초록 ▼

An apparatus and method is provided for stenting bifurcated vessels. A proximal angled stent is configured for implanting in a side-branch vessel wherein the proximal angled stent has an angulated portion that corresponds to the angle formed by the intersection of the side-branch vessel and the main

An apparatus and method is provided for stenting bifurcated vessels. A proximal angled stent is configured for implanting in a side-branch vessel wherein the proximal angled stent has an angulated portion that corresponds to the angle formed by the intersection of the side-branch vessel and the main vessel so that all portions of the side-branch vessel at the bifurcation are covered by the proximal angled stent. A main-vessel stent is provided for implanting in the main vessel, wherein the main-vessel stent has an aperture or stent cell that aligns with the opening to the side-branch vessel to permit unobstructed blood flow between the main vessel and the side-branch vessel. Side-branch and main-vessel catheter assemblies are advanced over a pair of guide wires for delivering, appropriately orienting, and implanting the proximal angled stent and the apertured stent.

대표청구항 ▼

[ What is claimed is:] [1.] A stent delivery assembly for treating bifurcated vessels having a side-branch vessel and a main vessel, comprising:a side-branch catheter having a proximal end and a distal end;an expandable member proximate the distal end of the catheter;a tracking guide wire lumen exte

[ What is claimed is:] [1.] A stent delivery assembly for treating bifurcated vessels having a side-branch vessel and a main vessel, comprising:a side-branch catheter having a proximal end and a distal end;an expandable member proximate the distal end of the catheter;a tracking guide wire lumen extending within at least a portion of the side-branch catheter;a tracking guide wire having a distal end and a proximal end and sized for slidable movement within the tracking guide wire lumen;a positioning guide wire lumen associated with the expandable member wherein at least a portion of the positioning guide wire lumen is external to the catheter;a positioning guide wire having a distal end and a proximal end and sized for slidable movement within the positioning guide wire lumen;the proximal ends of the tracking and position guide wires extend out of the patient and can be manipulated so that the distal end of the position guide wire is advanced in the main vessel distal to the side-branch vessel, and the distal end of the tracking guide wire is advanced into the side-branch vessel.