Patent ID: 9730726
Date: 2017-08-15
CPC Classifications: A61B,A61M,Y10T

Claim:
1. A balloon assembly comprising: a compliant balloon having an inflated configuration and a first upper distension limit; and a film template integral with the compliant balloon and comprising a high-strength expanded polytetrafluoroethylene (ePTFE) and having an outer surface, the film template extending along at least a portion of a working length of the compliant balloon and along at least a portion of a shoulder of the compliant balloon, the film template having a fixed upper distension limit and being inelastic in a direction transverse to a longitudinal axis of the balloon assembly; wherein the film template includes at least one aperture, wherein the film template is attached to a catheter, wherein the compliant balloon outwardly extends about the at least one aperture relative to the outer surface of the film template in the inflated configuration, and wherein the first upper distension limit of the compliant balloon is greater than the fixed upper distension limit of the film template.