Guide wire

Surgery – Diagnostic testing – Flexible catheter guide

Reexamination Certificate

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Reexamination Certificate

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10825422

ABSTRACT:
A guide wire which includes: (a) a core wire formed with a mounting portion at the distal end portion; and (b) a plurality of coil wires being fitted onto the mounting portion substantially in tandem, and having different mechanical properties, the adjacent coil wires being connected with each other at the corresponding ends thereof. One of the corresponding ends of the adjacent coil wires is formed into a tapered portion gradually reducing in outer diameter toward said end. The other one of the corresponding ends is formed into a receiving end portion into which the tapered portion is inserted.

REFERENCES:
patent: 4538622 (1985-09-01), Samson et al.
patent: 4619274 (1986-10-01), Morrison
patent: 4934380 (1990-06-01), de Toledo
patent: 5103543 (1992-04-01), Hodgson
patent: 5234437 (1993-08-01), Sepetka
patent: 5551444 (1996-09-01), Finlayson
patent: 5640970 (1997-06-01), Arenas
patent: 5833631 (1998-11-01), Nguyen
patent: 5951496 (1999-09-01), Willi
patent: 6183420 (2001-02-01), Douk et al.
patent: 0 318 046 (1989-05-01), None
patent: 0 815 894 (1998-01-01), None
patent: 4-25024 (1992-04-01), None
patent: 6-327775 (1994-11-01), None
patent: 8-243169 (1996-09-01), None
patent: 2981976 (1999-09-01), None
patent: 98/18516 (1998-05-01), None

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