Temporary intraluminal filter guidewire and methods of use

Details Temporary intraluminal filter guidewire and methods of use Temporary intraluminal filter guidewire and methods of use

2008-05-13

2008-05-13

Truong, Kevin T. (Department: 3734)

Surgery

Instruments

Internal pressure applicator

Reexamination Certificate

active

07371249

ABSTRACT:
The present invention is a temporary intraluminal filter guidewire for use during interventional procedures, such as angioplasty or stent deployment. A braided filter is mounted near the distal end of a steerable guidewire, which guides a therapeutic catheter. An actuator rod slides over the guidewire and is removably connected to the filter. The rod controls relative displacement of the filter ends, causing transformation of the filter between a deployed configuration and a collapsed configuration. Wire having enhanced radiopacity is included in the filter to provide visualization under fluoroscopy.

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Hodgson, D.E. et al. “Augmented Properties of NiTi Wire by ‘Filling’ with Selected Metals” SMST-97: Proceedings of the Second International Conference on Shape Memory and Superelastic Technologies, pp. 461-465, 1997.

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