CPC B29C 49/22 (2013.01) [A61L 29/18 (2013.01); A61M 25/10 (2013.01); A61M 25/1027 (2013.01); A61M 25/1029 (2013.01); B29C 49/0005 (2013.01); B29D 22/02 (2013.01); A61M 2025/1031 (2013.01); A61M 2025/1075 (2013.01); A61M 2025/1079 (2013.01); A61M 2025/1086 (2013.01); B29C 2049/222 (2013.01); B29L 2031/753 (2013.01); B29L 2031/7543 (2013.01); B32B 2535/00 (2013.01)] | 17 Claims |
1. A parison for being blow molded into a medical balloon for a catheter, the medical balloon when inflated having a working surface corresponding to a cylindrical barrel section of the medical balloon, comprising:
a first tubular layer having a functional modification that is visible to indicate a location of the working surface corresponding to the cylindrical barrel section of the medical balloon when inflated; and
a second tubular layer adapted for bonding with the first tubular layer to form the blow molded medical balloon;
wherein the first tubular layer is spaced from the second tubular layer.
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