US 11,980,408 B2
Transvascular methods of treating extravascular tissue
David R. Fischell, Fair Haven, NJ (US); Tim A. Fischell, Kalamazoo, MI (US); Robert Ryan Ragland, Temecula, CA (US); Darrin James Kent, Murrieta, CA (US); Andy Edward Denison, Temecula, CA (US); Eric Thomas Johnson, Temecula, CA (US); Jeff Alan Burke, Winchester, CA (US); and Christopher Scott Hayden, Winchester, CA (US)
Assigned to Ablative Solutions, Inc., Wakefield, MA (US)
Filed by Ablative Solutions, Inc., San Jose, CA (US)
Filed on Sep. 5, 2019, as Appl. No. 16/561,599.
Application 14/096,254 is a division of application No. 13/752,062, filed on Jan. 28, 2013, granted, now 8,740,849, issued on Jun. 3, 2014.
Application 16/561,599 is a continuation of application No. 15/154,640, filed on May 13, 2016, granted, now 10,405,912.
Application 15/154,640 is a continuation of application No. 14/932,128, filed on Nov. 4, 2015, granted, now 9,539,047, issued on Jan. 10, 2017.
Application 14/932,128 is a continuation of application No. 14/096,254, filed on Dec. 4, 2013, granted, now 9,179,962, issued on Nov. 10, 2015.
Claims priority of provisional application 61/719,906, filed on Oct. 29, 2012.
Prior Publication US 2020/0188007 A1, Jun. 18, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 18/04 (2006.01); A61B 18/00 (2006.01); A61B 18/14 (2006.01); A61B 90/00 (2016.01); A61M 25/00 (2006.01); A61M 25/01 (2006.01); A61M 25/04 (2006.01); A61M 25/10 (2013.01)
CPC A61B 18/04 (2013.01) [A61B 18/00 (2013.01); A61B 18/1477 (2013.01); A61B 90/37 (2016.02); A61B 90/39 (2016.02); A61M 25/0084 (2013.01); A61M 25/0108 (2013.01); A61M 25/04 (2013.01); A61B 2018/00166 (2013.01); A61B 2018/00285 (2013.01); A61B 2018/00351 (2013.01); A61B 2018/00404 (2013.01); A61B 2018/00434 (2013.01); A61B 2018/00547 (2013.01); A61B 2018/00577 (2013.01); A61B 2018/046 (2013.01); A61B 18/1492 (2013.01); A61B 2090/3735 (2016.02); A61B 2090/376 (2016.02); A61B 2090/3762 (2016.02); A61B 2090/378 (2016.02); A61B 2090/3782 (2016.02); A61B 2090/3966 (2016.02); A61M 2025/0087 (2013.01); A61M 25/1002 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method comprising:
advancing a distal portion of a catheter having at least three needle guide elements and at least three needles to an artery within a human body;
advancing the at least three needle guide elements to expand outwardly against a wall of the artery, wherein the at least three needle guide elements center the distal portion of the catheter relative to the artery in preparation for deployment of the least three needles;
advancing the at least three needles through the at least three needle guide elements into tissue after the at least three needle guide elements center the distal portion of the catheter, wherein the at least three needles are advanced at least 2 mm beyond the wall of the artery; and
injecting fluid into the tissue through the at least three needles.