US 12,168,108 B2
Balloon catheters for body lumens
Lixiao Wang, Henderson, NV (US); and Peter Barnett, Shakopee, MN (US)
Assigned to Urotronic, Inc., Plymouth, MN (US)
Filed by Urotronic, Inc., Plymouth, MN (US)
Filed on Oct. 12, 2023, as Appl. No. 18/379,505.
Application 18/379,505 is a continuation of application No. 18/097,698, filed on Jan. 17, 2023, granted, now 11,826,533.
Application 18/097,698 is a continuation of application No. 17/843,208, filed on Jun. 17, 2022, granted, now 11,826,532.
Application 17/843,208 is a continuation of application No. 17/108,517, filed on Dec. 1, 2020, granted, now 11,439,801.
Application 17/108,517 is a continuation of application No. 16/519,677, filed on Jul. 23, 2019, granted, now 10,898,700.
Application 16/519,677 is a continuation in part of application No. PCT/US2018/031083, filed on May 4, 2018.
Application 16/519,677 is a continuation in part of application No. 15/568,614, granted, now 10,888,640, previously published as PCT/US2016/028652, filed on Apr. 21, 2016.
Application 16/519,677 is a continuation in part of application No. 14/438,327, granted, now 10,668,188, previously published as PCT/US2013/064842, filed on Oct. 14, 2013.
Claims priority of provisional application 62/502,212, filed on May 5, 2017.
Claims priority of provisional application 62/152,559, filed on Apr. 24, 2015.
Claims priority of provisional application 61/795,790, filed on Oct. 26, 2012.
Prior Publication US 2024/0042183 A1, Feb. 8, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 29/02 (2006.01); A61L 29/16 (2006.01); A61M 25/10 (2013.01); A61K 31/337 (2006.01); A61L 29/08 (2006.01)
CPC A61M 29/02 (2013.01) [A61L 29/16 (2013.01); A61M 25/10 (2013.01); A61K 31/337 (2013.01); A61L 29/08 (2013.01); A61L 2300/41 (2013.01); A61L 2300/602 (2013.01); A61L 2300/606 (2013.01); A61L 2300/802 (2013.01); A61L 2420/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A balloon catheter comprising:
an elongated balloon; and
a coating layer overlying external surfaces of the balloon, the coating layer comprising at least one additive and an initial drug load of a therapeutic agent;
wherein the coating layer is hydrated.