hollow having a plurality of windings. The windings include inhibiting features to inhibit relative rotation of adjacent windings. A central wire core is inserted through the hollow of the coil and welded to some of the windings to keep them from separating longitudinally. This construction allows for lateral flexibility of the guide wire, but with desired torsional stiffness.

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