INTEGRATED STENT REPOSITIONING AND RETRIEVAL LOOP

摘要

A braided stent having an integral retrieval and/or repositioning loop includes a plurality of wires having first and second ends interbraided in a braided pattern to form a tubular stent having opposed atraumatic first and second open ends with each open end having a circumference; wherein said first and second wires ends are disposed at said second stent open end and said wires are looped at said second stent open end so that none of the first or second wires ends are exposed at the circumference of second stent open end; wherein at least of two of said wires are formed into a repositioning and/or retrieval loop having an elongated portion circumferentially disposed at said first opposed open end; and wherein said reposition and/or retrieval loop comprises two sections which run adjacent to each other prior to crossing to permit grabbing of both sections simultaneously by a practitioner.

主权项

1. A stent comprising:
a braided tubular body formed of a plurality of braided wires, the tubular body having a lumen extending therethrough from a first open end of the tubular body end to a second open end of the tubular body, the first open end including a plurality of closed loops formed from the plurality of interwoven wires and the second open end including a plurality of loops formed from the plurality of interwoven wires, the tubular body having a length measured from the first open end to the second open end and a circumference; a repositioning and/or retrieval loop extending beyond the first open end, the repositioning and/or retrieval loop configured to be grasped by a practitioner for removal of the stent from a body lumen; wherein the repositioning and/or retrieval loop includes a first section formed of a first wire and a second section formed of a second wire, the first section and the second section being juxtaposingly disposed with one another; wherein the first wire includes a circumferential portion substantially circumferentially disposed around the circumference at the first open end of the tubular body and first and second legs extending from the circumferential portion to an apex of the first section; and wherein the second wire includes first and second legs emerging from the braided tubular body, the first and second legs of the second wire extending from the first open end to an apex of the second section.