Multiple wire guide introducer system

Details Multiple wire guide introducer system Multiple wire guide introducer system

2011-03-01

2011-03-01

Nguyen, Anhtuan T (Department: 3731)

Surgery

Instruments

Means for inserting or removing conduit within body

Reexamination Certificate

active

07896888

ABSTRACT:
An introducer system for introducing a plurality of wire guides into a vessel of a patient includes first and second wire guides, and a catheter. The first wire guide has a curved proximal end, and a distal end sufficiently flexible for passage through the vessel to a target site for the procedure. The catheter has proximal and distal open ends, and a lumen extending therebetween. At least the distal end of the catheter has sufficient flexibility for passage over the first wire guide to the target site, and has an inwardly curved portion between the proximal and distal open ends. The catheter further has a side port proximally positioned along the inwardly curved portion. The side port is sized and arranged such that the curve of the first wire guide proximal end is passable therethrough when the catheter is passed over the first wire guide. The second wire guide is sized for passage through the lumen when the first wire guide is positioned in the lumen. The second wire guide has a stiffness greater than the stiffness of the first wire guide.

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patent: 2003/0149444 (2003-08-01), Khaw
patent: 2006/0200168 (2006-09-01), Anwar et al.

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