In-vivo sonothrombolysis with a forward-viewing ultrasound balloon catheter in a swine deep vein thrombosis (DVT) model

Huaiyu Wu, Bohua Zhang, Jinwook Kim, Gabe Owens, Greyson Stocker, Mengyue Chen, Ashley Cornett, Kathlyne Bautista, Paul A. Dayton, Zhen Xu, Xiaoning Jiang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Thrombosis has emerged as one of the foremost global causes of death. However, the currently available thrombolysis techniques, such as fibrinolytic agent administration and mechanical thrombectomy, are associated with prolonged treatment duration and an increased risk of hemorrhage. Here we present our development of a novel 9 Fr intravascular forward-viewing sonothrombolysis balloon catheter and initial in-vivo testing in a swine DVT model. The balloon was designed to expand during treatment, improving transducer alignment with the clot and enhancing catheter visualization under ultrasound guidance. The forward-viewing configuration enables thrombolysis of both partial and completely occluded clots, which created a flow channel of 2-2.5 mm diameter through all four completely occluded acute clots of ~2cm long in 30 minutes in-vivo.

Original languageEnglish
Title of host publicationIUS 2023 - IEEE International Ultrasonics Symposium, Proceedings
PublisherIEEE Computer Society
ISBN (Electronic)9798350346459
DOIs
StatePublished - 2023
Event2023 IEEE International Ultrasonics Symposium, IUS 2023 - Montreal, Canada
Duration: 3 Sep 20238 Sep 2023

Publication series

NameIEEE International Ultrasonics Symposium, IUS
ISSN (Print)1948-5719
ISSN (Electronic)1948-5727

Conference

Conference2023 IEEE International Ultrasonics Symposium, IUS 2023
Country/TerritoryCanada
CityMontreal
Period3/09/238/09/23

Keywords

  • In-vivo sonothrombolysis
  • Intravascular transducer

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