Importance

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Abstract

A lumen re-entry system includes a catheter having an elongate tubular body defining a wire lumen extending from an open proximal end of the elongate tubular body to a distal opening through the elongate tubular body. An abrasion resistant tubular liner is positioned within the wire lumen and has a fixed position relative to the elongate tubular body. The abrasion resistant tubular liner defines a reduced wire lumen extending from an open proximal end of the abrasion resistant tubular liner to an open distal end of the abrasion resistant tubular liner. A puncture wire is configured for axial movement through the reduced wire lumen and has an angled distal segment terminating in a puncture tip. The angled distal segment is oriented at an angle between about 10 degrees to about 90 degrees relative to a central longitudinal axis of the puncture wire.

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First Claim