US 11,752,312 B2
Drug device electroporation angioplasty system
Douglas Phat Hatran, Milpitas, CA (US)
Assigned to Hydra Vascular LLC, Scottsdale, AZ (US)
Filed by Hydra Vascular LLC, Scottsdale, AZ (US)
Filed on Jan. 13, 2021, as Appl. No. 17/147,943.
Application 17/147,943 is a division of application No. 14/678,966, filed on Apr. 4, 2015, granted, now 10,918,840.
Claims priority of provisional application 61/989,372, filed on May 6, 2014.
Prior Publication US 2021/0154444 A1, May 27, 2021
Int. Cl. A61M 25/10 (2013.01); A61L 29/02 (2006.01); A61M 37/00 (2006.01); A61K 31/337 (2006.01); A61N 1/32 (2006.01); A61L 29/16 (2006.01); A61L 29/08 (2006.01); A61K 9/00 (2006.01)
CPC A61M 25/104 (2013.01) [A61K 9/0009 (2013.01); A61K 31/337 (2013.01); A61L 29/02 (2013.01); A61L 29/085 (2013.01); A61L 29/16 (2013.01); A61M 37/00 (2013.01); A61N 1/327 (2013.01); A61L 2300/416 (2013.01); A61L 2300/602 (2013.01); A61L 2300/606 (2013.01); A61L 2400/16 (2013.01); A61M 2025/105 (2013.01); A61M 2025/109 (2013.01); A61M 2025/1075 (2013.01); A61M 2037/0007 (2013.01); A61M 2205/0216 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of treating stenosis or preventing restenosis comprising:
inflating a balloon of a balloon catheter in a treatment zone;
wherein the balloon is encased within an elastic conducting alloy cage, wherein the elastic conducting alloy cage is bonded at both distal and proximal balloon ends with an electrical connection at a proximal taper to conductive elements along a body of the balloon catheter to a proximal connection to an electrical power source, and wherein a working length of the balloon is coated with a coating comprising a therapeutic bio-active agent and an excipient; and
applying an electric power source to the elastic conducting alloy cage while the balloon is inflated in the treatment zone.