US 12,082,936 B2
Uniform mapping balloon
Gregory K. Olson, Elk River, MN (US)
Assigned to St. Jude Medical, Cardiology Division, Inc., St. Paul, MN (US)
Appl. No. 17/256,997
Filed by St. Jude Medical, Cardiology Division, Inc., St. Paul, MN (US)
PCT Filed Sep. 26, 2019, PCT No. PCT/IB2019/058192
§ 371(c)(1), (2) Date Dec. 29, 2020,
PCT Pub. No. WO2020/065587, PCT Pub. Date Apr. 2, 2020.
Claims priority of provisional application 62/737,395, filed on Sep. 27, 2018.
Prior Publication US 2021/0361220 A1, Nov. 25, 2021
Int. Cl. A61B 5/00 (2006.01); A61B 5/287 (2021.01); A61B 5/339 (2021.01); A61B 5/367 (2021.01)
CPC A61B 5/367 (2021.01) [A61B 5/287 (2021.01); A61B 5/339 (2021.01); A61B 5/6853 (2013.01); A61B 2562/04 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A catheter comprising:
a catheter shaft configured for navigation within a body;
a mapping balloon coupled to the catheter shaft, the mapping balloon having an exterior surface including a plurality of predefined fold locations configured to allow the mapping balloon to be adjusted between a collapsed configuration and an expanded configuration, the exterior surface having a plurality of outer facing portions and a plurality of inner fold portions, wherein, in the collapsed configuration, edges of adjacent outer facing portions of the plurality of outer facing portions contact each other to form a first circular exterior surface of the mapping balloon, wherein, in the expanded configuration, the plurality of outer facing portions and the plurality of inner fold portions form a second circular exterior surface having a larger diameter than the first circular exterior surface; and
a plurality of electrodes located along the exterior surface to communicate electrical signals with an electronic control unit.