Patent ID: 9309996
Filing Date: 2016-04-12
CPC Classification: A01G,B29C,B29L,B32B,F16L,Y10T

Claim Text:
1. A delivery tube, comprising: a substrate, a portion of the substrate being treated with a hydrophilic polymer; a backer coupled to the substrate, the delivery tube being configured such that the substrate and the backer are each disposed along a functional length of the delivery tube, a lumen of the delivery tube being formed between at least a portion of the substrate and at least a portion of the backer, wherein the substrate is connected to the backer at a first weld area and a second weld area, the first and second weld areas extending over the functional length of the delivery tube; and wherein the portion of the substrate being treated with the hydrophilic polymer excludes the first and second weld areas.