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

Claim 9:
10. A catheter for fluid delivery into tissue outside of an interior wall of a target vessel of a human body comprising:
a catheter body having a fluid injection lumen;
at least two needle guiding elements adapted to expand outwardly toward the interior wall of the target vessel; and
at least two 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 formed with a non-coring needle having an opening for fluid delivery into the tissue outside of the interior wall of the target vessel, the at least two injector tubes adapted to be advanced outwardly, guided by the at least two needle guiding elements, wherein the at least two needle guiding elements define a trajectory for the at least two injector tubes formed with the non-coring needles, wherein the non-coring needle comprise a distal ridge, a pair of lateral curved sides having a first radius of curvature, and a heel having a second radius of curvature different than the first radius of curvature, wherein the pair of lateral curved sides form a concave shape, wherein the distal ridge is curved back to align with an axis aligned with a portion of the outer surface of the injector tube.