US 12,144,517 B2
Electrically enhanced retrieval of material from vessel lumens
Gaurav Girdhar, Anaheim Hills, CA (US); Hoai Nguyen, Westminster, CA (US); Andyanhdzung Huynh, Westminster, CA (US); Ashok Nageswaran, Irvine, CA (US); and Christopher Andrews, Lake Elsinore, CA (US)
Assigned to COVIDIEN LP, Mansfield, MA (US)
Filed by Covidien LP, Mansfield, MA (US)
Filed on Nov. 9, 2023, as Appl. No. 18/505,693.
Application 18/505,693 is a continuation of application No. 17/647,319, filed on Jan. 6, 2022, granted, now 11,832,836.
Application 17/647,319 is a continuation of application No. 17/249,135, filed on Feb. 22, 2021, granted, now 11,633,201, issued on Apr. 25, 2023.
Application 17/249,135 is a continuation of application No. 15/838,214, filed on Dec. 11, 2017, granted, now 11,058,444, issued on Jul. 13, 2021.
Prior Publication US 2024/0074772 A1, Mar. 7, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 17/22 (2006.01); A61B 17/221 (2006.01); A61B 18/00 (2006.01); A61F 2/95 (2013.01); A61F 2/966 (2013.01); A61B 17/00 (2006.01); A61B 90/00 (2016.01)
CPC A61B 17/22031 (2013.01) [A61B 17/221 (2013.01); A61B 18/00 (2013.01); A61F 2/95 (2013.01); A61B 2017/00017 (2013.01); A61B 2017/00154 (2013.01); A61B 2017/00867 (2013.01); A61B 2017/00929 (2013.01); A61B 2017/22034 (2013.01); A61B 2017/22042 (2013.01); A61B 2017/2215 (2013.01); A61B 2090/3966 (2016.02); A61F 2002/9511 (2013.01); A61F 2002/9528 (2013.01); A61F 2/966 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system for removing a thrombus, the system comprising:
a delivery electrode comprising an interventional element configured to be disposed proximate to or adjacent to a thrombus within a blood vessel, the interventional element comprising a self-expandable mesh, the delivery electrode configured to be electrically coupled to a first terminal of a current generator; and
a core assembly having a distal end portion coupled to the interventional element and configured to be electrically coupled to a second terminal of the current generator, the core assembly comprising:
an electrically conductive pushwire;
a conductive hypotube surrounding the pushwire along at least a portion of a length of the pushwire, the hypotube having a cut pattern along at least a portion of a length of the hypotube; and
an electrically insulative material disposed radially between the pushwire and the hypotube.