Patent ID: 9352135
Filing Date: 2016-05-31
CPC Classification: A61F,A61L,A61M,B29C,B29L,Y10T

Claim Text:
1. A method of making a balloon for a catheter comprising: providing a multilayer tube comprising a first layer of a first elastomeric polymeric material and a second layer of a second elastomeric polymeric material, the second elastomeric polymeric material having a lower maximum blow up ratio (BUR) than the first elastomeric polymeric material, and the multilayer tube having an inner diameter and an outer diameter, wherein the second layer is an outer layer relative to the first layer; and forming a multilayer balloon by blow-molding the multilayer tube such that the multilayer balloon is blown, in at least a first stage, to a final working radial dimension, wherein an area draw-down ratio (ADDR) of 2.0 for the multilayer balloon is targeted.