US 11,752,303 B2
Catheter systems and packaged kits for dual layer guide tubes
David R. Fischell, Fair Haven, NJ (US); and Tim A. Fischell, Kalamazoo, MI (US)
Assigned to Ablative Solutions, Inc., Wakefield, MA (US)
Filed by Ablative Solutions, Inc., San Jose, CA (US)
Filed on Nov. 20, 2019, as Appl. No. 16/689,604.
Application 16/689,604 is a continuation of application No. 15/917,532, filed on Mar. 9, 2018, granted, now 10,485,951.
Application 15/917,532 is a continuation of application No. 13/643,065, granted, now 10,576,246, previously published as PCT/US2012/051906, filed on Aug. 22, 2012.
Application 13/643,065 is a continuation in part of application No. 13/294,439, filed on Nov. 11, 2011, abandoned.
Application 13/294,439 is a continuation in part of application No. 13/216,495, filed on Aug. 24, 2011, granted, now 9,278,196, issued on Mar. 8, 2016.
Application PCT/US2012/051906 is a continuation in part of application No. 13/216,495, filed on Aug. 24, 2011, granted, now 9,278,196, issued on Mar. 8, 2016.
Prior Publication US 2020/0197663 A1, Jun. 25, 2020
Int. Cl. A61M 25/00 (2006.01); A61M 25/06 (2006.01); A61M 25/01 (2006.01); A61B 5/00 (2006.01)
CPC A61M 25/0084 (2013.01) [A61M 25/0074 (2013.01); A61M 25/0108 (2013.01); A61M 25/0662 (2013.01); A61B 5/6848 (2013.01); A61M 25/0097 (2013.01); A61M 2025/0039 (2013.01); A61M 2025/0086 (2013.01); A61M 2025/0087 (2013.01); A61M 2025/0681 (2013.01); A61M 2202/0468 (2013.01); A61M 2210/12 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A packaged catheter for injection of fluid into tissue outside of an inner wall of a target vessel of a human patient, the packaged catheter including:
a catheter body having a central axis extending in a longitudinal direction,
at least three needle guiding elements adapted to advance outwardly toward the inner wall of the target vessel,
at least three needles, wherein each needle of the at least three needles is disposed within a respective needle guiding element of the at least three needle guiding elements, the at least three needles adapted to be advanced outwardly relative to the at least three needle guiding elements and guided by the at least three needle guiding elements, the at least three needles each having a distal opening for fluid delivery into the tissue outside of the inner wall of the target vessel,
the catheter being placed in a package with the at least three needle guiding elements deployed in a deployed configuration and each needle of the at least three needles is disposed within the respective needle guiding element of the at least three needle guiding elements, wherein the at least three needle guiding elements are configured to be retracted from the deployed configuration to a retracted configuration relative to the catheter body to be ready to use.