Pressure-propelled system for body lumen

Surgery – Diagnostic testing – Flexible catheter guide

Reexamination Certificate

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Details

C600S104000, C600S116000

Reexamination Certificate

active

07833176

ABSTRACT:
A system including a guide member at least partially insertable into a proximal opening of a body lumen, the guide member including a first passageway connectable to a source of fluid pressure, an elongate carrier arranged for sliding movement through the guide member, and a piston head mounted on the carrier, wherein a greater fluid pressure acting on a proximal side of the piston head than on a distal side of the piston head propels the piston head and the carrier in a distal direction in the body lumen.

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