US 11,685,097 B2
Parison for forming blow molded medical balloon with modified portion, medical balloon, and related methods
Paul Fillmore, Gilbert, AZ (US); Allan Ronan, Enniscorthy (IE); Eoin Ryan, Clontarf (IE); and Andrew Schaffer, Tempe, AZ (US)
Assigned to CLEARSTREAM TECHNOLOGIES LIMITED, Enniscorthy (IE)
Filed by CLEARSTREAM TECHNOLOGIES LIMITED, Enniscorthy (IE)
Filed on Oct. 8, 2021, as Appl. No. 17/496,869.
Application 17/496,869 is a continuation of application No. 14/383,764, previously published as PCT/US2013/029974, filed on Mar. 8, 2013.
Claims priority of provisional application 61/608,908, filed on Mar. 9, 2012.
Claims priority of application No. 2008445 (NL), filed on Mar. 9, 2012.
Prior Publication US 2022/0023601 A1, Jan. 27, 2022
Int. Cl. B29C 49/22 (2006.01); A61M 25/10 (2013.01); B29D 22/02 (2006.01); B29C 49/00 (2006.01); A61L 29/18 (2006.01); B29L 31/00 (2006.01)
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
OG exemplary drawing
 
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.