Patent ID: 7749234

Claim:
A stent delivery catheter comprising: an inner shaft, the inner shaft having a proximal portion and a distal portion and a center axis, an inflatable medical balloon positioned about the distal portion of the inner shaft, the medical balloon having an expanded state, a contracted state, a proximal end and a distal end, wherein the medical balloon can be expanded from its contracted state to its expanded state, and at least one mounting body secured to the inner shaft, inside the medical balloon and around the center axis, the mounting body having a length, a circumferential surface, wherein the circumferential surface is a surface of the mounting body that is outermost relative to the center axis and that faces radially away from the center axis and toward the medical balloon, and having at least one separation in the circumferential surface, wherein the at least one separation is exposed to a portion of the medical balloon which is located along a radial line which extends from the center axis and through the separation, the at least one separation being a circumferential separation, wherein the mounting body is formed of a material which resiliently deforms under radial pressure.