US 12,186,499 B2
Light guide protection structures for plasma system to disrupt vascular lesions
Daniel Frank Massimini, Brooklyn Park, MN (US); Daniel Lee Krautkremer, Plymouth, MN (US); Haiping Shao, Plymouth, MN (US); and Roger W. McGowan, Otsego, MN (US)
Assigned to Boston Scientific Scimed, Inc., Maple Grove, MN (US)
Filed by Boston Scientific Scimed, Inc., Maple Grove, MN (US)
Filed on Sep. 20, 2022, as Appl. No. 17/948,692.
Application 17/948,692 is a division of application No. 16/904,282, filed on Jun. 17, 2020, granted, now 11,517,713.
Claims priority of provisional application 62/867,034, filed on Jun. 26, 2019.
Claims priority of provisional application 62/867,026, filed on Jun. 26, 2019.
Claims priority of provisional application 62/866,981, filed on Jun. 26, 2019.
Claims priority of provisional application 62/867,009, filed on Jun. 26, 2019.
Prior Publication US 2023/0013920 A1, Jan. 19, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 18/20 (2006.01); A61B 17/22 (2006.01); A61B 18/24 (2006.01); A61B 18/26 (2006.01); A61L 27/20 (2006.01); A61M 25/00 (2006.01); A61M 25/01 (2006.01); A61M 25/09 (2006.01); A61B 18/00 (2006.01); A61B 18/22 (2006.01); A61B 90/30 (2016.01)
CPC A61M 25/0133 (2013.01) [A61B 17/22 (2013.01); A61B 18/245 (2013.01); A61B 18/26 (2013.01); A61L 27/20 (2013.01); A61M 25/0009 (2013.01); A61M 25/0155 (2013.01); A61M 25/09 (2013.01); A61B 2017/22062 (2013.01); A61B 2018/0022 (2013.01); A61B 2018/00285 (2013.01); A61B 2018/2261 (2013.01); A61B 2018/2266 (2013.01); A61B 2018/2277 (2013.01); A61B 2018/2294 (2013.01); A61B 2018/263 (2013.01); A61B 2090/306 (2016.02); A61L 2400/12 (2013.01); A61M 2025/09008 (2013.01); A61M 2025/09183 (2013.01); A61M 2202/0415 (2013.01); A61M 2205/3592 (2013.01); A61M 2205/587 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A catheter system for imparting pressure to induce fractures in a treatment site within or adjacent a vessel wall, comprising:
a catheter that is configured to be advanced to the treatment site, the catheter comprising an elongate shaft, a balloon coupled to the elongate shaft, and a first light guide disposed along the elongate shaft, the elongate shaft defining a first recess within the balloon, the balloon being configured to be filled with a balloon fluid, the first light guide being configured to be positioned at least partially within the balloon and the balloon fluid, the first light guide including a first portion that is configured to extend into the first recess; and
a first protection structure that contacts the first portion of the first light guide, the first protection structure being configured to provide structural protection to the first portion of the first light guide, the first protection structure including a potting material that at least partially fills the first recess, the potting material being optically matched to the first light guide.