Patent ID: 11944373
Assignee: ABLATIVE SOLUTIONS, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 13:
14. A catheter for fluid delivery into tissue outside of the interior wall of a target vessel of a human body comprising:
a catheter body having a fluid injection lumen;
at least three needle guiding elements adapted to expand outwardly toward the interior wall of the target vessel;
at least three injector tubes, each injector tube having an injector tube lumen in fluid communication with the fluid injection lumen of the catheter body, each injector tube having a non-coring needle having a fluid egress port on the side of the non-coring needle, the at least three injector tubes adapted to be advanced outwardly, guided by the at least three needle guiding elements, wherein the at least three needle guiding elements define a trajectory for the at least three injector tubes having needles, wherein the non-coring needle comprising a distal ridge, a pair of concave sides, and a heel, wherein the heel comprises two or more radii of curvature, wherein each needle is formed to curve back with a distal needle tip linearly aligned with an outer surface of the respective injector tube; and
a penetration limiting mechanism.