Occlusion catheter with frictional valve

Details Occlusion catheter with frictional valve Occlusion catheter with frictional valve

2007-12-04

2007-12-04

Nguyen, Anhtuan T. (Department: 3731)

Surgery

Instruments

Internal pressure applicator

C604S099020

Reexamination Certificate

active

10636830

ABSTRACT:
A system for treating a vascular condition, including a hollow guidewire having a central lumen and an inflation hole formed in a sidewall of the hollow guidewire, an occlusion balloon attached proximate to a distal end of the hollow guidewire, and a frictional valve. The frictional valve includes a portion of a core wire positioned within a proximal end of the hollow guidewire, a valve plug attached to the core wire, and at least one frictional plug attached to the core wire proximal to the valve plug. Flow of fluid through the central lumen of the hollow guidewire is controlled by axial translation of the core wire to position the valve plug with respect to the inflation hole, while the frictional plug provides a tailored valve compliance characteristic.

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