Patent ID: 7311704
Filing Date: 2007-12-25
Classification: A61B

Abstract:
1. A booted, spring-tip, flexible electrode catheter comprising an inner sheath having an inner sheath distal end and defining an inner sheath lumen, wherein said inner sheath distal end supports a mechanical interface; an intermediate sheath having an intermediate sheath distal portion and defining an intermediate sheath lumen; an outer sheath having an outer sheath distal end and defining an outer sheath lumen; a flexible electrode supported by said mechanical interface; a spring at said inner sheath distal end, wherein said spring has a distal portion, and wherein said spring enshrouds at least a portion of said flexible electrode; and a flexible boot having a flexible boot distal edge, wherein said flexible boot covers said distal portion of said spring, and wherein said flexible electrode extends from said flexible boot distal edge.