	US 12,070,562 B2
	Helical balloon catheter
Robert C. Laduca, Santa Cruz, CA (US)
Assigned to QMAX, LLC, Santa Cruz, CA (US)
Filed by QMAX, LLC, Santa Cruz, CA (US)
Filed on May 3, 2022, as Appl. No. 17/661,886.
Application 17/661,886 is a continuation of application No. 16/364,591, filed on Mar. 26, 2019, granted, now 11,324,923.
Application 16/364,591 is a continuation of application No. 14/043,608, filed on Oct. 1, 2013, granted, now 10,286,184, issued on May 14, 2019.
Claims priority of provisional application 61/734,860, filed on Dec. 7, 2012.
Claims priority of provisional application 61/724,875, filed on Nov. 9, 2012.
Claims priority of provisional application 61/708,524, filed on Oct. 1, 2012.
Prior Publication US 2022/0257906 A1, Aug. 18, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 25/10 (2013.01); A61F 2/958 (2013.01); A61M 25/00 (2006.01); A61M 25/01 (2006.01)

CPC A61M 25/0155 (2013.01) [A61F 2/958 (2013.01); A61M 25/0074 (2013.01); A61M 25/0147 (2013.01); A61M 25/1002 (2013.01); A61F 2230/0091 (2013.01); A61M 2025/0024 (2013.01); A61M 25/0041 (2013.01); A61M 2025/0163 (2013.01); A61M 25/10185 (2013.11); A61M 2025/105 (2013.01); A61M 2025/1059 (2013.01); A61M 2025/1097 (2013.01); A61M 2210/12 (2013.01)]

12 Claims

1. A catheter comprising:

a deflectable section comprising an elastic material, a flexible support material, and an inflation lumen, where the deflectable section is deflectable from a first configuration to a second configuration, and where when a pressure within the inflation lumen increases, a length of the elastic material increases and a length of the flexible support material is constrained.