Patent ID: 8137292

Claim:
A medical device comprising: an elongated core member having a proximal end and a distal end, and defining an outer surface; an elongated structure extending distally of the distal end of the elongated core member and including a first portion and a second expanded portion, wherein the first portion is distal the second expanded portion; a non-coiled attachment member disposed about a portion of the elongated core member and a part of the first portion of the elongated structure, the attachment member defining a lumen and having an inner surface; and an outer member comprising at least one of an outer coil member or a polymer member disposed about at least a portion of the elongated core member, the second portion of the elongated structure, and the attachment member; the device made by advancing part of the first portion of the elongated structure distally through a space between the inner surface of the attachment member and the outer surface of the elongated core member until a first part of the second expanded portion of the elongated structure moves into mechanical engagement with the inner surface of the attachment member and the outer surface of the elongated core member such that part of the first portion is disposed within the space, the first part of the second expanded portion is disposed within the space to provide a mechanical coupling of the elongated structure between the attachment member and the elongated core member, and a second part of the second expanded portion of the elongated structure cannot fit within the space; wherein the second part of the second expanded portion of the elongated structure is disposed proximal of the attachment member.