Patent ID: 7491213

Claim:
A catheter comprising: an inflatable balloon having a proximal end, a distal end, and an inflation cavity therebetween; a catheter shaft having the inflatable balloon affixed proximate a distal end thereof, the catheter shaft having an inflation lumen fluidly connected to the balloon inflation cavity and a guidewire lumen extending through the balloon cavity within a tubular member which is affixed to the inflatable balloon proximate the distal end; and a reinforcing sleeve, having a proximal portion and a distal portion with a lumen extending therethrough, wherein the distal portion of the reinforcing sleeve extends into the inflation cavity with at least a portion of the tubular member slidably disposed through the lumen of the reinforcing sleeve and the proximal portion of the reinforcing sleeve is fixed relative to the catheter shaft and disposed in the catheter shaft inflation lumen.